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authorKeith Whitwell <keith@tungstengraphics.com>2005-01-12 13:33:27 +0000
committerKeith Whitwell <keith@tungstengraphics.com>2005-01-12 13:33:27 +0000
commit09ac1d1125d6b69dafc548c24a4175d268c7a7bb (patch)
treea31a170e67153fc908faa506f393c5971b8fef47
parent26dcb88fb97e2ecea11b5da770c7c6e65f0b790b (diff)
Allow two GL primitives to be combined to one HW primitive
if possible.
-rw-r--r--src/mesa/drivers/dri/unichrome/via_tris.c180
1 files changed, 91 insertions, 89 deletions
diff --git a/src/mesa/drivers/dri/unichrome/via_tris.c b/src/mesa/drivers/dri/unichrome/via_tris.c
index 121b90b297..2f405452d7 100644
--- a/src/mesa/drivers/dri/unichrome/via_tris.c
+++ b/src/mesa/drivers/dri/unichrome/via_tris.c
@@ -855,116 +855,118 @@ void viaRasterPrimitive(GLcontext *ctx,
GLenum glprim,
GLenum hwprim)
{
- viaContextPtr vmesa = VIA_CONTEXT(ctx);
- GLuint regCmdB;
- RING_VARS;
+ viaContextPtr vmesa = VIA_CONTEXT(ctx);
+ GLuint regCmdB;
+ RING_VARS;
+
+ if (VIA_DEBUG)
+ fprintf(stderr, "%s: %s/%s\n", __FUNCTION__, _mesa_lookup_enum_by_nr(glprim),
+ _mesa_lookup_enum_by_nr(hwprim));
- if (VIA_DEBUG)
- fprintf(stderr, "%s: %s/%s\n", __FUNCTION__, _mesa_lookup_enum_by_nr(glprim),
- _mesa_lookup_enum_by_nr(hwprim));
+ vmesa->renderPrimitive = glprim;
- VIA_FINISH_PRIM(vmesa);
+ if (hwprim != vmesa->hwPrimitive) {
+ VIA_FINISH_PRIM(vmesa);
- viaCheckDma( vmesa, 1024 ); /* Ensure no wrapping inside this function */
+ viaCheckDma( vmesa, 1024 ); /* Ensure no wrapping inside this function */
- if (vmesa->newEmitState) {
- viaEmitState(vmesa);
- }
+ if (vmesa->newEmitState) {
+ viaEmitState(vmesa);
+ }
- regCmdB = vmesa->regCmdB;
+ regCmdB = vmesa->regCmdB;
- switch (hwprim) {
- case GL_POINTS:
- vmesa->regCmdA_End = vmesa->regCmdA | HC_HPMType_Point | HC_HVCycle_Full;
- if (ctx->Light.ShadeModel == GL_FLAT)
+ switch (hwprim) {
+ case GL_POINTS:
+ vmesa->regCmdA_End = vmesa->regCmdA | HC_HPMType_Point | HC_HVCycle_Full;
+ if (ctx->Light.ShadeModel == GL_FLAT)
vmesa->regCmdA_End |= HC_HShading_FlatA;
- break;
- case GL_LINES:
- vmesa->regCmdA_End = vmesa->regCmdA | HC_HPMType_Line | HC_HVCycle_Full;
- if (ctx->Light.ShadeModel == GL_FLAT)
+ break;
+ case GL_LINES:
+ vmesa->regCmdA_End = vmesa->regCmdA | HC_HPMType_Line | HC_HVCycle_Full;
