diff options
Diffstat (limited to 'xc/lib/GL/mesa/src/drv/r128/r128_tex.c')
| -rw-r--r-- | xc/lib/GL/mesa/src/drv/r128/r128_tex.c | 1852 |
1 files changed, 1852 insertions, 0 deletions
diff --git a/xc/lib/GL/mesa/src/drv/r128/r128_tex.c b/xc/lib/GL/mesa/src/drv/r128/r128_tex.c new file mode 100644 index 000000000..6a82a527e --- /dev/null +++ b/xc/lib/GL/mesa/src/drv/r128/r128_tex.c @@ -0,0 +1,1852 @@ +/* $XFree86$ */ +/************************************************************************** + +Copyright 1999, 2000 ATI Technologies Inc. and Precision Insight, Inc., + Cedar Park, Texas. +All Rights Reserved. + +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, PRECISION INSIGHT 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 <kevin@precisioninsight.com> + * Gareth Hughes <gareth@precisioninsight.com> + * + */ + +#include "r128_init.h" +#include "r128_mesa.h" +#include "r128_xmesa.h" +#include "r128_context.h" +#include "r128_lock.h" +#include "r128_state.h" +#include "r128_reg.h" +#include "r128_cce.h" +#include "r128_vb.h" +#include "r128_tex.h" + +#include "mmath.h" +#include "simple_list.h" + +static void r128SetTexWrap(r128TexObjPtr t, GLenum srwap, GLenum twrap); +static void r128SetTexFilter(r128TexObjPtr t, GLenum minf, GLenum magf); +static void r128SetTexBorderColor(r128TexObjPtr t, GLubyte c[4]); + +/* Allocate and initialize hardware state associated with texture `t' */ +/* NOTE: This function is only called while holding the hardware lock */ +static r128TexObjPtr r128CreateTexObj(r128ContextPtr r128ctx, + struct gl_texture_object *tObj) +{ + r128TexObjPtr t; + struct gl_texture_image *image; + int log2Pitch, log2Height, log2Size, log2MinSize; + int totalSize; + int i; + + image = tObj->Image[0]; + if (!image) return NULL; /* ERROR!!! */ + + t = (r128TexObjPtr)calloc(1,sizeof(*t)); + if (!t) return NULL; /* ERROR!!! */ + + if (R128_DEBUG_FLAGS & DEBUG_VERBOSE_API) + fprintf(stderr, "r128CreateTexObj(%p)\n", tObj); + + switch (image->Format) { + case GL_RGBA: + case GL_ALPHA: + case GL_LUMINANCE_ALPHA: + case GL_INTENSITY: + if (r128ctx->r128Screen->bpp == 32) { + t->texelBytes = 4; + t->textureFormat = R128_DATATYPE_ARGB8888; + } else { + t->texelBytes = 2; + t->textureFormat = R128_DATATYPE_ARGB4444; + } + break; + + case GL_RGB: + if (r128ctx->r128Screen->bpp == 32) { + t->texelBytes = 4; + t->textureFormat = R128_DATATYPE_ARGB8888; + } else { + t->texelBytes = 2; + t->textureFormat = R128_DATATYPE_RGB565; + } + break; + + case GL_LUMINANCE: + if (r128ctx->r128Screen->bpp == 32) { + t->texelBytes = 4; + t->textureFormat = R128_DATATYPE_ARGB8888; + } else { + t->texelBytes = 2; + /* Use this to get true greys */ + t->textureFormat = R128_DATATYPE_ARGB1555; + } + break; + + case GL_COLOR_INDEX: + t->texelBytes = 1; + t->textureFormat = R128_DATATYPE_CI8; + break; + + default: + /* ERROR!!! */ + fprintf(stderr, "r128CreateTexObj: bad image->Format\n"); + free(t); + return NULL; + } + + /* Calculate dimensions in log domain */ + for (i = 1, log2Height = 0; i < image->Height; i *= 2) log2Height++; + for (i = 1, log2Pitch = 0; i < image->Width; i *= 2) log2Pitch++; + if (image->Width > image->Height) log2Size = log2Pitch; + else log2Size = log2Height; + + t->dirty_images = 0; + + /* Calculate mipmap offsets and dimensions */ + totalSize = 0; + for (i = 0; i <= log2Size && tObj->Image[i]; i++) { + t->image[i].offset = totalSize; + t->image[i].width = tObj->Image[i]->Width; + t->image[i].height = tObj->Image[i]->Height; + t->dirty_images |= 1 << i; + totalSize += (tObj->Image[i]->Height * + tObj->Image[i]->Width * + t->texelBytes); + + /* Offsets must be 32-byte aligned for host data blits */ + totalSize = (totalSize + 31) & ~31; + } + log2MinSize = log2Size - i + 1; + + t->totalSize = totalSize; + t->internFormat = image->IntFormat; + + t->bound = 0; + t->heap = 0; /* This is set in r128UploadTexImages */ + t->tObj = tObj; + + t->memBlock = NULL; + t->bufAddr = NULL; + + t->regs.tex_cntl = t->textureFormat; + t->regs.size_pitch = ((log2Pitch << R128_TEX_PITCH_SHIFT) | + (log2Size << R128_TEX_SIZE_SHIFT) | + (log2Height << R128_TEX_HEIGHT_SHIFT) | + (log2MinSize << R128_TEX_MIN_SIZE_SHIFT)); + t->regs.border_color = 0x00000000; + + if (log2MinSize == log2Size || + log2MinSize != 0) + t->regs.tex_cntl |= R128_MIP_MAP_DISABLE; + + r128SetTexWrap(t, tObj->WrapS, tObj->WrapT); + r128SetTexFilter(t, tObj->MinFilter, tObj->MagFilter); + r128SetTexBorderColor(t, tObj->BorderColor); + + tObj->DriverData = t; + + make_empty_list(t); + + return t; +} + +/* Destroy hardware state associated with texture `t' */ +/* NOTE: This function can be called while holding the hardware lock and + while not holding the lock*/ +void r128DestroyTexObj(r128ContextPtr r128ctx, r128TexObjPtr t) +{ + if (!t) return; + + if (t->memBlock) { + mmFreeMem(t->memBlock); + t->memBlock = NULL; + } + + if (t->tObj) t->tObj->DriverData = NULL; + if (t->bound) r128ctx->CurrentTexObj[t->bound-1] = NULL; + + remove_from_list(t); + free(t); +} + +/* Keep track of swapped out texture objects */ +/* NOTE: This function is only called while holding the hardware lock */ +static void r128SwapOutTexObj(r128ContextPtr r128ctx, r128TexObjPtr t) +{ + if (t->memBlock) { + mmFreeMem(t->memBlock); + t->memBlock = NULL; + } + + t->dirty_images = ~0; + move_to_tail(&r128ctx->SwappedOut, t); +} + +/* Print out debugging information about texture LRU */ +void r128PrintLocalLRU(r128ContextPtr r128ctx, int heap) +{ + r128TexObjPtr t; + int sz = 1 << (r128ctx->r128Screen->log2TexGran[heap]); + + foreach(t, &r128ctx->TexObjList[heap]) { + if (!t->tObj) { + fprintf(stderr, "Placeholder %d at 0x%x sz 0x%x\n", + t->memBlock->ofs / sz, + t->memBlock->ofs, + t->memBlock->size); + } else { + fprintf(stderr, "Texture (bound %d) at 0x%x sz 0x%x\n", + t->bound, + t->memBlock->ofs, + t->memBlock->size); + } + } +} + +void r128PrintGlobalLRU(r128ContextPtr r128ctx, int heap) +{ + R128TexRegion *list = r128ctx->r128Screen->SAREA->texList[heap]; + int i, j; + + for (i = 0, j = R128_NR_TEX_REGIONS ; i < R128_NR_TEX_REGIONS ; i++) { + fprintf(stderr, "list[%d] age %d next %d prev %d\n", + j, list[j].age, list[j].next, list[j].prev); + j = list[j].next; + if (j == R128_NR_TEX_REGIONS) break; + } + + if (j != R128_NR_TEX_REGIONS) { + fprintf(stderr, "Loop detected in global LRU\n"); + } +} + +/* Reset the global texture LRU */ +/* NOTE: This function is only