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authorXiang, Haihao <haihao.xiang@intel.com>2007-01-17 10:39:50 +0800
committerXiang, Haihao <haihao.xiang@intel.com>2007-01-17 10:39:50 +0800
commit747c9129c0b592941b14c290ff3d8ab22ad66acb (patch)
treebbf80c50c3ddf49e3c345956556aeccc341412cc
parentafba8f0d30974bf7fbb9533f23eb2f92d49ac526 (diff)
I965: fix bug#9625-get the correct PV for quardstrip
The order of vertices in payload for quardstrip is (0, 1, 3, 2), so the PV for quardstrip is c->reg.vertex[2].
-rw-r--r--src/mesa/drivers/dri/i965/brw_gs.c5
-rw-r--r--src/mesa/drivers/dri/i965/brw_gs.h1
-rw-r--r--src/mesa/drivers/dri/i965/brw_gs_emit.c10
3 files changed, 15 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_gs.c b/src/mesa/drivers/dri/i965/brw_gs.c
index 9066e42252..73263a5fff 100644
--- a/src/mesa/drivers/dri/i965/brw_gs.c
+++ b/src/mesa/drivers/dri/i965/brw_gs.c
@@ -82,6 +82,9 @@ static void compile_gs_prog( struct brw_context *brw,
case GL_QUADS:
brw_gs_quads( &c );
break;
+ case GL_QUAD_STRIP:
+ brw_gs_quad_strip( &c );
+ break;
case GL_LINE_LOOP:
brw_gs_lines( &c );
break;
@@ -145,7 +148,7 @@ static const GLenum gs_prim[GL_POLYGON+1] = {
GL_TRIANGLES,
GL_TRIANGLES,
GL_QUADS,
- GL_QUADS,
+ GL_QUAD_STRIP,
GL_TRIANGLES
};
diff --git a/src/mesa/drivers/dri/i965/brw_gs.h b/src/mesa/drivers/dri/i965/brw_gs.h
index f9aa71d919..29a4e80ce1 100644
--- a/src/mesa/drivers/dri/i965/brw_gs.h
+++ b/src/mesa/drivers/dri/i965/brw_gs.h
@@ -67,6 +67,7 @@ struct brw_gs_compile {
#define ATTR_SIZE (4*4)
void brw_gs_quads( struct brw_gs_compile *c );
+void brw_gs_quad_strip( struct brw_gs_compile *c );
void brw_gs_tris( struct brw_gs_compile *c );
void brw_gs_lines( struct brw_gs_compile *c );
void brw_gs_points( struct brw_gs_compile *c );
diff --git a/src/mesa/drivers/dri/i965/brw_gs_emit.c b/src/mesa/drivers/dri/i965/brw_gs_emit.c
index e4eed36a46..9abb94d82e 100644
--- a/src/mesa/drivers/dri/i965/brw_gs_emit.c
+++ b/src/mesa/drivers/dri/i965/brw_gs_emit.c
@@ -116,6 +116,16 @@ void brw_gs_quads( struct brw_gs_compile *c )
brw_gs_emit_vue(c, c->reg.vertex[2], 1, ((_3DPRIM_POLYGON << 2) | R02_PRIM_END));
}
+void brw_gs_quad_strip( struct brw_gs_compile *c )
+{
+ brw_gs_alloc_regs(c, 4);
+
+ brw_gs_emit_vue(c, c->reg.vertex[2], 0, ((_3DPRIM_POLYGON << 2) | R02_PRIM_START));
+ brw_gs_emit_vue(c, c->reg.vertex[3], 0, (_3DPRIM_POLYGON << 2));
+ brw_gs_emit_vue(c, c->reg.vertex[0], 0, (_3DPRIM_POLYGON << 2));
+ brw_gs_emit_vue(c, c->reg.vertex[1], 1, ((_3DPRIM_POLYGON << 2) | R02_PRIM_END));
+}
+
void brw_gs_tris( struct brw_gs_compile *c )
{
brw_gs_alloc_regs(c, 3);