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Diffstat (limited to 'xc/lib/GL/mesa/src/drv/r128/r128_tris.c')
-rw-r--r--xc/lib/GL/mesa/src/drv/r128/r128_tris.c766
1 files changed, 634 insertions, 132 deletions
diff --git a/xc/lib/GL/mesa/src/drv/r128/r128_tris.c b/xc/lib/GL/mesa/src/drv/r128/r128_tris.c
index 261142d75..bd6248261 100644
--- a/xc/lib/GL/mesa/src/drv/r128/r128_tris.c
+++ b/xc/lib/GL/mesa/src/drv/r128/r128_tris.c
@@ -1,8 +1,9 @@
-/* $XFree86: xc/lib/GL/mesa/src/drv/r128/r128_tris.c,v 1.6 2001/04/10 17:53:07 dawes Exp $ */ /* -*- c-basic-offset: 3 -*- */
+/* $XFree86: xc/lib/GL/mesa/src/drv/r128/r128_tris.c,v 1.4 2001/01/08 01:07:24 martin Exp $ */ /* -*- c-basic-offset: 3 -*- */
/**************************************************************************
-Copyright 1999, 2000 ATI Technologies Inc. and Precision Insight, Inc.,
- Cedar Park, Texas.
+Copyright 2000, 2001 ATI Technologies Inc., Ontario, Canada, and
+ VA Linux Systems Inc., Fremont, California.
+
All Rights Reserved.
Permission is hereby granted, free of charge, to any person obtaining a
@@ -19,7 +20,7 @@ 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,
+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.
@@ -28,194 +29,695 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
/*
* Authors:
- * Gareth Hughes <gareth@valinux.com>
- * Kevin E. Martin <martin@valinux.com>
- * Michel Dänzer <michdaen@iiic.ethz.ch>
+ * Keith Whitwell <keithw@valinux.com>
*
*/
-#include "r128_context.h"
-#include "r128_ioctl.h"
-#include "r128_vb.h"
-#include "r128_tris.h"
-#include "r128_state.h"
+#include <stdio.h>
+#include <math.h>
-#include "pipeline.h"
-#include "vbindirect.h"
+#include "glheader.h"
+#include "mtypes.h"
+#include "colormac.h"
+#include "macros.h"
-static struct {
- points_func points;
- line_func line;
- triangle_func triangle;
- quad_func quad;
-} rast_tab[R128_MAX_TRIFUNC];
+#include "swrast/swrast.h"
+#include "swrast_setup/swrast_setup.h"
+#include "tnl/tnl.h"
+#include "tnl/t_context.h"
+#include "tnl/t_pipeline.h"
-#if X_BYTE_ORDER == X_LITTLE_ENDIAN
-#define R128_COLOR( to, from ) \
+#include "r128_tris.h"
+#include "r128_state.h"
+#include "r128_tex.h"
+#include "r128_vb.h"
+#include "r128_ioctl.h"
+
+static const GLuint hw_prim[GL_POLYGON+1] = {
+ R128_CCE_VC_CNTL_PRIM_TYPE_POINT,
+ R128_CCE_VC_CNTL_PRIM_TYPE_LINE,
+ R128_CCE_VC_CNTL_PRIM_TYPE_LINE,
+ R128_CCE_VC_CNTL_PRIM_TYPE_LINE,
+ R128_CCE_VC_CNTL_PRIM_TYPE_TRI_LIST,
+ R128_CCE_VC_CNTL_PRIM_TYPE_TRI_LIST,
+ R128_CCE_VC_CNTL_PRIM_TYPE_TRI_LIST,
+ R128_CCE_VC_CNTL_PRIM_TYPE_TRI_LIST,
+ R128_CCE_VC_CNTL_PRIM_TYPE_TRI_LIST,
+ R128_CCE_VC_CNTL_PRIM_TYPE_TRI_LIST,
+};
+
+static void r128RasterPrimitive( GLcontext *ctx, GLuint hwprim );
+static void r128RenderPrimitive( GLcontext *ctx, GLenum prim );
+
+
+/***********************************************************************
+ * Emit primitives as inline vertices *
+ ***********************************************************************/
+
+#if defined(USE_X86_ASM)
+#define COPY_DWORDS( j, vb, vertsize, v ) \
do { \
- (to)[0] = (from)[2]; \
- (to)[1] = (from)[1]; \
- (to)[2] = (from)[0]; \
- (to)[3] = (from)[3]; \
+ int __tmp; \
+ __asm__ __volatile__( "rep ; movsl" \
+ : "=%c" (j), "=D" (vb), "=S" (__tmp) \
+ : "0" (vertsize), \
+ "D" ((long)vb), \
+ "S" ((long)v) ); \
} while (0)
#else
-#define R128_COLOR( to, from ) \
