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Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/i915/intel_tris.c')
-rw-r--r--nx-X11/extras/Mesa/src/mesa/drivers/dri/i915/intel_tris.c920
1 files changed, 0 insertions, 920 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/i915/intel_tris.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/i915/intel_tris.c
deleted file mode 100644
index bb0a7713e..000000000
--- a/nx-X11/extras/Mesa/src/mesa/drivers/dri/i915/intel_tris.c
+++ /dev/null
@@ -1,920 +0,0 @@
-/**************************************************************************
- *
- * Copyright 2003 Tungsten Graphics, 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 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 TUNGSTEN GRAPHICS 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.
- *
- **************************************************************************/
-
-#include "glheader.h"
-#include "context.h"
-#include "macros.h"
-#include "enums.h"
-#include "dd.h"
-
-#include "swrast/swrast.h"
-#include "swrast_setup/swrast_setup.h"
-#include "tnl/t_context.h"
-#include "tnl/t_pipeline.h"
-#include "tnl/t_vertex.h"
-
-#include "intel_screen.h"
-#include "intel_tris.h"
-#include "intel_batchbuffer.h"
-#include "intel_reg.h"
-#include "intel_span.h"
-
-static void intelRenderPrimitive( GLcontext *ctx, GLenum prim );
-static void intelRasterPrimitive( GLcontext *ctx, GLenum rprim, GLuint hwprim );
-
-/***********************************************************************
- * Emit primitives as inline vertices *
- ***********************************************************************/
-
-#ifdef __i386__
-#define COPY_DWORDS( j, vb, vertsize, v ) \
-do { \
- int __tmp; \
- __asm__ __volatile__( "rep ; movsl" \
- : "=%c" (j), "=D" (vb), "=S" (__tmp) \
- : "0" (vertsize), \
- "D" ((long)vb), \
- "S" ((long)v) ); \
-} while (0)
-#else
-#define COPY_DWORDS( j, vb, vertsize, v ) \
-do { \
- if (0) fprintf(stderr, "\n"); \
- for ( j = 0 ; j < vertsize ; j++ ) { \
- if (0) fprintf(stderr, " -- v(%d): %x/%f\n",j, \
- ((GLuint *)v)[j], \
- ((GLfloat *)v)[j]); \
- vb[j] = ((GLuint *)v)[j]; \
- } \
- vb += vertsize; \
-} while (0)
-#endif
-
-static void __inline__ intel_draw_quad( intelContextPtr intel,
- intelVertexPtr v0,
- intelVertexPtr v1,
- intelVertexPtr v2,
- intelVertexPtr v3 )
-{
- GLuint vertsize = intel->vertex_size;
- GLuint *vb = intelExtendInlinePrimitive( intel, 6 * vertsize );
- int j;
-
- 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 __inline__ intel_draw_triangle( intelContextPtr intel,
- intelVertexPtr v0,
- intelVertexPtr v1,
- intelVertexPtr v2 )
-{
- GLuint vertsize = intel->vertex_size;
- GLuint *vb = intelExtendInlinePrimitive( intel, 3 * vertsize );
- int j;
-
- COPY_DWORDS( j, vb, vertsize, v0 );
- COPY_DWORDS( j, vb, vertsize, v1 );
- COPY_DWORDS( j, vb, vertsize, v2 );
-}
-
-
