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authorRichard Li <[email protected]>2009-09-23 16:10:20 -0400
committerRichard Li <[email protected]>2009-09-23 16:16:11 -0400
commit8a2b0f6415654c03cd399e59b0946ab90dc44331 (patch)
tree1fd4a35ae33977a19baa09298b32592df5c70560 /src/mesa/drivers
parentfa0816b17cffed1b72f81ad6dd8e87d9800e6d45 (diff)
r600 : add hw index buffer draw support.
Diffstat (limited to 'src/mesa/drivers')
-rw-r--r--src/mesa/drivers/dri/r600/r700_render.c73
1 files changed, 61 insertions, 12 deletions
diff --git a/src/mesa/drivers/dri/r600/r700_render.c b/src/mesa/drivers/dri/r600/r700_render.c
index daa05f653dc..1f7a76e538c 100644
--- a/src/mesa/drivers/dri/r600/r700_render.c
+++ b/src/mesa/drivers/dri/r600/r700_render.c
@@ -262,6 +262,16 @@ static void r700RunRenderPrimitive(GLcontext * ctx, int start, int end, int prim
TNLcontext *tnl = TNL_CONTEXT(ctx);
struct vertex_buffer *vb = &tnl->vb;
+ GLboolean bUseDrawIndex;
+ if( (NULL != context->ind_buf.bo) && (GL_TRUE != context->ind_buf.bHostIb) )
+ {
+ bUseDrawIndex = GL_TRUE;
+ }
+ else
+ {
+ bUseDrawIndex = GL_FALSE;
+ }
+
type = r700PrimitiveType(prim);
num_indices = r700NumVerts(end - start, prim);
@@ -272,10 +282,20 @@ static void r700RunRenderPrimitive(GLcontext * ctx, int start, int end, int prim
if (type < 0 || num_indices <= 0)
return;
- total_emit = 3 /* VGT_PRIMITIVE_TYPE */
- + 2 /* VGT_INDEX_TYPE */
- + 2 /* NUM_INSTANCES */
+ if(GL_TRUE == bUseDrawIndex)
+ {
+ total_emit = 3 /* VGT_PRIMITIVE_TYPE */
+ + 2 /* VGT_INDEX_TYPE */
+ + 2 /* NUM_INSTANCES */
+ + 5+2; /* DRAW_INDEX */
+ }
+ else
+ {
+ total_emit = 3 /* VGT_PRIMITIVE_TYPE */
+ + 2 /* VGT_INDEX_TYPE */
+ + 2 /* NUM_INSTANCES */
+ num_indices + 3; /* DRAW_INDEX_IMMD */
+ }
BEGIN_BATCH_NO_AUTOSTATE(total_emit);
// prim
@@ -287,6 +307,15 @@ static void r700RunRenderPrimitive(GLcontext * ctx, int start, int end, int prim
// index type
SETfield(vgt_index_type, DI_INDEX_SIZE_32_BIT, INDEX_TYPE_shift, INDEX_TYPE_mask);
+
+ if(GL_TRUE == bUseDrawIndex)
+ {
+ if(GL_TRUE != context->ind_buf.is_32bit)
+ {
+ SETfield(vgt_index_type, DI_INDEX_SIZE_16_BIT, INDEX_TYPE_shift, INDEX_TYPE_mask);
+ }
+ }
+
R600_OUT_BATCH(CP_PACKET3(R600_IT_INDEX_TYPE, 0));
R600_OUT_BATCH(vgt_index_type);
@@ -296,12 +325,36 @@ static void r700RunRenderPrimitive(GLcontext * ctx, int start, int end, int prim
// draw packet
vgt_num_indices = num_indices;
- SETfield(vgt_draw_initiator, DI_SRC_SEL_IMMEDIATE, SOURCE_SELECT_shift, SOURCE_SELECT_mask);
+
+ if(GL_TRUE == bUseDrawIndex)
+ {
+ SETfield(vgt_draw_initiator, DI_SRC_SEL_DMA, SOURCE_SELECT_shift, SOURCE_SELECT_mask);
+ }
+ else
+ {
+ SETfield(vgt_draw_initiator, DI_SRC_SEL_IMMEDIATE, SOURCE_SELECT_shift, SOURCE_SELECT_mask);
+ }
+
SETfield(vgt_draw_initiator, DI_MAJOR_MODE_0, MAJOR_MODE_shift, MAJOR_MODE_mask);
- R600_OUT_BATCH(CP_PACKET3(R600_IT_DRAW_INDEX_IMMD, (num_indices + 1)));
- R600_OUT_BATCH(vgt_num_indices);
- R600_OUT_BATCH(vgt_draw_initiator);
+ if(GL_TRUE == bUseDrawIndex)
+ {
+ R600_OUT_BATCH(CP_PACKET3(R600_IT_DRAW_INDEX, 3));
+ R600_OUT_BATCH(context->ind_buf.bo_offset);
+ R600_OUT_BATCH(0);
+ R600_OUT_BATCH(vgt_num_indices);
+ R600_OUT_BATCH(vgt_draw_initiator);
+ R600_OUT_BATCH_RELOC(context->ind_buf.bo_offset,
+ context->ind_buf.bo,
+ context->ind_buf.bo_offset,
+ RADEON_GEM_DOMAIN_GTT, 0, 0);
+ }
+ else
+ {
+ R600_OUT_BATCH(CP_PACKET3(R600_IT_DRAW_INDEX_IMMD, (num_indices + 1)));
+ R600_OUT_BATCH(vgt_num_indices);
+ R600_OUT_BATCH(vgt_draw_initiator);
+ }
if(NULL == context->ind_buf.bo)
{
@@ -340,10 +393,6 @@ static void r700RunRenderPrimitive(GLcontext * ctx, int start, int end, int prim
}
}
}
- else
- {
- /* TODO : hw ib draw */
- }
}
END_BATCH();
@@ -899,7 +948,7 @@ static void r700SetupIndexBuffer(GLcontext *ctx, const struct _mesa_index_buffer
return;
}
- context->ind_buf.bHostIb = GL_TRUE;
+ context->ind_buf.bHostIb = GL_FALSE;
#if MESA_BIG_ENDIAN
if (mesa_ind_buf->type == GL_UNSIGNED_INT)