Port texture allocation code from R200.red_tinted_cube

Hook it up, so lesson06 displays red colored textures.

11 files changed, 3393 insertions, 13 deletions

diff --git a/src/mesa/drivers/dri/r300/Makefile b/src/mesa/drivers/dri/r300/Makefile
index ef25526425..cfe81760f2 100644
--- a/src/mesa/drivers/dri/r300/Makefile
+++ b/src/mesa/drivers/dri/r300/Makefile
@@ -33,6 +33,9 @@ DRIVER_SOURCES = \
 		 r300_state.c \
 		 r300_render.c \
 		 r300_lib.c \
+		 r300_texmem.c \
+		 r300_tex.c \
+		 r300_texstate.c \
 		 \
 		 r200_context.c \
 		 r200_ioctl.c \
@@ -52,6 +55,7 @@ DRIVER_SOURCES = \
 		 r200_vtxfmt_sse.c \
 		 r200_vtxfmt_x86.c
 
+
 C_SOURCES = $(COMMON_SOURCES) $(DRIVER_SOURCES)
 
 X86_SOURCES = r200_vtxtmp_x86.S
diff --git a/src/mesa/drivers/dri/r300/r300_cmdbuf.c b/src/mesa/drivers/dri/r300/r300_cmdbuf.c
index 82ad315273..e2bb2709af 100644
--- a/src/mesa/drivers/dri/r300/r300_cmdbuf.c
+++ b/src/mesa/drivers/dri/r300/r300_cmdbuf.c
@@ -46,6 +46,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include "radeon_ioctl.h"
 #include "r300_context.h"
 #include "r300_ioctl.h"
+#include "radeon_reg.h"
 #include "r300_reg.h"
 #include "r300_cmdbuf.h"
 
@@ -545,3 +546,65 @@ void r300DestroyCmdBuf(r300ContextPtr r300)
 	}
 }
 
+void r300EmitBlit(r300ContextPtr rmesa,
+		  GLuint color_fmt,
+		  GLuint src_pitch,
+		  GLuint src_offset,
+		  GLuint dst_pitch,
+		  GLuint dst_offset,
+		  GLint srcx, GLint srcy,
+		  GLint dstx, GLint dsty, GLuint w, GLuint h)
+{
+	drm_radeon_cmd_header_t *cmd;
+
+	if (RADEON_DEBUG & DEBUG_IOCTL)
+		fprintf(stderr,
+			"%s src %x/%x %d,%d dst: %x/%x %d,%d sz: %dx%d\n",
+			__FUNCTION__, src_pitch, src_offset, srcx, srcy,
+			dst_pitch, dst_offset, dstx, dsty, w, h);
+
+	assert((src_pitch & 63) == 0);
+	assert((dst_pitch & 63) == 0);
+	assert((src_offset & 1023) == 0);
+	assert((dst_offset & 1023) == 0);
+	assert(w < (1 << 16));
+	assert(h < (1 << 16));
+
+	cmd =
+	    (drm_radeon_cmd_header_t *) r200AllocCmdBuf(rmesa, 8 * sizeof(int),
+							__FUNCTION__);
+
+	cmd[0].header.cmd_type = RADEON_CMD_PACKET3;
+	cmd[1].i = R200_CP_CMD_BITBLT_MULTI | (5 << 16);
+	cmd[2].i = (RADEON_GMC_SRC_PITCH_OFFSET_CNTL |
+		    RADEON_GMC_DST_PITCH_OFFSET_CNTL |
+		    RADEON_GMC_BRUSH_NONE |
+		    (color_fmt << 8) |
+		    RADEON_GMC_SRC_DATATYPE_COLOR |
+		    RADEON_ROP3_S |
+		    RADEON_DP_SRC_SOURCE_MEMORY |
+		    RADEON_GMC_CLR_CMP_CNTL_DIS | RADEON_GMC_WR_MSK_DIS);
+
+	cmd[3].i = ((src_pitch / 64) << 22) | (src_offset >> 10);
+	cmd[4].i = ((dst_pitch / 64) << 22) | (dst_offset >> 10);
+	cmd[5].i = (srcx << 16) | srcy;
+	cmd[6].i = (dstx << 16) | dsty;	/* dst */
+	cmd[7].i = (w << 16) | h;
+}
+
+void r300EmitWait(r300ContextPtr rmesa, GLuint flags)
+{
+	if (rmesa->radeon.dri.drmMinor >= 6) {
+		drm_radeon_cmd_header_t *cmd;
+
+		assert(!(flags & ~(RADEON_WAIT_2D | RADEON_WAIT_3D)));
+
+		cmd =
+		    (drm_radeon_cmd_header_t *) r200AllocCmdBuf(rmesa,
+								1 * sizeof(int),
+								__FUNCTION__);
+		cmd[0].i = 0;
+		cmd[0].wait.cmd_type = RADEON_CMD_WAIT;
+		cmd[0].wait.flags = flags;
+	}
+}
diff --git a/src/mesa/drivers/dri/r300/r300_context.c b/src/mesa/drivers/dri/r300/r300_context.c
index 9831dc60a4..88a67ce57c 100644
--- a/src/mesa/drivers/dri/r300/r300_context.c
+++ b/src/mesa/drivers/dri/r300/r300_context.c
@@ -57,6 +57,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #include "r300_cmdbuf.h"
 #include "r300_state.h"
 #include "r300_ioctl.h"
+#include "r300_tex.h"
 
 #include "vblank.h"
 #include "utils.h"
@@ -147,7 +148,7 @@ GLboolean r300CreateContext(const __GLcontextModes * glVisual,
 	struct dd_function_table functions;
 	r300ContextPtr r300;
 	GLcontext *ctx;
-	int tcl_mode;
+	int tcl_mode, i;
 
 	assert(glVisual);
 	assert(driContextPriv);
@@ -171,7 +172,7 @@ GLboolean r300CreateContext(const __GLcontextModes * glVisual,
 	_mesa_init_driver_functions(&functions);
 	r300InitIoctlFuncs(&functions);
 	r300InitStateFuncs(&functions);
-	//r200InitTextureFuncs(&functions);
+	r300InitTextureFuncs(&functions);
 
 	if (!radeonInitContext(&r300->radeon, &functions,
 			       glVisual, driContextPriv, sharedContextPrivate)) {
@@ -180,6 +181,35 @@ GLboolean r300CreateContext(const __GLcontextModes * glVisual,
 	}
 
 	/* Init r300 context data */
+	r300->dma.buf0_address = r300->radeon.radeonScreen->buffers->list[0].address;
+
+	(void)memset(r300->texture_heaps, 0, sizeof(r300->texture_heaps));
+	make_empty_list(&r300->swapped);
+
+	r300->nr_heaps = 1 /* screen->numTexHeaps */ ;
+	assert(r300->nr_heaps < R200_NR_TEX_HEAPS);
+	for (i = 0; i < r300->nr_heaps; i++) {
+		r300->texture_heaps[i] = driCreateTextureHeap(i, r300,
+							       screen->
+							       texSize[i], 12,
+							       RADEON_NR_TEX_REGIONS,
+							       (drmTextureRegionPtr)
+							       r300->radeon.sarea->
+							       tex_list[i],
+							       &r300->radeon.sarea->
+							       tex_age[i],
+							       &r300->swapped,
+							       sizeof
+							       (r300TexObj),
+							       (destroy_texture_object_t
+								*)
+							       r300DestroyTexObj);
+	}
+	r300->texture_depth = driQueryOptioni(&r300->radeon.optionCache,
+					       "texture_depth");
+	if (r300->texture_depth == DRI_CONF_TEXTURE_DEPTH_FB)
+		r300->texture_depth = (screen->cpp == 4) ?
+		    DRI_CONF_TEXTURE_DEPTH_32 : DRI_CONF_TEXTURE_DEPTH_16;
 
 	/* Set the maximum texture size small enough that we can guarentee that
 	 * all texture units can bind a maximal texture and have them both in
@@ -239,8 +269,8 @@ GLboolean r300CreateContext(const __GLcontextModes * glVisual,
 #if 0
 	/* plug in a few more device driver functions */
 	/* XXX these should really go right after _mesa_init_driver_functions() */
-	r200InitPixelFuncs(ctx);
-	r200InitSwtcl(ctx);
+	r300InitPixelFuncs(ctx);
+	r300InitSwtcl(ctx);
 #endif
 	TNL_CONTEXT(ctx)->Driver.RunPipeline = _tnl_run_pipeline;
 
diff --git a/src/mesa/drivers/dri/r300/r300_context.h b/src/mesa/drivers/dri/r300/r300_context.h
index b5d821225a..54826ea801 100644
--- a/src/mesa/drivers/dri/r300/r300_context.h
+++ b/src/mesa/drivers/dri/r300/r300_context.h
@@ -66,6 +66,44 @@ static __inline__ uint32_t r300PackFloat32(float fl)
 	return u.u;
 }
 
+
+/************ DMA BUFFERS **************/
+
+/* Need refcounting on dma buffers:
+ */
+struct r300_dma_buffer {
+	int refcount;		/* the number of retained regions in buf */
+	drmBufPtr buf;
+};
+
+#define GET_START(rvb) (rmesa->radeon.radeonScreen->gart_buffer_offset +		\
+			(rvb)->address - rmesa->dma.buf0_address +	\
+			(rvb)->start)
+
+/* A retained region, eg vertices for indexed vertices.
+ */
+struct r300_dma_region {
+	struct r300_dma_buffer *buf;
+	char *address;		/* == buf->address */
+	int start, end, ptr;	/* offsets from start of buf */
+	int aos_start;
+	int aos_stride;
+	int aos_size;
+};
+
+struct r300_dma {
+	/* Active dma region.  Allocations for vertices and retained
+	 * regions come from here.  Also used for emitting random vertices,
+	 * these may be flushed by calling flush_current();
+	 */
+	struct r300_dma_region current;
+
+	void (*flush) (r300ContextPtr);
+
+	char *buf0_address;	/* start of buf[0], for index calcs */
+	GLuint nr_released_bufs;	/* flush after so many buffers released */
+};
+
        /* Texture related */
 
 #define TEX_0   0x1
@@ -74,8 +112,8 @@ static __inline__ uint32_t r300PackFloat32(float fl)
 #define TEX_3	0x8
 #define TEX_4	0x10
 #define TEX_5	0x20
-#define TEX_6	0x20
-#define TEX_7	0x20
+#define TEX_6	0x40
+#define TEX_7	0x80
 #define TEX_ALL 0xff
 
 typedef struct r300_tex_obj r300TexObj, *r300TexObjPtr;
@@ -114,6 +152,17 @@ struct r300_tex_obj {
 	GLboolean border_fallback;
 };
 
+struct r300_texture_env_state {
+	r300TexObjPtr texobj;
+	GLenum format;
+	GLenum envMode;
+};
+
+#define R300_MAX_TEXTURE_UNITS 6
+
+struct r300_texture_state {
+	struct r300_texture_env_state unit[R300_MAX_TEXTURE_UNITS];
+};
 
 /**
  * A block of hardware state.
@@ -402,6 +451,7 @@ struct r300_depthbuffer_state {
 
 struct r300_state {
 	struct r300_depthbuffer_state depth;
+	struct r300_texture_state texture;
 };
 
 
@@ -419,6 +469,38 @@ struct r300_context {
 	int elt_count;  /* size of the buffer for vertices */
 	int attrib_count; /* size of the buffer for vertex attributes.. Somehow it can be different ? */
 	
+
+	/* Vertex buffers
+	 */
+	#if 0 /* we'll need it later, but not now */
+	struct r300_ioctl ioctl;
+	#endif
+	struct r300_dma dma;
+	GLboolean save_on_next_unlock;
+
+	/* Texture object bookkeeping
+	 */
+	unsigned nr_heaps;
+	driTexHeap *texture_heaps[R200_NR_TEX_HEAPS];
+	driTextureObject swapped;
+	int texture_depth;
+	float initialMaxAnisotropy;
+
+	/* Clientdata textures;
+	 */
+	GLuint prefer_gart_client_texturing;
+
+	/* TCL stuff
+	 */
+	GLmatrix TexGenMatrix[R300_MAX_TEXTURE_UNITS];
+	GLboolean recheck_texgen[R300_MAX_TEXTURE_UNITS];
+	GLboolean TexGenNeedNormals[R300_MAX_TEXTURE_UNITS];
+	GLuint TexMatEnabled;
+	GLuint TexMatCompSel;
+	GLuint TexGenEnabled;
+	GLuint TexGenInputs;
+	GLuint TexGenCompSel;
+	GLmatrix tmpmat;
 };
 
 #define R300_CONTEXT(ctx)		((r300ContextPtr)(ctx->DriverCtx))
diff --git a/src/mesa/drivers/dri/r300/r300_ioctl.c b/src/mesa/drivers/dri/r300/r300_ioctl.c
index 63a7d540e4..ffadaff38f 100644
--- a/src/mesa/drivers/dri/r300/r300_ioctl.c
+++ b/src/mesa/drivers/dri/r300/r300_ioctl.c
@@ -282,6 +282,195 @@ void r300Flush(GLcontext * ctx)
 		r300FlushCmdBuf(r300, __FUNCTION__);
 }
 
+void r300RefillCurrentDmaRegion(r300ContextPtr rmesa)
+{
+	struct r200_dma_buffer *dmabuf;
+	int fd = rmesa->radeon.dri.fd;
+	int index = 0;
+	int size = 0;
+	drmDMAReq dma;
+	int ret;
+
+	if (RADEON_DEBUG & (DEBUG_IOCTL | DEBUG_DMA))
+		fprintf(stderr, "%s\n", __FUNCTION__);
+
+	if (rmesa->dma.flush) {
+		rmesa->dma.flush(rmesa);
+	}
+
+	if (rmesa->dma.current.buf)
+		r300ReleaseDmaRegion(rmesa, &rmesa->dma.current, __FUNCTION__);
+
+	if (rmesa->dma.nr_released_bufs > 4)
+		r300FlushCmdBuf(rmesa, __FUNCTION__);
+
+	dma.context = rmesa->radeon.dri.hwContext;
+	dma.send_count = 0;
+	dma.send_list = NULL;
+	dma.send_sizes = NULL;
+	dma.flags = 0;
+	dma.request_count = 1;
+	dma.request_size = RADEON_BUFFER_SIZE;
+	dma.request_list = &index;
+	dma.request_sizes = &size;
+	dma.granted_count = 0;
+
+	LOCK_HARDWARE(&rmesa->radeon);	/* no need to validate */
+
+	while (1) {
+		ret = drmDMA(fd, &dma);
+		if (ret == 0)
+			break;
+
+		if (rmesa->dma.nr_released_bufs) {
+			r200FlushCmdBufLocked(rmesa, __FUNCTION__);
+		}
+
+		if (rmesa->radeon.do_usleeps) {
+			UNLOCK_HARDWARE(&rmesa->radeon);
+			DO_USLEEP(1);
+			LOCK_HARDWARE(&rmesa->radeon);
+		}
+	}
+
+	UNLOCK_HARDWARE(&rmesa->radeon);
+
+	if (RADEON_DEBUG & DEBUG_DMA)
+		fprintf(stderr, "Allocated buffer %d\n", index);
+
+	dmabuf = CALLOC_STRUCT(r300_dma_buffer);
+	dmabuf->buf = &rmesa->radeon.radeonScreen->buffers->list[index];
+	dmabuf->refcount = 1;
+
+	rmesa->dma.current.buf = dmabuf;
+	rmesa->dma.current.address = dmabuf->buf->address;
+	rmesa->dma.current.end = dmabuf->buf->total;
+	rmesa->dma.current.start = 0;
+	rmesa->dma.current.ptr = 0;
+}
+
+void r300ReleaseDmaRegion(r300ContextPtr rmesa,
+			  struct r300_dma_region *region, const char *caller)
+{
+	if (RADEON_DEBUG & DEBUG_IOCTL)
+		fprintf(stderr, "%s from %s\n", __FUNCTION__, caller);
+
+	if (!region->buf)
+		return;
+
+	if (rmesa->dma.flush)
+		rmesa->dma.flush(rmesa);
+
+	if (--region->buf->refcount == 0) {
+		drm_radeon_cmd_header_t *cmd;
+
+		if (RADEON_DEBUG & (DEBUG_IOCTL | DEBUG_DMA))
+			fprintf(stderr, "%s -- DISCARD BUF %d\n", __FUNCTION__,
+				region->buf->buf->idx);
+
+		cmd =
+		    (drm_radeon_cmd_header_t *) r300AllocCmdBuf(rmesa,
+								sizeof(*cmd),
+								__FUNCTION__);
+		cmd->dma.cmd_type = RADEON_CMD_DMA_DISCARD;
+		cmd->dma.buf_idx = region->buf->buf->idx;
+		FREE(region->buf);
+		rmesa->dma.nr_released_bufs++;
+	}
+
+	region->buf = 0;
+	region->start = 0;
+}
+
+/* Allocates a region from rmesa->dma.current.  If there isn't enough
+ * space in current, grab a new buffer (and discard what was left of current)
+ */
+void r300AllocDmaRegion(r300ContextPtr rmesa,
+			struct r300_dma_region *region,
+			int bytes, int alignment)
+{
+	if (RADEON_DEBUG & DEBUG_IOCTL)
+		fprintf(stderr, "%s %d\n", __FUNCTION__, bytes);
+
+	if (rmesa->dma.flush)
+		rmesa->dma.flush(rmesa);
+
+	if (region->buf)
+		r300ReleaseDmaRegion(rmesa, region, __FUNCTION__);
+
+	alignment--;
+	rmesa->dma.current.start = rmesa->dma.current.ptr =
+	    (rmesa->dma.current.ptr + alignment) & ~alignment;
+
+	if (rmesa->dma.current.ptr + bytes > rmesa->dma.current.end)
+		r300RefillCurrentDmaRegion(rmesa);
+
+	region->start = rmesa->dma.current.start;
+	region->ptr = rmesa->dma.current.start;
+	region->end = rmesa->dma.current.start + bytes;
+	region->address = rmesa->dma.current.address;
+	region->buf = rmesa->dma.current.buf;
+	region->buf->refcount++;
+
+	rmesa->dma.current.ptr += bytes;	/* bug - if alignment > 7 */
+	rmesa->dma.current.start =
+	    rmesa->dma.current.ptr = (rmesa->dma.current.ptr + 0x7) & ~0x7;
+
+	assert(rmesa->dma.current.ptr <= rmesa->dma.current.end);
+}
+
+/* Called via glXGetMemoryOffsetMESA() */
+GLuint r300GetMemoryOffsetMESA(__DRInativeDisplay * dpy, int scrn,
+			       const GLvoid * pointer)
+{
+	GET_CURRENT_CONTEXT(ctx);
+	r300ContextPtr rmesa;
+	GLuint card_offset;
+
+	if (!ctx || !(rmesa = R300_CONTEXT(ctx))) {
+		fprintf(stderr, "%s: no context\n", __FUNCTION__);
+		return ~0;
+	}
+
+	if (!r300IsGartMemory(rmesa, pointer, 0))
+		return ~0;
+
+	if (rmesa->radeon.dri.drmMinor < 6)
+		return ~0;
+
+	card_offset = r300GartOffsetFromVirtual(rmesa, pointer);
+
+	return card_offset - rmesa->radeon.radeonScreen->gart_base;
+}
+
+GLboolean r300IsGartMemory(r300ContextPtr rmesa, const GLvoid * pointer,
+			   GLint size)
+{
+	int offset =
+	    (char *)pointer - (char *)rmesa->radeon.radeonScreen->gartTextures.map;
+	int valid = (size >= 0 && offset >= 0
+		     && offset + size < rmesa->radeon.radeonScreen->gartTextures.size);
+
+	if (RADEON_DEBUG & DEBUG_IOCTL)
+		fprintf(stderr, "r300IsGartMemory( %p ) : %d\n", pointer,
+			valid);
+
+	return valid;
+}
+
+GLuint r300GartOffsetFromVirtual(r300ContextPtr rmesa, const GLvoid * pointer)
+{
+	int offset =
+	    (char *)pointer - (char *)rmesa->radeon.radeonScreen->gartTextures.map;
+
+	fprintf(stderr, "offset=%08x\n", offset);
+
+	if (offset < 0 || offset > rmesa->radeon.radeonScreen->gartTextures.size)
+		return ~0;
+	else
+		return rmesa->radeon.radeonScreen->gart_texture_offset + offset;
+}
+
 void r300InitIoctlFuncs(struct dd_function_table *functions)
 {
 	functions->Clear = r300Clear;
diff --git a/src/mesa/drivers/dri/r300/r300_ioctl.h b/src/mesa/drivers/dri/r300/r300_ioctl.h
index 26ca07cce2..9a2ece5c70 100644
--- a/src/mesa/drivers/dri/r300/r300_ioctl.h
+++ b/src/mesa/drivers/dri/r300/r300_ioctl.h
@@ -36,6 +36,18 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #ifndef __R300_IOCTL_H__
 #define __R300_IOCTL_H__
 