-static __inline__ void intel_draw_line( intelContextPtr intel,
- intelVertexPtr v0,
- intelVertexPtr v1 )
-{
- GLuint vertsize = intel->vertex_size;
- GLuint *vb = intelExtendInlinePrimitive( intel, 2 * vertsize );
- int j;
-
- COPY_DWORDS( j, vb, vertsize, v0 );
- COPY_DWORDS( j, vb, vertsize, v1 );
-}
-
-
-static __inline__ void intel_draw_point( intelContextPtr intel,
- intelVertexPtr v0 )
-{
- GLuint vertsize = intel->vertex_size;
- GLuint *vb = intelExtendInlinePrimitive( intel, vertsize );
- int j;
-
- /* Adjust for sub pixel position -- still required for conform. */
- *(float *)&vb[0] = v0->v.x - 0.125;
- *(float *)&vb[1] = v0->v.y - 0.125;
- for (j = 2 ; j < vertsize ; j++)
- vb[j] = v0->ui[j];
-}
-
-
-
-/***********************************************************************
- * Fixup for ARB_point_parameters *
- ***********************************************************************/
-
-static void intel_atten_point( intelContextPtr intel, intelVertexPtr v0 )
-{
- GLcontext *ctx = &intel->ctx;
- GLfloat psz[4], col[4], restore_psz, restore_alpha;
-
- _tnl_get_attr( ctx, v0, _TNL_ATTRIB_POINTSIZE, psz );
- _tnl_get_attr( ctx, v0, _TNL_ATTRIB_COLOR0, col );
-
- restore_psz = psz[0];
- restore_alpha = col[3];
-
- if (psz[0] >= ctx->Point.Threshold) {
- psz[0] = MIN2(psz[0], ctx->Point.MaxSize);
- }
- else {
- GLfloat dsize = psz[0] / ctx->Point.Threshold;
- psz[0] = MAX2(ctx->Point.Threshold, ctx->Point.MinSize);
- col[3] *= dsize * dsize;
- }
-
- if (psz[0] < 1.0)
- psz[0] = 1.0;
-
- if (restore_psz != psz[0] || restore_alpha != col[3]) {
- _tnl_set_attr( ctx, v0, _TNL_ATTRIB_POINTSIZE, psz);
- _tnl_set_attr( ctx, v0, _TNL_ATTRIB_COLOR0, col);
-
- intel_draw_point( intel, v0 );
-
- psz[0] = restore_psz;
- col[3] = restore_alpha;
-
- _tnl_set_attr( ctx, v0, _TNL_ATTRIB_POINTSIZE, psz);
- _tnl_set_attr( ctx, v0, _TNL_ATTRIB_COLOR0, col);
- }
- else
- intel_draw_point( intel, v0 );
-}
-
-
-
-
-
-/***********************************************************************
- * Fixup for I915 WPOS texture coordinate *
- ***********************************************************************/
-
-
-
-static void intel_wpos_triangle( intelContextPtr intel,
- intelVertexPtr v0,
- intelVertexPtr v1,
- intelVertexPtr v2 )
-{
- GLuint offset = intel->wpos_offset;
- GLuint size = intel->wpos_size;
-
- __memcpy( ((char *)v0) + offset, v0, size );
- __memcpy( ((char *)v1) + offset, v1, size );
- __memcpy( ((char *)v2) + offset, v2, size );
-
- intel_draw_triangle( intel, v0, v1, v2 );
-}
-
-
-static void intel_wpos_line( intelContextPtr intel,
- intelVertexPtr v0,
- intelVertexPtr v1 )
-{
- GLuint offset = intel->wpos_offset;
- GLuint size = intel->wpos_size;
-
- __memcpy( ((char *)v0) + offset, v0, size );
- __memcpy( ((char *)v1) + offset, v1, size );
-
- intel_draw_line( intel, v0, v1 );
-}
-
-
-static void intel_wpos_point( intelContextPtr intel,