+#define COPY_DWORDS( j, vb, vertsize, v ) \
do { \
- (to)[0] = (from)[3]; \
- (to)[1] = (from)[0]; \
- (to)[2] = (from)[1]; \
- (to)[3] = (from)[2]; \
+ for ( j = 0 ; j < vertsize ; j++ ) \
+ vb[j] = ((GLuint *)v)[j]; \
+ vb += vertsize; \
} while (0)
#endif
-
-static void r128_null_quad( GLcontext *ctx, GLuint v0,
- GLuint v1, GLuint v2, GLuint v3, GLuint pv )
+static __inline void r128_draw_quad( r128ContextPtr rmesa,
+ r128VertexPtr v0,
+ r128VertexPtr v1,
+ r128VertexPtr v2,
+ r128VertexPtr v3 )
{
+ GLuint vertsize = rmesa->vertex_size;
+ GLuint *vb = (GLuint *)r128AllocDmaLow( rmesa, 6 * vertsize * 4 );
+ GLuint j;
+
+ rmesa->num_verts += 6;
+ COPY_DWORDS( j, vb, vertsize, v0 );
+ COPY_DWORDS( j, vb, vertsize, v1 );
+ COPY_DWORDS( j, vb, vertsize, v3 );
+ COPY_DWORDS( j, vb, vertsize, v1 );
+ COPY_DWORDS( j, vb, vertsize, v2 );
+ COPY_DWORDS( j, vb, vertsize, v3 );
}
-static void r128_null_triangle( GLcontext *ctx, GLuint v0,
- GLuint v1, GLuint v2, GLuint pv )
-{
-}
-static void r128_null_line( GLcontext *ctx, GLuint v1, GLuint v2, GLuint pv )
+
+
+static __inline void r128_draw_triangle( r128ContextPtr rmesa,
+ r128VertexPtr v0,
+ r128VertexPtr v1,
+ r128VertexPtr v2 )
{
+ GLuint vertsize = rmesa->vertex_size;
+ GLuint *vb = (GLuint *)r128AllocDmaLow( rmesa, 3 * vertsize * 4 );
+ GLuint j;
+
+ rmesa->num_verts += 3;
+ COPY_DWORDS( j, vb, vertsize, v0 );
+ COPY_DWORDS( j, vb, vertsize, v1 );
+ COPY_DWORDS( j, vb, vertsize, v2 );
}
-static void r128_null_points( GLcontext *ctx, GLuint first, GLuint last )
+
+static __inline void r128_draw_line( r128ContextPtr rmesa,
+ r128VertexPtr v0,
+ r128VertexPtr v1 )
{
+ GLuint vertsize = rmesa->vertex_size;
+ GLuint *vb = (GLuint *)r128AllocDmaLow( rmesa, 2 * vertsize * 4 );
+ GLuint j;
+
+ rmesa->num_verts += 2;
+ COPY_DWORDS( j, vb, vertsize, v0 );
+ COPY_DWORDS( j, vb, vertsize, v1 );
}
-static void r128PrintRenderState( const char *msg, GLuint state )
+static __inline void r128_draw_point( r128ContextPtr rmesa,
+ r128VertexPtr v0 )
{
- fprintf( stderr, "%s: (0x%x) %s%s%s%s%s\n",
- msg, state,
- (state & R128_FLAT_BIT) ? "flat, " : "",
- (state & R128_OFFSET_BIT) ? "offset, " : "",
- (state & R128_TWOSIDE_BIT) ? "twoside, " : "",
- (state & R128_NODRAW_BIT) ? "no-draw, " : "",
- (state & R128_FALLBACK_BIT) ? "fallback" : "" );
+ int vertsize = rmesa->vertex_size;
+ GLuint *vb = (GLuint *)r128AllocDmaLow( rmesa, vertsize * 4 );
+ int j;
+
+ rmesa->num_verts += 1;
+ COPY_DWORDS( j, vb, vertsize, v0 );
}
-#define IND (0)
+/***********************************************************************
+ * Macros for t_dd_tritmp.h to draw basic primitives *
+ ***********************************************************************/
+
+#define TRI( a, b, c ) \
+do { \
+ if (DO_FALLBACK) \
+ rmesa->draw_tri( rmesa, a, b, c ); \
+ else \
+ r128_draw_triangle( rmesa, a, b, c ); \
+} while (0)
+
+#define QUAD( a, b, c, d ) \
+do { \
+ if (DO_FALLBACK) { \
+ rmesa->draw_tri( rmesa, a, b, d ); \
+ rmesa->draw_tri( rmesa, b, c, d ); \
+ } else \
+ r128_draw_quad( rmesa, a, b, c, d ); \
+} while (0)
+
+#define LINE( v0, v1 ) \
+do { \
+ if (DO_FALLBACK) \
+ rmesa->draw_line( rmesa, v0, v1 ); \
+ else \
+ r128_draw_line( rmesa, v0, v1 ); \
+} while (0)
+
+#define POINT( v0 ) \
+do { \
+ if (DO_FALLBACK) \
+ rmesa->draw_point( rmesa, v0 ); \
+ else \
+ r128_draw_point( rmesa, v0 ); \