+#include "r300_context.h"
+#include "radeon_drm.h"
+
+extern GLuint r300GetMemoryOffsetMESA(__DRInativeDisplay * dpy, int scrn,
+				      const GLvoid * pointer);
+
+extern GLboolean r300IsGartMemory(r300ContextPtr rmesa, const GLvoid * pointer,
+				  GLint size);
+
+extern GLuint r300GartOffsetFromVirtual(r300ContextPtr rmesa,
+					const GLvoid * pointer);
+
 extern void r300Flush(GLcontext * ctx);
 extern void r300InitIoctlFuncs(struct dd_function_table *functions);
 
diff --git a/src/mesa/drivers/dri/r300/r300_render.c b/src/mesa/drivers/dri/r300/r300_render.c
index dbc18a834d..c16a960a5d 100644
--- a/src/mesa/drivers/dri/r300/r300_render.c
+++ b/src/mesa/drivers/dri/r300/r300_render.c
@@ -458,12 +458,14 @@ static void r300_render_tex_primitive(r300ContextPtr rmesa,
        	
    type=r300_get_primitive_type(rmesa, ctx, start, end, prim);
 		
+   		#if 1
 		fprintf(stderr,"ObjPtr: size=%d stride=%d\n", 
 			VB->ObjPtr->size, VB->ObjPtr->stride);
 		fprintf(stderr,"ColorPtr[0]: size=%d stride=%d\n", 
 			VB->ColorPtr[0]->size, VB->ColorPtr[0]->stride);
 		fprintf(stderr,"TexCoordPtr[0]: size=%d stride=%d\n", 
 			VB->TexCoordPtr[0]->size, VB->TexCoordPtr[0]->stride);
+		#endif
    
    if(type<0)return;
 
@@ -508,16 +510,21 @@ static GLboolean r300_run_tex_render(GLcontext *ctx,
    AOS_DATA vb_arrays[3];
    /* Only do 2d textures */
    struct gl_texture_object *to=ctx->Texture.Unit[0].Current2D;
-   radeonScreenPtr rsp=rmesa->radeon.radeonScreen;
+   r300TexObjPtr t=to->DriverData;
    LOCAL_VARS
 	
    
+   /* Update texture state - needs to be done only when actually changed..
+      All the time for now.. */
+   r300UpdateTextureState(ctx);
+   
    /* Flush state - make sure command buffer is nice and large */
    r300Flush(ctx);
    
    //fprintf(stderr, "You can enable texture drawing in %s:%s \n", __FILE__, __FUNCTION__);
    //return GL_TRUE;
-   
+
+
 	if (RADEON_DEBUG == DEBUG_PRIMS)
 		fprintf(stderr, "%s\n", __FUNCTION__);
 
@@ -549,8 +556,6 @@ static GLboolean r300_run_tex_render(GLcontext *ctx,
    vb_arrays[2].ncomponents=4;
    vb_arrays[2].reg=REG_TEX0;
 
-   /* Fill texture with some random data */
-   for(i=0;i<100000;i++)((int *)(rsp->gartTextures.map))[i]=rand();
      
    /* needed before starting 3d operation .. */
    reg_start(R300_RB3D_DSTCACHE_CTLSTAT,0);
@@ -578,8 +583,16 @@ static GLboolean r300_run_tex_render(GLcontext *ctx,
    SINGLE_TEXTURE_PIPELINE.vertex_shader.unknown2.body.f[2]=1.0;
    SINGLE_TEXTURE_PIPELINE.vertex_shader.unknown2.body.f[3]=0.0;
 
-   /* Put it in the beginning of texture memory */
-   SINGLE_TEXTURE_PIPELINE.texture_unit[0].offset=rsp->gartTextures.handle;
+   /* Use actual texture offset */
+   
+   SINGLE_TEXTURE_PIPELINE.texture_unit[0].offset=rmesa->radeon.radeonScreen->fbLocation+t->offset;
+   #if 0
+   SINGLE_TEXTURE_PIPELINE.texture_unit[0].format=t->format;
+   SINGLE_TEXTURE_PIPELINE.texture_unit[0].size=t->size;
+   #endif
+   SINGLE_TEXTURE_PIPELINE.texture_unit[0].filter=t->filter;
+   SINGLE_TEXTURE_PIPELINE.texture_unit[0].unknown1=t->pitch; /* Unknown 1 is pitch ! */
+   SINGLE_TEXTURE_PIPELINE.texture_unit[0].filter=t->filter;
    
    
    /* Upload texture, a hack, really  we can do a lot better */
@@ -644,6 +657,7 @@ reg_start(R300_RS_INTERP_0,7);
    reg_start(0x4f18,0);
 	e32(0x00000003);
          