- intelVertexPtr v0 )
-{
- GLuint offset = intel->wpos_offset;
- GLuint size = intel->wpos_size;
-
- __memcpy( ((char *)v0) + offset, v0, size );
-
- intel_draw_point( intel, v0 );
-}
-
-
-
-
-
-
-/***********************************************************************
- * Macros for t_dd_tritmp.h to draw basic primitives *
- ***********************************************************************/
-
-#define TRI( a, b, c ) \
-do { \
- if (DO_FALLBACK) \
- intel->draw_tri( intel, a, b, c ); \
- else \
- intel_draw_triangle( intel, a, b, c ); \
-} while (0)
-
-#define QUAD( a, b, c, d ) \
-do { \
- if (DO_FALLBACK) { \
- intel->draw_tri( intel, a, b, d ); \
- intel->draw_tri( intel, b, c, d ); \
- } else \
- intel_draw_quad( intel, a, b, c, d ); \
-} while (0)
-
-#define LINE( v0, v1 ) \
-do { \
- if (DO_FALLBACK) \
- intel->draw_line( intel, v0, v1 ); \
- else \
- intel_draw_line( intel, v0, v1 ); \
-} while (0)
-
-#define POINT( v0 ) \
-do { \
- if (DO_FALLBACK) \
- intel->draw_point( intel, v0 ); \
- else \
- intel_draw_point( intel, v0 ); \
-} while (0)
-
-
-/***********************************************************************
- * Build render functions from dd templates *
- ***********************************************************************/
-
-#define INTEL_OFFSET_BIT 0x01
-#define INTEL_TWOSIDE_BIT 0x02
-#define INTEL_UNFILLED_BIT 0x04
-#define INTEL_FALLBACK_BIT 0x08
-#define INTEL_MAX_TRIFUNC 0x10
-
-
-static struct {
- tnl_points_func points;
- tnl_line_func line;
- tnl_triangle_func triangle;
- tnl_quad_func quad;
-} rast_tab[INTEL_MAX_TRIFUNC];
-
-
-#define DO_FALLBACK (IND & INTEL_FALLBACK_BIT)
-#define DO_OFFSET (IND & INTEL_OFFSET_BIT)
-#define DO_UNFILLED (IND & INTEL_UNFILLED_BIT)
-#define DO_TWOSIDE (IND & INTEL_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 intelVertex
-#define TAB rast_tab
-
-/* Only used to pull back colors into vertices (ie, we know color is
- * floating point).
- */
-#define INTEL_COLOR( dst, src ) \
-do { \
- UNCLAMPED_FLOAT_TO_UBYTE((dst)[0], (src)[2]); \
- UNCLAMPED_FLOAT_TO_UBYTE((dst)[1], (src)[1]); \
- UNCLAMPED_FLOAT_TO_UBYTE((dst)[2], (src)[0]); \
- UNCLAMPED_FLOAT_TO_UBYTE((dst)[3], (src)[3]); \
-} while (0)
-
-#define INTEL_SPEC( dst, src ) \
-do { \
- UNCLAMPED_FLOAT_TO_UBYTE((dst)[0], (src)[2]); \
- UNCLAMPED_FLOAT_TO_UBYTE((dst)[1], (src)[1]); \
- UNCLAMPED_FLOAT_TO_UBYTE((dst)[2], (src)[0]); \
-} while (0)
-
-
-#define DEPTH_SCALE intel->polygon_offset_scale
-#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) (intel->verts + (e * intel->vertex_size * sizeof(GLuint)))
-
-#define VERT_SET_RGBA( v, c ) if (coloroffset) INTEL_COLOR( v->ub4[coloroffset], c )
-#define VERT_COPY_RGBA( v0, v1 ) if (coloroffset) v0->ui[coloroffset] = v1->ui[coloroffset]
-#define VERT_SAVE_RGBA( idx ) if (coloroffset) color[idx] = v[idx]->ui[coloroffset]
