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r600: use AUTO_INDEX for draw - saves cmd buffer space

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also seems we can use INDX_OFFSET if start != 0
This commit is contained in:
Andre Maasikas 2009-10-28 18:02:22 +02:00
parent 409469fb70
commit 5f7d5d3ea3
1 changed files with 10 additions and 18 deletions
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28
src/mesa/drivers/dri/r600/r700_render.c
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@ -259,8 +259,6 @@ static void r700RunRenderPrimitive(GLcontext * ctx, int start, int end, int prim
uint32_t vgt_index_type = 0;
uint32_t vgt_primitive_type = 0;
uint32_t vgt_num_indices = 0;
TNLcontext *tnl = TNL_CONTEXT(ctx);
struct vertex_buffer *vb = &tnl->vb;
GLboolean bUseDrawIndex;
if(NULL != context->ind_buf.bo)
@ -287,6 +285,7 @@ static void r700RunRenderPrimitive(GLcontext * ctx, int start, int end, int prim
total_emit = 3 /* VGT_PRIMITIVE_TYPE */
+ 2 /* VGT_INDEX_TYPE */
+ 2 /* NUM_INSTANCES */
+ 3 /* VGT_INDEX_OFFSET */
+ 5 + 2; /* DRAW_INDEX */
}
else
@ -294,7 +293,8 @@ static void r700RunRenderPrimitive(GLcontext * ctx, int start, int end, int prim
total_emit = 3 /* VGT_PRIMITIVE_TYPE */
+ 2 /* VGT_INDEX_TYPE */
+ 2 /* NUM_INSTANCES */
+ num_indices + 3; /* DRAW_INDEX_IMMD */
+ 3 /* VGT_INDEX_OFFSET */
+ 3; /* DRAW_INDEX_IMMD */
}
BEGIN_BATCH_NO_AUTOSTATE(total_emit);
@ -332,13 +332,15 @@ static void r700RunRenderPrimitive(GLcontext * ctx, int start, int end, int prim
}
else
{
SETfield(vgt_draw_initiator, DI_SRC_SEL_IMMEDIATE, SOURCE_SELECT_shift, SOURCE_SELECT_mask);
SETfield(vgt_draw_initiator, DI_SRC_SEL_AUTO_INDEX, SOURCE_SELECT_shift, SOURCE_SELECT_mask);
}
SETfield(vgt_draw_initiator, DI_MAJOR_MODE_0, MAJOR_MODE_shift, MAJOR_MODE_mask);
if(GL_TRUE == bUseDrawIndex)
{
R600_OUT_BATCH_REGSEQ(VGT_INDX_OFFSET, 1);
R600_OUT_BATCH(0);
R600_OUT_BATCH(CP_PACKET3(R600_IT_DRAW_INDEX, 3));
R600_OUT_BATCH(context->ind_buf.bo_offset);
R600_OUT_BATCH(0);
@ -351,21 +353,11 @@ static void r700RunRenderPrimitive(GLcontext * ctx, int start, int end, int prim
}
else
{
R600_OUT_BATCH(CP_PACKET3(R600_IT_DRAW_INDEX_IMMD, (num_indices + 1)));
R600_OUT_BATCH_REGSEQ(VGT_INDX_OFFSET, 1);
R600_OUT_BATCH(start);
R600_OUT_BATCH(CP_PACKET3(R600_IT_DRAW_INDEX_AUTO,1));
R600_OUT_BATCH(vgt_num_indices);
R600_OUT_BATCH(vgt_draw_initiator);
for (i = start; i < (start + num_indices); i++)
{
if(vb->Elts)
{
R600_OUT_BATCH(vb->Elts[i]);
}
else
{
R600_OUT_BATCH(i);
}
}
}
END_BATCH();
@ -391,7 +383,7 @@ static GLuint r700PredictRenderSize(GLcontext* ctx,
else {
for (i = 0; i < nr_prims; ++i)
{
dwords += prim[i].count + 10;
dwords += 13;
}
}