+} while (0)
+
+
+/***********************************************************************
+ * Build render functions from dd templates *
+ ***********************************************************************/
+
+#define R128_OFFSET_BIT 0x01
+#define R128_TWOSIDE_BIT 0x02
+#define R128_UNFILLED_BIT 0x04
+#define R128_FALLBACK_BIT 0x08
+#define R128_MAX_TRIFUNC 0x10
+
+
+static struct {
+ points_func points;
+ line_func line;
+ triangle_func triangle;
+ quad_func quad;
+} rast_tab[R128_MAX_TRIFUNC];
+
+
+#define DO_FALLBACK (IND & R128_FALLBACK_BIT)
+#define DO_OFFSET (IND & R128_OFFSET_BIT)
+#define DO_UNFILLED (IND & R128_UNFILLED_BIT)
+#define DO_TWOSIDE (IND & R128_TWOSIDE_BIT)
+#define DO_FLAT 0
+#define DO_TRI 1
+#define DO_QUAD 1
+#define DO_LINE 1
+#define DO_POINTS 1
+#define DO_FULL_QUAD 1
+
+#define HAVE_RGBA 1
+#define HAVE_SPEC 1
+#define HAVE_BACK_COLORS 0
+#define HAVE_HW_FLATSHADE 1
+#define VERTEX r128Vertex
+#define TAB rast_tab
+
+#define DEPTH_SCALE 1.0
+#define UNFILLED_TRI unfilled_tri
+#define UNFILLED_QUAD unfilled_quad
+#define VERT_X(_v) _v->v.x
+#define VERT_Y(_v) _v->v.y
+#define VERT_Z(_v) _v->v.z
+#define AREA_IS_CCW( a ) (a > 0)
+#define GET_VERTEX(e) (rmesa->verts + (e<<rmesa->vertex_stride_shift))
+
+#define R128_COLOR( dst, src ) \
+do { \
+ dst[0] = src[2]; \
+ dst[1] = src[1]; \
+ dst[2] = src[0]; \
+ dst[3] = src[3]; \
+} while (0)
+
+#define R128_SPEC( dst, src ) \
+do { \
+ dst[0] = src[2]; \
+ dst[1] = src[1]; \
+ dst[2] = src[0]; \
+} while (0)
+
+#define VERT_SET_RGBA( v, c ) R128_COLOR( v->ub4[coloroffset], c )
+#define VERT_COPY_RGBA( v0, v1 ) v0->ui[coloroffset] = v1->ui[coloroffset]
+#define VERT_SAVE_RGBA( idx ) color[idx] = v[idx]->ui[coloroffset]
+#define VERT_RESTORE_RGBA( idx ) v[idx]->ui[coloroffset] = color[idx]
+
+#define VERT_SET_SPEC( v, c ) if (havespec) R128_SPEC( v->ub4[5], c )
+#define VERT_COPY_SPEC( v0, v1 ) if (havespec) COPY_3V(v0->ub4[5], v1->ub4[5])
+#define VERT_SAVE_SPEC( idx ) if (havespec) spec[idx] = v[idx]->ui[5]
+#define VERT_RESTORE_SPEC( idx ) if (havespec) v[idx]->ui[5] = spec[idx]
+
+#define LOCAL_VARS(n) \
+ r128ContextPtr rmesa = R128_CONTEXT(ctx); \
+ GLuint color[n], spec[n]; \
+ GLuint coloroffset = (rmesa->vertex_size == 4 ? 3 : 4); \
+ GLboolean havespec = (rmesa->vertex_size == 4 ? 0 : 1); \
+ (void) color; (void) spec; (void) coloroffset; (void) havespec;
+
+/***********************************************************************
+ * Helpers for rendering unfilled primitives *
+ ***********************************************************************/
+
+#define RASTERIZE(x) if (rmesa->hw_primitive != hw_prim[x]) \
+ r128RasterPrimitive( ctx, hw_prim[x] )
+#define RENDER_PRIMITIVE rmesa->render_primitive
+#define IND R128_FALLBACK_BIT
#define TAG(x) x
-#include "r128_tritmp.h"
+#include "tnl_dd/t_dd_unfilled.h"
+#undef IND
+
+
+/***********************************************************************
+ * Generate GL render functions *
+ ***********************************************************************/
+
-#define IND (R128_FLAT_BIT)
-#define TAG(x) x##_flat
-#include "r128_tritmp.h"
+#define IND (0)
+#define TAG(x) x
+#include "tnl_dd/t_dd_tritmp.h"
#define IND (R128_OFFSET_BIT)
#define TAG(x) x##_offset
-#include "r128_tritmp.h"
-
-#define IND (R128_OFFSET_BIT | R128_FLAT_BIT)
-#define TAG(x) x##_offset_flat
-#include "r128_tritmp.h"