+//   exit(-1);
    fprintf(stderr, "\n");
    return GL_FALSE;
 }
@@ -671,7 +685,7 @@ static GLboolean r300_run_render(GLcontext *ctx,
         if(ctx->Texture.Unit[0].Enabled)
         	return r300_run_tex_render(ctx, stage);
 		else
-        	return r300_run_flat_render(ctx, stage);
+        	return r300_run_vb_flat_render(ctx, stage);
    #else
 	return GL_TRUE;
    #endif
diff --git a/src/mesa/drivers/dri/r300/r300_tex.c b/src/mesa/drivers/dri/r300/r300_tex.c
new file mode 100644
index 0000000000..bdbdc0b890
--- /dev/null
+++ b/src/mesa/drivers/dri/r300/r300_tex.c
@@ -0,0 +1,1055 @@
+/* $XFree86: xc/lib/GL/mesa/src/drv/r300/r300_tex.c,v 1.2 2002/11/05 17:46:08 tsi Exp $ */
+/*
+Copyright (C) The Weather Channel, Inc.  2002.  All Rights Reserved.
+
+The Weather Channel (TM) funded Tungsten Graphics to develop the
+initial release of the Radeon 8500 driver under the XFree86 license.
+This notice must be preserved.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice (including the
+next paragraph) shall be included in all copies or substantial
+portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+/*
+ * Authors:
+ *   Keith Whitwell <keith@tungstengraphics.com>
+ */
+
+#include "glheader.h"
+#include "imports.h"
+#include "colormac.h"
+#include "context.h"
+#include "enums.h"
+#include "image.h"
+#include "simple_list.h"
+#include "texformat.h"
+#include "texstore.h"
+#include "texmem.h"
+#include "teximage.h"
+#include "texobj.h"
+
+#include "r300_context.h"
+#include "r300_state.h"
+#include "r300_ioctl.h"
+//#include "r300_swtcl.h"
+#include "r300_tex.h"
+
+#include "xmlpool.h"
+
+/**
+ * Set the texture wrap modes.
+ *
+ * \param t Texture object whose wrap modes are to be set
+ * \param swrap Wrap mode for the \a s texture coordinate
+ * \param twrap Wrap mode for the \a t texture coordinate
+ */
+
+static void r300SetTexWrap(r300TexObjPtr t, GLenum swrap, GLenum twrap,
+			   GLenum rwrap)
+{
+	GLboolean is_clamp = GL_FALSE;
+	GLboolean is_clamp_to_border = GL_FALSE;
+
+	t->filter &=
+	    ~(R200_CLAMP_S_MASK | R200_CLAMP_T_MASK | R200_BORDER_MODE_D3D);
+
+	switch (swrap) {
+	case GL_REPEAT:
+		t->filter |= R200_CLAMP_S_WRAP;
+		break;
+	case GL_CLAMP:
+		t->filter |= R200_CLAMP_S_CLAMP_GL;
+		is_clamp = GL_TRUE;
+		break;
+	case GL_CLAMP_TO_EDGE:
+		t->filter |= R200_CLAMP_S_CLAMP_LAST;
+		break;
+	case GL_CLAMP_TO_BORDER:
+		t->filter |= R200_CLAMP_S_CLAMP_GL;
+		is_clamp_to_border = GL_TRUE;
+		break;
+	case GL_MIRRORED_REPEAT:
+		t->filter |= R200_CLAMP_S_MIRROR;
+		break;
+	case GL_MIRROR_CLAMP_EXT:
+		t->filter |= R200_CLAMP_S_MIRROR_CLAMP_GL;
+		is_clamp = GL_TRUE;
+		break;
+	case GL_MIRROR_CLAMP_TO_EDGE_EXT:
+		t->filter |= R200_CLAMP_S_MIRROR_CLAMP_LAST;
+		break;
+	case GL_MIRROR_CLAMP_TO_BORDER_EXT:
+		t->filter |= R200_CLAMP_S_MIRROR_CLAMP_GL;
+		is_clamp_to_border = GL_TRUE;
+		break;
+	default:
+		_mesa_problem(NULL, "bad S wrap mode in %s", __FUNCTION__);
+	}
+
+	switch (twrap) {
+	case GL_REPEAT:
+		t->filter |= R200_CLAMP_T_WRAP;
+		break;
+	case GL_CLAMP:
+		t->filter |= R200_CLAMP_T_CLAMP_GL;
+		is_clamp = GL_TRUE;
+		break;
+	case GL_CLAMP_TO_EDGE:
+		t->filter |= R200_CLAMP_T_CLAMP_LAST;
+		break;
+	case GL_CLAMP_TO_BORDER:
+		t->filter |= R200_CLAMP_T_CLAMP_GL | R200_BORDER_MODE_D3D;
+		is_clamp_to_border = GL_TRUE;
+		break;
+	case GL_MIRRORED_REPEAT:
+		t->filter |= R200_CLAMP_T_MIRROR;
+		break;
+	case GL_MIRROR_CLAMP_EXT:
+		t->filter |= R200_CLAMP_T_MIRROR_CLAMP_GL;
+		is_clamp = GL_TRUE;
+		break;
+	case GL_MIRROR_CLAMP_TO_EDGE_EXT:
+		t->filter |= R200_CLAMP_T_MIRROR_CLAMP_LAST;
+		break;
+	case GL_MIRROR_CLAMP_TO_BORDER_EXT:
+		t->filter |= R200_CLAMP_T_MIRROR_CLAMP_GL;
+		is_clamp_to_border = GL_TRUE;
+		break;
+	default:
+		_mesa_problem(NULL, "bad T wrap mode in %s", __FUNCTION__);
+	}
+
+	#if 0 /* Which field is this ? */
+	t->pp_txformat_x &= ~R200_CLAMP_Q_MASK;
+
+	switch (rwrap) {
+	case GL_REPEAT:
+		t->pp_txformat_x |= R200_CLAMP_Q_WRAP;
+		break;
+	case GL_CLAMP:
+		t->pp_txformat_x |= R200_CLAMP_Q_CLAMP_GL;
+		is_clamp = GL_TRUE;
+		break;
+	case GL_CLAMP_TO_EDGE:
+		t->pp_txformat_x |= R200_CLAMP_Q_CLAMP_LAST;
+		break;
+	case GL_CLAMP_TO_BORDER:
+		t->pp_txformat_x |= R200_CLAMP_Q_CLAMP_GL;
+		is_clamp_to_border = GL_TRUE;
+		break;
+	case GL_MIRRORED_REPEAT:
+		t->pp_txformat_x |= R200_CLAMP_Q_MIRROR;
+		break;
+	case GL_MIRROR_CLAMP_EXT:
+		t->pp_txformat_x |= R200_CLAMP_Q_MIRROR_CLAMP_GL;
+		is_clamp = GL_TRUE;
+		break;
+	case GL_MIRROR_CLAMP_TO_EDGE_EXT:
+		t->pp_txformat_x |= R200_CLAMP_Q_MIRROR_CLAMP_LAST;
+		break;
+	case GL_MIRROR_CLAMP_TO_BORDER_EXT:
+		t->pp_txformat_x |= R200_CLAMP_Q_MIRROR_CLAMP_GL;
+		is_clamp_to_border = GL_TRUE;
+		break;
+	default:
+		_mesa_problem(NULL, "bad R wrap mode in %s", __FUNCTION__);
+	}
+	#endif
+	
+	if (is_clamp_to_border) {
+		t->filter |= R200_BORDER_MODE_D3D;
+	}
+
+	t->border_fallback = (is_clamp && is_clamp_to_border);
+}
+
+static void r300SetTexMaxAnisotropy(r300TexObjPtr t, GLfloat max)
+{
+	t->filter &= ~R200_MAX_ANISO_MASK;
+
+	if (max == 1.0) {
+		t->filter |= R200_MAX_ANISO_1_TO_1;
+	} else if (max <= 2.0) {
+		t->filter |= R200_MAX_ANISO_2_TO_1;
+	} else if (max <= 4.0) {
+		t->filter |= R200_MAX_ANISO_4_TO_1;
+	} else if (max <= 8.0) {
+		t->filter |= R200_MAX_ANISO_8_TO_1;
+	} else {
+		t->filter |= R200_MAX_ANISO_16_TO_1;
+	}
+}
+
+/**
+ * Set the texture magnification and minification modes.
+ *
+ * \param t Texture whose filter modes are to be set
+ * \param minf Texture minification mode
+ * \param magf Texture magnification mode
+ */
+
+static void r300SetTexFilter(r300TexObjPtr t, GLenum minf, GLenum magf)
+{
+	GLuint anisotropy = (t->filter & R200_MAX_ANISO_MASK);
+
+	t->filter &= ~(R200_MIN_FILTER_MASK | R200_MAG_FILTER_MASK);
+	#if 0
+	t->pp_txformat_x &= ~R200_VOLUME_FILTER_MASK;
+	#endif
+	
+	if (anisotropy == R200_MAX_ANISO_1_TO_1) {
+		switch (minf) {
+		case GL_NEAREST:
+			t->filter |= R200_MIN_FILTER_NEAREST;
+			break;
+		case GL_LINEAR:
+			t->filter |= R200_MIN_FILTER_LINEAR;
+			break;
+		case GL_NEAREST_MIPMAP_NEAREST:
+			t->filter |= R200_MIN_FILTER_NEAREST_MIP_NEAREST;
+			break;
+		case GL_NEAREST_MIPMAP_LINEAR:
+			t->filter |= R200_MIN_FILTER_LINEAR_MIP_NEAREST;
+			break;
+		case GL_LINEAR_MIPMAP_NEAREST:
+			t->filter |= R200_MIN_FILTER_NEAREST_MIP_LINEAR;
+			break;
+		case GL_LINEAR_MIPMAP_LINEAR:
+			t->filter |= R200_MIN_FILTER_LINEAR_MIP_LINEAR;
+			break;
+		}
+	} else {
+		switch (minf) {
+		case GL_NEAREST:
+			t->filter |= R200_MIN_FILTER_ANISO_NEAREST;
+			break;
+		case GL_LINEAR:
+			t->filter |= R200_MIN_FILTER_ANISO_LINEAR;
+			break;
+		case GL_NEAREST_MIPMAP_NEAREST:
+		case GL_LINEAR_MIPMAP_NEAREST:
+			t->filter |=
+			    R200_MIN_FILTER_ANISO_NEAREST_MIP_NEAREST;
+			break;
+		case GL_NEAREST_MIPMAP_LINEAR:
+		case GL_LINEAR_MIPMAP_LINEAR:
+			t->filter |=
+			    R200_MIN_FILTER_ANISO_NEAREST_MIP_LINEAR;
+			break;
+		}
+	}
+
+	/* Note we don't have 3D mipmaps so only use the mag filter setting
+	 * to set the 3D texture filter mode.
+	 */
+	switch (magf) {
+	case GL_NEAREST:
+		t->filter |= R200_MAG_FILTER_NEAREST;
+		#if 0
+		t->pp_txformat_x |= R200_VOLUME_FILTER_NEAREST;
+		#endif
+		break;
+	case GL_LINEAR:
+		t->filter |= R200_MAG_FILTER_LINEAR;
+		#if 0
+		t->pp_txformat_x |= R200_VOLUME_FILTER_LINEAR;
+		#endif
+		break;
+	}
+}
+
+static void r300SetTexBorderColor(r300TexObjPtr t, GLubyte c[4])
+{
+	#if 0
+	t->pp_border_color = radeonPackColor(4, c[0], c[1], c[2], c[3]);
+	#endif
+}
+
+/**
+ * Allocate space for and load the mesa images into the texture memory block.
+ * This will happen before drawing with a new texture, or drawing with a
+ * texture after it was swapped out or teximaged again.
+ */
+
+static r300TexObjPtr r300AllocTexObj(struct gl_texture_object *texObj)
+{
+	r300TexObjPtr t;
+
+	t = CALLOC_STRUCT(r300_tex_obj);
+	texObj->DriverData = t;
+	if (t != NULL) {
+		if (RADEON_DEBUG & DEBUG_TEXTURE) {
+			fprintf(stderr, "%s( %p, %p )\n", __FUNCTION__,
+				(void *)texObj, (void *)t);
+		}
+
+		/* Initialize non-image-dependent parts of the state:
+		 */
+		t->base.tObj = texObj;
+		t->border_fallback = GL_FALSE;
+
+		make_empty_list(&t->base);
+
+		r300SetTexWrap(t, texObj->WrapS, texObj->WrapT, texObj->WrapR);
+		r300SetTexMaxAnisotropy(t, texObj->MaxAnisotropy);
+		r300SetTexFilter(t, texObj->MinFilter, texObj->MagFilter);
+		r300SetTexBorderColor(t, texObj->_BorderChan);
+	}
+
+	return t;
+}
+
+static const struct gl_texture_format *r300ChooseTextureFormat(GLcontext * ctx,
+							       GLint
+							       internalFormat,
+							       GLenum format,
+							       GLenum type)
+{
+	r300ContextPtr rmesa = R300_CONTEXT(ctx);
+	const GLboolean do32bpt =
+	    (rmesa->texture_depth == DRI_CONF_TEXTURE_DEPTH_32);
+	const GLboolean force16bpt =
+	    (rmesa->texture_depth == DRI_CONF_TEXTURE_DEPTH_FORCE_16);
+	(void)format;
+
+	switch (internalFormat) {
+	case 4:
+	case GL_RGBA:
+	case GL_COMPRESSED_RGBA:
+		switch (type) {
+		case GL_UNSIGNED_INT_10_10_10_2:
+		case GL_UNSIGNED_INT_2_10_10_10_REV:
+			return do32bpt ? _dri_texformat_argb8888 :
+			    _dri_texformat_argb1555;
+		case GL_UNSIGNED_SHORT_4_4_4_4:
+		case GL_UNSIGNED_SHORT_4_4_4_4_REV:
+			return _dri_texformat_argb4444;
+		case GL_UNSIGNED_SHORT_5_5_5_1:
+		case GL_UNSIGNED_SHORT_1_5_5_5_REV:
+			return _dri_texformat_argb1555;
+		default:
+			return do32bpt ? _dri_texformat_rgba8888 :
+			    _dri_texformat_argb4444;
+		}
+
+	case 3:
+	case GL_RGB:
+	case GL_COMPRESSED_RGB:
+		switch (type) {
+		case GL_UNSIGNED_SHORT_4_4_4_4:
+		case GL_UNSIGNED_SHORT_4_4_4_4_REV:
+			return _dri_texformat_argb4444;
+		case GL_UNSIGNED_SHORT_5_5_5_1:
+		case GL_UNSIGNED_SHORT_1_5_5_5_REV:
+			return _dri_texformat_argb1555;
+		case GL_UNSIGNED_SHORT_5_6_5:
+		case GL_UNSIGNED_SHORT_5_6_5_REV:
+			return _dri_texformat_rgb565;
+		default:
+			return do32bpt ? _dri_texformat_rgba8888 :
+			    _dri_texformat_rgb565;
+		}
+
+	case GL_RGBA8:
+	case GL_RGB10_A2:
+	case GL_RGBA12:
+	case GL_RGBA16:
+		return !force16bpt ?
+		    _dri_texformat_rgba8888 : _dri_texformat_argb4444;
+
+	case GL_RGBA4:
+	case GL_RGBA2:
+		return _dri_texformat_argb4444;
+
+	case GL_RGB5_A1:
+		return _dri_texformat_argb1555;
+
+	case GL_RGB8:
+	case GL_RGB10:
+	case GL_RGB12:
+	case GL_RGB16:
+		return !force16bpt ? _dri_texformat_rgba8888 :
+		    _dri_texformat_rgb565;
+
+	case GL_RGB5:
+	case GL_RGB4:
+	case GL_R3_G3_B2:
+		return _dri_texformat_rgb565;
+
+	case GL_ALPHA:
+	case GL_ALPHA4:
+	case GL_ALPHA8:
+	case GL_ALPHA12:
+	case GL_ALPHA16:
+	case GL_COMPRESSED_ALPHA:
+		return _dri_texformat_a8;
+
+	case 1:
+	case GL_LUMINANCE:
+	case GL_LUMINANCE4:
+	case GL_LUMINANCE8:
+	case GL_LUMINANCE12:
+	case GL_LUMINANCE16:
+	case GL_COMPRESSED_LUMINANCE:
+		return _dri_texformat_l8;
+
+	case 2:
+	case GL_LUMINANCE_ALPHA:
+	case GL_LUMINANCE4_ALPHA4:
+	case GL_LUMINANCE6_ALPHA2:
+	case GL_LUMINANCE8_ALPHA8:
+	case GL_LUMINANCE12_ALPHA4:
+	case GL_LUMINANCE12_ALPHA12:
+	case GL_LUMINANCE16_ALPHA16:
+	case GL_COMPRESSED_LUMINANCE_ALPHA:
+		return _dri_texformat_al88;
+
+	case GL_INTENSITY:
+	case GL_INTENSITY4:
+	case GL_INTENSITY8:
+	case GL_INTENSITY12:
+	case GL_INTENSITY16:
+	case GL_COMPRESSED_INTENSITY:
+		return _dri_texformat_i8;
+
+	case GL_YCBCR_MESA:
+		if (type == GL_UNSIGNED_SHORT_8_8_APPLE ||
+		    type == GL_UNSIGNED_BYTE)
+			return &_mesa_texformat_ycbcr;
+		else
+			return &_mesa_texformat_ycbcr_rev;
+
+	default:
+		_mesa_problem(ctx,
+			      "unexpected internalFormat 0x%x in r300ChooseTextureFormat",
+			      (int)internalFormat);
+		return NULL;
+	}
+
+	return NULL;		/* never get here */
+}
+
+static GLboolean
+r300ValidateClientStorage(GLcontext * ctx, GLenum target,
+			  GLint internalFormat,
+			  GLint srcWidth, GLint srcHeight,
+			  GLenum format, GLenum type, const void *pixels,
+			  const struct gl_pixelstore_attrib *packing,
+			  struct gl_texture_object *texObj,
+			  struct gl_texture_image *texImage)
+{
+	r300ContextPtr rmesa = R300_CONTEXT(ctx);
+
+	if (0)
+		fprintf(stderr, "intformat %s format %s type %s\n",
+			_mesa_lookup_enum_by_nr(internalFormat),
+			_mesa_lookup_enum_by_nr(format),
+			_mesa_lookup_enum_by_nr(type));
+
+	if (!ctx->Unpack.ClientStorage)
+		return 0;
+
+	if (ctx->_ImageTransferState ||
+	    texImage->IsCompressed || texObj->GenerateMipmap)
+		return 0;
+
+	/* This list is incomplete, may be different on ppc???
+	 */
+	switch (internalFormat) {
+	case GL_RGBA:
+		if (format == GL_BGRA && type == GL_UNSIGNED_INT_8_8_8_8_REV) {
+			texImage->TexFormat = _dri_texformat_argb8888;
+		} else
+			return 0;
+		break;
+
+	case GL_RGB:
+		if (format == GL_RGB && type == GL_UNSIGNED_SHORT_5_6_5) {
+			texImage->TexFormat = _dri_texformat_rgb565;
+		} else
+			return 0;
+		break;
+
+	case GL_YCBCR_MESA:
+		if (format == GL_YCBCR_MESA &&
+		    type == GL_UNSIGNED_SHORT_8_8_REV_APPLE) {
+			texImage->TexFormat = &_mesa_texformat_ycbcr_rev;
+		} else if (format == GL_YCBCR_MESA &&
+			   (type == GL_UNSIGNED_SHORT_8_8_APPLE ||
+			    type == GL_UNSIGNED_BYTE)) {
+			texImage->TexFormat = &_mesa_texformat_ycbcr;
+		} else
+			return 0;
+		break;
+
+	default:
+		return 0;
+	}
+
+	/* Could deal with these packing issues, but currently don't:
+	 */
+	if (packing->SkipPixels ||
+	    packing->SkipRows || packing->SwapBytes || packing->LsbFirst) {
+		return 0;
+	}
+
+	{
+		GLint srcRowStride = _mesa_image_row_stride(packing, srcWidth,
+							    format, type);
+
+		if (0)
+			fprintf(stderr, "%s: srcRowStride %d/%x\n",
+				__FUNCTION__, srcRowStride, srcRowStride);
+
+		/* Could check this later in upload, pitch restrictions could be
+		 * relaxed, but would need to store the image pitch somewhere,
+		 * as packing details might change before image is uploaded:
+		 */
+		if (!r300IsGartMemory(rmesa, pixels, srcHeight * srcRowStride)
+		    || (srcRowStride & 63))
+			return 0;
+
+		/* Have validated that _mesa_transfer_teximage would be a straight
+		 * memcpy at this point.  NOTE: future calls to TexSubImage will
+		 * overwrite the client data.  This is explicitly mentioned in the
+		 * extension spec.
+		 */
+		texImage->Data = (void *)pixels;
+		texImage->IsClientData = GL_TRUE;
+		texImage->RowStride =
+		    srcRowStride / texImage->TexFormat->TexelBytes;
+
+		return 1;
+	}
+}
+
+static void r300TexImage1D(GLcontext * ctx, GLenum target, GLint level,
+			   GLint internalFormat,
+			   GLint width, GLint border,
+			   GLenum format, GLenum type, const GLvoid * pixels,
+			   const struct gl_pixelstore_attrib *packing,
+			   struct gl_texture_object *texObj,
+			   struct gl_texture_image *texImage)
+{
+	driTextureObject *t = (driTextureObject *) texObj->DriverData;