+ if (ctx->Light.ShadeModel == GL_FLAT)
vmesa->regCmdA_End |= HC_HShading_FlatB;
- break;
- case GL_LINE_LOOP:
- case GL_LINE_STRIP:
- vmesa->regCmdA_End = vmesa->regCmdA | HC_HPMType_Line | HC_HVCycle_AFP |
- HC_HVCycle_AB | HC_HVCycle_NewB;
- regCmdB |= HC_HVCycle_AB | HC_HVCycle_NewB | HC_HLPrst_MASK;
- if (ctx->Light.ShadeModel == GL_FLAT)
+ break;
+ case GL_LINE_LOOP:
+ case GL_LINE_STRIP:
+ vmesa->regCmdA_End = vmesa->regCmdA | HC_HPMType_Line | HC_HVCycle_AFP |
+ HC_HVCycle_AB | HC_HVCycle_NewB;
+ regCmdB |= HC_HVCycle_AB | HC_HVCycle_NewB | HC_HLPrst_MASK;
+ if (ctx->Light.ShadeModel == GL_FLAT)
vmesa->regCmdA_End |= HC_HShading_FlatB;
- break;
- case GL_TRIANGLES:
- vmesa->regCmdA_End = vmesa->regCmdA | HC_HPMType_Tri | HC_HVCycle_Full;
- if (ctx->Light.ShadeModel == GL_FLAT)
+ break;
+ case GL_TRIANGLES:
+ vmesa->regCmdA_End = vmesa->regCmdA | HC_HPMType_Tri | HC_HVCycle_Full;
+ if (ctx->Light.ShadeModel == GL_FLAT)
vmesa->regCmdA_End |= HC_HShading_FlatC;
- break;
- case GL_TRIANGLE_STRIP:
- vmesa->regCmdA_End = vmesa->regCmdA | HC_HPMType_Tri | HC_HVCycle_AFP |
- HC_HVCycle_AC | HC_HVCycle_BB | HC_HVCycle_NewC;
- regCmdB |= HC_HVCycle_AA | HC_HVCycle_BC | HC_HVCycle_NewC;
- if (ctx->Light.ShadeModel == GL_FLAT)
+ break;
+ case GL_TRIANGLE_STRIP:
+ vmesa->regCmdA_End = vmesa->regCmdA | HC_HPMType_Tri | HC_HVCycle_AFP |
+ HC_HVCycle_AC | HC_HVCycle_BB | HC_HVCycle_NewC;
+ regCmdB |= HC_HVCycle_AA | HC_HVCycle_BC | HC_HVCycle_NewC;
+ if (ctx->Light.ShadeModel == GL_FLAT)
vmesa->regCmdA_End |= HC_HShading_FlatB;
- break;
- case GL_TRIANGLE_FAN:
- vmesa->regCmdA_End = vmesa->regCmdA | HC_HPMType_Tri | HC_HVCycle_AFP |
- HC_HVCycle_AA | HC_HVCycle_BC | HC_HVCycle_NewC;
- regCmdB |= HC_HVCycle_AA | HC_HVCycle_BC | HC_HVCycle_NewC;
- if (ctx->Light.ShadeModel == GL_FLAT)
+ break;
+ case GL_TRIANGLE_FAN:
+ vmesa->regCmdA_End = vmesa->regCmdA | HC_HPMType_Tri | HC_HVCycle_AFP |
+ HC_HVCycle_AA | HC_HVCycle_BC | HC_HVCycle_NewC;
+ regCmdB |= HC_HVCycle_AA | HC_HVCycle_BC | HC_HVCycle_NewC;
+ if (ctx->Light.ShadeModel == GL_FLAT)
vmesa->regCmdA_End |= HC_HShading_FlatC;
- break;
- case GL_QUADS:
- abort();
- return;
- case GL_QUAD_STRIP:
- abort();
- return;
- case GL_POLYGON:
- vmesa->regCmdA_End = vmesa->regCmdA | HC_HPMType_Tri | HC_HVCycle_AFP |
- HC_HVCycle_AA | HC_HVCycle_BC | HC_HVCycle_NewC;
