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Diffstat (limited to 'src/mesa/drivers/dri/r128/r128_tris.c')
-rw-r--r--src/mesa/drivers/dri/r128/r128_tris.c721
1 files changed, 721 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r128/r128_tris.c b/src/mesa/drivers/dri/r128/r128_tris.c
new file mode 100644
index 0000000000..4e2860288e
--- /dev/null
+++ b/src/mesa/drivers/dri/r128/r128_tris.c
@@ -0,0 +1,721 @@
+/* $XFree86: xc/lib/GL/mesa/src/drv/r128/r128_tris.c,v 1.8 2002/10/30 12:51:43 alanh Exp $ */ /* -*- c-basic-offset: 3 -*- */
+/**************************************************************************
+
+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
+copy of this software and associated documentation files (the "Software"),
+to deal in the Software without restriction, including without limitation
+on the rights to use, copy, modify, merge, publish, distribute, sub
+license, and/or sell copies of the Software, and to permit persons to whom
+the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice (including the next
+paragraph) shall be included in all copies or substantial portions of the
+Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ATI, VA LINUX SYSTEMS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
+DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+**************************************************************************/
+
+/*
+ * Authors:
+ * Keith Whitwell <keith@tungstengraphics.com>
+ *
+ */
+
+#include "glheader.h"
+#include "mtypes.h"
+#include "colormac.h"
+#include "macros.h"
+
+#include "swrast/swrast.h"
+#include "swrast_setup/swrast_setup.h"
+#include "tnl/tnl.h"
+#include "tnl/t_context.h"
+#include "tnl/t_pipeline.h"
+
+#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 { \
+ 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 { \
+ for ( j = 0 ; j < vertsize ; j++ ) \
+ vb[j] = CPU_TO_LE32(((GLuint *)v)[j]); \
+ vb += vertsize; \
+} while (0)
+#endif
+
+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 __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 __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 __inline void r128_draw_point( r128ContextPtr rmesa,
+ r128VertexPtr v0 )
+{
+ int vertsize = rmesa->vertex_size;
+ GLuint *vb = (GLuint *)r128AllocDmaLow( rmesa, vertsize * 4 );
+ int j;
+
+ rmesa->num_verts += 1;
+ COPY_DWORDS( j, vb, vertsize, v0 );
+}
+
+/***********************************************************************
+ * 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 VERT_SET_RGBA( v, c ) do { \
+ r128_color_t *vc = (r128_color_t *)&(v)->ui[coloroffset]; \
+ vc->blue = (c)[2]; \
+ vc->green = (c)[1]; \
+ vc->red = (c)[0]; \
+ vc->alpha = (c)[3]; \
+ } while (0)
+#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( v0, c ) if (havespec) { \
+ (v0)->v.specular.red = (c)[0];\
+ (v0)->v.specular.green = (c)[1];\
+ (v0)->v.specular.blue = (c)[2]; }
+#define VERT_COPY_SPEC( v0, v1 ) if (havespec) { \
+ (v0)->v.specular.red = v1->v.specular.red; \
+ (v0)->v.specular.green = v1->v.specular.green; \
+ (v0)->v.specular.blue = v1->v.specular.blue; }
+
+#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 "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 (R128_OFFSET_BIT)
+#define TAG(x) x##_offset
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (R128_TWOSIDE_BIT)
+#define TAG(x) x##_twoside
+#include "tnl_dd/t_dd_tritmp.h"
+
+#define IND (R128_TWOSIDE_BIT|R128_OFFSET_BIT)
+#define TAG(x) x##_twoside_offset
+#include "tnl_dd/t_dd_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"
+
+#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_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
+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) VERT(elts[i-1]) );
+ COPY_DWORDS( j, vb, vertsize, (r128VertexPtr) VERT(elts[i]) );
+ COPY_DWORDS( j, vb, vertsize, (r128VertexPtr) start );
+ }
+}
+
+
+
+
+/**********************************************************************/
+/* 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 */
+/**********************************************************************/
+
+static void r128RunPipeline( GLcontext *ctx )
+{
+ r128ContextPtr rmesa = R128_CONTEXT(ctx);
+
+ if (rmesa->new_state || rmesa->NewGLState & _NEW_TEXTURE)
+ 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.
+ */
+
+static void r128RasterPrimitive( GLcontext *ctx, GLuint hwprim )
+{
+ r128ContextPtr rmesa = R128_CONTEXT(ctx);
+
+ 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;
+ }
+
+ 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 );
+}
+
+
+static void r128RenderStart( GLcontext *ctx )
+{
+ /* Check for projective texturing. Make sure all texcoord
+ * pointers point to something. (fix in mesa?)
+ */
+ r128CheckTexSizes( ctx );
+}
+
+static void r128RenderFinish( GLcontext *ctx )
+{
+ if (R128_CONTEXT(ctx)->RenderIndex & R128_FALLBACK_BIT)
+ _swrast_flush( ctx );
+}
+
+
+/**********************************************************************/
+/* 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);
+ }
+ }
+}
+
+
+/**********************************************************************/
+/* Initialization. */
+/**********************************************************************/
+
+void r128InitTriFuncs( GLcontext *ctx )
+{
+ r128ContextPtr rmesa = R128_CONTEXT(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;
+ rmesa->NewGLState |= (_R128_NEW_RENDER_STATE|
+ _R128_NEW_VERTEX_STATE);
+
+/* r128Fallback( ctx, 0x100000, 1 ); */
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-02 19:38:31 +0000