+
+	if (t) {
+		driSwapOutTextureObject(t);
+	} else {
+		t = (driTextureObject *) r300AllocTexObj(texObj);
+		if (!t) {
+			_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage1D");
+			return;
+		}
+	}
+
+	/* Note, this will call ChooseTextureFormat */
+	_mesa_store_teximage1d(ctx, target, level, internalFormat,
+			       width, border, format, type, pixels,
+			       &ctx->Unpack, texObj, texImage);
+
+	t->dirty_images[0] |= (1 << level);
+}
+
+static void r300TexSubImage1D(GLcontext * ctx, GLenum target, GLint level,
+			      GLint xoffset,
+			      GLsizei width,
+			      GLenum format, GLenum type,
+			      const GLvoid * pixels,
+			      const struct gl_pixelstore_attrib *packing,
+			      struct gl_texture_object *texObj,
+			      struct gl_texture_image *texImage)
+{
+	driTextureObject *t = (driTextureObject *) texObj->DriverData;
+
+	assert(t);		/* this _should_ be true */
+	if (t) {
+		driSwapOutTextureObject(t);
+	} else {
+		t = (driTextureObject *) r300AllocTexObj(texObj);
+		if (!t) {
+			_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage1D");
+			return;
+		}
+	}
+
+	_mesa_store_texsubimage1d(ctx, target, level, xoffset, width,
+				  format, type, pixels, packing, texObj,
+				  texImage);
+
+	t->dirty_images[0] |= (1 << level);
+}
+
+static void r300TexImage2D(GLcontext * ctx, GLenum target, GLint level,
+			   GLint internalFormat,
+			   GLint width, GLint height, GLint border,
+			   GLenum format, GLenum type, const GLvoid * pixels,
+			   const struct gl_pixelstore_attrib *packing,
+			   struct gl_texture_object *texObj,
+			   struct gl_texture_image *texImage)
+{
+	driTextureObject *t = (driTextureObject *) texObj->DriverData;
+	GLuint face;
+
+	/* which cube face or ordinary 2D image */
+	switch (target) {
+	case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
+	case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
+	case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
+	case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
+	case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
+	case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
+		face =
+		    (GLuint) target - (GLuint) GL_TEXTURE_CUBE_MAP_POSITIVE_X;
+		ASSERT(face < 6);
+		break;
+	default:
+		face = 0;
+	}
+
+	if (t != NULL) {
+		driSwapOutTextureObject(t);
+	} else {
+		t = (driTextureObject *) r300AllocTexObj(texObj);
+		if (!t) {
+			_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D");
+			return;
+		}
+	}
+
+	texImage->IsClientData = GL_FALSE;
+
+	if (r300ValidateClientStorage(ctx, target,
+				      internalFormat,
+				      width, height,
+				      format, type, pixels,
+				      packing, texObj, texImage)) {
+		if (RADEON_DEBUG & DEBUG_TEXTURE)
+			fprintf(stderr, "%s: Using client storage\n",
+				__FUNCTION__);
+	} else {
+		if (RADEON_DEBUG & DEBUG_TEXTURE)
+			fprintf(stderr, "%s: Using normal storage\n",
+				__FUNCTION__);
+
+		/* Normal path: copy (to cached memory) and eventually upload
+		 * via another copy to GART memory and then a blit...  Could
+		 * eliminate one copy by going straight to (permanent) GART.
+		 *
+		 * Note, this will call r300ChooseTextureFormat.
+		 */
+		_mesa_store_teximage2d(ctx, target, level, internalFormat,
+				       width, height, border, format, type,
+				       pixels, &ctx->Unpack, texObj, texImage);
+
+		t->dirty_images[face] |= (1 << level);
+	}
+}
+
+static void r300TexSubImage2D(GLcontext * ctx, GLenum target, GLint level,
+			      GLint xoffset, GLint yoffset,
+			      GLsizei width, GLsizei height,
+			      GLenum format, GLenum type,
+			      const GLvoid * pixels,
+			      const struct gl_pixelstore_attrib *packing,
+			      struct gl_texture_object *texObj,
+			      struct gl_texture_image *texImage)
+{
+	driTextureObject *t = (driTextureObject *) texObj->DriverData;
+	GLuint face;
+
+	/* which cube face or ordinary 2D image */
+	switch (target) {
+	case GL_TEXTURE_CUBE_MAP_POSITIVE_X:
+	case GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
+	case GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
+	case GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
+	case GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
+	case GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
+		face =
+		    (GLuint) target - (GLuint) GL_TEXTURE_CUBE_MAP_POSITIVE_X;
+		ASSERT(face < 6);
+		break;
+	default:
+		face = 0;
+	}
+
+	assert(t);		/* this _should_ be true */
+	if (t) {
+		driSwapOutTextureObject(t);
+	} else {
+		t = (driTextureObject *) r300AllocTexObj(texObj);
+		if (!t) {
+			_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage2D");
+			return;
+		}
+	}
+
+	_mesa_store_texsubimage2d(ctx, target, level, xoffset, yoffset, width,
+				  height, format, type, pixels, packing, texObj,
+				  texImage);
+
+	t->dirty_images[face] |= (1 << level);
+}
+
+#if ENABLE_HW_3D_TEXTURE
+static void r300TexImage3D(GLcontext * ctx, GLenum target, GLint level,
+			   GLint internalFormat,
+			   GLint width, GLint height, GLint depth,
+			   GLint border,
+			   GLenum format, GLenum type, const GLvoid * pixels,
+			   const struct gl_pixelstore_attrib *packing,
+			   struct gl_texture_object *texObj,
+			   struct gl_texture_image *texImage)
+{
+	driTextureObject *t = (driTextureObject *) texObj->DriverData;
+
+	if (t) {
+		driSwapOutTextureObject(t);
+	} else {
+		t = (driTextureObject *) r300AllocTexObj(texObj);
+		if (!t) {
+			_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage3D");
+			return;
+		}
+	}
+
+	texImage->IsClientData = GL_FALSE;
+
+#if 0
+	if (r300ValidateClientStorage(ctx, target,
+				      internalFormat,
+				      width, height,
+				      format, type, pixels,
+				      packing, texObj, texImage)) {
+		if (RADEON_DEBUG & DEBUG_TEXTURE)
+			fprintf(stderr, "%s: Using client storage\n",
+				__FUNCTION__);
+	} else
+#endif
+	{
+		if (RADEON_DEBUG & DEBUG_TEXTURE)
+			fprintf(stderr, "%s: Using normal storage\n",
+				__FUNCTION__);
+
+		/* Normal path: copy (to cached memory) and eventually upload
+		 * via another copy to GART memory and then a blit...  Could
+		 * eliminate one copy by going straight to (permanent) GART.
+		 *
+		 * Note, this will call r300ChooseTextureFormat.
+		 */
+		_mesa_store_teximage3d(ctx, target, level, internalFormat,
+				       width, height, depth, border,
+				       format, type, pixels,
+				       &ctx->Unpack, texObj, texImage);
+
+		t->dirty_images[0] |= (1 << level);
+	}
+}
+#endif
+
+#if ENABLE_HW_3D_TEXTURE
+static void
+r300TexSubImage3D(GLcontext * ctx, GLenum target, GLint level,
+		  GLint xoffset, GLint yoffset, GLint zoffset,
+		  GLsizei width, GLsizei height, GLsizei depth,
+		  GLenum format, GLenum type,
+		  const GLvoid * pixels,
+		  const struct gl_pixelstore_attrib *packing,
+		  struct gl_texture_object *texObj,
+		  struct gl_texture_image *texImage)
+{
+	driTextureObject *t = (driTextureObject *) texObj->DriverData;
+
+/*     fprintf(stderr, "%s\n", __FUNCTION__); */
+
+	assert(t);		/* this _should_ be true */
+	if (t) {
+		driSwapOutTextureObject(t);
+	} else {
+		t = (driTextureObject *) r300AllocTexObj(texObj);
+		if (!t) {
+			_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage3D");
+			return;
+		}
+		texObj->DriverData = t;
+	}
+
+	_mesa_store_texsubimage3d(ctx, target, level, xoffset, yoffset, zoffset,
+				  width, height, depth,
+				  format, type, pixels, packing, texObj,
+				  texImage);
+
+	t->dirty_images[0] |= (1 << level);
+}
+#endif
+
+static void r300TexEnv(GLcontext * ctx, GLenum target,
+		       GLenum pname, const GLfloat * param)
+{
+	r300ContextPtr rmesa = R300_CONTEXT(ctx);
+	GLuint unit = ctx->Texture.CurrentUnit;
+	struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
+
+	if (RADEON_DEBUG & DEBUG_STATE) {
+		fprintf(stderr, "%s( %s )\n",
+			__FUNCTION__, _mesa_lookup_enum_by_nr(pname));
+	}
+
+	fprintf(stderr, "%s:%s I am broken - Fixme !\n", __FILE__, __FUNCTION__);
+	
+	#if 0
+	/* This is incorrect: Need to maintain this data for each of
+	 * GL_TEXTURE_{123}D, GL_TEXTURE_RECTANGLE_NV, etc, and switch
+	 * between them according to _ReallyEnabled.
+	 */
+	switch (pname) {
+	case GL_TEXTURE_ENV_COLOR:{
+			GLubyte c[4];
+			GLuint envColor;
+			UNCLAMPED_FLOAT_TO_RGBA_CHAN(c, texUnit->EnvColor);
+			envColor = radeonPackColor(4, c[0], c[1], c[2], c[3]);
+			if (rmesa->hw.tf.cmd[TF_TFACTOR_0 + unit] != envColor) {
+				R200_STATECHANGE(rmesa, tf);
+				rmesa->hw.tf.cmd[TF_TFACTOR_0 + unit] =
+				    envColor;
+			}
+			break;
+		}
+
+	case GL_TEXTURE_LOD_BIAS_EXT:{
+			GLfloat bias, min;
+			GLuint b;
+			const int fixed_one = 0x8000000;
+
+			/* The R200's LOD bias is a signed 2's complement value with a
+			 * range of -16.0 <= bias < 16.0.
+			 *
+			 * NOTE: Add a small bias to the bias for conform mipsel.c test.
+			 */
+			bias = *param + .01;
+			min =
+			    driQueryOptionb(&rmesa->radeon.optionCache,
+					    "no_neg_lod_bias") ? 0.0 : -16.0;
+			bias = CLAMP(bias, min, 16.0);
+			b = (int)(bias * fixed_one) & R200_LOD_BIAS_MASK;
+
+			if ((rmesa->hw.tex[unit].
+			     cmd[TEX_PP_TXFORMAT_X] & R200_LOD_BIAS_MASK) !=
+			    b) {
+				R200_STATECHANGE(rmesa, tex[unit]);
+				rmesa->hw.tex[unit].cmd[TEX_PP_TXFORMAT_X] &=
+				    ~R200_LOD_BIAS_MASK;
+				rmesa->hw.tex[unit].cmd[TEX_PP_TXFORMAT_X] |= b;
+			}
+			break;
+		}
+
+	default:
+		return;
+	}
+	#endif
+}
+
+/**
+ * Changes variables and flags for a state update, which will happen at the
+ * next UpdateTextureState
+ */
+
+static void r300TexParameter(GLcontext * ctx, GLenum target,
+			     struct gl_texture_object *texObj,
+			     GLenum pname, const GLfloat * params)
+{
+	r300TexObjPtr t = (r300TexObjPtr) texObj->DriverData;
+
+	if (RADEON_DEBUG & (DEBUG_STATE | DEBUG_TEXTURE)) {
+		fprintf(stderr, "%s( %s )\n", __FUNCTION__,
+			_mesa_lookup_enum_by_nr(pname));
+	}
+
+	switch (pname) {
+	case GL_TEXTURE_MIN_FILTER:
+	case GL_TEXTURE_MAG_FILTER:
+	case GL_TEXTURE_MAX_ANISOTROPY_EXT:
+		r300SetTexMaxAnisotropy(t, texObj->MaxAnisotropy);
+		r300SetTexFilter(t, texObj->MinFilter, texObj->MagFilter);
+		break;
+
+	case GL_TEXTURE_WRAP_S:
+	case GL_TEXTURE_WRAP_T:
+	case GL_TEXTURE_WRAP_R:
+		r300SetTexWrap(t, texObj->WrapS, texObj->WrapT, texObj->WrapR);
+		break;
+
+	case GL_TEXTURE_BORDER_COLOR:
+		r300SetTexBorderColor(t, texObj->_BorderChan);
+		break;
+
+	case GL_TEXTURE_BASE_LEVEL:
+	case GL_TEXTURE_MAX_LEVEL:
+	case GL_TEXTURE_MIN_LOD:
+	case GL_TEXTURE_MAX_LOD:
+		/* This isn't the most efficient solution but there doesn't appear to
+		 * be a nice alternative.  Since there's no LOD clamping,
+		 * we just have to rely on loading the right subset of mipmap levels
+		 * to simulate a clamped LOD.
+		 */
+		driSwapOutTextureObject((driTextureObject *) t);
+		break;
+
+	default:
+		return;
+	}
+
+	/* Mark this texobj as dirty (one bit per tex unit)
+	 */
+	t->dirty_state = TEX_ALL;
+}
+
+static void r300BindTexture(GLcontext * ctx, GLenum target,
+			    struct gl_texture_object *texObj)
+{
+	if (RADEON_DEBUG & (DEBUG_STATE | DEBUG_TEXTURE)) {
+		fprintf(stderr, "%s( %p ) unit=%d\n", __FUNCTION__,
+			(void *)texObj, ctx->Texture.CurrentUnit);
+	}
+
+	if ((target == GL_TEXTURE_1D)
+	    || (target == GL_TEXTURE_2D)
+#if ENABLE_HW_3D_TEXTURE
+	    || (target == GL_TEXTURE_3D)
+#endif
+	    || (target == GL_TEXTURE_CUBE_MAP)
+	    || (target == GL_TEXTURE_RECTANGLE_NV)) {
+		assert(texObj->DriverData != NULL);
+	}
+}
+
+static void r300DeleteTexture(GLcontext * ctx, struct gl_texture_object *texObj)
+{
+	r300ContextPtr rmesa = R300_CONTEXT(ctx);
+	driTextureObject *t = (driTextureObject *) texObj->DriverData;
+
+	if (RADEON_DEBUG & (DEBUG_STATE | DEBUG_TEXTURE)) {
+		fprintf(stderr, "%s( %p (target = %s) )\n", __FUNCTION__,
+			(void *)texObj,
+			_mesa_lookup_enum_by_nr(texObj->Target));
+	}
+
+	if (t != NULL) {
+		if (rmesa) {
+			R300_FIREVERTICES(rmesa);
+		}
+
+		driDestroyTextureObject(t);
+	}
+	/* Free mipmap images and the texture object itself */
+	_mesa_delete_texture_object(ctx, texObj);
+}
+
+/* Need:
+ *  - Same GEN_MODE for all active bits
+ *  - Same EyePlane/ObjPlane for all active bits when using Eye/Obj
+ *  - STRQ presumably all supported (matrix means incoming R values
+ *    can end up in STQ, this has implications for vertex support,
+ *    presumably ok if maos is used, though?)
+ *
+ * Basically impossible to do this on the fly - just collect some
+ * basic info & do the checks from ValidateState().
+ */
+static void r300TexGen(GLcontext * ctx,
+		       GLenum coord, GLenum pname, const GLfloat * params)
+{
+	r300ContextPtr rmesa = R300_CONTEXT(ctx);
+	GLuint unit = ctx->Texture.CurrentUnit;
+	#if 0 /* Disable this for now - looks like we will be recalculating everything
+	         anyway */
+	rmesa->recheck_texgen[unit] = GL_TRUE;
+	#endif
+}
+
+/**
+ * Allocate a new texture object.
+ * Called via ctx->Driver.NewTextureObject.
+ * Note: this function will be called during context creation to
+ * allocate the default texture objects.
+ * Note: we could use containment here to 'derive' the driver-specific
+ * texture object from the core mesa gl_texture_object.  Not done at this time.
+ * Fixup MaxAnisotropy according to user preference.
+ */
+static struct gl_texture_object *r300NewTextureObject(GLcontext * ctx,
+						      GLuint name,
+						      GLenum target)
+{
+	r300ContextPtr rmesa = R300_CONTEXT(ctx);
+	struct gl_texture_object *obj;
+	obj = _mesa_new_texture_object(ctx, name, target);
+	if (!obj)
+		return NULL;
+	obj->MaxAnisotropy = rmesa->initialMaxAnisotropy;
+	r300AllocTexObj(obj);
+	return obj;
+}
+
+void r300InitTextureFuncs(struct dd_function_table *functions)
+{
+	/* Note: we only plug in the functions we implement in the driver
+	 * since _mesa_init_driver_functions() was already called.
+	 */
+	functions->ChooseTextureFormat = r300ChooseTextureFormat;
+	functions->TexImage1D = r300TexImage1D;
+	functions->TexImage2D = r300TexImage2D;
+#if ENABLE_HW_3D_TEXTURE
+	functions->TexImage3D = r300TexImage3D;
+#else
+	functions->TexImage3D = _mesa_store_teximage3d;
+#endif
+	functions->TexSubImage1D = r300TexSubImage1D;
+	functions->TexSubImage2D = r300TexSubImage2D;
+#if ENABLE_HW_3D_TEXTURE
+	functions->TexSubImage3D = r300TexSubImage3D;
+#else
+	functions->TexSubImage3D = _mesa_store_texsubimage3d;
+#endif
+	functions->NewTextureObject = r300NewTextureObject;
+	functions->BindTexture = r300BindTexture;
+	functions->DeleteTexture = r300DeleteTexture;
+	functions->IsTextureResident = driIsTextureResident;
+
+	functions->TexEnv = r300TexEnv;
+	functions->TexParameter = r300TexParameter;
+	functions->TexGen = r300TexGen;
+
+	driInitTextureFormats();
+