called while holding the hardware lock */ +static void r128ResetGlobalLRU(r128ContextPtr r128ctx, int heap) +{ + R128TexRegion *list = r128ctx->r128Screen->SAREA->texList[heap]; + int log2sz = 1 << r128ctx->r128Screen->log2TexGran[heap]; + int i; + + /* + * (Re)initialize the global circular LRU list. The last element in + * the array (R128_NR_TEX_REGIONS) is the sentinal. Keeping it at + * the end of the array allows it to be addressed rationally when + * looking up objects at a particular location in texture memory. + */ + + for (i = 0; (i+1) * log2sz <= r128ctx->r128Screen->texSize[heap]; i++) { + list[i].prev = i-1; + list[i].next = i+1; + list[i].age = 0; + } + + i--; + list[0].prev = R128_NR_TEX_REGIONS; + list[i].prev = i-1; + list[i].next = R128_NR_TEX_REGIONS; + list[R128_NR_TEX_REGIONS].prev = i; + list[R128_NR_TEX_REGIONS].next = 0; + r128ctx->r128Screen->SAREA->texAge[heap] = 0; +} + +/* Update the local and glock texture LRUs */ +/* NOTE: This function is only called while holding the hardware lock */ +static void r128UpdateTexLRU(r128ContextPtr r128ctx, r128TexObjPtr t) +{ + int heap = t->heap; + R128TexRegion *list = r128ctx->r128Screen->SAREA->texList[heap]; + int log2sz = r128ctx->r128Screen->log2TexGran[heap]; + + int start = t->memBlock->ofs >> log2sz; + int end = (t->memBlock->ofs + t->memBlock->size-1) >> log2sz; + int i; + + r128ctx->lastTexAge[heap] = ++r128ctx->r128Screen->SAREA->texAge[heap]; + + /* Update our local LRU */ + move_to_head(&r128ctx->TexObjList[heap], t); + + /* Update the global LRU */ + for (i = start ; i <= end ; i++) { + list[i].in_use = 1; + list[i].age = r128ctx->lastTexAge[heap]; + + /* remove_from_list(i) */ + list[(CARD32)list[i].next].prev = list[i].prev; + list[(CARD32)list[i].prev].next = list[i].next; + + /* insert_at_head(list, i) */ + list[i].prev = R128_NR_TEX_REGIONS; + list[i].next = list[R128_NR_TEX_REGIONS].next; + list[(CARD32)list[R128_NR_TEX_REGIONS].next].prev = i; + list[R128_NR_TEX_REGIONS].next = i; + } +} + +/* Update our notion of what textures have been changed since we last + held the lock. This pertains to both our local textures and the + textures belonging to other clients. Keep track of other client's + textures by pushing a placeholder texture onto the LRU list -- these + are denoted by (tObj == NULL). */ +/* NOTE: This function is only called while holding the hardware lock */ +static void r128TexturesGone(r128ContextPtr r128ctx, int heap, + int offset, int size, int in_use) +{ + r128TexObjPtr t, tmp; + + foreach_s (t, tmp, &r128ctx->TexObjList[heap]) { + if (t->memBlock->ofs >= offset + size || + t->memBlock->ofs + t->memBlock->size <= offset) + continue; + + /* It overlaps - kick it out. Need to hold onto the currently + bound objects, however. */ + if (t->bound) r128SwapOutTexObj(r128ctx, t); + else r128DestroyTexObj(r128ctx, t); + } + + if (in_use) { + t = (r128TexObjPtr) calloc(1,sizeof(*t)); + if (!t) return; + + t->memBlock = mmAllocMem(r128ctx->texHeap[heap], size, 0, offset); + insert_at_head(&r128ctx->TexObjList[heap], t); + } +} + +/* Update our client's shared texture state. If another client has + modified a region in which we have textures, then we need to figure + out which of our textures has been removed, and update our global + LRU. */ +void r128AgeTextures(r128ContextPtr r128ctx, int heap) +{ + R128SAREAPrivPtr sarea = r128ctx->r128Screen->SAREA; + + if (sarea->texAge[heap] != r128ctx->lastTexAge[heap]) { + int log2sz = 1 << r128ctx->r128Screen->log2TexGran[heap]; + int nr = 0; + int idx; + + for (idx = sarea->texList[heap][R128_NR_TEX_REGIONS].prev; + idx != R128_NR_TEX_REGIONS && nr < R128_NR_TEX_REGIONS; + idx = sarea->texList[heap][idx].prev, nr++) { + + /* If switching texturing schemes, then the SAREA might not + have been properly cleared, so we need to reset the + global texture LRU. */ + if (idx * log2sz > r128ctx->r128Screen->texSize[heap]) { + nr = R128_NR_TEX_REGIONS; + break; + } + + if (sarea->texList[heap][idx].age > r128ctx->lastTexAge[heap]) + r128TexturesGone(r128ctx, heap, idx * log2sz, log2sz, + sarea->texList[heap][idx].in_use); + } + + if (nr == R128_NR_TEX_REGIONS) { + r128TexturesGone(r128ctx, heap, + 0, r128ctx->r128Screen->texSize[heap], 0); + r128ResetGlobalLRU(r128ctx, heap); + } + + r128ctx->dirty |= R128_UPDATE_TEX0IMAGES; + r128ctx->dirty |= R128_UPDATE_TEX1IMAGES; + r128ctx->lastTexAge[heap] = sarea->texAge[heap]; + } +} + +/* Convert a block of Mesa-formatted texture to an 8bpp hardware format */ +static void r128ConvertTexture8bpp(r128ContextPtr r128ctx, + struct gl_texture_image *image, + int x, int y, int width, int height, + int pitch) +{ + CARD8 *src; + CARD32 pix; + int i, j; + + switch (image->Format) { + case GL_RGB: + for (i = 0; i < height; i++) { + src = (CARD8 *)image->Data + ((y + i) * pitch + x) * 3; + for (j = width >> 2; j; j--) { + pix = ((R128PACKCOLOR332( src[0], src[1], src[2]) ) | + (R128PACKCOLOR332( src[3], src[4], src[5]) << 8) | + (R128PACKCOLOR332( src[6], src[7], src[8]) << 16) | + (R128PACKCOLOR332( src[9], src[10], src[11]) << 24)); + R128CCE(pix); + src += 12; + } + } + break; + + case GL_ALPHA: + case GL_LUMINANCE: + case GL_INTENSITY: + case GL_COLOR_INDEX: + for (i = 0; i < height; i++) { + src = (CARD8 *)image->Data + ((y + i) * pitch + x); + for (j = width >> 2; j; j--) { + pix = src[0] | (src[1] << 8) | (src[2] << 16) | (src[3] << 24); + R128CCE(pix); + src += 4; + } + } + break; + + default: + fprintf(stderr, "r128ConvertTexture8bpp: unsupported format 0x%x\n", + image->Format); + } +} + +/* Convert a block of Mesa-formatted texture to a 16bpp hardware format */ +static void r128ConvertTexture16bpp(r128ContextPtr r128ctx, + struct gl_texture_image *image, + int x, int y, int width, int height, + int pitch) +{ + CARD8 *src; + CARD32 pix; + int i, j; + + switch (image->Format) { + case GL_RGB: + for (i = 0; i < height; i++) { + src = (CARD8 *)image->Data + ((y + i) * pitch + x) * 3; + for (j = width >> 1; j; j--) { + pix = ((R128PACKCOLOR565(src[0], src[1], src[2]) ) | + (R128PACKCOLOR565(src[3], src[4], src[5]) << 16)); + R128CCE(pix); + src += 6; + } + } + break; + + case GL_RGBA: + for (i = 0; i < height; i++) { + src = (CARD8 *)image->Data + ((y + i) * pitch + x) * 4; + for (j = width >> 1; j; j--) { + pix = + ((R128PACKCOLOR4444(src[0], src[1], src[2], src[3]) ) | + (R128PACKCOLOR4444(src[4], src[5], src[6], src[7])<<16)); + R128CCE(pix); + src += 8; + } + } + break; + + case GL_ALPHA: + for (i = 0; i < height; i++) { + src = (CARD8 *)image->Data + ((y + i) * pitch + x); + for (j = width >> 1; j; j--) { + pix = ((R128PACKCOLOR4444(0xff, 0xff, 0xff, src[0]) ) | + (R128PACKCOLOR4444(0xff, 0xff, 0xff, src[1]) << 16)); + R128CCE(pix); + src += 2; + } + } + break; + + case GL_LUMINANCE: + for (i = 0; i < height; i++) { + src = (CARD8 *)image->Data + ((y + i) * pitch + x); + for (j = width >> 1; j; j--) { + pix = ((R128PACKCOLOR1555(src[0], src[0], src[0], 0xff) ) | + (R128PACKCOLOR1555(src[1], src[1], src[1], 0xff)<<16)); + R128CCE(pix); + src += 2; + } + } + break; + + case GL_LUMINANCE_ALPHA: + for (i = 0; i < height; i++) { + src = (CARD8 *)image->Data + ((y + i) * pitch + x) * 2; + for (j = width >> 1; j; j--) { + pix = + ((R128PACKCOLOR4444(src[0], src[0], src[0], src[1]) ) | + (R128PACKCOLOR4444(src[2], src[2], src[2], src[3])<<16)); + R128CCE(pix); + src += 4; + } + } + break; + + case GL_INTENSITY: + for (i = 0; i < height; i++) { + src = (CARD8 *)image->Data + ((y + i) * pitch + x); + for (j = width >> 1; j; j--) { + pix = + ((R128PACKCOLOR4444(src[0], src[0], src[0], src[0]) ) | + (R128PACKCOLOR4444(src[1], src[1], src[1], src[1])<<16)); + R128CCE(pix); + src += 2; + } + } + break; + + default: + fprintf(stderr, "r128ConvertTexture16bpp: unsupported format 0x%x\n", + image->Format); + } +} + +/* Convert a block of Mesa-formatted texture to a 32bpp hardware format */ +static void r128ConvertTexture32bpp(r128ContextPtr r128ctx, + struct gl_texture_image *image, + int x, int y, int width, int height, + int pitch) +{ + CARD8 *src; + CARD32 pix; + int i, j; + + switch (image->Format) { + case GL_RGB: + for (i = 0; i < height; i++) { + src = (CARD8 *)image->Data + ((y + i) * pitch + x) * 3; + for (j = width; j; j--) { + pix = R128PACKCOLOR8888(src[0], src[1], src[2], 0xff); + R128CCE(pix); + src += 3; + } + } + break; + + case GL_RGBA: + for (i = 0; i < height; i++) { + src = (CARD8 *)image->Data + ((y + i) * pitch + x) * 4; + for (j = width; j; j--) { + pix = R128PACKCOLOR8888(src[0], src[1], src[2], src[3]); + R128CCE(pix); + src += 4; + } + } + break; + + case GL_ALPHA: + for (i = 0; i < height; i++) { + src = (CARD8 *)image->Data + ((y + i) * pitch + x); + for (j = width; j; j--) { + pix = R128PACKCOLOR8888(0xff, 0xff, 0xff, src[0]); + R128CCE(pix); + src += 1; + } + } + break; + + case GL_LUMINANCE: + for (i = 0 ; i < height ; i++) { + src = (CARD8 *)image->Data + ((y + i) * pitch + x); + for (j = width; j; j--) { + pix = R128PACKCOLOR8888(src[0], src[0], src[0], 0xff); + R128CCE(pix); + src += 1; + } + } + break; + + case GL_LUMINANCE_ALPHA: + for (i = 0; i < height; i++) { + src = (CARD8 *)image->Data + ((y + i) * pitch + x) * 2; + for (j = width; j; j-- ) { + pix = R128PACKCOLOR8888(src[0], src[0], src[0], src[1]); + R128CCE(pix); + src += 2; + } + } + break; + + case GL_INTENSITY: + for (i = 0; i < height; i++) { + src = (CARD8 *)image->Data + ((y + i) * pitch + x); + for (j = width; j; j--) { + pix = R128PACKCOLOR8888(src[0], src[0], src[0], src[0]); + R128CCE(pix); + src += 1; + } + } + break; + + default: + fprintf(stderr, "r128ConvertTexture32bpp: unsupported format 0x%x\n", + image->Format); + } +} + +/* Upload the texture image associated with texture `t' at level `level' + at the address relative to `start'. */ +/* NOTE: This function is only called while holding the hardware lock */ +static void r128UploadSubImage(r128ContextPtr r128ctx, + r128TexObjPtr t, int level, + int x, int y, int width, int height) +{ + struct gl_texture_image *image; + int texelsPerDword = 0; + int imageWidth, imageHeight; + int remaining, rows; + int format, pitch, dwords; + CARD32 offset; + + /* Ensure we have a valid texture to upload */ + if (level < 0 || level > R128_TEX_MAXLEVELS) return; + if (!(image = t->tObj->Image[level])) return; + + /* FIXME: support RGB888 (i.e., 24bpp) textures? */ + switch (t->texelBytes) { + case 1: texelsPerDword = 4; break; + case 2: texelsPerDword = 2; break; + case 4: texelsPerDword = 1; break; + } + + imageWidth = image->Width; + imageHeight = image->Height; + + format = t->textureFormat >> 16; + + /* The texel upload routines have a minimum width, so force the size + if needed */ + if (imageWidth < texelsPerDword) { + int factor; + + factor = texelsPerDword / imageWidth; + imageWidth = texelsPerDword; + imageHeight /= factor; + if (imageHeight == 0) { + /* In this case, the texel converter will actually walk a + texel or two off the end of the image, but normal malloc + alignment should prevent it from ever causing a fault. */ + imageHeight = 1; + } + } + + /* We can't upload to a pitch less than 8 texels so we will need to + linearly upload all modified rows for textures smaller than this. + This makes the x/y/width/height different for the blitter and the + texture walker. */ + if (imageWidth >= 8) { + /* The texture walker and the blitter look identical */ + pitch = imageWidth >> 3; + } else { + int factor; + int y2; + int start, end; + + start = (y * imageWidth) & ~7; + end = (y + height) * imageWidth; + + if (end - start < 8) { + /* Handle the case where the total number of texels uploaded + is < 8 */ + x = 0; + y = start / 8; + width = end - start; + height = 1; + } else { + /* Upload some number of full 8 texel blit rows */ + factor = 8 / imageWidth; + + y2 = y + height - 1; + y /= factor; + y2 /= factor; + + x = 0; + width = 8; + height = y2 - y + 1; + } + + /* Fixed pitch of 8 */ + pitch = 1; + } + + dwords = width * height / texelsPerDword; + offset = (CARD32)(t->bufAddr + t->image[level].offset); + + /* Fix offset for AGP textures */ + if (t->heap == R128_AGP_TEX_HEAP) + offset += R128_AGP_TEX_OFFSET + r128ctx->r128Screen->agpTexOffset; + + if (R128_DEBUG_FLAGS & DEBUG_VERBOSE_API) { + fprintf(stderr, "r128UploadSubImage: %d,%d of %d,%d at %d,%d\n", + width, height, image->Width, image->Height, x, y); + fprintf(stderr, " blit ofs: 0x%08x pitch: 0x%x dwords: %d " + "level: %d format: %x\n", + (int)offset, pitch, dwords, level, format); + } + +#define R128_MAX_BLIT_DWORDS 8192 + /* Subdivide the texture if required */ + if (dwords < R128_MAX_BLIT_DWORDS) { + rows = height; + } else { + rows = (R128_MAX_BLIT_DWORDS * texelsPerDword) / (2 * width); + } + + /* Flush the pixel cache, and mark the contents as Read Invalid */ + R128CCE0(R128_CCE_PACKET0, R128_PC_GUI_CTLSTAT, 