+#include "tnl_dd/t_dd_tritmp.h"
#define IND (R128_TWOSIDE_BIT)
#define TAG(x) x##_twoside
-#include "r128_tritmp.h"
+#include "tnl_dd/t_dd_tritmp.h"
-#define IND (R128_TWOSIDE_BIT | R128_FLAT_BIT)
-#define TAG(x) x##_twoside_flat
-#include "r128_tritmp.h"
-
-#define IND (R128_TWOSIDE_BIT | R128_OFFSET_BIT)
+#define IND (R128_TWOSIDE_BIT|R128_OFFSET_BIT)
#define TAG(x) x##_twoside_offset
-#include "r128_tritmp.h"
+#include "tnl_dd/t_dd_tritmp.h"
-#define IND (R128_TWOSIDE_BIT | R128_OFFSET_BIT | R128_FLAT_BIT)
-#define TAG(x) x##_twoside_offset_flat
-#include "r128_tritmp.h"
+#define IND (R128_UNFILLED_BIT)
+#define TAG(x) x##_unfilled
+#include "tnl_dd/t_dd_tritmp.h"
+#define IND (R128_OFFSET_BIT|R128_UNFILLED_BIT)
+#define TAG(x) x##_offset_unfilled
+#include "tnl_dd/t_dd_tritmp.h"
-void r128DDTriangleFuncsInit( void )
-{
- GLint i;
+#define IND (R128_TWOSIDE_BIT|R128_UNFILLED_BIT)
+#define TAG(x) x##_twoside_unfilled
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (R128_TWOSIDE_BIT|R128_OFFSET_BIT|R128_UNFILLED_BIT)
+#define TAG(x) x##_twoside_offset_unfilled
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (R128_FALLBACK_BIT)
+#define TAG(x) x##_fallback
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (R128_OFFSET_BIT|R128_FALLBACK_BIT)
+#define TAG(x) x##_offset_fallback
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (R128_TWOSIDE_BIT|R128_FALLBACK_BIT)
+#define TAG(x) x##_twoside_fallback
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (R128_TWOSIDE_BIT|R128_OFFSET_BIT|R128_FALLBACK_BIT)
+#define TAG(x) x##_twoside_offset_fallback
+#include "tnl_dd/t_dd_tritmp.h"
+#define IND (R128_UNFILLED_BIT|R128_FALLBACK_BIT)
+#define TAG(x) x##_unfilled_fallback
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (R128_OFFSET_BIT|R128_UNFILLED_BIT|R128_FALLBACK_BIT)
+#define TAG(x) x##_offset_unfilled_fallback
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (R128_TWOSIDE_BIT|R128_UNFILLED_BIT|R128_FALLBACK_BIT)
+#define TAG(x) x##_twoside_unfilled_fallback
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (R128_TWOSIDE_BIT|R128_OFFSET_BIT|R128_UNFILLED_BIT| \
+ R128_FALLBACK_BIT)
+#define TAG(x) x##_twoside_offset_unfilled_fallback
+#include "tnl_dd/t_dd_tritmp.h"
+
+
+static void init_rast_tab( void )
+{
init();
- init_flat();
init_offset();
- init_offset_flat();
init_twoside();
- init_twoside_flat();
init_twoside_offset();
- init_twoside_offset_flat();
-
- for ( i = 0 ; i < R128_MAX_TRIFUNC ; i++ ) {
- if ( i & R128_NODRAW_BIT ) {
- rast_tab[i].points = r128_null_points;
- rast_tab[i].line = r128_null_line;
- rast_tab[i].triangle = r128_null_triangle;
- rast_tab[i].quad = r128_null_quad;
+ init_unfilled();
+ init_offset_unfilled();
+ init_twoside_unfilled();
+ init_twoside_offset_unfilled();
+ init_fallback();
+ init_offset_fallback();
+ init_twoside_fallback();
+ init_twoside_offset_fallback();
+ init_unfilled_fallback();
+ init_offset_unfilled_fallback();
+ init_twoside_unfilled_fallback();
+ init_twoside_offset_unfilled_fallback();
+}
+
+
+
+/***********************************************************************
+ * Rasterization fallback helpers *
+ ***********************************************************************/
+
+
+/* This code is hit only when a mix of accelerated and unaccelerated
+ * primitives are being drawn, and only for the unaccelerated
+ * primitives.