-#define VERT_RESTORE_RGBA( idx ) if (coloroffset) v[idx]->ui[coloroffset] = color[idx]
-
-#define VERT_SET_SPEC( v, c ) if (specoffset) INTEL_SPEC( v->ub4[specoffset], c )
-#define VERT_COPY_SPEC( v0, v1 ) if (specoffset) COPY_3V(v0->ub4[specoffset], v1->ub4[specoffset])
-#define VERT_SAVE_SPEC( idx ) if (specoffset) spec[idx] = v[idx]->ui[specoffset]
-#define VERT_RESTORE_SPEC( idx ) if (specoffset) v[idx]->ui[specoffset] = spec[idx]
-
-#define LOCAL_VARS(n) \
- intelContextPtr intel = INTEL_CONTEXT(ctx); \
- GLuint color[n], spec[n]; \
- GLuint coloroffset = intel->coloroffset; \
- GLboolean specoffset = intel->specoffset; \
- (void) color; (void) spec; (void) coloroffset; (void) specoffset;
-
-
-/***********************************************************************
- * Helpers for rendering unfilled primitives *
- ***********************************************************************/
-
-static const GLuint hw_prim[GL_POLYGON+1] = {
- PRIM3D_POINTLIST,
- PRIM3D_LINELIST,
- PRIM3D_LINELIST,
- PRIM3D_LINELIST,
- PRIM3D_TRILIST,
- PRIM3D_TRILIST,
- PRIM3D_TRILIST,
- PRIM3D_TRILIST,
- PRIM3D_TRILIST,
- PRIM3D_TRILIST
-};
-
-#define RASTERIZE(x) intelRasterPrimitive( ctx, x, hw_prim[x] )
-#define RENDER_PRIMITIVE intel->render_primitive
-#define TAG(x) x
-#define IND INTEL_FALLBACK_BIT
-#include "tnl_dd/t_dd_unfilled.h"
-#undef IND
-
-/***********************************************************************
- * Generate GL render functions *
- ***********************************************************************/
-
-#define IND (0)
-#define TAG(x) x
-#include "tnl_dd/t_dd_tritmp.h"
-
-#define IND (INTEL_OFFSET_BIT)
-#define TAG(x) x##_offset
-#include "tnl_dd/t_dd_tritmp.h"
-
-#define IND (INTEL_TWOSIDE_BIT)
-#define TAG(x) x##_twoside
-#include "tnl_dd/t_dd_tritmp.h"
-
-#define IND (INTEL_TWOSIDE_BIT|INTEL_OFFSET_BIT)
-#define TAG(x) x##_twoside_offset
-#include "tnl_dd/t_dd_tritmp.h"
-
-#define IND (INTEL_UNFILLED_BIT)
-#define TAG(x) x##_unfilled
-#include "tnl_dd/t_dd_tritmp.h"
-
-#define IND (INTEL_OFFSET_BIT|INTEL_UNFILLED_BIT)
-#define TAG(x) x##_offset_unfilled
-#include "tnl_dd/t_dd_tritmp.h"
-
-#define IND (INTEL_TWOSIDE_BIT|INTEL_UNFILLED_BIT)
-#define TAG(x) x##_twoside_unfilled
-#include "tnl_dd/t_dd_tritmp.h"
-
-#define IND (INTEL_TWOSIDE_BIT|INTEL_OFFSET_BIT|INTEL_UNFILLED_BIT)
-#define TAG(x) x##_twoside_offset_unfilled
-#include "tnl_dd/t_dd_tritmp.h"
-
-#define IND (INTEL_FALLBACK_BIT)
-#define TAG(x) x##_fallback
-#include "tnl_dd/t_dd_tritmp.h"
-
-#define IND (INTEL_OFFSET_BIT|INTEL_FALLBACK_BIT)
-#define TAG(x) x##_offset_fallback
-#include "tnl_dd/t_dd_tritmp.h"
-
-#define IND (INTEL_TWOSIDE_BIT|INTEL_FALLBACK_BIT)
-#define TAG(x) x##_twoside_fallback
-#include "tnl_dd/t_dd_tritmp.h"
-
-#define IND (INTEL_TWOSIDE_BIT|INTEL_OFFSET_BIT|INTEL_FALLBACK_BIT)
-#define TAG(x) x##_twoside_offset_fallback
-#include "tnl_dd/t_dd_tritmp.h"
-