+#if 000
+	/* moved or obsolete code */
+	r300ContextPtr rmesa = R300_CONTEXT(ctx);
+	driInitTextureObjects(ctx, &rmesa->swapped,
+			      DRI_TEXMGR_DO_TEXTURE_1D
+			      | DRI_TEXMGR_DO_TEXTURE_2D);
+
+	/* Hack: r300NewTextureObject is not yet installed when the
+	 * default textures are created. Therefore set MaxAnisotropy of the
+	 * default 2D texture now. */
+	ctx->Shared->Default2D->MaxAnisotropy =
+	    driQueryOptionf(&rmesa->optionCache, "def_max_anisotropy");
+#endif
+}
diff --git a/src/mesa/drivers/dri/r300/r300_tex.h b/src/mesa/drivers/dri/r300/r300_tex.h
new file mode 100644
index 0000000000..a18ff0e2ce
--- /dev/null
+++ b/src/mesa/drivers/dri/r300/r300_tex.h
@@ -0,0 +1,51 @@
+/* $XFree86: xc/lib/GL/mesa/src/drv/r300/r300_tex.h,v 1.1 2002/10/30 12:51:53 alanh Exp $ */
+/*
+Copyright (C) The Weather Channel, Inc.  2002.  All Rights Reserved.
+
+The Weather Channel (TM) funded Tungsten Graphics to develop the
+initial release of the Radeon 8500 driver under the XFree86 license.
+This notice must be preserved.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice (including the
+next paragraph) shall be included in all copies or substantial
+portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+**************************************************************************/
+
+/*
+ * Authors:
+ *   Keith Whitwell <keith@tungstengraphics.com>
+ */
+
+#ifndef __r300_TEX_H__
+#define __r300_TEX_H__
+
+#ifdef GLX_DIRECT_RENDERING
+
+extern void r300UpdateTextureState(GLcontext * ctx);
+
+extern int r300UploadTexImages(r300ContextPtr rmesa, r300TexObjPtr t,
+			       GLuint face);
+
+extern void r300DestroyTexObj(r300ContextPtr rmesa, r300TexObjPtr t);
+
+extern void r300InitTextureFuncs(struct dd_function_table *functions);
+
+#endif
+#endif				/* __r300_TEX_H__ */
diff --git a/src/mesa/drivers/dri/r300/r300_texmem.c b/src/mesa/drivers/dri/r300/r300_texmem.c
new file mode 100644
index 0000000000..78c077fa40
--- /dev/null
+++ b/src/mesa/drivers/dri/r300/r300_texmem.c
@@ -0,0 +1,490 @@
+/* $XFree86: xc/lib/GL/mesa/src/drv/r300/r300_texmem.c,v 1.5 2002/12/17 00:32:56 dawes Exp $ */
+/**************************************************************************
+
+Copyright (C) Tungsten Graphics 2002.  All Rights Reserved.
+The Weather Channel, Inc. funded Tungsten Graphics to develop the
+initial release of the Radeon 8500 driver under the XFree86
+license. This notice must be preserved.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation on the rights to use, copy, modify, merge, publish,
+distribute, sub license, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice (including the
+next paragraph) shall be included in all copies or substantial
+portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NON-INFRINGEMENT. IN NO EVENT SHALL ATI, VA LINUX SYSTEMS AND/OR THEIR
+SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
+IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
+**************************************************************************/
+
+/*
+ * Authors:
+ *   Kevin E. Martin <martin@valinux.com>
+ *   Gareth Hughes <gareth@valinux.com>
+ *
+ */
+
+#include <errno.h>
+
+#include "glheader.h"
+#include "imports.h"
+#include "context.h"
+#include "colormac.h"
+#include "macros.h"
+#include "simple_list.h"
+#include "radeon_reg.h"		/* gets definition for usleep */
+#include "r300_context.h"
+#include "r300_state.h"
+#include "radeon_ioctl.h"
+/*
+#include "r300_swtcl.h"
+*/
+#include "r300_tex.h"
+
+#include <unistd.h>		/* for usleep() */
+
+/**
+ * Destroy any device-dependent state associated with the texture.  This may
+ * include NULLing out hardware state that points to the texture.
+ */
+void r300DestroyTexObj(r300ContextPtr rmesa, r300TexObjPtr t)
+{
+	if (RADEON_DEBUG & DEBUG_TEXTURE) {
+		fprintf(stderr, "%s( %p, %p )\n", __FUNCTION__,
+			(void *)t, (void *)t->base.tObj);
+	}
+
+	if (rmesa != NULL) {
+		unsigned i;
+
+		for (i = 0; i < rmesa->radeon.glCtx->Const.MaxTextureUnits; i++) {
+			if (t == rmesa->state.texture.unit[i].texobj) {
+				rmesa->state.texture.unit[i].texobj = NULL;
+				/* This code below is meant to shorten state
+				   pushed to the hardware by not programming 
+				   unneeded units.
+				   
+				   This does not appear to be worthwhile on R300 */
+				#if 0
+				remove_from_list(&rmesa->hw.tex[i]);
+				make_empty_list(&rmesa->hw.tex[i]);
+				remove_from_list(&rmesa->hw.cube[i]);
+				make_empty_list(&rmesa->hw.cube[i]);
+				#endif
+			}
+		}
+	}
+}
+
+/* ------------------------------------------------------------
+ * Texture image conversions
+ */
+
+static void r300UploadGARTClientSubImage(r300ContextPtr rmesa,
+					 r300TexObjPtr t,
+					 struct gl_texture_image *texImage,
+					 GLint hwlevel,
+					 GLint x, GLint y,
+					 GLint width, GLint height)
+{
+	const struct gl_texture_format *texFormat = texImage->TexFormat;
+	GLuint srcPitch, dstPitch;
+	int blit_format;
+	int srcOffset;
+
+	/*
+	 * XXX it appears that we always upload the full image, not a subimage.
+	 * I.e. x==0, y==0, width=texWidth, height=texWidth.  If this is ever
+	 * changed, the src pitch will have to change.
+	 */
+	switch (texFormat->TexelBytes) {
+	case 1:
+		blit_format = R200_CP_COLOR_FORMAT_CI8;
+		srcPitch = t->image[0][0].width * texFormat->TexelBytes;
+		dstPitch = t->image[0][0].width * texFormat->TexelBytes;
+		break;
+	case 2:
+		blit_format = R200_CP_COLOR_FORMAT_RGB565;
+		srcPitch = t->image[0][0].width * texFormat->TexelBytes;
+		dstPitch = t->image[0][0].width * texFormat->TexelBytes;
+		break;
+	case 4:
+		blit_format = R200_CP_COLOR_FORMAT_ARGB8888;
+		srcPitch = t->image[0][0].width * texFormat->TexelBytes;
+		dstPitch = t->image[0][0].width * texFormat->TexelBytes;
+		break;
+	default:
+		return;
+	}
+
+	t->image[0][hwlevel].data = texImage->Data;
+	srcOffset = r300GartOffsetFromVirtual(rmesa, texImage->Data);
+
+	assert(srcOffset != ~0);
+
+	/* Don't currently need to cope with small pitches?
+	 */
+	width = texImage->Width;
+	height = texImage->Height;
+
+	r300EmitWait(rmesa, RADEON_WAIT_3D);
+
+	r300EmitBlit(rmesa, blit_format,
+		     srcPitch,
+		     srcOffset,
+		     dstPitch,
+		     t->bufAddr,
+		     x,
+		     y,
+		     t->image[0][hwlevel].x + x,
+		     t->image[0][hwlevel].y + y, width, height);
+
+	r300EmitWait(rmesa, RADEON_WAIT_2D);
+}
+
+static void r300UploadRectSubImage(r300ContextPtr rmesa,
+				   r300TexObjPtr t,
+				   struct gl_texture_image *texImage,
+				   GLint x, GLint y, GLint width, GLint height)
+{
+	const struct gl_texture_format *texFormat = texImage->TexFormat;
+	int blit_format, dstPitch, done;
+
+	switch (texFormat->TexelBytes) {
+	case 1:
+		blit_format = R200_CP_COLOR_FORMAT_CI8;
+		break;
+	case 2:
+		blit_format = R200_CP_COLOR_FORMAT_RGB565;
+		break;
+	case 4:
+		blit_format = R200_CP_COLOR_FORMAT_ARGB8888;
+		break;
+	default:
+		return;
+	}
+
+	t->image[0][0].data = texImage->Data;
+
+	/* Currently don't need to cope with small pitches.
+	 */
+	width = texImage->Width;
+	height = texImage->Height;
+	dstPitch = t->pitch + 32;
+
+	if (rmesa->prefer_gart_client_texturing && texImage->IsClientData) {
+		/* In this case, could also use GART texturing.  This is
+		 * currently disabled, but has been tested & works.
+		 */
+		t->offset =
+		    r300GartOffsetFromVirtual(rmesa, texImage->Data);
+		t->pitch =
+		    texImage->RowStride * texFormat->TexelBytes - 32;
+
+		if (RADEON_DEBUG & DEBUG_TEXTURE)
+			fprintf(stderr,
+				"Using GART texturing for rectangular client texture\n");
+
+		/* Release FB memory allocated for this image:
+		 */
+		/* FIXME This may not be correct as driSwapOutTextureObject sets
+		 * FIXME dirty_images.  It may be fine, though.
+		 */
+		if (t->base.memBlock) {
+			driSwapOutTextureObject((driTextureObject *) t);
+		}
+	} else if (texImage->IsClientData) {
+		/* Data already in GART memory, with usable pitch.
+		 */
+		GLuint srcPitch;
+		srcPitch = texImage->RowStride * texFormat->TexelBytes;
+		r300EmitBlit(rmesa,
+			     blit_format,
+			     srcPitch,
+			     r300GartOffsetFromVirtual(rmesa, texImage->Data),
+			     dstPitch, t->bufAddr, 0, 0, 0, 0, width, height);
+	} else {
+		/* Data not in GART memory, or bad pitch.
+		 */
+		for (done = 0; done < height;) {
+			struct r300_dma_region region;
+			int lines =
+			    MIN2(height - done, RADEON_BUFFER_SIZE / dstPitch);
+			int src_pitch;
+			char *tex;
+
+			src_pitch = texImage->RowStride * texFormat->TexelBytes;
+
+			tex = (char *)texImage->Data + done * src_pitch;
+
+			memset(&region, 0, sizeof(region));
+			r300AllocDmaRegion(rmesa, &region, lines * dstPitch,
+					   1024);
+
+			/* Copy texdata to dma:
+			 */
+			if (0)
+				fprintf(stderr,
+					"%s: src_pitch %d dst_pitch %d\n",
+					__FUNCTION__, src_pitch, dstPitch);
+
+			if (src_pitch == dstPitch) {
+				memcpy(region.address + region.start, tex,
+				       lines * src_pitch);
+			} else {
+				char *buf = region.address + region.start;
+				int i;
+				for (i = 0; i < lines; i++) {
+					memcpy(buf, tex, src_pitch);
+					buf += dstPitch;
+					tex += src_pitch;
+				}
+			}
+
+			r300EmitWait(rmesa, RADEON_WAIT_3D);
+
+			/* Blit to framebuffer
+			 */
+			r300EmitBlit(rmesa,
+				     blit_format,
+				     dstPitch, GET_START(&region),
+				     dstPitch, t->bufAddr,
+				     0, 0, 0, done, width, lines);
+
+			r300EmitWait(rmesa, RADEON_WAIT_2D);
+
+			r300ReleaseDmaRegion(rmesa, &region, __FUNCTION__);
+			done += lines;
+		}
+	}
+}
+
+/**
+ * Upload the texture image associated with texture \a t at the specified
+ * level at the address relative to \a start.
+ */
+static void uploadSubImage(r300ContextPtr rmesa, r300TexObjPtr t,
+			   GLint hwlevel,
+			   GLint x, GLint y, GLint width, GLint height,
+			   GLuint face)
+{
+	struct gl_texture_image *texImage = NULL;
+	GLuint offset;
+	GLint imageWidth, imageHeight;
+	GLint ret;
+	drm_radeon_texture_t tex;
+	drm_radeon_tex_image_t tmp;
+	const int level = hwlevel + t->base.firstLevel;
+
+	if (RADEON_DEBUG & DEBUG_TEXTURE) {
+		fprintf(stderr,
+			"%s( %p, %p ) level/width/height/face = %d/%d/%d/%u\n",
+			__FUNCTION__, (void *)t, (void *)t->base.tObj, level,
+			width, height, face);
+	}
+
+	ASSERT(face < 6);
+
+	/* Ensure we have a valid texture to upload */
+	if ((hwlevel < 0) || (hwlevel >= RADEON_MAX_TEXTURE_LEVELS)) {
+		_mesa_problem(NULL, "bad texture level in %s", __FUNCTION__);
+		return;
+	}
+
+	texImage = t->base.tObj->Image[face][level];
+
+	if (!texImage) {
+		if (RADEON_DEBUG & DEBUG_TEXTURE)
+			fprintf(stderr, "%s: texImage %d is NULL!\n",
+				__FUNCTION__, level);
+		return;
+	}
+	if (!texImage->Data) {
+		if (RADEON_DEBUG & DEBUG_TEXTURE)
+			fprintf(stderr, "%s: image data is NULL!\n",
+				__FUNCTION__);
+		return;
+	}
+
+	if (t->base.tObj->Target == GL_TEXTURE_RECTANGLE_NV) {
+		assert(level == 0);
+		assert(hwlevel == 0);
+		if (RADEON_DEBUG & DEBUG_TEXTURE)
+			fprintf(stderr, "%s: image data is rectangular\n",
+				__FUNCTION__);
+		r300UploadRectSubImage(rmesa, t, texImage, x, y, width, height);
+		return;
+	} else if (texImage->IsClientData) {
+		if (RADEON_DEBUG & DEBUG_TEXTURE)
+			fprintf(stderr,
+				"%s: image data is in GART client storage\n",
+				__FUNCTION__);
+		r300UploadGARTClientSubImage(rmesa, t, texImage, hwlevel, x, y,
+					     width, height);
+		return;
+	} else if (RADEON_DEBUG & DEBUG_TEXTURE)
+		fprintf(stderr, "%s: image data is in normal memory\n",
+			__FUNCTION__);
+
+	imageWidth = texImage->Width;
+	imageHeight = texImage->Height;
+
+	offset = t->bufAddr;
+
+	if (RADEON_DEBUG & (DEBUG_TEXTURE | DEBUG_IOCTL)) {
+		GLint imageX = 0;
+		GLint imageY = 0;
+		GLint blitX = t->image[face][hwlevel].x;
+		GLint blitY = t->image[face][hwlevel].y;
+		GLint blitWidth = t->image[face][hwlevel].width;
+		GLint blitHeight = t->image[face][hwlevel].height;
+		fprintf(stderr, "   upload image: %d,%d at %d,%d\n",
+			imageWidth, imageHeight, imageX, imageY);
+		fprintf(stderr, "   upload  blit: %d,%d at %d,%d\n",
+			blitWidth, blitHeight, blitX, blitY);
+		fprintf(stderr, "       blit ofs: 0x%07x level: %d/%d\n",
+			(GLuint) offset, hwlevel, level);
+	}
+
+	t->image[face][hwlevel].data = texImage->Data;
+
+	/* Init the DRM_RADEON_TEXTURE command / drm_radeon_texture_t struct.
+	 * NOTE: we're always use a 1KB-wide blit and I8 texture format.
+	 * We used to use 1, 2 and 4-byte texels and used to use the texture
+	 * width to dictate the blit width - but that won't work for compressed
+	 * textures. (Brian)
+	 */
+	tex.offset = offset;
+	tex.pitch = BLIT_WIDTH_BYTES / 64;
+	tex.format = R200_TXFORMAT_I8;	/* any 1-byte texel format */
+	if (texImage->TexFormat->TexelBytes) {
+		tex.width = imageWidth * texImage->TexFormat->TexelBytes;	/* in bytes */
+		tex.height = imageHeight;
+	} else {
+		tex.width = imageWidth;	/* compressed */
+		tex.height = imageHeight;
+		if (tex.height < 4)
+			tex.height = 4;
+	}
+	tex.image = &tmp;
+
+	/* copy (x,y,width,height,data) */
+	memcpy(&tmp, &t->image[face][hwlevel], sizeof(tmp));
+
+	LOCK_HARDWARE(&rmesa->radeon);
+	do {
+		ret = drmCommandWriteRead(rmesa->radeon.dri.fd, DRM_RADEON_TEXTURE,
+					  &tex, sizeof(drm_radeon_texture_t));
+		if (ret) {
+			if (RADEON_DEBUG & DEBUG_IOCTL)
+				fprintf(stderr,
+					"DRM_RADEON_TEXTURE:  again!\n");
+			usleep(1);
+		}
+	} while (ret && errno == EAGAIN);
+
+	UNLOCK_HARDWARE(&rmesa->radeon);
+
+	if (ret) {
+		fprintf(stderr, "DRM_RADEON_TEXTURE: return = %d\n", ret);
+		fprintf(stderr, "   offset=0x%08x\n", offset);
+		fprintf(stderr, "   image width=%d height=%d\n",
+			imageWidth, imageHeight);
+		fprintf(stderr, "    blit width=%d height=%d data=%p\n",
+			t->image[face][hwlevel].width,
+			t->image[face][hwlevel].height,
+			t->image[face][hwlevel].data);
+		exit(1);
+	}
+}
+
+/**
+ * Upload the texture images associated with texture \a t.  This might
+ * require the allocation of texture memory.
+ *
+ * \param rmesa Context pointer
+ * \param t Texture to be uploaded
+ * \param face Cube map face to be uploaded.  Zero for non-cube maps.
+ */
+
+int r300UploadTexImages(r300ContextPtr rmesa, r300TexObjPtr t, GLuint face)
+{
+	const int numLevels = t->base.lastLevel - t->base.firstLevel + 1;
+
+	if (RADEON_DEBUG & (DEBUG_TEXTURE | DEBUG_IOCTL)) {
+		fprintf(stderr, "%s( %p, %p ) sz=%d lvls=%d-%d\n", __FUNCTION__,
+			(void *)rmesa->radeon.glCtx, (void *)t->base.tObj,
+			t->base.totalSize, t->base.firstLevel,
+			t->base.lastLevel);
+	}
+
+	if (!t || t->base.totalSize == 0)
+		return 0;
+
+	if (RADEON_DEBUG & DEBUG_SYNC) {
+		fprintf(stderr, "%s: Syncing\n", __FUNCTION__);
+		radeonFinish(rmesa->radeon.glCtx);
+	}
+
+	LOCK_HARDWARE(&rmesa->radeon);
+