0); + R128CCE(r128ctx->regs.pc_gui_ctlstat | + R128_PC_RI_GUI | + R128_PC_FLUSH_GUI); + R128CCE_SUBMIT_PACKETS(); + + /* Build the CCE host data blit header */ + R128CCE3(R128_CCE_PACKET3_CNTL_HOSTDATA_BLT, 0); + + /* DP_GUI_MASTER_CNTL */ + R128CCE(R128_GMC_DST_PITCH_OFFSET_CNTL | + R128_GMC_BRUSH_NONE | + (format << 8) | + R128_GMC_SRC_DATATYPE_COLOR | + R128_ROP3_S | + R128_DP_SRC_SOURCE_HOST_DATA | + R128_GMC_CLR_CMP_CNTL_DIS | + R128_AUX_CLIP_DIS | + R128_GMC_WR_MSK_DIS ); + + /* DST_OFFSET_PITCH - fixed at the moment until we get better ring + control */ + R128CCE((pitch << 21) | (offset>>5)); + + /* FRGD_COLOR, BKGD_COLOR */ + R128CCE(0xffffffff); + R128CCE(0xffffffff); + + for (remaining = height; remaining > 0; remaining -= rows, y += rows) { + height = (remaining >= rows) ? rows : remaining; + dwords = width * height / texelsPerDword; + + if (R128_DEBUG_FLAGS & DEBUG_VERBOSE_API) { + fprintf(stderr, " blitting: %d,%d at %d,%d - %d dwords\n", + width, height, x, y, dwords); + } + + r128ctx->CCEbuf[0] &= ~R128_CCE_PACKET_COUNT_MASK; + r128ctx->CCEbuf[0] |= (dwords + 6) << 16; + + /* Blit coords, size */ + R128CCE((y << 16) | x); + R128CCE((height << 16) | width); + R128CCE(dwords); + + /* Actually do the texture conversion */ + switch (t->texelBytes) { + case 1: + r128ConvertTexture8bpp(r128ctx, image, + x, y, width, height, width); + break; + case 2: + r128ConvertTexture16bpp(r128ctx, image, + x, y, width, height, width); + break; + case 4: + r128ConvertTexture32bpp(r128ctx, + image, x, y, width, height, width); + break; + } + + /* Flush the pixel cache */ + R128CCE0(R128_CCE_PACKET0, R128_PC_GUI_CTLSTAT, 0 ); + R128CCE(r128ctx->regs.pc_gui_ctlstat | R128_PC_FLUSH_GUI); + + /* Save the partial blit header */ + R128CCE_SUBMIT_PACKETS(); + r128ctx->CCEcount = 5; + } + + /* Clean up CCE ring buffer */ + r128ctx->CCEcount = 0; +} + +/* Upload the texture images associated with texture `t'. This might + require removing our own and/or other client's texture objects to + make room for these images. */ +/* NOTE: This function is only called while holding the hardware lock */ +int r128UploadTexImages(r128ContextPtr r128ctx, r128TexObjPtr t) +{ + int i; + int minLevel; + int maxLevel; + int heap; + + if (!t) return 0; + + /* Choose the heap appropriately */ + heap = t->heap = R128_LOCAL_TEX_HEAP; + if (!r128ctx->r128Screen->IsPCI && + t->totalSize > r128ctx->r128Screen->texSize[heap]) + heap = t->heap = R128_AGP_TEX_HEAP; + + /* Do we need to eject LRU texture objects? */ + if (!t->memBlock) { + /* Allocate a memory block on a 4k boundary (1<<12 == 4096) */ + t->memBlock = mmAllocMem(r128ctx->texHeap[heap], t->totalSize, 12, 0); + + /* Try AGP before kicking anything out of local mem */ + if (!t->memBlock && heap == R128_LOCAL_TEX_HEAP) { + t->memBlock = mmAllocMem(r128ctx->texHeap[R128_AGP_TEX_HEAP], + t->totalSize, 12, 0); + + if (t->memBlock) heap = t->heap = R128_AGP_TEX_HEAP; + } + + /* Kick out textures until the requested texture fits */ + while (!t->memBlock) { + if (r128ctx->TexObjList[heap].prev->bound) { + fprintf(stderr, + "r128UploadTexImages: ran into bound texture\n"); + return -1; + } + if (r128ctx->TexObjList[heap].prev == + &(r128ctx->TexObjList[heap])) { + if (r128ctx->r128Screen->IsPCI) { + fprintf(stderr, "r128UploadTexImages: upload texture " + "failure on local texture heaps, sz=%d\n", + t->totalSize); + return -1; + } else if (heap == R128_LOCAL_TEX_HEAP) { + heap = t->heap = R128_AGP_TEX_HEAP; + continue; + } else { + fprintf(stderr, "r128UploadTexImages: upload texture " + "failure on both local and AGP texture heaps, " + "sz=%d\n", + t->totalSize); + return -1; + } + } + + r128DestroyTexObj(r128ctx, r128ctx->TexObjList[heap].prev); + + t->memBlock = mmAllocMem(r128ctx->texHeap[heap], + t->totalSize, 12, 0); + } + + /* Set the base offset of the texture image */ + t->bufAddr = (unsigned char *)r128ctx->r128Screen->texOffset[heap]; + t->bufAddr += t->memBlock->ofs; + + maxLevel = ((t->regs.size_pitch & R128_TEX_SIZE_MASK) >> + R128_TEX_SIZE_SHIFT); + minLevel = ((t->regs.size_pitch & R128_TEX_MIN_SIZE_MASK) >> + R128_TEX_MIN_SIZE_SHIFT); + + /* Update the hardware's texture image addresses */ + switch (t->bound) { + case 1: + /* Set texture offsets */ + if (t->regs.tex_cntl & R128_MIP_MAP_DISABLE) { + for (i = 0; i < R128_TEX_MAXLEVELS; i++) + r128ctx->regs.prim_tex_offset[i] = (CARD32)t->bufAddr; + } else { + for (i = maxLevel; i >= minLevel; i--) + r128ctx->regs.prim_tex_offset[i] = + t->image[maxLevel-i].offset + (CARD32)t->bufAddr; + } + /* Fix AGP texture offsets */ + if (heap == R128_AGP_TEX_HEAP) + for (i = 0; i < R128_TEX_MAXLEVELS; i++) + r128ctx->regs.prim_tex_offset[i] += + R128_AGP_TEX_OFFSET + + r128ctx->r128Screen->agpTexOffset; + /* Force loading the new state into the hardware */ + r128ctx->dirty |= R128_UPDATE_CONTEXT; + r128ctx->dirty_context |= R128_CTX_TEX0STATE; + break; + + case 2: + /* Set texture offsets */ + if (t->regs.tex_cntl & R128_MIP_MAP_DISABLE) { + for (i = 0; i < R128_TEX_MAXLEVELS; i++) + r128ctx->regs.sec_tex_offset[i] = (CARD32)t->bufAddr; + } else { + for (i = maxLevel; i >= minLevel; i--) + r128ctx->regs.sec_tex_offset[i] = + t->image[maxLevel-i].offset + (CARD32)t->bufAddr; + } + /* Fix AGP texture offsets */ + if (heap == R128_AGP_TEX_HEAP) + for (i = 0; i < R128_TEX_MAXLEVELS; i++) + r128ctx->regs.sec_tex_offset[i] += + R128_AGP_TEX_OFFSET + + r128ctx->r128Screen->agpTexOffset; + /* Force loading the new state into the hardware */ + r128ctx->dirty |= R128_UPDATE_CONTEXT; + r128ctx->dirty_context |= R128_CTX_TEX1STATE; + break; + + default: + return -1; + } + } + + /* Let the world know we've used this memory recently */ + r128UpdateTexLRU(r128ctx, t); + + /* Upload any images that are new */ + if (t->dirty_images) { + int num_levels = (((t->regs.size_pitch & R128_TEX_SIZE_MASK) >> + R128_TEX_SIZE_SHIFT) - + ((t->regs.size_pitch & R128_TEX_MIN_SIZE_MASK) >> + R128_TEX_MIN_SIZE_SHIFT)); + + for (i = 0; i <= num_levels; i++) { + if (t->dirty_images & (1<<i)) { + r128UploadSubImage(r128ctx, t, i, 0, 0, + t->image[i].width, t->image[i].height); + } + } + + r128ctx->regs.tex_cntl_c |= R128_TEX_CACHE_FLUSH; + + r128ctx->dirty |= R128_UPDATE_CONTEXT; + r128ctx->dirty_context |= R128_CTX_ENGINESTATE; + } + + t->dirty_images = 0; + return 0; +} + +/* Update the hardware state for texture unit 0 */ +/* NOTE: This function is only called while holding the hardware lock */ +static void r128UpdateTex0State(r128ContextPtr r128ctx) +{ + GLcontext *ctx = r128ctx->glCtx; + r128TexObjPtr t; + struct gl_texture_object *tObj; + int i; + CARD32 tex_size_pitch, tex_combine_cntl; + + /* Only update the hardware texture state if the texture is current, + complete and enabled. */ + if (!