-#define IND (INTEL_UNFILLED_BIT|INTEL_FALLBACK_BIT)
-#define TAG(x) x##_unfilled_fallback
-#include "tnl_dd/t_dd_tritmp.h"
-
-#define IND (INTEL_OFFSET_BIT|INTEL_UNFILLED_BIT|INTEL_FALLBACK_BIT)
-#define TAG(x) x##_offset_unfilled_fallback
-#include "tnl_dd/t_dd_tritmp.h"
-
-#define IND (INTEL_TWOSIDE_BIT|INTEL_UNFILLED_BIT|INTEL_FALLBACK_BIT)
-#define TAG(x) x##_twoside_unfilled_fallback
-#include "tnl_dd/t_dd_tritmp.h"
-
-#define IND (INTEL_TWOSIDE_BIT|INTEL_OFFSET_BIT|INTEL_UNFILLED_BIT| \
- INTEL_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_offset();
- init_twoside();
- init_twoside_offset();
- 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
-intel_fallback_tri( intelContextPtr intel,
- intelVertex *v0,
- intelVertex *v1,
- intelVertex *v2 )
-{
- GLcontext *ctx = &intel->ctx;
- SWvertex v[3];
-
- if (0)
- fprintf(stderr, "\n%s\n", __FUNCTION__);
-
- _swsetup_Translate( ctx, v0, &v[0] );
- _swsetup_Translate( ctx, v1, &v[1] );
- _swsetup_Translate( ctx, v2, &v[2] );
- intelSpanRenderStart( ctx );
- _swrast_Triangle( ctx, &v[0], &v[1], &v[2] );
- intelSpanRenderFinish( ctx );
-}
-
-
-static void
-intel_fallback_line( intelContextPtr intel,
- intelVertex *v0,
- intelVertex *v1 )
-{
- GLcontext *ctx = &intel->ctx;
- SWvertex v[2];
-
- if (0)
- fprintf(stderr, "\n%s\n", __FUNCTION__);
-
- _swsetup_Translate( ctx, v0, &v[0] );
- _swsetup_Translate( ctx, v1, &v[1] );
- intelSpanRenderStart( ctx );
- _swrast_Line( ctx, &v[0], &v[1] );
- intelSpanRenderFinish( ctx );
-}
-
-
-static void
-intel_fallback_point( intelContextPtr intel,
- intelVertex *v0 )
-{
- GLcontext *ctx = &intel->ctx;
- SWvertex v[1];
-
- if (0)
- fprintf(stderr, "\n%s\n", __FUNCTION__);
-
- _swsetup_Translate( ctx, v0, &v[0] );
- intelSpanRenderStart( ctx );
- _swrast_Point( ctx, &v[0] );
- intelSpanRenderFinish( ctx );
-}
-
-
-
-/**********************************************************************/
-/* Render unclipped begin/end objects */
-/**********************************************************************/
-
-#define IND 0
-#define V(x) (intelVertex *)(vertptr + ((x)*vertsize*sizeof(GLuint)))
-#define RENDER_POINTS( start, count ) \
- for ( ; start < count ; start++) POINT( V(ELT(start)) );
-#define RENDER_LINE( v0, v1 ) LINE( V(v0), V(v1) )
-#define RENDER_TRI( v0, v1, v2 ) TRI( V(v0), V(v1), V(v2) )
-#define RENDER_QUAD( v0, v1, v2, v3 ) QUAD( V(v0), V(v1), V(v2), V(v3) )
-#define INIT(x) intelRenderPrimitive( ctx, x )
-#undef LOCAL_VARS
-#define LOCAL_VARS \
- intelContextPtr intel = INTEL_CONTEXT(ctx); \
- GLubyte *vertptr = (GLubyte *)intel->verts; \
- const GLuint vertsize = intel->vertex_size; \
- 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) intel_##x##_verts
-#include "tnl/t_vb_rendertmp.h"
-#undef ELT
-#undef TAG
-#define TAG(x) intel_##x##_elts
-#define ELT(x) elt[x]
-#include "tnl/t_vb_rendertmp.h"
-
-/**********************************************************************/