+	if (t->base.memBlock == NULL) {
+		int heap;
+
+		heap = driAllocateTexture(rmesa->texture_heaps, rmesa->nr_heaps,
+					  (driTextureObject *) t);
+		if (heap == -1) {
+			UNLOCK_HARDWARE(&rmesa->radeon);
+			return -1;
+		}
+
+		/* Set the base offset of the texture image */
+		t->bufAddr = rmesa->radeon.radeonScreen->texOffset[heap]
+		    + t->base.memBlock->ofs;
+		t->offset = t->bufAddr;
+
+		/* Mark this texobj as dirty on all units:
+		 */
+		t->dirty_state = TEX_ALL;
+	}
+
+	/* Let the world know we've used this memory recently.
+	 */
+	driUpdateTextureLRU((driTextureObject *) t);
+	UNLOCK_HARDWARE(&rmesa->radeon);
+
+	/* Upload any images that are new */
+	if (t->base.dirty_images[face]) {
+		int i;
+		for (i = 0; i < numLevels; i++) {
+			if ((t->base.
+			     dirty_images[face] & (1 <<
+						   (i + t->base.firstLevel))) !=
+			    0) {
+				uploadSubImage(rmesa, t, i, 0, 0,
+					       t->image[face][i].width,
+					       t->image[face][i].height, face);
+			}
+		}
+		t->base.dirty_images[face] = 0;
+	}
+
+	if (RADEON_DEBUG & DEBUG_SYNC) {
+		fprintf(stderr, "%s: Syncing\n", __FUNCTION__);
+		radeonFinish(rmesa->radeon.glCtx);
+	}
+
+	return 0;
+}
diff --git a/src/mesa/drivers/dri/r300/r300_texstate.c b/src/mesa/drivers/dri/r300/r300_texstate.c
new file mode 100644
index 0000000000..6962bb3ddb
--- /dev/null
+++ b/src/mesa/drivers/dri/r300/r300_texstate.c
@@ -0,0 +1,1390 @@
+/* $XFree86: xc/lib/GL/mesa/src/drv/r300/r300_texstate.c,v 1.3 2003/02/15 22:18:47 dawes Exp $ */
+/*
+Copyright (C) The Weather Channel, Inc.  2002.  All Rights Reserved.
+
+The Weather Channel (TM) funded Tungsten Graphics to develop the
+initial release of the Radeon 8500 driver under the XFree86 license.
+This notice must be preserved.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice (including the
+next paragraph) shall be included in all copies or substantial
+portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+**************************************************************************/
+
+/*
+ * Authors:
+ *   Keith Whitwell <keith@tungstengraphics.com>
+ */
+
+#include "glheader.h"
+#include "imports.h"
+#include "context.h"
+#include "macros.h"
+#include "texformat.h"
+#include "enums.h"
+
+#include "r300_context.h"
+#include "r300_state.h"
+#include "radeon_ioctl.h"
+//#include "r300_swtcl.h"
+#include "r300_tex.h"
+//#include "r300_tcl.h"
+
+#define R200_TXFORMAT_A8        R200_TXFORMAT_I8
+#define R200_TXFORMAT_L8        R200_TXFORMAT_I8
+#define R200_TXFORMAT_AL88      R200_TXFORMAT_AI88
+#define R200_TXFORMAT_YCBCR     R200_TXFORMAT_YVYU422
+#define R200_TXFORMAT_YCBCR_REV R200_TXFORMAT_VYUY422
+
+#define _COLOR(f) \
+    [ MESA_FORMAT_ ## f ] = { R200_TXFORMAT_ ## f, 0 }
+#define _COLOR_REV(f) \
+    [ MESA_FORMAT_ ## f ## _REV ] = { R200_TXFORMAT_ ## f, 0 }
+#define _ALPHA(f) \
+    [ MESA_FORMAT_ ## f ] = { R200_TXFORMAT_ ## f | R200_TXFORMAT_ALPHA_IN_MAP, 0 }
+#define _ALPHA_REV(f) \
+    [ MESA_FORMAT_ ## f ## _REV ] = { R200_TXFORMAT_ ## f | R200_TXFORMAT_ALPHA_IN_MAP, 0 }
+#define _YUV(f) \
+    [ MESA_FORMAT_ ## f ] = { R200_TXFORMAT_ ## f, R200_YUV_TO_RGB }
+#define _INVALID(f) \
+    [ MESA_FORMAT_ ## f ] = { 0xffffffff, 0 }
+#define VALID_FORMAT(f) ( ((f) <= MESA_FORMAT_YCBCR_REV) \
+			     && (tx_table[f].format != 0xffffffff) )
+
+static const struct {
+	GLuint format, filter;
+} tx_table[] = {
+_ALPHA(RGBA8888),
+	    _ALPHA_REV(RGBA8888),
+	    _ALPHA(ARGB8888),
+	    _ALPHA_REV(ARGB8888),
+	    _INVALID(RGB888),
+	    _COLOR(RGB565),
+	    _COLOR_REV(RGB565),
+	    _ALPHA(ARGB4444),
+	    _ALPHA_REV(ARGB4444),
+	    _ALPHA(ARGB1555),
+	    _ALPHA_REV(ARGB1555),
+	    _ALPHA(AL88),
+	    _ALPHA_REV(AL88),
+	    _ALPHA(A8),
+	    _COLOR(L8),
+	    _ALPHA(I8), _INVALID(CI8), _YUV(YCBCR), _YUV(YCBCR_REV),};
+
+#undef _COLOR
+#undef _ALPHA
+#undef _INVALID
+
+/**
+ * This function computes the number of bytes of storage needed for
+ * the given texture object (all mipmap levels, all cube faces).
+ * The \c image[face][level].x/y/width/height parameters for upload/blitting
+ * are computed here.  \c filter, \c format, etc. will be set here
+ * too.
+ *
+ * \param rmesa Context pointer
+ * \param tObj GL texture object whose images are to be posted to
+ *                 hardware state.
+ */
+static void r300SetTexImages(r300ContextPtr rmesa,
+			     struct gl_texture_object *tObj)
+{
+	r300TexObjPtr t = (r300TexObjPtr) tObj->DriverData;
+	const struct gl_texture_image *baseImage =
+	    tObj->Image[0][tObj->BaseLevel];
+	GLint curOffset;
+	GLint i;
+	GLint numLevels;
+	GLint log2Width, log2Height, log2Depth;
+
+	/* Set the hardware texture format
+	 */
+
+	t->format &= ~(R200_TXFORMAT_FORMAT_MASK |
+			    R200_TXFORMAT_ALPHA_IN_MAP);
+	t->filter &= ~R200_YUV_TO_RGB;
+
+	if (VALID_FORMAT(baseImage->TexFormat->MesaFormat)) {
+		t->format |=
+		    tx_table[baseImage->TexFormat->MesaFormat].format;
+		t->filter |=
+		    tx_table[baseImage->TexFormat->MesaFormat].filter;
+	} else {
+		_mesa_problem(NULL, "unexpected texture format in %s",
+			      __FUNCTION__);
+		return;
+	}
+
+	/* Compute which mipmap levels we really want to send to the hardware.
+	 */
+
+	driCalculateTextureFirstLastLevel((driTextureObject *) t);
+	log2Width = tObj->Image[0][t->base.firstLevel]->WidthLog2;
+	log2Height = tObj->Image[0][t->base.firstLevel]->HeightLog2;
+	log2Depth = tObj->Image[0][t->base.firstLevel]->DepthLog2;
+
+	numLevels = t->base.lastLevel - t->base.firstLevel + 1;
+
+	assert(numLevels <= RADEON_MAX_TEXTURE_LEVELS);
+
+	/* Calculate mipmap offsets and dimensions for blitting (uploading)
+	 * The idea is that we lay out the mipmap levels within a block of
+	 * memory organized as a rectangle of width BLIT_WIDTH_BYTES.
+	 */
+	curOffset = 0;
+
+	for (i = 0; i < numLevels; i++) {
+		const struct gl_texture_image *texImage;
+		GLuint size;
+
+		texImage = tObj->Image[0][i + t->base.firstLevel];
+		if (!texImage)
+			break;
+
+		/* find image size in bytes */
+		if (texImage->IsCompressed) {
+			size = texImage->CompressedSize;
+		} else if (tObj->Target == GL_TEXTURE_RECTANGLE_NV) {
+			size =
+			    ((texImage->Width *
+			      texImage->TexFormat->TexelBytes + 63)
+			     & ~63) * texImage->Height;
+		} else {
+			int w =
+			    texImage->Width * texImage->TexFormat->TexelBytes;
+			if (w < 32)
+				w = 32;
+			size = w * texImage->Height * texImage->Depth;
+		}
+		assert(size > 0);
+
+		/* Align to 32-byte offset.  It is faster to do this unconditionally
+		 * (no branch penalty).
+		 */
+
+		curOffset = (curOffset + 0x1f) & ~0x1f;
+
+		t->image[0][i].x = curOffset % BLIT_WIDTH_BYTES;
+		t->image[0][i].y = curOffset / BLIT_WIDTH_BYTES;
+		t->image[0][i].width = MIN2(size, BLIT_WIDTH_BYTES);
+		t->image[0][i].height = size / t->image[0][i].width;
+
+#if 0
+		/* for debugging only and only  applicable to non-rectangle targets */
+		assert(size % t->image[0][i].width == 0);
+		assert(t->image[0][i].x == 0
+		       || (size < BLIT_WIDTH_BYTES
+			   && t->image[0][i].height == 1));
+#endif
+
+		if (0)
+			fprintf(stderr,
+				"level %d: %dx%d x=%d y=%d w=%d h=%d size=%d at %d\n",
+				i, texImage->Width, texImage->Height,
+				t->image[0][i].x, t->image[0][i].y,
+				t->image[0][i].width, t->image[0][i].height,
+				size, curOffset);
+
+		curOffset += size;
+
+	}
+
+	/* Align the total size of texture memory block.
+	 */
+	t->base.totalSize =
+	    (curOffset + RADEON_OFFSET_MASK) & ~RADEON_OFFSET_MASK;
+
+	/* Setup remaining cube face blits, if needed */
+	if (tObj->Target == GL_TEXTURE_CUBE_MAP) {
+		/* Round totalSize up to multiple of BLIT_WIDTH_BYTES */
+		const GLuint faceSize =
+		    (t->base.totalSize + BLIT_WIDTH_BYTES - 1)
+		    & ~(BLIT_WIDTH_BYTES - 1);
+		const GLuint lines = faceSize / BLIT_WIDTH_BYTES;
+		GLuint face;
+		/* reuse face 0 x/y/width/height - just adjust y */
+		for (face = 1; face < 6; face++) {
+			for (i = 0; i < numLevels; i++) {
+				t->image[face][i].x = t->image[0][i].x;
+				t->image[face][i].y =
+				    t->image[0][i].y + face * lines;
+				t->image[face][i].width = t->image[0][i].width;
+				t->image[face][i].height =
+				    t->image[0][i].height;
+			}
+		}
+		t->base.totalSize = 6 * faceSize;	/* total texmem needed */
+	}
+
+	/* Hardware state:
+	 */
+	t->filter &= ~R200_MAX_MIP_LEVEL_MASK;
+	t->filter |= (numLevels - 1) << R200_MAX_MIP_LEVEL_SHIFT;
+
+	t->format &= ~(R200_TXFORMAT_WIDTH_MASK |
+			    R200_TXFORMAT_HEIGHT_MASK |
+			    R200_TXFORMAT_CUBIC_MAP_ENABLE |
+			    R200_TXFORMAT_F5_WIDTH_MASK |
+			    R200_TXFORMAT_F5_HEIGHT_MASK);
+	t->format |= ((log2Width << R200_TXFORMAT_WIDTH_SHIFT) |
+			   (log2Height << R200_TXFORMAT_HEIGHT_SHIFT));
+
+	#if 0
+	t->format_x &= ~(R200_DEPTH_LOG2_MASK | R200_TEXCOORD_MASK);
+	if (tObj->Target == GL_TEXTURE_3D) {
+		t->format_x |= (log2Depth << R200_DEPTH_LOG2_SHIFT);
+		t->format_x |= R200_TEXCOORD_VOLUME;
+	} else if (tObj->Target == GL_TEXTURE_CUBE_MAP) {
+		ASSERT(log2Width == log2height);
+		t->format |= ((log2Width << R200_TXFORMAT_F5_WIDTH_SHIFT) |
+				   (log2Height << R200_TXFORMAT_F5_HEIGHT_SHIFT)
+				   | (R200_TXFORMAT_CUBIC_MAP_ENABLE));
+		t->format_x |= R200_TEXCOORD_CUBIC_ENV;
+		t->pp_cubic_faces = ((log2Width << R200_FACE_WIDTH_1_SHIFT) |
+				     (log2Height << R200_FACE_HEIGHT_1_SHIFT) |
+				     (log2Width << R200_FACE_WIDTH_2_SHIFT) |
+				     (log2Height << R200_FACE_HEIGHT_2_SHIFT) |
+				     (log2Width << R200_FACE_WIDTH_3_SHIFT) |
+				     (log2Height << R200_FACE_HEIGHT_3_SHIFT) |
+				     (log2Width << R200_FACE_WIDTH_4_SHIFT) |
+				     (log2Height << R200_FACE_HEIGHT_4_SHIFT));
+	}
+	#endif
+	
+	t->size = (((tObj->Image[0][t->base.firstLevel]->Width - 1) << 0) |
+			((tObj->Image[0][t->base.firstLevel]->Height -
+			  1) << 16));
+
+	/* Only need to round to nearest 32 for textures, but the blitter
+	 * requires 64-byte aligned pitches, and we may/may not need the
+	 * blitter.   NPOT only!
+	 */
+	if (baseImage->IsCompressed)
+		t->pitch =
+		    (tObj->Image[0][t->base.firstLevel]->Width + 63) & ~(63);
+	else
+		t->pitch =
+		    ((tObj->Image[0][t->base.firstLevel]->Width *
+		      baseImage->TexFormat->TexelBytes) + 63) & ~(63);
+	t->pitch -= 32;
+
+	t->dirty_state = TEX_ALL;
+
+	/* FYI: r300UploadTexImages( rmesa, t ) used to be called here */
+}
+
+/* ================================================================
+ * Texture combine functions
+ */
+
+/* GL_ARB_texture_env_combine support
+ */
+
+/* The color tables have combine functions for GL_SRC_COLOR,
+ * GL_ONE_MINUS_SRC_COLOR, GL_SRC_ALPHA and GL_ONE_MINUS_SRC_ALPHA.
+ */
+static GLuint r300_register_color[][R200_MAX_TEXTURE_UNITS] = {
+	{
+	 R200_TXC_ARG_A_R0_COLOR,
+	 R200_TXC_ARG_A_R1_COLOR,
+	 R200_TXC_ARG_A_R2_COLOR,
+	 R200_TXC_ARG_A_R3_COLOR,
+	 R200_TXC_ARG_A_R4_COLOR,
+	 R200_TXC_ARG_A_R5_COLOR},
+	{
+	 R200_TXC_ARG_A_R0_COLOR | R200_TXC_COMP_ARG_A,
+	 R200_TXC_ARG_A_R1_COLOR | R200_TXC_COMP_ARG_A,
+	 R200_TXC_ARG_A_R2_COLOR | R200_TXC_COMP_ARG_A,
+	 R200_TXC_ARG_A_R3_COLOR | R200_TXC_COMP_ARG_A,
+	 R200_TXC_ARG_A_R4_COLOR | R200_TXC_COMP_ARG_A,
+	 R200_TXC_ARG_A_R5_COLOR | R200_TXC_COMP_ARG_A},
+	{
+	 R200_TXC_ARG_A_R0_ALPHA,
+	 R200_TXC_ARG_A_R1_ALPHA,
+	 R200_TXC_ARG_A_R2_ALPHA,
+	 R200_TXC_ARG_A_R3_ALPHA,
+	 R200_TXC_ARG_A_R4_ALPHA,
+	 R200_TXC_ARG_A_R5_ALPHA},
+	{
+	 R200_TXC_ARG_A_R0_ALPHA | R200_TXC_COMP_ARG_A,
+	 R200_TXC_ARG_A_R1_ALPHA | R200_TXC_COMP_ARG_A,
+	 R200_TXC_ARG_A_R2_ALPHA | R200_TXC_COMP_ARG_A,
+	 R200_TXC_ARG_A_R3_ALPHA | R200_TXC_COMP_ARG_A,
+	 R200_TXC_ARG_A_R4_ALPHA | R200_TXC_COMP_ARG_A,
+	 R200_TXC_ARG_A_R5_ALPHA | R200_TXC_COMP_ARG_A},
+};
+
+static GLuint r300_tfactor_color[] = {
+	R200_TXC_ARG_A_TFACTOR_COLOR,
+	R200_TXC_ARG_A_TFACTOR_COLOR | R200_TXC_COMP_ARG_A,
+	R200_TXC_ARG_A_TFACTOR_ALPHA,
+	R200_TXC_ARG_A_TFACTOR_ALPHA | R200_TXC_COMP_ARG_A
+};
+
+static GLuint r300_primary_color[] = {
+	R200_TXC_ARG_A_DIFFUSE_COLOR,
+	R200_TXC_ARG_A_DIFFUSE_COLOR | R200_TXC_COMP_ARG_A,
+	R200_TXC_ARG_A_DIFFUSE_ALPHA,
+	R200_TXC_ARG_A_DIFFUSE_ALPHA | R200_TXC_COMP_ARG_A
+};
+
+/* GL_ZERO table - indices 0-3
+ * GL_ONE  table - indices 1-4
+ */
+static GLuint r300_zero_color[] = {
+	R200_TXC_ARG_A_ZERO,
+	R200_TXC_ARG_A_ZERO | R200_TXC_COMP_ARG_A,
+	R200_TXC_ARG_A_ZERO,
+	R200_TXC_ARG_A_ZERO | R200_TXC_COMP_ARG_A,
+	R200_TXC_ARG_A_ZERO
+};
+
+/* The alpha tables only have GL_SRC_ALPHA and GL_ONE_MINUS_SRC_ALPHA.
+ */
+static GLuint r300_register_alpha[][R200_MAX_TEXTURE_UNITS] = {
+	{
+	 R200_TXA_ARG_A_R0_ALPHA,
+	 R200_TXA_ARG_A_R1_ALPHA,
+	 R200_TXA_ARG_A_R2_ALPHA,
+	 R200_TXA_ARG_A_R3_ALPHA,
+	 R200_TXA_ARG_A_R4_ALPHA,
+	 R200_TXA_ARG_A_R5_ALPHA},
+	{
+	 R200_TXA_ARG_A_R0_ALPHA | R200_TXA_COMP_ARG_A,
+	 R200_TXA_ARG_A_R1_ALPHA | R200_TXA_COMP_ARG_A,
+	 R200_TXA_ARG_A_R2_ALPHA | R200_TXA_COMP_ARG_A,
+	 R200_TXA_ARG_A_R3_ALPHA | R200_TXA_COMP_ARG_A,
+	 R200_TXA_ARG_A_R4_ALPHA | R200_TXA_COMP_ARG_A,
+	 R200_TXA_ARG_A_R5_ALPHA | R200_TXA_COMP_ARG_A},
+};
+
+static GLuint r300_tfactor_alpha[] = {
+	R200_TXA_ARG_A_TFACTOR_ALPHA,
+	R200_TXA_ARG_A_TFACTOR_ALPHA | R200_TXA_COMP_ARG_A
+};
+
+static GLuint r300_primary_alpha[] = {
+	R200_TXA_ARG_A_DIFFUSE_ALPHA,
+	R200_TXA_ARG_A_DIFFUSE_ALPHA | R200_TXA_COMP_ARG_A
+};
+
+/* GL_ZERO table - indices 0-1
+ * GL_ONE  table - indices 1-2
+ */
+static GLuint r300_zero_alpha[] = {
+	R200_TXA_ARG_A_ZERO,
+	R200_TXA_ARG_A_ZERO | R200_TXA_COMP_ARG_A,
+	R200_TXA_ARG_A_ZERO,
+};
+
+/* Extract the arg from slot A, shift it into the correct argument slot
+ * and set the corresponding complement bit.
+ */
+#define R200_COLOR_ARG( n, arg )			\
+do {							\
+   color_combine |=					\
+      ((color_arg[n] & R200_TXC_ARG_A_MASK)		\
+       << R200_TXC_ARG_##arg##_SHIFT);			\
+   color_combine |=					\
+      ((color_arg[n] >> R200_TXC_COMP_ARG_A_SHIFT)	\
+       << R200_TXC_COMP_ARG_##arg##_SHIFT);		\
+} while (0)
+
+#define R200_ALPHA_ARG( n, arg )			\
+do {							\
+   alpha_combine |=					\
+      ((alpha_arg[n] & R200_TXA_ARG_A_MASK)		\
+       << R200_TXA_ARG_##arg##_SHIFT);			\
+   alpha_combine |=					\
+      ((alpha_arg[n] >> R200_TXA_COMP_ARG_A_SHIFT)	\
+       << R200_TXA_COMP_ARG_##arg##_SHIFT);		\
+} while (0)
+
+/* ================================================================
+ * Texture unit state management
+ */
+
+static GLboolean r300UpdateTextureEnv(GLcontext * ctx, int unit)
+{
+	r300ContextPtr rmesa = R300_CONTEXT(ctx);
+	const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
+	GLuint color_combine, alpha_combine;
+	
+	#if 0 /* disable for now.. */
+	GLuint color_scale = rmesa->hw.pix[unit].cmd[PIX_PP_TXCBLEND2] &
+	    ~(R200_TXC_SCALE_MASK);
+	GLuint alpha_scale = rmesa->hw.pix[unit].cmd[PIX_PP_TXABLEND2] &