(tObj = ctx->Texture.Unit[0].Current)) return; + if ((tObj != ctx->Texture.Unit[0].CurrentD[2]) && + (tObj != ctx->Texture.Unit[0].CurrentD[1])) return; + if (!tObj->Complete) return; + + /* If neither tex0 nor tex1 is enabled, then disable tex0. However, + if tex1 is enabled but tex0 is disabled, then we need to enable + tex0 and have it to copy the input (see how tex_combine_cntl is + setup below). */ + if (!(ctx->Texture.Enabled & (ENABLE_TEX0 | ENABLE_TEX1))) { + r128ctx->regs.tex_cntl_c &= ~R128_TEXMAP_ENABLE; + return; + } + + /* If this is the first time the texture has been used, then create + a new texture object for it. */ + t = tObj->DriverData; + if (!t) t = r128CreateTexObj(r128ctx, tObj); + if (!t) return; + + if (R128_DEBUG_FLAGS & DEBUG_VERBOSE_API) + fprintf(stderr, "r128UpdateTex0State(%p, 0x%08x)\n", + tObj, (int)t->dirty_images); + + /* Force any texture images to be loaded into the hardware */ + if (t->dirty_images) r128ctx->dirty |= R128_UPDATE_TEX0IMAGES; + + /* Bind texture to texture 0 unit */ + r128ctx->CurrentTexObj[0] = t; + t->bound = 1; + + if (t->memBlock) r128UpdateTexLRU(r128ctx, t); + + /* Set the texture environment state */ + switch (ctx->Texture.Unit[0].EnvMode) { + case GL_REPLACE: + switch (tObj->Image[0]->Format) { + case GL_RGBA: + case GL_LUMINANCE_ALPHA: + case GL_INTENSITY: + tex_combine_cntl = (R128_COMB_DIS | + R128_COLOR_FACTOR_TEX | + R128_INPUT_FACTOR_INT_COLOR | + R128_COMB_ALPHA_DIS | + R128_ALPHA_FACTOR_TEX_ALPHA | + R128_INP_FACTOR_A_INT_ALPHA); + break; + case GL_RGB: + case GL_LUMINANCE: + tex_combine_cntl = (R128_COMB_DIS | + R128_COLOR_FACTOR_TEX | + R128_INPUT_FACTOR_INT_COLOR | + R128_COMB_ALPHA_COPY_INP | + R128_ALPHA_FACTOR_TEX_ALPHA | + R128_INP_FACTOR_A_INT_ALPHA); + break; + case GL_ALPHA: + tex_combine_cntl = (R128_COMB_COPY_INP | + R128_COLOR_FACTOR_TEX | + R128_INPUT_FACTOR_INT_COLOR | + R128_COMB_ALPHA_DIS | + R128_ALPHA_FACTOR_TEX_ALPHA | + R128_INP_FACTOR_A_INT_ALPHA); + break; + case GL_COLOR_INDEX: + default: + return; + } + break; + + case GL_BLEND: + switch (tObj->Image[0]->Format) { + case GL_RGBA: + case GL_LUMINANCE_ALPHA: + switch (r128ctx->regs.constant_color_c & + R128_CONSTANT_COLOR_MASK) { + case R128_CONSTANT_COLOR_ZERO: + tex_combine_cntl = (R128_COMB_MODULATE | + R128_COLOR_FACTOR_NTEX | + R128_INPUT_FACTOR_INT_COLOR | + R128_COMB_ALPHA_MODULATE | + R128_ALPHA_FACTOR_TEX_ALPHA | + R128_INP_FACTOR_A_INT_ALPHA); + break; + case R128_CONSTANT_COLOR_ONE: + default: + tex_combine_cntl = (R128_COMB_MODULATE | + R128_COLOR_FACTOR_TEX | + R128_INPUT_FACTOR_INT_COLOR | + R128_COMB_ALPHA_MODULATE | + R128_ALPHA_FACTOR_TEX_ALPHA | + R128_INP_FACTOR_A_INT_ALPHA); + r128ctx->Fallback |= R128_FALLBACK_TEXTURE; + break; + } + break; + case GL_RGB: + case GL_LUMINANCE: + switch (r128ctx->regs.constant_color_c & + R128_CONSTANT_COLOR_MASK) { + case R128_CONSTANT_COLOR_ZERO: + tex_combine_cntl = (R128_COMB_MODULATE | + R128_COLOR_FACTOR_NTEX | + R128_INPUT_FACTOR_INT_COLOR | + R128_COMB_ALPHA_COPY_INP | + R128_ALPHA_FACTOR_TEX_ALPHA | + R128_INP_FACTOR_A_INT_ALPHA); + break; + case R128_CONSTANT_COLOR_ONE: + default: + tex_combine_cntl = (R128_COMB_MODULATE | + R128_COLOR_FACTOR_TEX | + R128_INPUT_FACTOR_INT_COLOR | + R128_COMB_ALPHA_COPY_INP | + R128_ALPHA_FACTOR_TEX_ALPHA | + R128_INP_FACTOR_A_INT_ALPHA); + r128ctx->Fallback |= R128_FALLBACK_TEXTURE; + break; + } + break; + case GL_ALPHA: + tex_combine_cntl = (R128_COMB_COPY_INP | + R128_COLOR_FACTOR_TEX | + R128_INPUT_FACTOR_INT_COLOR | + R128_COMB_ALPHA_MODULATE | + R128_ALPHA_FACTOR_TEX_ALPHA | + R128_INP_FACTOR_A_INT_ALPHA); + break; + case GL_INTENSITY: + switch (r128ctx->regs.constant_color_c & + R128_CONSTANT_COLOR_MASK) { + case R128_CONSTANT_COLOR_ZERO: + tex_combine_cntl = (R128_COMB_MODULATE | + R128_COLOR_FACTOR_NTEX | + R128_INPUT_FACTOR_INT_COLOR | + R128_COMB_ALPHA_MODULATE | + R128_ALPHA_FACTOR_NTEX_ALPHA | + R128_INP_FACTOR_A_INT_ALPHA); + break; + case R128_CONSTANT_COLOR_ONE: + default: + tex_combine_cntl = (R128_COMB_MODULATE | + R128_COLOR_FACTOR_TEX | + R128_INPUT_FACTOR_INT_COLOR | + R128_COMB_ALPHA_MODULATE | + R128_ALPHA_FACTOR_TEX_ALPHA | + R128_INP_FACTOR_A_INT_ALPHA); + r128ctx->Fallback |= R128_FALLBACK_TEXTURE; + break; + } + break; + case GL_COLOR_INDEX: + default: + return; + } + break; + + case GL_MODULATE: + switch (tObj->Image[0]->Format) { + case GL_RGBA: + case GL_LUMINANCE_ALPHA: + case GL_INTENSITY: + tex_combine_cntl = (R128_COMB_MODULATE | + R128_COLOR_FACTOR_TEX | + R128_INPUT_FACTOR_INT_COLOR | + R128_COMB_ALPHA_MODULATE | + R128_ALPHA_FACTOR_TEX_ALPHA | + R128_INP_FACTOR_A_INT_ALPHA); + break; + case GL_RGB: + case GL_LUMINANCE: + tex_combine_cntl = (R128_COMB_MODULATE | + R128_COLOR_FACTOR_TEX | + R128_INPUT_FACTOR_INT_COLOR | + R128_COMB_ALPHA_COPY_INP | + R128_ALPHA_FACTOR_TEX_ALPHA | + R128_INP_FACTOR_A_INT_ALPHA); + break; + case GL_ALPHA: + tex_combine_cntl = (R128_COMB_COPY_INP | + R128_COLOR_FACTOR_TEX | + R128_INPUT_FACTOR_INT_COLOR | + R128_COMB_ALPHA_MODULATE | + R128_ALPHA_FACTOR_TEX_ALPHA | + R128_INP_FACTOR_A_INT_ALPHA); + break; + case GL_COLOR_INDEX: + default: + return; + } + break; + + case GL_DECAL: + switch (tObj->Image[0]->Format) { + case GL_RGBA: + tex_combine_cntl = (R128_COMB_BLEND_TEXTURE | + R128_COLOR_FACTOR_TEX | + R128_INPUT_FACTOR_INT_COLOR | + R128_COMB_ALPHA_COPY_INP | + R128_ALPHA_FACTOR_TEX_ALPHA | + R128_INP_FACTOR_A_INT_ALPHA); + break; + case GL_RGB: + tex_combine_cntl = (R128_COMB_DIS | + R128_COLOR_FACTOR_TEX | + R128_INPUT_FACTOR_INT_COLOR | + R128_COMB_ALPHA_COPY_INP | + R128_ALPHA_FACTOR_TEX_ALPHA | + R128_INP_FACTOR_A_INT_ALPHA); + break; + case GL_ALPHA: + case GL_LUMINANCE: + case GL_LUMINANCE_ALPHA: + case GL_INTENSITY: + /* Undefined behaviour - just copy the input */ + tex_combine_cntl = (R128_COMB_COPY_INP | + R128_COLOR_FACTOR_TEX | + R128_INPUT_FACTOR_INT_COLOR | + R128_COMB_ALPHA_COPY_INP | + R128_ALPHA_FACTOR_TEX_ALPHA | + R128_INP_FACTOR_A_INT_ALPHA); + break; + case GL_COLOR_INDEX: + default: + return; + } + break; + + case GL_ADD: + switch (tObj->Image[0]->Format) { + case GL_RGBA: + case GL_LUMINANCE_ALPHA: + case GL_INTENSITY: + tex_combine_cntl = (R128_COMB_ADD | + R128_COLOR_FACTOR_TEX | + R128_INPUT_FACTOR_INT_COLOR | + R128_COMB_ALPHA_MODULATE | + R128_ALPHA_FACTOR_TEX_ALPHA | + R128_INP_FACTOR_A_INT_ALPHA); + break; + case GL_RGB: + case GL_LUMINANCE: + tex_combine_cntl = (R128_COMB_ADD | + R128_COLOR_FACTOR_TEX | + R128_INPUT_FACTOR_INT_COLOR | + R128_COMB_ALPHA_COPY_INP | + R128_ALPHA_FACTOR_TEX_ALPHA | + R128_INP_FACTOR_A_INT_ALPHA); + break; + case GL_ALPHA: + tex_combine_cntl = (R128_COMB_COPY_INP | + R128_COLOR_FACTOR_TEX | + R128_INPUT_FACTOR_INT_COLOR | + R128_COMB_ALPHA_MODULATE | + R128_ALPHA_FACTOR_TEX_ALPHA | + R128_INP_FACTOR_A_INT_ALPHA); + break; + case GL_COLOR_INDEX: + default: + return; + } + break; + + default: + return; + } + + /* If tex0 is disabled, then make sure it just copies the input */ + if (!