+ */
+static void
+r128_fallback_tri( r128ContextPtr rmesa,
+ r128Vertex *v0,
+ r128Vertex *v1,
+ r128Vertex *v2 )
+{
+ GLcontext *ctx = rmesa->glCtx;
+ SWvertex v[3];
+ r128_translate_vertex( ctx, v0, &v[0] );
+ r128_translate_vertex( ctx, v1, &v[1] );
+ r128_translate_vertex( ctx, v2, &v[2] );
+ _swrast_Triangle( ctx, &v[0], &v[1], &v[2] );
+}
+
+
+static void
+r128_fallback_line( r128ContextPtr rmesa,
+ r128Vertex *v0,
+ r128Vertex *v1 )
+{
+ GLcontext *ctx = rmesa->glCtx;
+ SWvertex v[2];
+ r128_translate_vertex( ctx, v0, &v[0] );
+ r128_translate_vertex( ctx, v1, &v[1] );
+ _swrast_Line( ctx, &v[0], &v[1] );
+}
+
+
+static void
+r128_fallback_point( r128ContextPtr rmesa,
+ r128Vertex *v0 )
+{
+ GLcontext *ctx = rmesa->glCtx;
+ SWvertex v[1];
+ r128_translate_vertex( ctx, v0, &v[0] );
+ _swrast_Point( ctx, &v[0] );
+}
+
+
+
+/**********************************************************************/
+/* Render unclipped begin/end objects */
+/**********************************************************************/
+
+#define VERT(x) (r128Vertex *)(r128verts + (x << shift))
+#define RENDER_POINTS( start, count ) \
+ for ( ; start < count ; start++) \
+ r128_draw_point( rmesa, VERT(start) )
+#define RENDER_LINE( v0, v1 ) \
+ r128_draw_line( rmesa, VERT(v0), VERT(v1) )
+#define RENDER_TRI( v0, v1, v2 ) \
+ r128_draw_triangle( rmesa, VERT(v0), VERT(v1), VERT(v2) )
+#define RENDER_QUAD( v0, v1, v2, v3 ) \
+ r128_draw_quad( rmesa, VERT(v0), VERT(v1), VERT(v2), VERT(v3) )
+#define INIT(x) do { \
+ if (0) fprintf(stderr, "%s\n", __FUNCTION__); \
+ r128RenderPrimitive( ctx, x ); \
+} while (0)
+#undef LOCAL_VARS
+#define LOCAL_VARS \
+ r128ContextPtr rmesa = R128_CONTEXT(ctx); \
+ const GLuint shift = rmesa->vertex_stride_shift; \
+ const char *r128verts = (char *)rmesa->verts; \
+ const GLuint * const elt = TNL_CONTEXT(ctx)->vb.Elts; \
+ (void) elt;
+#define RESET_STIPPLE
+#define RESET_OCCLUSION
+#define PRESERVE_VB_DEFS
+#define ELT(x) (x)
+#define TAG(x) r128_##x##_verts
+#include "tnl/t_vb_rendertmp.h"
+#undef ELT
+#undef TAG
+#define TAG(x) r128_##x##_elts
+#define ELT(x) elt[x]
+#include "tnl/t_vb_rendertmp.h"
+
+
+/**********************************************************************/
+/* Render clipped primitives */
+/**********************************************************************/
+
+static void r128RenderClippedPoly( GLcontext *ctx, const GLuint *elts,
+ GLuint n )
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
+
+ /* Render the new vertices as an unclipped polygon.