+	    ~(R200_TXA_DOT_ALPHA | R200_TXA_SCALE_MASK);
+
+	/* texUnit->_Current can be NULL if and only if the texture unit is
+	 * not actually enabled.
+	 */
+	assert((texUnit->_ReallyEnabled == 0)
+	       || (texUnit->_Current != NULL));
+
+	if (RADEON_DEBUG & DEBUG_TEXTURE) {
+		fprintf(stderr, "%s( %p, %d )\n", __FUNCTION__, (void *)ctx,
+			unit);
+	}
+
+	/* Set the texture environment state.  Isn't this nice and clean?
+	 * The chip will automagically set the texture alpha to 0xff when
+	 * the texture format does not include an alpha component.  This
+	 * reduces the amount of special-casing we have to do, alpha-only
+	 * textures being a notable exception.
+	 */
+	/* Don't cache these results.
+	 */
+	rmesa->state.texture.unit[unit].format = 0;
+	rmesa->state.texture.unit[unit].envMode = 0;
+
+	if (!texUnit->_ReallyEnabled) {
+		if (unit == 0) {
+			color_combine =
+			    R200_TXC_ARG_A_ZERO | R200_TXC_ARG_B_ZERO |
+			    R200_TXC_ARG_C_DIFFUSE_COLOR | R200_TXC_OP_MADD;
+			alpha_combine =
+			    R200_TXA_ARG_A_ZERO | R200_TXA_ARG_B_ZERO |
+			    R200_TXA_ARG_C_DIFFUSE_ALPHA | R200_TXA_OP_MADD;
+		} else {
+			color_combine =
+			    R200_TXC_ARG_A_ZERO | R200_TXC_ARG_B_ZERO |
+			    R200_TXC_ARG_C_R0_COLOR | R200_TXC_OP_MADD;
+			alpha_combine =
+			    R200_TXA_ARG_A_ZERO | R200_TXA_ARG_B_ZERO |
+			    R200_TXA_ARG_C_R0_ALPHA | R200_TXA_OP_MADD;
+		}
+	} else {
+		GLuint color_arg[3], alpha_arg[3];
+		GLuint i;
+		const GLuint numColorArgs =
+		    texUnit->_CurrentCombine->_NumArgsRGB;
+		const GLuint numAlphaArgs = texUnit->_CurrentCombine->_NumArgsA;
+		GLuint RGBshift = texUnit->_CurrentCombine->ScaleShiftRGB;
+		GLuint Ashift = texUnit->_CurrentCombine->ScaleShiftA;
+
+		/* Step 1:
+		 * Extract the color and alpha combine function arguments.
+		 */
+		for (i = 0; i < numColorArgs; i++) {
+			const GLint op =
+			    texUnit->_CurrentCombine->OperandRGB[i] -
+			    GL_SRC_COLOR;
+			assert(op >= 0);
+			assert(op <= 3);
+			switch (texUnit->_CurrentCombine->SourceRGB[i]) {
+			case GL_TEXTURE:
+				color_arg[i] = r300_register_color[op][unit];
+				break;
+			case GL_CONSTANT:
+				color_arg[i] = r300_tfactor_color[op];
+				break;
+			case GL_PRIMARY_COLOR:
+				color_arg[i] = r300_primary_color[op];
+				break;
+			case GL_PREVIOUS:
+				if (unit == 0)
+					color_arg[i] = r300_primary_color[op];
+				else
+					color_arg[i] =
+					    r300_register_color[op][0];
+				break;
+			case GL_ZERO:
+				color_arg[i] = r300_zero_color[op];
+				break;
+			case GL_ONE:
+				color_arg[i] = r300_zero_color[op + 1];
+				break;
+			default:
+				return GL_FALSE;
+			}
+		}
+
+		for (i = 0; i < numAlphaArgs; i++) {
+			const GLint op =
+			    texUnit->_CurrentCombine->OperandA[i] -
+			    GL_SRC_ALPHA;
+			assert(op >= 0);
+			assert(op <= 1);
+			switch (texUnit->_CurrentCombine->SourceA[i]) {
+			case GL_TEXTURE:
+				alpha_arg[i] = r300_register_alpha[op][unit];
+				break;
+			case GL_CONSTANT:
+				alpha_arg[i] = r300_tfactor_alpha[op];
+				break;
+			case GL_PRIMARY_COLOR:
+				alpha_arg[i] = r300_primary_alpha[op];
+				break;
+			case GL_PREVIOUS:
+				if (unit == 0)
+					alpha_arg[i] = r300_primary_alpha[op];
+				else
+					alpha_arg[i] =
+					    r300_register_alpha[op][0];
+				break;
+			case GL_ZERO:
+				alpha_arg[i] = r300_zero_alpha[op];
+				break;
+			case GL_ONE:
+				alpha_arg[i] = r300_zero_alpha[op + 1];
+				break;
+			default:
+				return GL_FALSE;
+			}
+		}
+
+		/* Step 2:
+		 * Build up the color and alpha combine functions.
+		 */
+		switch (texUnit->_CurrentCombine->ModeRGB) {
+		case GL_REPLACE:
+			color_combine = (R200_TXC_ARG_A_ZERO |
+					 R200_TXC_ARG_B_ZERO |
+					 R200_TXC_OP_MADD);
+			R200_COLOR_ARG(0, C);
+			break;
+		case GL_MODULATE:
+			color_combine = (R200_TXC_ARG_C_ZERO |
+					 R200_TXC_OP_MADD);
+			R200_COLOR_ARG(0, A);
+			R200_COLOR_ARG(1, B);
+			break;
+		case GL_ADD:
+			color_combine = (R200_TXC_ARG_B_ZERO |
+					 R200_TXC_COMP_ARG_B |
+					 R200_TXC_OP_MADD);
+			R200_COLOR_ARG(0, A);
+			R200_COLOR_ARG(1, C);
+			break;
+		case GL_ADD_SIGNED:
+			color_combine = (R200_TXC_ARG_B_ZERO | R200_TXC_COMP_ARG_B | R200_TXC_BIAS_ARG_C |	/* new */
+					 R200_TXC_OP_MADD);	/* was ADDSIGNED */
+			R200_COLOR_ARG(0, A);
+			R200_COLOR_ARG(1, C);
+			break;
+		case GL_SUBTRACT:
+			color_combine = (R200_TXC_ARG_B_ZERO |
+					 R200_TXC_COMP_ARG_B |
+					 R200_TXC_NEG_ARG_C | R200_TXC_OP_MADD);
+			R200_COLOR_ARG(0, A);
+			R200_COLOR_ARG(1, C);
+			break;
+		case GL_INTERPOLATE:
+			color_combine = (R200_TXC_OP_LERP);
+			R200_COLOR_ARG(0, B);
+			R200_COLOR_ARG(1, A);
+			R200_COLOR_ARG(2, C);
+			break;
+
+		case GL_DOT3_RGB_EXT:
+		case GL_DOT3_RGBA_EXT:
+			/* The EXT version of the DOT3 extension does not support the
+			 * scale factor, but the ARB version (and the version in OpenGL
+			 * 1.3) does.
+			 */
+			RGBshift = 0;
+			/* FALLTHROUGH */
+
+		case GL_DOT3_RGB:
+		case GL_DOT3_RGBA:
+			/* DOT3 works differently on R200 than on R100.  On R100, just
+			 * setting the DOT3 mode did everything for you.  On R200, the
+			 * driver has to enable the biasing and scale in the inputs to
+			 * put them in the proper [-1,1] range.  This is what the 4x and
+			 * the -0.5 in the DOT3 spec do.  The post-scale is then set
+			 * normally.
+			 */
+
+			color_combine = (R200_TXC_ARG_C_ZERO |
+					 R200_TXC_OP_DOT3 |
+					 R200_TXC_BIAS_ARG_A |
+					 R200_TXC_BIAS_ARG_B |
+					 R200_TXC_SCALE_ARG_A |
+					 R200_TXC_SCALE_ARG_B);
+			R200_COLOR_ARG(0, A);
+			R200_COLOR_ARG(1, B);
+			break;
+
+		case GL_MODULATE_ADD_ATI:
+			color_combine = (R200_TXC_OP_MADD);
+			R200_COLOR_ARG(0, A);
+			R200_COLOR_ARG(1, C);
+			R200_COLOR_ARG(2, B);
+			break;
+		case GL_MODULATE_SIGNED_ADD_ATI:
+			color_combine = (R200_TXC_BIAS_ARG_C |	/* new */
+					 R200_TXC_OP_MADD);	/* was ADDSIGNED */
+			R200_COLOR_ARG(0, A);
+			R200_COLOR_ARG(1, C);
+			R200_COLOR_ARG(2, B);
+			break;
+		case GL_MODULATE_SUBTRACT_ATI:
+			color_combine = (R200_TXC_NEG_ARG_C | R200_TXC_OP_MADD);
+			R200_COLOR_ARG(0, A);
+			R200_COLOR_ARG(1, C);
+			R200_COLOR_ARG(2, B);
+			break;
+		default:
+			return GL_FALSE;
+		}
+
+		switch (texUnit->_CurrentCombine->ModeA) {
+		case GL_REPLACE:
+			alpha_combine = (R200_TXA_ARG_A_ZERO |
+					 R200_TXA_ARG_B_ZERO |
+					 R200_TXA_OP_MADD);
+			R200_ALPHA_ARG(0, C);
+			break;
+		case GL_MODULATE:
+			alpha_combine = (R200_TXA_ARG_C_ZERO |
+					 R200_TXA_OP_MADD);
+			R200_ALPHA_ARG(0, A);
+			R200_ALPHA_ARG(1, B);
+			break;
+		case GL_ADD:
+			alpha_combine = (R200_TXA_ARG_B_ZERO |
+					 R200_TXA_COMP_ARG_B |
+					 R200_TXA_OP_MADD);
+			R200_ALPHA_ARG(0, A);
+			R200_ALPHA_ARG(1, C);
+			break;
+		case GL_ADD_SIGNED:
+			alpha_combine = (R200_TXA_ARG_B_ZERO | R200_TXA_COMP_ARG_B | R200_TXA_BIAS_ARG_C |	/* new */
+					 R200_TXA_OP_MADD);	/* was ADDSIGNED */
+			R200_ALPHA_ARG(0, A);
+			R200_ALPHA_ARG(1, C);
+			break;
+		case GL_SUBTRACT:
+			alpha_combine = (R200_TXA_ARG_B_ZERO |
+					 R200_TXA_COMP_ARG_B |
+					 R200_TXA_NEG_ARG_C | R200_TXA_OP_MADD);
+			R200_ALPHA_ARG(0, A);
+			R200_ALPHA_ARG(1, C);
+			break;
+		case GL_INTERPOLATE:
+			alpha_combine = (R200_TXA_OP_LERP);
+			R200_ALPHA_ARG(0, B);
+			R200_ALPHA_ARG(1, A);
+			R200_ALPHA_ARG(2, C);
+			break;
+
+		case GL_MODULATE_ADD_ATI:
+			alpha_combine = (R200_TXA_OP_MADD);
+			R200_ALPHA_ARG(0, A);
+			R200_ALPHA_ARG(1, C);
+			R200_ALPHA_ARG(2, B);
+			break;
+		case GL_MODULATE_SIGNED_ADD_ATI:
+			alpha_combine = (R200_TXA_BIAS_ARG_C |	/* new */
+					 R200_TXA_OP_MADD);	/* was ADDSIGNED */
+			R200_ALPHA_ARG(0, A);
+			R200_ALPHA_ARG(1, C);
+			R200_ALPHA_ARG(2, B);
+			break;
+		case GL_MODULATE_SUBTRACT_ATI:
+			alpha_combine = (R200_TXA_NEG_ARG_C | R200_TXA_OP_MADD);
+			R200_ALPHA_ARG(0, A);
+			R200_ALPHA_ARG(1, C);
+			R200_ALPHA_ARG(2, B);
+			break;
+		default:
+			return GL_FALSE;
+		}
+
+		if ((texUnit->_CurrentCombine->ModeRGB == GL_DOT3_RGBA_EXT)
+		    || (texUnit->_CurrentCombine->ModeRGB == GL_DOT3_RGBA)) {
+			alpha_scale |= R200_TXA_DOT_ALPHA;
+			Ashift = RGBshift;
+		}
+
+		/* Step 3:
+		 * Apply the scale factor.
+		 */
+		color_scale |= (RGBshift << R200_TXC_SCALE_SHIFT);
+		alpha_scale |= (Ashift << R200_TXA_SCALE_SHIFT);
+
+		/* All done!
+		 */
+	}
+
+	if (rmesa->hw.pix[unit].cmd[PIX_PP_TXCBLEND] != color_combine ||
+	    rmesa->hw.pix[unit].cmd[PIX_PP_TXABLEND] != alpha_combine ||
+	    rmesa->hw.pix[unit].cmd[PIX_PP_TXCBLEND2] != color_scale ||
+	    rmesa->hw.pix[unit].cmd[PIX_PP_TXABLEND2] != alpha_scale) {
+		R300_STATECHANGE(rmesa, pix[unit]);
+		rmesa->hw.pix[unit].cmd[PIX_PP_TXCBLEND] = color_combine;
+		rmesa->hw.pix[unit].cmd[PIX_PP_TXABLEND] = alpha_combine;
+		rmesa->hw.pix[unit].cmd[PIX_PP_TXCBLEND2] = color_scale;
+		rmesa->hw.pix[unit].cmd[PIX_PP_TXABLEND2] = alpha_scale;
+	}
+
+	#endif
+	
+	return GL_TRUE;
+}
+
+#define TEXOBJ_TXFILTER_MASK (R200_MAX_MIP_LEVEL_MASK |		\
+			      R200_MIN_FILTER_MASK | 		\
+			      R200_MAG_FILTER_MASK |		\
+			      R200_MAX_ANISO_MASK |		\
+			      R200_YUV_TO_RGB |			\
+			      R200_YUV_TEMPERATURE_MASK |	\
+			      R200_CLAMP_S_MASK | 		\
+			      R200_CLAMP_T_MASK | 		\
+			      R200_BORDER_MODE_D3D )
+
+#define TEXOBJ_TXFORMAT_MASK (R200_TXFORMAT_WIDTH_MASK |	\
+			      R200_TXFORMAT_HEIGHT_MASK |	\
+			      R200_TXFORMAT_FORMAT_MASK |	\
+                              R200_TXFORMAT_F5_WIDTH_MASK |	\
+                              R200_TXFORMAT_F5_HEIGHT_MASK |	\
+			      R200_TXFORMAT_ALPHA_IN_MAP |	\
+			      R200_TXFORMAT_CUBIC_MAP_ENABLE |	\
+                              R200_TXFORMAT_NON_POWER2)
+
+#define TEXOBJ_TXFORMAT_X_MASK (R200_DEPTH_LOG2_MASK |		\
+                                R200_TEXCOORD_MASK |		\
+                                R200_CLAMP_Q_MASK | 		\
+                                R200_VOLUME_FILTER_MASK)
+
+static void import_tex_obj_state(r300ContextPtr rmesa,
+				 int unit, r300TexObjPtr texobj)
+{
+	#if 0 /* needs fixing.. or should be done elsewhere */
+	GLuint *cmd = R300_DB_STATE(tex[unit]);
+
+	cmd[TEX_PP_TXFILTER] &= ~TEXOBJ_TXFILTER_MASK;
+	cmd[TEX_PP_TXFILTER] |= texobj->filter & TEXOBJ_TXFILTER_MASK;
+	cmd[TEX_PP_TXFORMAT] &= ~TEXOBJ_TXFORMAT_MASK;
+	cmd[TEX_PP_TXFORMAT] |= texobj->format & TEXOBJ_TXFORMAT_MASK;
+	cmd[TEX_PP_TXFORMAT_X] &= ~TEXOBJ_TXFORMAT_X_MASK;
+	cmd[TEX_PP_TXFORMAT_X] |=
+	    texobj->format_x & TEXOBJ_TXFORMAT_X_MASK;
+	cmd[TEX_PP_TXSIZE] = texobj->size;	/* NPOT only! */
+	cmd[TEX_PP_TXPITCH] = texobj->pitch;	/* NPOT only! */
+	cmd[TEX_PP_TXOFFSET] = texobj->pp_txoffset;
+	cmd[TEX_PP_BORDER_COLOR] = texobj->pp_border_color;
+	R200_DB_STATECHANGE(rmesa, &rmesa->hw.tex[unit]);
+
+	if (texobj->base.tObj->Target == GL_TEXTURE_CUBE_MAP) {
+		GLuint *cube_cmd = R200_DB_STATE(cube[unit]);
+		GLuint bytesPerFace = texobj->base.totalSize / 6;
+		ASSERT(texobj->totalSize % 6 == 0);
+		cube_cmd[CUBE_PP_CUBIC_FACES] = texobj->pp_cubic_faces;
+		cube_cmd[CUBE_PP_CUBIC_OFFSET_F1] =
+		    texobj->pp_txoffset + 1 * bytesPerFace;
+		cube_cmd[CUBE_PP_CUBIC_OFFSET_F2] =
+		    texobj->pp_txoffset + 2 * bytesPerFace;
+		cube_cmd[CUBE_PP_CUBIC_OFFSET_F3] =
+		    texobj->pp_txoffset + 3 * bytesPerFace;
+		cube_cmd[CUBE_PP_CUBIC_OFFSET_F4] =
+		    texobj->pp_txoffset + 4 * bytesPerFace;
+		cube_cmd[CUBE_PP_CUBIC_OFFSET_F5] =
+		    texobj->pp_txoffset + 5 * bytesPerFace;
+		R200_DB_STATECHANGE(rmesa, &rmesa->hw.cube[unit]);
+	}
+
+	texobj->dirty_state &= ~(1 << unit);
+	#endif
+}
+
+static void set_texgen_matrix(r300ContextPtr rmesa,
+			      GLuint unit,
+			      const GLfloat * s_plane,
+			      const GLfloat * t_plane, const GLfloat * r_plane)
+{
+	static const GLfloat scale_identity[4] = { 1, 1, 1, 1 };
+
+	if (!TEST_EQ_4V(s_plane, scale_identity) ||
+	    !TEST_EQ_4V(t_plane, scale_identity) ||
+	    !TEST_EQ_4V(r_plane, scale_identity)) {
+		rmesa->TexGenEnabled |= R200_TEXMAT_0_ENABLE << unit;
+		rmesa->TexGenMatrix[unit].m[0] = s_plane[0];
+		rmesa->TexGenMatrix[unit].m[4] = s_plane[1];
+		rmesa->TexGenMatrix[unit].m[8] = s_plane[2];
+		rmesa->TexGenMatrix[unit].m[12] = s_plane[3];
+
+		rmesa->TexGenMatrix[unit].m[1] = t_plane[0];
+		rmesa->TexGenMatrix[unit].m[5] = t_plane[1];
+		rmesa->TexGenMatrix[unit].m[9] = t_plane[2];
+		rmesa->TexGenMatrix[unit].m[13] = t_plane[3];
+
+		/* NOTE: r_plane goes in the 4th row, not 3rd! */
+		rmesa->TexGenMatrix[unit].m[3] = r_plane[0];
+		rmesa->TexGenMatrix[unit].m[7] = r_plane[1];
+		rmesa->TexGenMatrix[unit].m[11] = r_plane[2];
+		rmesa->TexGenMatrix[unit].m[15] = r_plane[3];
+
+		//rmesa->NewGLState |= _NEW_TEXTURE_MATRIX;
+	}
+}
+
+/* Need this special matrix to get correct reflection map coords */
+static void set_texgen_reflection_matrix(r300ContextPtr rmesa, GLuint unit)
+{
+	static const GLfloat m[16] = {
+		-1, 0, 0, 0,
+		0, -1, 0, 0,
+		0, 0, 0, -1,
+		0, 0, -1, 0
+	};
+	_math_matrix_loadf(&(rmesa->TexGenMatrix[unit]), m);
+	_math_matrix_analyse(&(rmesa->TexGenMatrix[unit]));
+	rmesa->TexGenEnabled |= R200_TEXMAT_0_ENABLE << unit;
+}
+
+/* Need this special matrix to get correct normal map coords */
+static void set_texgen_normal_map_matrix(r300ContextPtr rmesa, GLuint unit)
+{
+	static const GLfloat m[16] = {
+		1, 0, 0, 0,
+		0, 1, 0, 0,
+		0, 0, 0, 1,
+		0, 0, 1, 0
+	};
+	_math_matrix_loadf(&(rmesa->TexGenMatrix[unit]), m);
+	_math_matrix_analyse(&(rmesa->TexGenMatrix[unit]));
+	rmesa->TexGenEnabled |= R200_TEXMAT_0_ENABLE << unit;
+}
+
+/* Ignoring the Q texcoord for now.
+ *
+ * Returns GL_FALSE if fallback required.
+ */
+static GLboolean r300_validate_texgen(GLcontext * ctx, GLuint unit)
+{
+	r300ContextPtr rmesa = R300_CONTEXT(ctx);
+	const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
+	GLuint inputshift = R200_TEXGEN_0_INPUT_SHIFT + unit * 4;
+	GLuint tmp = rmesa->TexGenEnabled;
+
+	rmesa->TexGenCompSel &= ~(R200_OUTPUT_TEX_0 << unit);
+	rmesa->TexGenEnabled &= ~(R200_TEXGEN_TEXMAT_0_ENABLE << unit);
+	rmesa->TexGenEnabled &= ~(R200_TEXMAT_0_ENABLE << unit);
+	rmesa->TexGenInputs &= ~(R200_TEXGEN_INPUT_MASK << inputshift);
+	rmesa->TexGenNeedNormals[unit] = 0;
+
+	if (0)
+		fprintf(stderr, "%s unit %d\n", __FUNCTION__, unit);
+
+	if ((texUnit->TexGenEnabled & (S_BIT | T_BIT | R_BIT)) == 0) {
+		/* Disabled, no fallback:
+		 */
+		rmesa->TexGenInputs |=
+		    (R200_TEXGEN_INPUT_TEXCOORD_0 + unit) << inputshift;
+		return GL_TRUE;
+	} else if (texUnit->TexGenEnabled & Q_BIT) {
+		/* Very easy to do this, in fact would remove a fallback case
+		 * elsewhere, but I haven't done it yet...  Fallback:
+		 */
+		/*fprintf(stderr, "fallback Q_BIT\n"); */
+		return GL_FALSE;
+	} else if (texUnit->TexGenEnabled == (S_BIT | T_BIT) &&
+		   texUnit->GenModeS == texUnit->GenModeT) {