(ctx->Texture.Enabled & ENABLE_TEX0)) + tex_combine_cntl = (R128_COMB_COPY_INP | + R128_COLOR_FACTOR_TEX | + R128_INPUT_FACTOR_INT_COLOR | + R128_COMB_ALPHA_COPY_INP | + R128_ALPHA_FACTOR_TEX_ALPHA | + R128_INP_FACTOR_A_INT_ALPHA); + + /* Enable tex0 */ + r128ctx->regs.tex_cntl_c |= R128_TEXMAP_ENABLE; + + tex_size_pitch = r128ctx->regs.tex_size_pitch_c; + tex_size_pitch &= ~R128_TEX_SIZE_PITCH_MASK; + tex_size_pitch |= t->regs.size_pitch << R128_TEX_SIZE_PITCH_SHIFT; + + /* Set the primary texture state in r128ctx->regs */ + r128ctx->regs.prim_tex_cntl_c = t->regs.tex_cntl; + r128ctx->regs.prim_texture_combine_cntl_c = tex_combine_cntl; + r128ctx->regs.tex_size_pitch_c = tex_size_pitch; + r128ctx->regs.prim_texture_border_color_c = t->regs.border_color; + + /* Set texture offsets */ + if (t->regs.tex_cntl & R128_MIP_MAP_DISABLE) { + for (i = 0; i < R128_TEX_MAXLEVELS; i++) + r128ctx->regs.prim_tex_offset[i] = (CARD32)t->bufAddr; + } else { + int maxLevel = ((t->regs.size_pitch & R128_TEX_SIZE_MASK) >> + R128_TEX_SIZE_SHIFT); + int minLevel = ((t->regs.size_pitch & R128_TEX_MIN_SIZE_MASK) >> + R128_TEX_MIN_SIZE_SHIFT); + for (i = maxLevel; i >= minLevel; i--) + r128ctx->regs.prim_tex_offset[i] = + t->image[maxLevel-i].offset + (CARD32)t->bufAddr; + } + /* Fix AGP texture offsets */ + if (t->heap == R128_AGP_TEX_HEAP) + for (i = 0; i < R128_TEX_MAXLEVELS; i++) + r128ctx->regs.prim_tex_offset[i] += + R128_AGP_TEX_OFFSET + r128ctx->r128Screen->agpTexOffset; + + /* Force loading the new state into the hardware */ + r128ctx->dirty |= R128_UPDATE_CONTEXT; + r128ctx->dirty_context |= R128_CTX_TEX0STATE | R128_CTX_ENGINESTATE; +} + +/* Update the hardware state for texture unit 1 */ +/* NOTE: This function is only called while holding the hardware lock */ +static void r128UpdateTex1State(r128ContextPtr r128ctx) +{ + GLcontext *ctx = r128ctx->glCtx; + r128TexObjPtr t; + struct gl_texture_object *tObj; + int i; + CARD32 tex_size_pitch, tex_combine_cntl, tex_cntl; + + /* Only update the hardware texture state if the texture is current, + complete and enabled. */ + if (!(tObj = ctx->Texture.Unit[1].Current)) return; + if ((tObj != ctx->Texture.Unit[1].CurrentD[2]) && + (tObj != ctx->Texture.Unit[1].CurrentD[1])) return; + if (!tObj->Complete) return; + + /* If tex1 is not enabled, then disable it */ + if (!(ctx->Texture.Enabled & ENABLE_TEX1)) { + r128ctx->regs.tex_cntl_c &= ~R128_SEC_TEXMAP_ENABLE; + return; + } + + /* If this is the first time the texture has been used, then create + a new texture object for it. */ + t = tObj->DriverData; + if (!t) t = r128CreateTexObj(r128ctx, tObj); + if (!t) return; + + if (R128_DEBUG_FLAGS & DEBUG_VERBOSE_API) + fprintf(stderr, "r128UpdateTex1State(%p, 0x%08x)\n", + tObj, (int)t->dirty_images); + + /* Force any texture images to be loaded into the hardware */ + if (t->dirty_images) r128ctx->dirty |= R128_UPDATE_TEX1IMAGES; + + /* Bind texture to texture 1 unit */ + r128ctx->CurrentTexObj[1] = t; + t->bound = 2; + + if (t->memBlock) r128UpdateTexLRU(r128ctx, t); + + /* Set the texture environment state */ + switch (ctx->Texture.Unit[1].EnvMode) { + case GL_REPLACE: + switch (tObj->Image[0]->Format) { + case GL_RGBA: + case GL_LUMINANCE_ALPHA: + case GL_INTENSITY: + tex_combine_cntl = (R128_COMB_DIS | + R128_COLOR_FACTOR_TEX | + R128_INPUT_FACTOR_PREV_COLOR | + R128_COMB_ALPHA_DIS | + R128_ALPHA_FACTOR_TEX_ALPHA | + R128_INP_FACTOR_A_PREV_ALPHA); + break; + case GL_RGB: + case GL_LUMINANCE: + tex_combine_cntl = (R128_COMB_DIS | + R128_COLOR_FACTOR_TEX | + R128_INPUT_FACTOR_PREV_COLOR | + R128_COMB_ALPHA_COPY_INP | + R128_ALPHA_FACTOR_TEX_ALPHA | + R128_INP_FACTOR_A_PREV_ALPHA); + break; + case GL_ALPHA: + tex_combine_cntl = (R128_COMB_COPY_INP | + R128_COLOR_FACTOR_TEX | + R128_INPUT_FACTOR_PREV_COLOR | + R128_COMB_ALPHA_DIS | + R128_ALPHA_FACTOR_TEX_ALPHA | + R128_INP_FACTOR_A_PREV_ALPHA); + break; + case GL_COLOR_INDEX: + default: + return; + } + break; + + case GL_BLEND: + switch (tObj->Image[0]->Format) { + case GL_RGBA: + case GL_LUMINANCE_ALPHA: + switch ( r128ctx->regs.constant_color_c & R128_CONSTANT_COLOR_MASK ) { + case R128_CONSTANT_COLOR_ZERO: + tex_combine_cntl = (R128_COMB_MODULATE | + R128_COLOR_FACTOR_NTEX | + R128_INPUT_FACTOR_PREV_COLOR | + R128_COMB_ALPHA_MODULATE | + R128_ALPHA_FACTOR_TEX_ALPHA | + R128_INP_FACTOR_A_PREV_ALPHA); + break; + case R128_CONSTANT_COLOR_ONE: + default: + tex_combine_cntl = (R128_COMB_MODULATE | + R128_COLOR_FACTOR_TEX | + R128_INPUT_FACTOR_PREV_COLOR | + R128_COMB_ALPHA_MODULATE | + R128_ALPHA_FACTOR_TEX_ALPHA | + R128_INP_FACTOR_A_PREV_ALPHA); + r128ctx->Fallback |= R128_FALLBACK_TEXTURE; + break; + } + break; + case GL_RGB: + case GL_LUMINANCE: + switch (r128ctx->regs.constant_color_c & + R128_CONSTANT_COLOR_MASK) { + case R128_CONSTANT_COLOR_ZERO: + tex_combine_cntl = (R128_COMB_MODULATE | + R128_COLOR_FACTOR_NTEX | + R128_INPUT_FACTOR_PREV_COLOR | + R128_COMB_ALPHA_COPY_INP | + R128_ALPHA_FACTOR_TEX_ALPHA | + R128_INP_FACTOR_A_PREV_ALPHA ); + break; + case R128_CONSTANT_COLOR_ONE: + default: + tex_combine_cntl = (R128_COMB_MODULATE | + R128_COLOR_FACTOR_TEX | + R128_INPUT_FACTOR_PREV_COLOR | + R128_COMB_ALPHA_COPY_INP | + R128_ALPHA_FACTOR_TEX_ALPHA | + R128_INP_FACTOR_A_PREV_ALPHA ); + r128ctx->Fallback |= R128_FALLBACK_TEXTURE; + break; + } + break; + case GL_ALPHA: + tex_combine_cntl = (R128_COMB_COPY_INP | + R128_COLOR_FACTOR_TEX | + R128_INPUT_FACTOR_PREV_COLOR | + R128_COMB_ALPHA_MODULATE | + R128_ALPHA_FACTOR_TEX_ALPHA | + R128_INP_FACTOR_A_PREV_ALPHA); + break; + case