+ */
+ {
+ GLuint *tmp = VB->Elts;
+ VB->Elts = (GLuint *)elts;
+ tnl->Driver.Render.PrimTabElts[GL_POLYGON]( ctx, 0, n, PRIM_BEGIN|PRIM_END );
+ VB->Elts = tmp;
+ }
+}
+
+static void r128RenderClippedLine( GLcontext *ctx, GLuint ii, GLuint jj )
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ tnl->Driver.Render.Line( ctx, ii, jj );
+}
+
+static void r128FastRenderClippedPoly( GLcontext *ctx, const GLuint *elts,
+ GLuint n )
+{
+ r128ContextPtr rmesa = R128_CONTEXT( ctx );
+ GLuint vertsize = rmesa->vertex_size;
+ GLuint *vb = r128AllocDmaLow( rmesa, (n-2) * 3 * 4 * vertsize );
+ GLubyte *r128verts = (GLubyte *)rmesa->verts;
+ const GLuint shift = rmesa->vertex_stride_shift;
+ const GLuint *start = (const GLuint *)VERT(elts[0]);
+ int i,j;
+
+ rmesa->num_verts += (n-2) * 3;
+
+ for (i = 2 ; i < n ; i++) {
+ COPY_DWORDS( j, vb, vertsize, (r128VertexPtr) start );
+ COPY_DWORDS( j, vb, vertsize, (r128VertexPtr) VERT(elts[i-1]) );
+ COPY_DWORDS( j, vb, vertsize, (r128VertexPtr) VERT(elts[i]) );
+ }
+}
+
+
+
+
+/**********************************************************************/
+/* Choose render functions */
+/**********************************************************************/
+
+#define _R128_NEW_RENDER_STATE (_DD_NEW_LINE_STIPPLE | \
+ _DD_NEW_LINE_SMOOTH | \
+ _DD_NEW_POINT_SMOOTH | \
+ _DD_NEW_TRI_SMOOTH | \
+ _DD_NEW_TRI_UNFILLED | \
+ _DD_NEW_TRI_LIGHT_TWOSIDE | \
+ _DD_NEW_TRI_OFFSET) \
+
+
+#define POINT_FALLBACK (DD_POINT_SMOOTH)
+#define LINE_FALLBACK (DD_LINE_STIPPLE|DD_LINE_SMOOTH)
+#define TRI_FALLBACK (DD_TRI_SMOOTH)
+#define ANY_FALLBACK_FLAGS (POINT_FALLBACK|LINE_FALLBACK|TRI_FALLBACK)
+#define ANY_RASTER_FLAGS (DD_TRI_LIGHT_TWOSIDE|DD_TRI_OFFSET|DD_TRI_UNFILLED)
+
+
+static void r128ChooseRenderState(GLcontext *ctx)
+{
+ r128ContextPtr rmesa = R128_CONTEXT(ctx);
+ GLuint flags = ctx->_TriangleCaps;
+ GLuint index = 0;
+
+ if (flags & (ANY_RASTER_FLAGS|ANY_FALLBACK_FLAGS)) {
+ rmesa->draw_point = r128_draw_point;
+ rmesa->draw_line = r128_draw_line;
+ rmesa->draw_tri = r128_draw_triangle;
+
+ if (flags & ANY_RASTER_FLAGS) {
+ if (flags & DD_TRI_LIGHT_TWOSIDE) index |= R128_TWOSIDE_BIT;
+ if (flags & DD_TRI_OFFSET) index |= R128_OFFSET_BIT;
+ if (flags & DD_TRI_UNFILLED) index |= R128_UNFILLED_BIT;
+ }
+
+ /* Hook in fallbacks for specific primitives.
+ */
+ if (flags & (POINT_FALLBACK|LINE_FALLBACK|TRI_FALLBACK)) {
+ if (flags & POINT_FALLBACK) rmesa->draw_point = r128_fallback_point;
+ if (flags & LINE_FALLBACK) rmesa->draw_line = r128_fallback_line;
+ if (flags & TRI_FALLBACK) rmesa->draw_tri = r128_fallback_tri;
+ index |= R128_FALLBACK_BIT;
+ }
+ }
+
+ if (index != rmesa->RenderIndex) {
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ tnl->Driver.Render.Points = rast_tab[index].points;
+ tnl->Driver.Render.Line = rast_tab[index].line;
+ tnl->Driver.Render.Triangle = rast_tab[index].triangle;
+ tnl->Driver.Render.Quad = rast_tab[index].quad;
+
+ if (index == 0) {
+ tnl->Driver.Render.PrimTabVerts = r128_render_tab_verts;
+ tnl->Driver.Render.PrimTabElts = r128_render_tab_elts;
+ tnl->Driver.Render.ClippedLine = rast_tab[index].line;
+ tnl->Driver.Render.ClippedPolygon = r128FastRenderClippedPoly;
+ } else {
+ tnl->Driver.Render.PrimTabVerts = _tnl_render_tab_verts;
+ tnl->Driver.Render.PrimTabElts = _tnl_render_tab_elts;
+ tnl->Driver.Render.ClippedLine = r128RenderClippedLine;
+ tnl->Driver.Render.ClippedPolygon = r128RenderClippedPoly;
}
+
+ rmesa->RenderIndex = index;
}
}
+/**********************************************************************/
+/* Validate state at pipeline start */
+/**********************************************************************/
-/* FIXME: Only enable software fallback for stencil in 16 bpp mode after
- * we have hardware stencil support.
