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i965: Try uploading SNB VS constants.

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This commit is contained in:
Eric Anholt 2009-12-03 15:20:06 -08:00
parent eda1b50aa1
commit 8485e100b8
1 changed files with 52 additions and 9 deletions
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61
src/mesa/drivers/dri/i965/gen6_vs_state.c
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@ -31,12 +31,20 @@
#include "brw_util.h"
#include "main/macros.h"
#include "main/enums.h"
#include "shader/prog_parameter.h"
#include "shader/prog_statevars.h"
#include "intel_batchbuffer.h"
static void
upload_vs_state(struct brw_context *brw)
{
struct intel_context *intel = &brw->intel;
GLcontext *ctx = &intel->ctx;
const struct brw_vertex_program *vp =
brw_vertex_program_const(brw->vertex_program);
unsigned int nr_params = vp->program.Base.Parameters->NumParameters;
drm_intel_bo *constant_bo;
int i;
BEGIN_BATCH(6);
OUT_BATCH(CMD_3D_VS_STATE << 16 | (6 - 2));
@ -52,19 +60,54 @@ upload_vs_state(struct brw_context *brw)
GEN6_VS_STATISTICS_ENABLE);
ADVANCE_BATCH();
/* Disable all the constant buffers. */
BEGIN_BATCH(5);
OUT_BATCH(CMD_3D_CONSTANT_VS_STATE | (5 - 2));
OUT_BATCH(0);
OUT_BATCH(0);
OUT_BATCH(0);
OUT_BATCH(0);
ADVANCE_BATCH();
if (vp->use_const_buffer || nr_params == 0) {
/* Disable the push constant buffers. */
BEGIN_BATCH(5);
OUT_BATCH(CMD_3D_CONSTANT_VS_STATE << 16 | (5 - 2));
OUT_BATCH(0);
OUT_BATCH(0);
OUT_BATCH(0);
OUT_BATCH(0);
ADVANCE_BATCH();
} else {
if (brw->vertex_program->IsNVProgram)
_mesa_load_tracked_matrices(ctx);
/* Updates the ParamaterValues[i] pointers for all parameters of the
* basic type of PROGRAM_STATE_VAR.
*/
_mesa_load_state_parameters(ctx, vp->program.Base.Parameters);
constant_bo = drm_intel_bo_alloc(intel->bufmgr, "VS constant_bo",
nr_params * 4 * sizeof(float),
4096);
intel_bo_map_gtt_preferred(intel, constant_bo, GL_TRUE);
for (i = 0; i < nr_params; i++) {
memcpy((char *)constant_bo->virtual + i * 4 * sizeof(float),
vp->program.Base.Parameters->ParameterValues[i],
4 * sizeof(float));
}
intel_bo_unmap_gtt_preferred(intel, constant_bo);
BEGIN_BATCH(5);
OUT_BATCH(CMD_3D_CONSTANT_VS_STATE << 16 |
GEN6_CONSTANT_BUFFER_0_ENABLE |
(5 - 2));
OUT_RELOC(constant_bo,
I915_GEM_DOMAIN_RENDER, 0, /* XXX: bad domain */
ALIGN(nr_params, 2) / 2 - 1);
OUT_BATCH(0);
OUT_BATCH(0);
OUT_BATCH(0);
ADVANCE_BATCH();
drm_intel_bo_unreference(constant_bo);
}
}
const struct brw_tracked_state gen6_vs_state = {
.dirty = {
.mesa = _NEW_TRANSFORM,
.mesa = _NEW_TRANSFORM | _NEW_PROGRAM_CONSTANTS,
.brw = (BRW_NEW_CURBE_OFFSETS |
BRW_NEW_NR_VS_SURFACES |
BRW_NEW_URB_FENCE |