GL_INTENSITY: + switch (r128ctx->regs.constant_color_c & + R128_CONSTANT_COLOR_MASK) { + case R128_CONSTANT_COLOR_ZERO: + tex_combine_cntl = (R128_COMB_MODULATE | + R128_COLOR_FACTOR_NTEX | + R128_INPUT_FACTOR_PREV_COLOR | + R128_COMB_ALPHA_MODULATE | + R128_ALPHA_FACTOR_NTEX_ALPHA | + R128_INP_FACTOR_A_PREV_ALPHA); + break; + case R128_CONSTANT_COLOR_ONE: + default: + tex_combine_cntl = (R128_COMB_MODULATE | + R128_COLOR_FACTOR_TEX | + R128_INPUT_FACTOR_PREV_COLOR | + R128_COMB_ALPHA_MODULATE | + R128_ALPHA_FACTOR_TEX_ALPHA | + R128_INP_FACTOR_A_PREV_ALPHA); + r128ctx->Fallback |= R128_FALLBACK_TEXTURE; + break; + } + break; + case GL_COLOR_INDEX: + default: + return; + } + break; + + case GL_MODULATE: + switch (tObj->Image[0]->Format) { + case GL_RGBA: + case GL_LUMINANCE_ALPHA: + case GL_INTENSITY: + tex_combine_cntl = (R128_COMB_MODULATE | + R128_COLOR_FACTOR_TEX | + R128_INPUT_FACTOR_PREV_COLOR | + R128_COMB_ALPHA_MODULATE | + R128_ALPHA_FACTOR_TEX_ALPHA | + R128_INP_FACTOR_A_PREV_ALPHA); + break; + case GL_RGB: + case GL_LUMINANCE: + tex_combine_cntl = (R128_COMB_MODULATE | + R128_COLOR_FACTOR_TEX | + R128_INPUT_FACTOR_PREV_COLOR | + R128_COMB_ALPHA_COPY_INP | + R128_ALPHA_FACTOR_TEX_ALPHA | + R128_INP_FACTOR_A_PREV_ALPHA); + break; + case GL_ALPHA: + tex_combine_cntl = (R128_COMB_COPY_INP | + R128_COLOR_FACTOR_TEX | + R128_INPUT_FACTOR_PREV_COLOR | + R128_COMB_ALPHA_MODULATE | + R128_ALPHA_FACTOR_TEX_ALPHA | + R128_INP_FACTOR_A_PREV_ALPHA); + break; + case GL_COLOR_INDEX: + default: + return; + } + break; + + case GL_DECAL: + switch (tObj->Image[0]->Format) { + case GL_RGBA: + tex_combine_cntl = (R128_COMB_BLEND_TEXTURE | + R128_COLOR_FACTOR_TEX | + R128_INPUT_FACTOR_PREV_COLOR | + R128_COMB_ALPHA_COPY_INP | + R128_ALPHA_FACTOR_TEX_ALPHA | + R128_INP_FACTOR_A_PREV_ALPHA); + break; + case GL_RGB: + tex_combine_cntl = (R128_COMB_DIS | + R128_COLOR_FACTOR_TEX | + R128_INPUT_FACTOR_PREV_COLOR | + R128_COMB_ALPHA_COPY_INP | + R128_ALPHA_FACTOR_TEX_ALPHA | + R128_INP_FACTOR_A_PREV_ALPHA); + break; + case GL_ALPHA: + case GL_LUMINANCE: + case GL_LUMINANCE_ALPHA: + case GL_INTENSITY: + /* Undefined behaviour - just copy the input */ + tex_combine_cntl = (R128_COMB_COPY_INP | + R128_COLOR_FACTOR_TEX | + R128_INPUT_FACTOR_PREV_COLOR | + R128_COMB_ALPHA_COPY_INP | + R128_ALPHA_FACTOR_TEX_ALPHA | + R128_INP_FACTOR_A_PREV_ALPHA); + break; + case GL_COLOR_INDEX: + default: + return; + } + break; + + case GL_ADD: + switch (tObj->Image[0]->Format) { + case GL_RGBA: + case GL_LUMINANCE_ALPHA: + case GL_INTENSITY: + tex_combine_cntl = (R128_COMB_ADD | + R128_COLOR_FACTOR_TEX | + R128_INPUT_FACTOR_PREV_COLOR | + R128_COMB_ALPHA_MODULATE | + R128_ALPHA_FACTOR_TEX_ALPHA | + R128_INP_FACTOR_A_PREV_ALPHA); + break; + case GL_RGB: + case GL_LUMINANCE: + tex_combine_cntl = (R128_COMB_ADD | + R128_COLOR_FACTOR_TEX | + R128_INPUT_FACTOR_PREV_COLOR | + R128_COMB_ALPHA_COPY_INP | + R128_ALPHA_FACTOR_TEX_ALPHA | + R128_INP_FACTOR_A_PREV_ALPHA); + break; + case GL_ALPHA: + tex_combine_cntl = (R128_COMB_COPY_INP | + R128_COLOR_FACTOR_TEX | + R128_INPUT_FACTOR_PREV_COLOR | + R128_COMB_ALPHA_MODULATE | + R128_ALPHA_FACTOR_TEX_ALPHA | + R128_INP_FACTOR_A_PREV_ALPHA); + break; + case GL_COLOR_INDEX: + default: + return; + } + break; + + default: + return; + } + + /* Enable tex1 */ + r128ctx->regs.tex_cntl_c |= R128_SEC_TEXMAP_ENABLE; + + tex_size_pitch = r128ctx->regs.tex_size_pitch_c; + tex_size_pitch &= ~R128_SEC_TEX_SIZE_PITCH_MASK; + tex_size_pitch |= t->regs.size_pitch << R128_SEC_TEX_SIZE_PITCH_SHIFT; + + tex_cntl = t->regs.tex_cntl | R128_SEC_SELECT_SEC_ST; + + /* Set the secondary texture state in r128ctx->regs */ + r128ctx->regs.sec_tex_cntl_c = tex_cntl; + r128ctx->regs.sec_tex_combine_cntl_c = tex_combine_cntl; + r128ctx->regs.tex_size_pitch_c = tex_size_pitch; + r128ctx->regs.sec_texture_border_color_c = t->regs.border_color; + + /* Set texture offsets */ + if (t->regs.tex_cntl & R128_MIP_MAP_DISABLE) { + for (i = 0; i < R128_TEX_MAXLEVELS; i++) + r128ctx->regs.sec_tex_offset[i] = (CARD32)t->bufAddr; + } else { + int maxLevel = ((t->regs.size_pitch & R128_TEX_SIZE_MASK) >> + R128_TEX_SIZE_SHIFT); + int minLevel = ((t->regs.size_pitch & R128_TEX_MIN_SIZE_MASK) >> + R128_TEX_MIN_SIZE_SHIFT); + for (i = maxLevel; i >= minLevel; i--) + r128ctx->regs.sec_tex_offset[i] = + t->image[maxLevel-i].offset + (CARD32)t->bufAddr; + } + /* Fix AGP texture offsets */ + if (t->heap == R128_AGP_TEX_HEAP) + for (i = 0; i < R128_TEX_MAXLEVELS; i++) + r128ctx->regs.sec_tex_offset[i] += + R128_AGP_TEX_OFFSET + r128ctx->r128Screen->agpTexOffset; + + /* Force loading the new state into the hardware */ + r128ctx->dirty |= R128_UPDATE_CONTEXT; + r128ctx->dirty_context |= R128_CTX_TEX1STATE | R128_CTX_ENGINESTATE; +} + +/* Update the hardware texture state */ +/* NOTE: This function is only called while holding the hardware lock */ +void r128UpdateTextureState(r128ContextPtr r128ctx) +{ + /* Clear the GL_BLEND texturing fallback */ + r128ctx->Fallback &= ~R128_FALLBACK_TEXTURE; + + /* Unbind any currently bound textures */ + if (r128ctx->CurrentTexObj[0]) r128ctx->CurrentTexObj[0]->bound = 0; + if (r128ctx->CurrentTexObj[1]) r128ctx->CurrentTexObj[1]->bound = 0; + r128ctx->CurrentTexObj[0] = NULL; + r128ctx->CurrentTexObj[1] = NULL; + + /* Update the texture unit 0/1 state */ + r128UpdateTex0State(r128ctx); + r128UpdateTex1State(r128ctx); +} + +/* Set the texture wrap mode */ +static void r128SetTexWrap(r128TexObjPtr t, GLenum swrap, GLenum twrap) +{ + t->regs.tex_cntl &= ~(R128_TEX_CLAMP_S_MASK | R128_TEX_CLAMP_T_MASK); + + switch (swrap) { + case GL_CLAMP: t->regs.tex_cntl |= R128_TEX_CLAMP_S_CLAMP; break; + case GL_REPEAT: t->regs.tex_cntl |= R128_TEX_CLAMP_S_WRAP; break; + default: /* ERROR!! */ return; + } + + switch (twrap) { + case GL_CLAMP: t->regs.tex_cntl |= R128_TEX_CLAMP_T_CLAMP; break; + case GL_REPEAT: t->regs.tex_cntl |= R128_TEX_CLAMP_T_WRAP; break; + default: /* ERROR!! */ return; + } +} + +/* Set the texture filter mode */ +static void r128SetTexFilter(r128TexObjPtr t, GLenum minf, GLenum magf) +{ + t->regs.tex_cntl &= ~(R128_MIN_BLEND_MASK | R128_MAG_BLEND_MASK); + + switch (minf) { + case GL_NEAREST: + t->regs.tex_cntl |= R128_MIN_BLEND_NEAREST; + break; + case GL_LINEAR: + t->regs.tex_cntl |= R128_MIN_BLEND_LINEAR; + break; + case GL_NEAREST_MIPMAP_NEAREST: + t->regs.tex_cntl |= R128_MIN_BLEND_MIPNEAREST; + break; + case