-/* Render clipped primitives */
-/**********************************************************************/
-
-
-
-static void intelRenderClippedPoly( GLcontext *ctx, const GLuint *elts,
- GLuint n )
-{
- intelContextPtr intel = INTEL_CONTEXT(ctx);
- TNLcontext *tnl = TNL_CONTEXT(ctx);
- struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
- GLuint prim = intel->render_primitive;
-
- /* 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;
- }
-
- /* Restore the render primitive
- */
- if (prim != GL_POLYGON)
- tnl->Driver.Render.PrimitiveNotify( ctx, prim );
-}
-
-static void intelRenderClippedLine( GLcontext *ctx, GLuint ii, GLuint jj )
-{
- TNLcontext *tnl = TNL_CONTEXT(ctx);
-
- tnl->Driver.Render.Line( ctx, ii, jj );
-}
-
-static void intelFastRenderClippedPoly( GLcontext *ctx, const GLuint *elts,
- GLuint n )
-{
- intelContextPtr intel = INTEL_CONTEXT( ctx );
- const GLuint vertsize = intel->vertex_size;
- GLuint *vb = intelExtendInlinePrimitive( intel, (n-2) * 3 * vertsize );
- GLubyte *vertptr = (GLubyte *)intel->verts;
- const GLuint *start = (const GLuint *)V(elts[0]);
- int i,j;
-
- for (i = 2 ; i < n ; i++) {
- COPY_DWORDS( j, vb, vertsize, V(elts[i-1]) );
- COPY_DWORDS( j, vb, vertsize, V(elts[i]) );
- COPY_DWORDS( j, vb, vertsize, start );
- }
-}
-
-/**********************************************************************/
-/* Choose render functions */
-/**********************************************************************/
-
-
-
-
-#define POINT_FALLBACK (0)
-#define LINE_FALLBACK (DD_LINE_STIPPLE)
-#define TRI_FALLBACK (0)
-#define ANY_FALLBACK_FLAGS (POINT_FALLBACK|LINE_FALLBACK|TRI_FALLBACK|\
- DD_TRI_STIPPLE|DD_POINT_ATTEN)
-#define ANY_RASTER_FLAGS (DD_TRI_LIGHT_TWOSIDE|DD_TRI_OFFSET|DD_TRI_UNFILLED)
-
-void intelChooseRenderState(GLcontext *ctx)
-{
- TNLcontext *tnl = TNL_CONTEXT(ctx);
- intelContextPtr intel = INTEL_CONTEXT(ctx);
- GLuint flags = ctx->_TriangleCaps;
- struct fragment_program *program = ctx->FragmentProgram._Current;
- GLboolean have_wpos = (program && (program->InputsRead & FRAG_BIT_WPOS));
- GLuint index = 0;
-
- if (INTEL_DEBUG & DEBUG_STATE)
- fprintf(stderr,"\n%s\n",__FUNCTION__);
-
- if ((flags & (ANY_FALLBACK_FLAGS|ANY_RASTER_FLAGS)) || have_wpos) {
-
- if (flags & ANY_RASTER_FLAGS) {
- if (flags & DD_TRI_LIGHT_TWOSIDE) index |= INTEL_TWOSIDE_BIT;
- if (flags & DD_TRI_OFFSET) index |= INTEL_OFFSET_BIT;
- if (flags & DD_TRI_UNFILLED) index |= INTEL_UNFILLED_BIT;
- }
-
- if (have_wpos) {
- intel->draw_point = intel_wpos_point;
- intel->draw_line = intel_wpos_line;
- intel->draw_tri = intel_wpos_triangle;
-
- /* Make sure these get called:
- */
- index |= INTEL_FALLBACK_BIT;
- }
- else {
- intel->draw_point = intel_draw_point;
- intel->draw_line = intel_draw_line;
- intel->draw_tri = intel_draw_triangle;
- }
-
- /* Hook in fallbacks for specific primitives.