- */
-#define ALL_FALLBACK (DD_MULTIDRAW | DD_SELECT | DD_FEEDBACK | DD_STENCIL)
-#define POINT_FALLBACK (ALL_FALLBACK | DD_POINT_SMOOTH | DD_POINT_ATTEN)
-#define LINE_FALLBACK (ALL_FALLBACK | DD_LINE_SMOOTH | DD_LINE_STIPPLE)
-#define TRI_FALLBACK (ALL_FALLBACK | DD_TRI_SMOOTH | DD_TRI_STIPPLE | DD_TRI_UNFILLED)
-#define ANY_FALLBACK (POINT_FALLBACK | LINE_FALLBACK | TRI_FALLBACK)
-#define ANY_RASTER_FLAGS (DD_TRI_LIGHT_TWOSIDE | DD_TRI_OFFSET | DD_Z_NEVER)
-
-/* Setup the Point, Line, Triangle and Quad functions based on the
- * current rendering state. Wherever possible, use the hardware to
- * render the primitive. Otherwise, fallback to software rendering.
+static void r128RunPipeline( GLcontext *ctx )
+{
+ r128ContextPtr rmesa = R128_CONTEXT(ctx);
+
+ if (rmesa->new_state)
+ r128DDUpdateHWState( ctx );
+
+ if (!rmesa->Fallback && rmesa->NewGLState) {
+ if (rmesa->NewGLState & _R128_NEW_VERTEX_STATE)
+ r128ChooseVertexState( ctx );
+
+ if (rmesa->NewGLState & _R128_NEW_RENDER_STATE)
+ r128ChooseRenderState( ctx );
+
+ rmesa->NewGLState = 0;
+ }
+
+ _tnl_run_pipeline( ctx );
+}
+
+/**********************************************************************/
+/* High level hooks for t_vb_render.c */
+/**********************************************************************/
+
+/* This is called when Mesa switches between rendering triangle
+ * primitives (such as GL_POLYGON, GL_QUADS, GL_TRIANGLE_STRIP, etc),
+ * and lines, points and bitmaps.
+ *
+ * As the r128 uses triangles to render lines and points, it is
+ * necessary to turn off hardware culling when rendering these
+ * primitives.
*/
-void r128DDChooseRenderState( GLcontext *ctx )
+
+static void r128RasterPrimitive( GLcontext *ctx, GLuint hwprim )
{
r128ContextPtr rmesa = R128_CONTEXT(ctx);
- GLuint flags = ctx->TriangleCaps;
- GLuint index = 0;
- if ( rmesa->Fallback ) {
- rmesa->RenderIndex = R128_FALLBACK_BIT;
- return;
+ rmesa->setup.dp_gui_master_cntl_c &= ~R128_GMC_BRUSH_NONE;
+
+ if ( ctx->Polygon.StippleFlag && hwprim == GL_TRIANGLES ) {
+ rmesa->setup.dp_gui_master_cntl_c |= R128_GMC_BRUSH_32x32_MONO_FG_LA;
+ }
+ else {
+ rmesa->setup.dp_gui_master_cntl_c |= R128_GMC_BRUSH_SOLID_COLOR;
}
- if ( flags & ANY_RASTER_FLAGS ) {
- if ( flags & DD_FLATSHADE ) index |= R128_FLAT_BIT;
- if ( flags & DD_TRI_LIGHT_TWOSIDE ) index |= R128_TWOSIDE_BIT;
- if ( flags & DD_TRI_OFFSET ) index |= R128_OFFSET_BIT;
- if ( flags & DD_Z_NEVER ) index |= R128_NODRAW_BIT;
+ rmesa->new_state |= R128_NEW_CONTEXT;
+ rmesa->dirty |= R128_UPLOAD_CONTEXT;
+
+ if (rmesa->hw_primitive != hwprim) {
+ FLUSH_BATCH( rmesa );
+ rmesa->hw_primitive = hwprim;
}
+}
+
+static void r128RenderPrimitive( GLcontext *ctx, GLenum prim )
+{
+ r128ContextPtr rmesa = R128_CONTEXT(ctx);
+ GLuint hw = hw_prim[prim];
+ rmesa->render_primitive = prim;
+ if (prim >= GL_TRIANGLES && (ctx->_TriangleCaps & DD_TRI_UNFILLED))
+ return;
+ r128RasterPrimitive( ctx, hw );
+}
- rmesa->PointsFunc = rast_tab[index].points;
- rmesa->LineFunc = rast_tab[index].line;
- rmesa->TriangleFunc = rast_tab[index].triangle;
- rmesa->QuadFunc = rast_tab[index].quad;
- rmesa->RenderIndex = index;
- rmesa->IndirectTriangles = 0;
+static void r128RenderStart( GLcontext *ctx )
+{
+ /* Check for projective texturing. Make sure all texcoord
+ * pointers point to something. (fix in mesa?)