GL_LINEAR_MIPMAP_NEAREST: + t->regs.tex_cntl |= R128_MIN_BLEND_LINEARMIPNEAREST; + break; + case GL_NEAREST_MIPMAP_LINEAR: + t->regs.tex_cntl |= R128_MIN_BLEND_MIPLINEAR; + break; + case GL_LINEAR_MIPMAP_LINEAR: + t->regs.tex_cntl |= R128_MIN_BLEND_LINEARMIPLINEAR; + break; + default: /* ERROR!! */ return; + } + + switch (magf) { + case GL_NEAREST: + t->regs.tex_cntl |= R128_MAG_BLEND_NEAREST; + break; + case GL_LINEAR: + t->regs.tex_cntl |= R128_MAG_BLEND_LINEAR; + break; + } +} + +/* Set the texture border color */ +static void r128SetTexBorderColor(r128TexObjPtr t, GLubyte c[4]) +{ + t->regs.border_color = r128PackColor(32, c[0], c[1], c[2], c[3]); +} + +/* Set the texture environment state */ +static void r128DDTexEnv(GLcontext *ctx, GLenum target, GLenum pname, + const GLfloat *param) +{ + r128ContextPtr r128ctx = R128_CONTEXT(ctx); + struct gl_texture_unit *texUnit; + GLubyte c[4]; + CARD32 col; + + /* FIXME: Add texture LOD bias extension */ + + switch (pname) { + case GL_TEXTURE_ENV_MODE: + /* TexEnv modes are handled in UpdateTextureState */ + R128CCE_FLUSH_VB_LOCK(r128ctx); + r128ctx->dirty |= R128_UPDATE_TEXSTATE; + break; + case GL_TEXTURE_ENV_COLOR: + texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit]; + FLOAT_RGBA_TO_UBYTE_RGBA(texUnit->EnvColor, c); + col = r128PackColor(32, c[0], c[1], c[2], c[3]); + if (r128ctx->regs.constant_color_c != col) { + R128CCE_FLUSH_VB_LOCK(r128ctx); + r128ctx->regs.constant_color_c = col; + + /* FIXME: Load into hardware now??? */ + r128ctx->dirty |= R128_UPDATE_CONTEXT; + r128ctx->dirty_context |= R128_CTX_TEXENVSTATE; + } + break; + default: + return; + } +} + +/* Upload a new texture image */ +static void r128DDTexImage(GLcontext *ctx, GLenum target, + struct gl_texture_object *tObj, GLint level, + GLint internalFormat, + const struct gl_texture_image *image) +{ + r128ContextPtr r128ctx = R128_CONTEXT(ctx); + r128TexObjPtr t; + + if (R128_DEBUG_FLAGS & DEBUG_VERBOSE_API) + fprintf(stderr, "r128DDTexImage(%p, level %d)\n", tObj, level); + + if ((target != GL_TEXTURE_2D) && (target != GL_TEXTURE_1D)) return; + if (level >= R128_TEX_MAXLEVELS) return; + + t = (r128TexObjPtr)tObj->DriverData; + if (t) { + if (t->bound) R128CCE_FLUSH_VB_LOCK(r128ctx); + + /* Destroy the old texture, and upload a new one. The actual + uploading of the texture image occurs in the UploadSubImage + function. */ + r128DestroyTexObj(r128ctx, t); + r128ctx->dirty |= R128_UPDATE_TEXSTATE; + } +} + +/* Upload a new texture sub-image */ +static void r128DDTexSubImage(GLcontext *ctx, GLenum target, + struct gl_texture_object *tObj, GLint level, + GLint xoffset, GLint yoffset, + GLsizei width, GLsizei height, + GLint internalFormat, + const struct gl_texture_image *image) +{ + r128ContextPtr r128ctx = R128_CONTEXT(ctx); + r128TexObjPtr t; + + if (R128_DEBUG_FLAGS & DEBUG_VERBOSE_API) + fprintf(stderr, "r128DDTexSubImage(%p, level %d) " + "size: %d,%d of %d,%d\n", + tObj, level, width, height, image->Width, image->Height); + + if ((target != GL_TEXTURE_2D) && (target != GL_TEXTURE_1D)) return; + if (level >= R128_TEX_MAXLEVELS) return; + + t = (r128TexObjPtr)tObj->DriverData; + if (t) { + if (t->bound) R128CCE_FLUSH_VB_LOCK(r128ctx); + + LOCK_HARDWARE(r128ctx); + r128UploadSubImage(r128ctx, t, level, + xoffset, yoffset, width, height); + UNLOCK_HARDWARE(r128ctx); + + /* Update the context state */ + r128ctx->regs.tex_cntl_c |= R128_TEX_CACHE_FLUSH; + + r128ctx->dirty |= (R128_UPDATE_CONTEXT | + R128_UPDATE_TEXSTATE); + r128ctx->dirty_context |= (R128_CTX_ENGINESTATE | + R128_CTX_TEX0STATE | + R128_CTX_TEX1STATE); + } +} + +/* Set the texture parameter state */ +static void r128DDTexParameter(GLcontext *ctx, GLenum target, + struct gl_texture_object *tObj, + GLenum pname, const GLfloat *params) +{ + r128ContextPtr r128ctx = R128_CONTEXT(ctx); + r128TexObjPtr t = (r128TexObjPtr)tObj->DriverData; + + if (!t) return; + if ((target != GL_TEXTURE_2D) && (target != GL_TEXTURE_1D)) return; + + switch (pname) { + case GL_TEXTURE_MIN_FILTER: + case GL_TEXTURE_MAG_FILTER: + if (t->bound) R128CCE_FLUSH_VB_LOCK(r128ctx); + r128SetTexFilter(t, tObj->MinFilter, tObj->MagFilter); + break; + + case GL_TEXTURE_WRAP_S: + case GL_TEXTURE_WRAP_T: + if (t->bound) R128CCE_FLUSH_VB_LOCK(r128ctx); + r128SetTexWrap(t, tObj->WrapS, tObj->WrapT); + break; + + case GL_TEXTURE_BORDER_COLOR: + if (t->bound) R128CCE_FLUSH_VB_LOCK(r128ctx); + r128SetTexBorderColor(t, tObj->BorderColor); + break; + + default: + return; + } + + r128ctx->dirty |= R128_UPDATE_TEXSTATE; +} + +/* Bind a texture to the currently active texture unit */ +static void r128DDBindTexture(GLcontext *ctx, GLenum target, + struct gl_texture_object *tObj) +{ + r128ContextPtr r128ctx = R128_CONTEXT(ctx); + + R128CCE_FLUSH_VB_LOCK(r128ctx); + + /* Unbind the old texture */ + if (r128ctx->CurrentTexObj[ctx->Texture.CurrentUnit]) { + r128ctx->CurrentTexObj[ctx->Texture.CurrentUnit]->bound = 0; + r128ctx->CurrentTexObj[ctx->Texture.CurrentUnit] = NULL; + } + + /* The actualy binding occurs in the Tex[01]UpdateState function */ + r128ctx->dirty |= R128_UPDATE_TEXSTATE; +} + +/* Remove texture from AGP/local texture memory */ +static void r128DDDeleteTexture(GLcontext *ctx, + struct gl_texture_object *tObj) +{ + r128ContextPtr r128ctx = R128_CONTEXT(ctx); + r128TexObjPtr t = (r128TexObjPtr)tObj->DriverData; + + if (t) { + if (t->bound) { + R128CCE_FLUSH_VB_LOCK(r128ctx); + + r128ctx->CurrentTexObj[t->bound-1] = 0; + r128ctx->dirty |= R128_UPDATE_TEXSTATE; + } + + r128DestroyTexObj(r128ctx, t); + tObj->DriverData = NULL; + } +} + +/* Determine if a texture is currently residing in either AGP/local + texture memory */ +static GLboolean r128DDIsTextureResident(GLcontext *ctx, + struct gl_texture_object *tObj) +{ + r128TexObjPtr t = (r128TexObjPtr)tObj->DriverData; + + return t && t->memBlock; +} + +/* Initialize the driver's texture functions */ +void r128DDInitTextureFuncs(GLcontext *ctx) +{ + ctx->Driver.TexEnv = r128DDTexEnv; + ctx->Driver.TexImage = r128DDTexImage; + ctx->Driver.TexSubImage = r128DDTexSubImage; + ctx->Driver.TexParameter = r128DDTexParameter; + ctx->Driver.BindTexture = r128DDBindTexture; + ctx->Driver.DeleteTexture = r128DDDeleteTexture; + ctx->Driver.UpdateTexturePalette = NULL; + ctx->Driver.ActiveTexture = NULL; + ctx->Driver.IsTextureResident = r128DDIsTextureResident; + ctx->Driver.PrioritizeTexture = NULL; +} |