+		/* OK */
+		rmesa->TexGenEnabled |= R200_TEXGEN_TEXMAT_0_ENABLE << unit;
+		/* continue */
+	} else if (texUnit->TexGenEnabled == (S_BIT | T_BIT | R_BIT) &&
+		   texUnit->GenModeS == texUnit->GenModeT &&
+		   texUnit->GenModeT == texUnit->GenModeR) {
+		/* OK */
+		rmesa->TexGenEnabled |= R200_TEXGEN_TEXMAT_0_ENABLE << unit;
+		/* continue */
+	} else {
+		/* Mixed modes, fallback:
+		 */
+		/* fprintf(stderr, "fallback mixed texgen\n"); */
+		return GL_FALSE;
+	}
+
+	rmesa->TexGenEnabled |= R200_TEXGEN_TEXMAT_0_ENABLE << unit;
+
+	switch (texUnit->GenModeS) {
+	case GL_OBJECT_LINEAR:
+		rmesa->TexGenInputs |= R200_TEXGEN_INPUT_OBJ << inputshift;
+		set_texgen_matrix(rmesa, unit,
+				  texUnit->ObjectPlaneS,
+				  texUnit->ObjectPlaneT, texUnit->ObjectPlaneR);
+		break;
+
+	case GL_EYE_LINEAR:
+		rmesa->TexGenInputs |= R200_TEXGEN_INPUT_EYE << inputshift;
+		set_texgen_matrix(rmesa, unit,
+				  texUnit->EyePlaneS,
+				  texUnit->EyePlaneT, texUnit->EyePlaneR);
+		break;
+
+	case GL_REFLECTION_MAP_NV:
+		rmesa->TexGenNeedNormals[unit] = GL_TRUE;
+		rmesa->TexGenInputs |=
+		    R200_TEXGEN_INPUT_EYE_REFLECT << inputshift;
+		set_texgen_reflection_matrix(rmesa, unit);
+		break;
+
+	case GL_NORMAL_MAP_NV:
+		rmesa->TexGenNeedNormals[unit] = GL_TRUE;
+		rmesa->TexGenInputs |=
+		    R200_TEXGEN_INPUT_EYE_NORMAL << inputshift;
+		set_texgen_normal_map_matrix(rmesa, unit);
+		break;
+
+	case GL_SPHERE_MAP:
+		rmesa->TexGenNeedNormals[unit] = GL_TRUE;
+		rmesa->TexGenInputs |= R200_TEXGEN_INPUT_SPHERE << inputshift;
+		break;
+
+	default:
+		/* Unsupported mode, fallback:
+		 */
+		/*  fprintf(stderr, "fallback unsupported texgen\n"); */
+		return GL_FALSE;
+	}
+
+	rmesa->TexGenCompSel |= R200_OUTPUT_TEX_0 << unit;
+
+	if (tmp != rmesa->TexGenEnabled) {
+		//rmesa->NewGLState |= _NEW_TEXTURE_MATRIX;
+	}
+
+	return GL_TRUE;
+}
+
+static void disable_tex(GLcontext * ctx, int unit)
+{
+	r300ContextPtr rmesa = R300_CONTEXT(ctx);
+
+	#if 0 /* This needs to be redone.. or done elsewhere */
+	if (rmesa->hw.ctx.cmd[CTX_PP_CNTL] & (R200_TEX_0_ENABLE << unit)) {
+		/* Texture unit disabled */
+		if (rmesa->state.texture.unit[unit].texobj != NULL) {
+			/* The old texture is no longer bound to this texture unit.
+			 * Mark it as such.
+			 */
+
+			rmesa->state.texture.unit[unit].texobj->base.bound &=
+			    ~(1UL << unit);
+			rmesa->state.texture.unit[unit].texobj = NULL;
+		}
+
+		R300_STATECHANGE(rmesa, ctx);
+		rmesa->hw.ctx.cmd[CTX_PP_CNTL] &= ~((R200_TEX_0_ENABLE |
+						     R200_TEX_BLEND_0_ENABLE) <<
+						    unit);
+		rmesa->hw.ctx.cmd[CTX_PP_CNTL] |= R200_TEX_BLEND_0_ENABLE;
+
+		R300_STATECHANGE(rmesa, tcl);
+		rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_VTXFMT_1] &=
+		    ~(7 << (unit * 3));
+
+		if (rmesa->radeon.TclFallback & (RADEON_TCL_FALLBACK_TEXGEN_0 << unit)) {
+			TCL_FALLBACK(ctx, (RADEON_TCL_FALLBACK_TEXGEN_0 << unit),
+				     GL_FALSE);
+		}
+
+		/* Actually want to keep all units less than max active texture
+		 * enabled, right?  Fix this for >2 texunits.
+		 */
+		/* FIXME: What should happen here if r300UpdateTextureEnv fails? */
+		if (unit == 0)
+			r300UpdateTextureEnv(ctx, unit);
+
+		{
+			GLuint inputshift =
+			    R200_TEXGEN_0_INPUT_SHIFT + unit * 4;
+			GLuint tmp = rmesa->TexGenEnabled;
+
+			rmesa->TexGenEnabled &=
+			    ~(R200_TEXGEN_TEXMAT_0_ENABLE << unit);
+			rmesa->TexGenEnabled &= ~(R200_TEXMAT_0_ENABLE << unit);
+			rmesa->TexGenEnabled &=
+			    ~(R200_TEXGEN_INPUT_MASK << inputshift);
+			rmesa->TexGenNeedNormals[unit] = 0;
+			rmesa->TexGenCompSel &= ~(R200_OUTPUT_TEX_0 << unit);
+			rmesa->TexGenInputs &=
+			    ~(R200_TEXGEN_INPUT_MASK << inputshift);
+
+			if (tmp != rmesa->TexGenEnabled) {
+				rmesa->recheck_texgen[unit] = GL_TRUE;
+				rmesa->NewGLState |= _NEW_TEXTURE_MATRIX;
+			}
+		}
+	}
+	#endif
+}
+
+static GLboolean enable_tex_2d(GLcontext * ctx, int unit)
+{
+	r300ContextPtr rmesa = R300_CONTEXT(ctx);
+	struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
+	struct gl_texture_object *tObj = texUnit->_Current;
+	r300TexObjPtr t = (r300TexObjPtr) tObj->DriverData;
+
+	/* Need to load the 2d images associated with this unit.
+	 */
+	if (t->format & R200_TXFORMAT_NON_POWER2) {
+		t->format &= ~R200_TXFORMAT_NON_POWER2;
+		t->base.dirty_images[0] = ~0;
+	}
+
+	ASSERT(tObj->Target == GL_TEXTURE_2D || tObj->Target == GL_TEXTURE_1D);
+
+	if (t->base.dirty_images[0]) {
+		R300_FIREVERTICES(rmesa);
+		r300SetTexImages(rmesa, tObj);
+		r300UploadTexImages(rmesa, (r300TexObjPtr) tObj->DriverData, 0);
+		if (!t->base.memBlock)
+			return GL_FALSE;
+	}
+
+	return GL_TRUE;
+}
+
+#if ENABLE_HW_3D_TEXTURE
+static GLboolean enable_tex_3d(GLcontext * ctx, int unit)
+{
+	r300ContextPtr rmesa = R300_CONTEXT(ctx);
+	struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
+	struct gl_texture_object *tObj = texUnit->_Current;
+	r300TexObjPtr t = (r300TexObjPtr) tObj->DriverData;
+
+	/* Need to load the 3d images associated with this unit.
+	 */
+	if (t->format & R200_TXFORMAT_NON_POWER2) {
+		t->format &= ~R200_TXFORMAT_NON_POWER2;
+		t->base.dirty_images[0] = ~0;
+	}
+
+	ASSERT(tObj->Target == GL_TEXTURE_3D);
+
+	/* R100 & R200 do not support mipmaps for 3D textures.
+	 */
+	if ((tObj->MinFilter != GL_NEAREST) && (tObj->MinFilter != GL_LINEAR)) {
+		return GL_FALSE;
+	}
+
+	if (t->base.dirty_images[0]) {
+		R300_FIREVERTICES(rmesa);
+		r300SetTexImages(rmesa, tObj);
+		r300UploadTexImages(rmesa, (r300TexObjPtr) tObj->DriverData, 0);
+		if (!t->base.memBlock)
+			return GL_FALSE;
+	}
+
+	return GL_TRUE;
+}
+#endif
+
+static GLboolean enable_tex_cube(GLcontext * ctx, int unit)
+{
+	r300ContextPtr rmesa = R300_CONTEXT(ctx);
+	struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
+	struct gl_texture_object *tObj = texUnit->_Current;
+	r300TexObjPtr t = (r300TexObjPtr) tObj->DriverData;
+	GLuint face;
+
+	/* Need to load the 2d images associated with this unit.
+	 */
+	if (t->format & R200_TXFORMAT_NON_POWER2) {
+		t->format &= ~R200_TXFORMAT_NON_POWER2;
+		for (face = 0; face < 6; face++)
+			t->base.dirty_images[face] = ~0;
+	}
+
+	ASSERT(tObj->Target == GL_TEXTURE_CUBE_MAP);
+
+	if (t->base.dirty_images[0] || t->base.dirty_images[1] ||
+	    t->base.dirty_images[2] || t->base.dirty_images[3] ||
+	    t->base.dirty_images[4] || t->base.dirty_images[5]) {
+		/* flush */
+		R300_FIREVERTICES(rmesa);
+		/* layout memory space, once for all faces */
+		r300SetTexImages(rmesa, tObj);
+	}
+
+	/* upload (per face) */
+	for (face = 0; face < 6; face++) {
+		if (t->base.dirty_images[face]) {
+			r300UploadTexImages(rmesa,
+					    (r300TexObjPtr) tObj->DriverData,
+					    face);
+		}
+	}
+
+	if (!t->base.memBlock) {
+		/* texmem alloc failed, use s/w fallback */
+		return GL_FALSE;
+	}
+
+	return GL_TRUE;
+}
+
+static GLboolean enable_tex_rect(GLcontext * ctx, int unit)
+{
+	r300ContextPtr rmesa = R300_CONTEXT(ctx);
+	struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
+	struct gl_texture_object *tObj = texUnit->_Current;
+	r300TexObjPtr t = (r300TexObjPtr) tObj->DriverData;
+
+	if (!(t->format & R200_TXFORMAT_NON_POWER2)) {
+		t->format |= R200_TXFORMAT_NON_POWER2;
+		t->base.dirty_images[0] = ~0;
+	}
+
+	ASSERT(tObj->Target == GL_TEXTURE_RECTANGLE_NV);
+
+	if (t->base.dirty_images[0]) {
+		R300_FIREVERTICES(rmesa);
+		r300SetTexImages(rmesa, tObj);
+		r300UploadTexImages(rmesa, (r300TexObjPtr) tObj->DriverData, 0);
+		if (!t->base.memBlock && !rmesa->prefer_gart_client_texturing)
+			return GL_FALSE;
+	}
+
+	return GL_TRUE;
+}
+
+static GLboolean update_tex_common(GLcontext * ctx, int unit)
+{
+	r300ContextPtr rmesa = R300_CONTEXT(ctx);
+	struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
+	struct gl_texture_object *tObj = texUnit->_Current;
+	r300TexObjPtr t = (r300TexObjPtr) tObj->DriverData;
+	GLenum format;
+
+	/* Fallback if there's a texture border */
+	if (tObj->Image[0][tObj->BaseLevel]->Border > 0)
+		return GL_FALSE;
+
+	/* Update state if this is a different texture object to last
+	 * time.
+	 */
+	if (rmesa->state.texture.unit[unit].texobj != t) {
+		if (rmesa->state.texture.unit[unit].texobj != NULL) {
+			/* The old texture is no longer bound to this texture unit.
+			 * Mark it as such.
+			 */
+
+			rmesa->state.texture.unit[unit].texobj->base.bound &=
+			    ~(1UL << unit);
+		}
+
+		rmesa->state.texture.unit[unit].texobj = t;
+		t->base.bound |= (1UL << unit);
+		t->dirty_state |= 1 << unit;
+		driUpdateTextureLRU((driTextureObject *) t);	/* XXX: should be locked! */
+	}
+
+	#if 0 /* do elsewhere ? */
+	/* Newly enabled?
+	 */
+	if (1
+	    || !(rmesa->hw.ctx.
+		 cmd[CTX_PP_CNTL] & (R200_TEX_0_ENABLE << unit))) {
+		R300_STATECHANGE(rmesa, ctx);
+		rmesa->hw.ctx.cmd[CTX_PP_CNTL] |= (R200_TEX_0_ENABLE |
+						   R200_TEX_BLEND_0_ENABLE) <<
+		    unit;
+
+		R300_STATECHANGE(rmesa, vtx);
+		rmesa->hw.vtx.cmd[VTX_TCL_OUTPUT_VTXFMT_1] |= 4 << (unit * 3);
+
+		rmesa->recheck_texgen[unit] = GL_TRUE;
+	}
+
+	if (t->dirty_state & (1 << unit)) {
+		import_tex_obj_state(rmesa, unit, t);
+	}
+
+	if (rmesa->recheck_texgen[unit]) {
+		GLboolean fallback = !r300_validate_texgen(ctx, unit);
+		TCL_FALLBACK(ctx, (RADEON_TCL_FALLBACK_TEXGEN_0 << unit),
+			     fallback);
+		rmesa->recheck_texgen[unit] = 0;
+		rmesa->NewGLState |= _NEW_TEXTURE_MATRIX;
+	}
+
+	format = tObj->Image[0][tObj->BaseLevel]->Format;
+	if (rmesa->state.texture.unit[unit].format != format ||
+	    rmesa->state.texture.unit[unit].envMode != texUnit->EnvMode) {
+		rmesa->state.texture.unit[unit].format = format;
+		rmesa->state.texture.unit[unit].envMode = texUnit->EnvMode;
+		if (!r300UpdateTextureEnv(ctx, unit)) {
+			return GL_FALSE;
+		}
+	}
+	#endif
+	
+	FALLBACK(&rmesa->radeon, RADEON_FALLBACK_BORDER_MODE, t->border_fallback);
+	return !t->border_fallback;
+}
+
+static GLboolean r300UpdateTextureUnit(GLcontext * ctx, int unit)
+{
+	struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
+
+	if (texUnit->_ReallyEnabled & (TEXTURE_RECT_BIT)) {
+		return (enable_tex_rect(ctx, unit) &&
+			update_tex_common(ctx, unit));
+	} else if (texUnit->_ReallyEnabled & (TEXTURE_1D_BIT | TEXTURE_2D_BIT)) {
+		return (enable_tex_2d(ctx, unit) &&
+			update_tex_common(ctx, unit));
+	}
+#if ENABLE_HW_3D_TEXTURE
+	else if (texUnit->_ReallyEnabled & (TEXTURE_3D_BIT)) {
+		return (enable_tex_3d(ctx, unit) &&
+			update_tex_common(ctx, unit));
+	}
+#endif
+	else if (texUnit->_ReallyEnabled & (TEXTURE_CUBE_BIT)) {
+		return (enable_tex_cube(ctx, unit) &&
+			update_tex_common(ctx, unit));
+	} else if (texUnit->_ReallyEnabled) {
+		return GL_FALSE;
+	} else {
+		disable_tex(ctx, unit);
+		return GL_TRUE;
+	}
+}
+
+void r300UpdateTextureState(GLcontext * ctx)
+{
+	r300ContextPtr rmesa = R300_CONTEXT(ctx);
+	GLboolean ok;
+	GLuint dbg;
+	int i;
+
+	ok = (r300UpdateTextureUnit(ctx, 0) &&
+	      r300UpdateTextureUnit(ctx, 1) &&
+	      r300UpdateTextureUnit(ctx, 2) &&
+	      r300UpdateTextureUnit(ctx, 3) &&
+	      r300UpdateTextureUnit(ctx, 4) && 
+	      r300UpdateTextureUnit(ctx, 5) &&
+	      r300UpdateTextureUnit(ctx, 6) && 
+	      r300UpdateTextureUnit(ctx, 7)
+	      );
+
+	FALLBACK(&rmesa->radeon, RADEON_FALLBACK_TEXTURE, !ok);
+
+	/* This needs correction, or just be done elsewhere 
+	if (rmesa->radeon.TclFallback)
+		r300ChooseVertexState(ctx);
+	*/
+		
+	#if 0 /* Workaround - disable.. */
+	if (GET_CHIP(rmesa->radeon.radeonScreen) == RADEON_CHIP_REAL_R200) {
+		/*
+		 * T0 hang workaround -------------
+		 * not needed for r300 derivatives?
+		 */
+		if ((rmesa->hw.ctx.cmd[CTX_PP_CNTL] & R200_TEX_ENABLE_MASK) ==
+		    R200_TEX_0_ENABLE
+		    && (rmesa->hw.tex[0].
+			cmd[TEX_PP_TXFILTER] & R200_MIN_FILTER_MASK) >
+		    R200_MIN_FILTER_LINEAR) {
+
+			R300_STATECHANGE(rmesa, ctx);
+			R300_STATECHANGE(rmesa, tex[1]);
+			rmesa->hw.ctx.cmd[CTX_PP_CNTL] |= R200_TEX_1_ENABLE;
+			rmesa->hw.tex[1].cmd[TEX_PP_TXFORMAT] &=
+			    ~TEXOBJ_TXFORMAT_MASK;
+			rmesa->hw.tex[1].cmd[TEX_PP_TXFORMAT] |= 0x08000000;
+		} else {
+			if ((rmesa->hw.ctx.cmd[CTX_PP_CNTL] & R200_TEX_1_ENABLE)
+			    && (rmesa->hw.tex[1].
+				cmd[TEX_PP_TXFORMAT] & 0x08000000)) {
+				R300_STATECHANGE(rmesa, tex[1]);
+				rmesa->hw.tex[1].cmd[TEX_PP_TXFORMAT] &=
+				    ~0x08000000;
+			}
+		}
+
+		/* maybe needs to be done pairwise due to 2 parallel (physical) tex units ?
+		   looks like that's not the case, if 8500/9100 owners don't complain remove this...
+		   for ( i = 0; i < ctx->Const.MaxTextureUnits; i += 2) {
+		   if (((rmesa->hw.ctx.cmd[CTX_PP_CNTL] & ((R200_TEX_0_ENABLE |
+		   R200_TEX_1_ENABLE ) << i)) == (R200_TEX_0_ENABLE << i)) &&
+		   ((rmesa->hw.tex[i].cmd[TEX_PP_TXFILTER] & R200_MIN_FILTER_MASK) >
+		   R200_MIN_FILTER_LINEAR)) {
+		   R300_STATECHANGE(rmesa, ctx);
+		   R300_STATECHANGE(rmesa, tex[i+1]);
+		   rmesa->hw.ctx.cmd[CTX_PP_CNTL] |= (R200_TEX_1_ENABLE << i);
+		   rmesa->hw.tex[i+1].cmd[TEX_PP_TXFORMAT] &= ~TEXOBJ_TXFORMAT_MASK;
+		   rmesa->hw.tex[i+1].cmd[TEX_PP_TXFORMAT] |= 0x08000000;
+		   }
+		   else {
+		   if ((rmesa->hw.ctx.cmd[CTX_PP_CNTL] & (R200_TEX_1_ENABLE << i)) &&
+		   (rmesa->hw.tex[i+1].cmd[TEX_PP_TXFORMAT] & 0x08000000)) {
+		   R300_STATECHANGE(rmesa, tex[i+1]);
+		   rmesa->hw.tex[i+1].cmd[TEX_PP_TXFORMAT] &= ~0x08000000;
+		   }
+		   }
+		   } */
+
+		/*
+		 * Texture cache LRU hang workaround -------------
+		 * not needed for r300 derivatives?
+		 */
+		dbg = 0x0;
+
+		if (((rmesa->hw.ctx.cmd[CTX_PP_CNTL] & (R200_TEX_0_ENABLE)) &&
+		     ((((rmesa->hw.tex[0].
+			 cmd[TEX_PP_TXFILTER] & R200_MIN_FILTER_MASK)) & 0x04)
+		      == 0))
+		    || ((rmesa->hw.ctx.cmd[CTX_PP_CNTL] & R200_TEX_2_ENABLE)
+			&&
+			((((rmesa->hw.tex[2].
+			    cmd[TEX_PP_TXFILTER] & R200_MIN_FILTER_MASK)) &
+			  0x04) == 0))
+		    || ((rmesa->hw.ctx.cmd[CTX_PP_CNTL] & R200_TEX_4_ENABLE)
+			&&
+			((((rmesa->hw.tex[4].
+			    cmd[TEX_PP_TXFILTER] & R200_MIN_FILTER_MASK)) &
+			  0x04) == 0))) {
+			dbg |= 0x02;
+		}
+
+		if (((rmesa->hw.ctx.cmd[CTX_PP_CNTL] & (R200_TEX_1_ENABLE)) &&
+		     ((((rmesa->hw.tex[1].
+			 cmd[TEX_PP_TXFILTER] & R200_MIN_FILTER_MASK)) & 0x04)
+		      == 0))
+		    || ((rmesa->hw.ctx.cmd[CTX_PP_CNTL] & R200_TEX_3_ENABLE)
+			&&
+			((((rmesa->hw.tex[3].
+			    cmd[TEX_PP_TXFILTER] & R200_MIN_FILTER_MASK)) &
+			  0x04) == 0))
+		    || ((rmesa->hw.ctx.cmd[CTX_PP_CNTL] & R200_TEX_5_ENABLE)
+			&&
+			((((rmesa->hw.tex[5].
+			    cmd[TEX_PP_TXFILTER] & R200_MIN_FILTER_MASK)) &
+			  0x04) == 0))) {
+			dbg |= 0x04;
+		}
+
+		if (dbg != rmesa->hw.tam.cmd[TAM_DEBUG3]) {
+			R300_STATECHANGE(rmesa, tam);
+			rmesa->hw.tam.cmd[TAM_DEBUG3] = dbg;
+			if (0)
+				printf("TEXCACHE LRU HANG WORKAROUND %x\n",
+				       dbg);
+		}
+	}
+	#endif
+}