- regCmdB |= HC_HVCycle_AA | HC_HVCycle_BC | HC_HVCycle_NewC;
- if (ctx->Light.ShadeModel == GL_FLAT)
+ break;
+ case GL_QUADS:
+ abort();
+ return;
+ case GL_QUAD_STRIP:
+ abort();
+ return;
+ case GL_POLYGON:
+ vmesa->regCmdA_End = vmesa->regCmdA | HC_HPMType_Tri | HC_HVCycle_AFP |
+ HC_HVCycle_AA | HC_HVCycle_BC | HC_HVCycle_NewC;
+ regCmdB |= HC_HVCycle_AA | HC_HVCycle_BC | HC_HVCycle_NewC;
+ if (ctx->Light.ShadeModel == GL_FLAT)
vmesa->regCmdA_End |= HC_HShading_FlatC;
- break;
- default:
- abort();
- return;
- }
+ break;
+ default:
+ abort();
+ return;
+ }
/* assert((vmesa->dmaLow & 0x4) == 0); */
- if (vmesa->dmaCliprectAddr == ~0) {
- if (VIA_DEBUG) fprintf(stderr, "reserve cliprect space at %x\n", vmesa->dmaLow);
- vmesa->dmaCliprectAddr = vmesa->dmaLow;
- BEGIN_RING(8);
- OUT_RING( HC_HEADER2 );
- OUT_RING( (HC_ParaType_NotTex << 16) );
- OUT_RING( 0xCCCCCCCC );
- OUT_RING( 0xCCCCCCCC );
- OUT_RING( 0xCCCCCCCC );
- OUT_RING( 0xCCCCCCCC );
- OUT_RING( 0xCCCCCCCC );
- OUT_RING( 0xCCCCCCCC );
- ADVANCE_RING();
- }
-
- assert(vmesa->dmaLastPrim == 0);
+ if (vmesa->dmaCliprectAddr == ~0) {
+ if (VIA_DEBUG) fprintf(stderr, "reserve cliprect space at %x\n", vmesa->dmaLow);
+ vmesa->dmaCliprectAddr = vmesa->dmaLow;
+ BEGIN_RING(8);
+ OUT_RING( HC_HEADER2 );
+ OUT_RING( (HC_ParaType_NotTex << 16) );
+ OUT_RING( 0xCCCCCCCC );
+ OUT_RING( 0xCCCCCCCC );
+ OUT_RING( 0xCCCCCCCC );
+ OUT_RING( 0xCCCCCCCC );
+ OUT_RING( 0xCCCCCCCC );
+ OUT_RING( 0xCCCCCCCC );
+ ADVANCE_RING();
+ }
- BEGIN_RING(8);
- OUT_RING( HC_HEADER2 );
- OUT_RING( (HC_ParaType_NotTex << 16) );
- OUT_RING( 0xCCCCCCCC );
- OUT_RING( 0xDDDDDDDD );
+ assert(vmesa->dmaLastPrim == 0);
- OUT_RING( HC_HEADER2 );
- OUT_RING( (HC_ParaType_CmdVdata << 16) );
- OUT_RING( regCmdB );
- OUT_RING( vmesa->regCmdA_End );
- ADVANCE_RING();
+ BEGIN_RING(8);
+ OUT_RING( HC_HEADER2 );
+ OUT_RING( (HC_ParaType_NotTex << 16) );
+ OUT_RING( 0xCCCCCCCC );
+ OUT_RING( 0xDDDDDDDD );
+ OUT_RING( HC_HEADER2 );
+ OUT_RING( (HC_ParaType_CmdVdata << 16) );
+ OUT_RING( regCmdB );
+ OUT_RING( vmesa->regCmdA_End );
+ ADVANCE_RING();
- vmesa->renderPrimitive = glprim;
- vmesa->hwPrimitive = hwprim;
- vmesa->dmaLastPrim = vmesa->dmaLow;
+ vmesa->hwPrimitive = hwprim;
+ vmesa->dmaLastPrim = vmesa->dmaLow;
+ }
}
/* Callback for mesa: