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i965/blorp: Refactor vertex buffer state setup 

Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Signed-off-by: Topi Pohjolainen <topi.pohjolainen@intel.com>
This commit is contained in:
Topi Pohjolainen 2015-02-27 11:17:05 +02:00
parent d271a13ba3
commit bfdacac86c
1 changed files with 34 additions and 26 deletions
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60
src/mesa/drivers/dri/i965/gen6_blorp.cpp
View File

@ -93,6 +93,37 @@ gen6_blorp_emit_state_base_address(struct brw_context *brw,
ADVANCE_BATCH();
}
static void
gen6_blorp_emit_vertex_buffer_state(struct brw_context *brw,
unsigned num_elems,
unsigned vbo_size,
uint32_t vertex_offset)
{
/* 3DSTATE_VERTEX_BUFFERS */
const int num_buffers = 1;
const int batch_length = 1 + 4 * num_buffers;
uint32_t dw0 = GEN6_VB0_ACCESS_VERTEXDATA |
(num_elems * sizeof(float)) << BRW_VB0_PITCH_SHIFT;
if (brw->gen >= 7)
dw0 |= GEN7_VB0_ADDRESS_MODIFYENABLE;
if (brw->gen == 7)
dw0 |= GEN7_MOCS_L3 << 16;
BEGIN_BATCH(batch_length);
OUT_BATCH((_3DSTATE_VERTEX_BUFFERS << 16) | (batch_length - 2));
OUT_BATCH(dw0);
/* start address */
OUT_RELOC(brw->batch.bo, I915_GEM_DOMAIN_VERTEX, 0,
vertex_offset);
/* end address */
OUT_RELOC(brw->batch.bo, I915_GEM_DOMAIN_VERTEX, 0,
vertex_offset + vbo_size - 1);
OUT_BATCH(0);
ADVANCE_BATCH();
}
void
gen6_blorp_emit_vertices(struct brw_context *brw,
@ -144,32 +175,9 @@ gen6_blorp_emit_vertices(struct brw_context *brw,
memcpy(vertex_data, vertices, GEN6_BLORP_VBO_SIZE);
}
/* 3DSTATE_VERTEX_BUFFERS */
{
const int num_buffers = 1;
const int batch_length = 1 + 4 * num_buffers;
uint32_t dw0 = GEN6_VB0_ACCESS_VERTEXDATA |
(GEN6_BLORP_NUM_VUE_ELEMS * sizeof(float)) << BRW_VB0_PITCH_SHIFT;
if (brw->gen >= 7)
dw0 |= GEN7_VB0_ADDRESS_MODIFYENABLE;
if (brw->gen == 7)
dw0 |= GEN7_MOCS_L3 << 16;
BEGIN_BATCH(batch_length);
OUT_BATCH((_3DSTATE_VERTEX_BUFFERS << 16) | (batch_length - 2));
OUT_BATCH(dw0);
/* start address */
OUT_RELOC(brw->batch.bo, I915_GEM_DOMAIN_VERTEX, 0,
vertex_offset);
/* end address */
OUT_RELOC(brw->batch.bo, I915_GEM_DOMAIN_VERTEX, 0,
vertex_offset + GEN6_BLORP_VBO_SIZE - 1);
OUT_BATCH(0);
ADVANCE_BATCH();
}
gen6_blorp_emit_vertex_buffer_state(brw, GEN6_BLORP_NUM_VUE_ELEMS,
GEN6_BLORP_VBO_SIZE,
vertex_offset);
/* 3DSTATE_VERTEX_ELEMENTS
*