+ */
+ r128CheckTexSizes( ctx );
+}
- if ( flags & ANY_FALLBACK ) {
- if ( flags & POINT_FALLBACK ) {
- rmesa->RenderIndex |= R128_FALLBACK_BIT;
- rmesa->PointsFunc = 0;
- rmesa->IndirectTriangles |= DD_POINT_SW_RASTERIZE;
- }
+static void r128RenderFinish( GLcontext *ctx )
+{
+ if (R128_CONTEXT(ctx)->RenderIndex & R128_FALLBACK_BIT)
+ _swrast_flush( ctx );
+}
- if ( flags & LINE_FALLBACK ) {
- rmesa->RenderIndex |= R128_FALLBACK_BIT;
- rmesa->LineFunc = 0;
- rmesa->IndirectTriangles |= DD_LINE_SW_RASTERIZE;
- }
- if ( flags & TRI_FALLBACK ) {
- rmesa->RenderIndex |= R128_FALLBACK_BIT;
- rmesa->TriangleFunc = 0;
- rmesa->QuadFunc = 0;
- rmesa->IndirectTriangles |= (DD_TRI_SW_RASTERIZE |
- DD_QUAD_SW_RASTERIZE);
+/**********************************************************************/
+/* Transition to/from hardware rasterization. */
+/**********************************************************************/
+
+void r128Fallback( GLcontext *ctx, GLuint bit, GLboolean mode )
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ r128ContextPtr rmesa = R128_CONTEXT(ctx);
+ GLuint oldfallback = rmesa->Fallback;
+
+ if (mode) {
+ rmesa->Fallback |= bit;
+ if (oldfallback == 0) {
+ FLUSH_BATCH( rmesa );
+ _swsetup_Wakeup( ctx );
+ rmesa->RenderIndex = ~0;
+ }
+ }
+ else {
+ rmesa->Fallback &= ~bit;
+ if (oldfallback == bit) {
+ _swrast_flush( ctx );
+ tnl->Driver.Render.Start = r128RenderStart;
+ tnl->Driver.Render.PrimitiveNotify = r128RenderPrimitive;
+ tnl->Driver.Render.Finish = r128RenderFinish;
+ tnl->Driver.Render.BuildVertices = r128BuildVertices;
+ rmesa->NewGLState |= (_R128_NEW_RENDER_STATE|
+ _R128_NEW_VERTEX_STATE);
}
}
+}
+
- if ( 0 ) {
- gl_print_tri_caps( "tricaps", ctx->TriangleCaps );
- r128PrintRenderState( "r128 render state", rmesa->RenderIndex );
+/**********************************************************************/
+/* Initialization. */
+/**********************************************************************/
+
+void r128InitTriFuncs( GLcontext *ctx )
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ static int firsttime = 1;
+
+ if (firsttime) {
+ init_rast_tab();
+ firsttime = 0;
}
+
+ tnl->Driver.RunPipeline = r128RunPipeline;
+ tnl->Driver.Render.Start = r128RenderStart;
+ tnl->Driver.Render.Finish = r128RenderFinish;
+ tnl->Driver.Render.PrimitiveNotify = r128RenderPrimitive;
+ tnl->Driver.Render.ResetLineStipple = _swrast_ResetLineStipple;
+ tnl->Driver.Render.BuildVertices = r128BuildVertices;
+
+/* r128Fallback( ctx, 0x100000, 1 ); */
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-22 17:07:12 +0000