- */
- if (flags & ANY_FALLBACK_FLAGS)
- {
- if (flags & POINT_FALLBACK)
- intel->draw_point = intel_fallback_point;
-
- if (flags & LINE_FALLBACK)
- intel->draw_line = intel_fallback_line;
-
- if (flags & TRI_FALLBACK)
- intel->draw_tri = intel_fallback_tri;
-
- if ((flags & DD_TRI_STIPPLE) && !intel->hw_stipple)
- intel->draw_tri = intel_fallback_tri;
-
- if (flags & DD_POINT_ATTEN)
- intel->draw_point = intel_atten_point;
-
- index |= INTEL_FALLBACK_BIT;
- }
- }
-
- if (intel->RenderIndex != index) {
- intel->RenderIndex = index;
-
- 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 = intel_render_tab_verts;
- tnl->Driver.Render.PrimTabElts = intel_render_tab_elts;
- tnl->Driver.Render.ClippedLine = line; /* from tritmp.h */
- tnl->Driver.Render.ClippedPolygon = intelFastRenderClippedPoly;
- } else {
- tnl->Driver.Render.PrimTabVerts = _tnl_render_tab_verts;
- tnl->Driver.Render.PrimTabElts = _tnl_render_tab_elts;
- tnl->Driver.Render.ClippedLine = intelRenderClippedLine;
- tnl->Driver.Render.ClippedPolygon = intelRenderClippedPoly;
- }
- }
-}
-
-static const GLenum reduced_prim[GL_POLYGON+1] = {
- GL_POINTS,
- GL_LINES,
- GL_LINES,
- GL_LINES,
- GL_TRIANGLES,
- GL_TRIANGLES,
- GL_TRIANGLES,
- GL_TRIANGLES,
- GL_TRIANGLES,
- GL_TRIANGLES
-};
-
-
-/**********************************************************************/
-/* High level hooks for t_vb_render.c */
-/**********************************************************************/
-
-
-
-
-static void intelRunPipeline( GLcontext *ctx )
-{
- intelContextPtr intel = INTEL_CONTEXT(ctx);
-
- if (intel->NewGLState) {
- if (intel->NewGLState & _NEW_TEXTURE) {
- intel->vtbl.update_texture_state( intel );
- }
-
- if (!intel->Fallback) {
- if (intel->NewGLState & _INTEL_NEW_RENDERSTATE)
- intelChooseRenderState( ctx );
- }
-
- intel->NewGLState = 0;
- }
-
- _tnl_run_pipeline( ctx );
-}
-
-static void intelRenderStart( GLcontext *ctx )
-{
- INTEL_CONTEXT(ctx)->vtbl.render_start( INTEL_CONTEXT(ctx) );
-}
-
-static void intelRenderFinish( GLcontext *ctx )
-{
- if (INTEL_CONTEXT(ctx)->RenderIndex & INTEL_FALLBACK_BIT)
- _swrast_flush( ctx );
-}
-
-
-
-
- /* System to flush dma and emit state changes based on the rasterized
- * primitive.
- */
-static void intelRasterPrimitive( GLcontext *ctx, GLenum rprim, GLuint hwprim )
-{
- intelContextPtr intel = INTEL_CONTEXT(ctx);
-
- if (0)
- fprintf(stderr, "%s %s %x\n", __FUNCTION__,
- _mesa_lookup_enum_by_nr(rprim), hwprim);
-
- intel->vtbl.reduced_primitive_state( intel, rprim );
-
- /* Start a new primitive. Arrange to have it flushed later on.
- */
- if (hwprim != intel->prim.primitive)
- intelStartInlinePrimitive( intel, hwprim );
-}
-
-
- /*
- */
- static void intelRenderPrimitive( GLcontext *ctx, GLenum prim )
- {
- intelContextPtr intel = INTEL_CONTEXT(ctx);
-
- if (0)
- fprintf(stderr, "%s %s\n", __FUNCTION__, _mesa_lookup_enum_by_nr(prim));
-
- /* Let some clipping routines know which primitive they're dealing
- * with.
- */
- intel->render_primitive = prim;
-
- /* Shortcircuit this when called from t_dd_rendertmp.h for unfilled
- * triangles. The rasterized primitive will always be reset by
- * lower level functions in that case, potentially pingponging the
- * state:
- */
- if (reduced_prim[prim] == GL_TRIANGLES &&
- (ctx->_TriangleCaps & DD_TRI_UNFILLED))
- return;
-
- /* Set some primitive-dependent state and Start? a new primitive.
- */
- intelRasterPrimitive( ctx, reduced_prim[prim], hw_prim[prim] );
- }
-
-
- /**********************************************************************/
- /* Transition to/from hardware rasterization. */
- /**********************************************************************/
-
- static char *fallbackStrings[] = {
- "Texture",
- "Draw buffer",
- "Read buffer",
- "Color mask",
- "Render mode",
- "Stencil",
- "Stipple",
- "User disable"
- };
-
-
- static char *getFallbackString(GLuint bit)
- {
- int i = 0;
- while (bit > 1) {
- i++;
- bit >>= 1;
- }
- return fallbackStrings[i];
- }
-
-
-
- void intelFallback( intelContextPtr intel, GLuint bit, GLboolean mode )
- {
- GLcontext *ctx = &intel->ctx;
- TNLcontext *tnl = TNL_CONTEXT(ctx);
- GLuint oldfallback = intel->Fallback;
-
- if (mode) {
- intel->Fallback |= bit;
- if (oldfallback == 0) {
- intelFlush(ctx);
- if (INTEL_DEBUG & DEBUG_FALLBACKS)
- fprintf(stderr, "ENTER FALLBACK %x: %s\n",
- bit, getFallbackString( bit ));
- _swsetup_Wakeup( ctx );
- intel->RenderIndex = ~0;
- }
- }
- else {
- intel->Fallback &= ~bit;
- if (oldfallback == bit) {
- _swrast_flush( ctx );
- if (INTEL_DEBUG & DEBUG_FALLBACKS)
- fprintf(stderr, "LEAVE FALLBACK %s\n", getFallbackString( bit ));
- tnl->Driver.Render.Start = intelRenderStart;
- tnl->Driver.Render.PrimitiveNotify = intelRenderPrimitive;
- tnl->Driver.Render.Finish = intelRenderFinish;
- tnl->Driver.Render.BuildVertices = _tnl_build_vertices;
- tnl->Driver.Render.CopyPV = _tnl_copy_pv;
- tnl->Driver.Render.Interp = _tnl_interp;
-
- _tnl_invalidate_vertex_state( ctx, ~0 );
- _tnl_invalidate_vertices( ctx, ~0 );
- _tnl_install_attrs( ctx,
- intel->vertex_attrs,
- intel->vertex_attr_count,
- intel->ViewportMatrix.m, 0 );
-
- intel->NewGLState |= _INTEL_NEW_RENDERSTATE;
- }
- }
- }
-
-
-
-
-/**********************************************************************/
-/* Initialization. */
-/**********************************************************************/
-
-
-void intelInitTriFuncs( GLcontext *ctx )
-{
- TNLcontext *tnl = TNL_CONTEXT(ctx);
- static int firsttime = 1;
-
- if (firsttime) {
- init_rast_tab();
- firsttime = 0;
- }
-
- tnl->Driver.RunPipeline = intelRunPipeline;
- tnl->Driver.Render.Start = intelRenderStart;
- tnl->Driver.Render.Finish = intelRenderFinish;
- tnl->Driver.Render.PrimitiveNotify = intelRenderPrimitive;
- tnl->Driver.Render.ResetLineStipple = _swrast_ResetLineStipple;
- tnl->Driver.Render.BuildVertices = _tnl_build_vertices;
- tnl->Driver.Render.CopyPV = _tnl_copy_pv;
- tnl->Driver.Render.Interp = _tnl_interp;
-}