static void
gen7_upload_sampler_state_table(struct brw_context *brw,
struct gl_program *prog,
uint32_t sampler_count,
uint32_t *sst_offset,
uint32_t *sdc_offset)
{
struct gl_context *ctx = &brw->ctx;
struct gen7_sampler_state *samplers;
GLbitfield SamplersUsed = prog->SamplersUsed;
if (sampler_count == 0)
return;
samplers = brw_state_batch(brw, AUB_TRACE_SAMPLER_STATE,
sampler_count * sizeof(*samplers),
32, sst_offset);
memset(samplers, 0, sampler_count * sizeof(*samplers));
for (unsigned s = 0; s < sampler_count; s++) {
if (SamplersUsed & (1 << s)) {
const unsigned unit = prog->SamplerUnits[s];
if (ctx->Texture.Unit[unit]._ReallyEnabled)
gen7_update_sampler_state(brw, unit, s, &samplers[s],
&sdc_offset[s]);
}
}
brw->state.dirty.cache |= CACHE_NEW_SAMPLER;
}
/* All samplers must be uploaded in a single contiguous array, which
* complicates various things. However, this is still too confusing -
* FIXME: simplify all the different new texture state flags.
*/
static void
gen7_prepare_samplers(struct brw_context *brw)
{
struct gl_context *ctx = &brw->intel.ctx;
struct gen7_sampler_state *samplers;
int i;
brw->wm.sampler_count = 0;
for (i = 0; i < BRW_MAX_TEX_UNIT; i++) {
if (ctx->Texture.Unit[i]._ReallyEnabled)
brw->wm.sampler_count = i + 1;
}
if (brw->wm.sampler_count == 0)
return;
samplers = brw_state_batch(brw, AUB_TRACE_SAMPLER_STATE,
brw->wm.sampler_count * sizeof(*samplers),
32, &brw->wm.sampler_offset);
memset(samplers, 0, brw->wm.sampler_count * sizeof(*samplers));
for (i = 0; i < brw->wm.sampler_count; i++) {
if (ctx->Texture.Unit[i]._ReallyEnabled)
gen7_update_sampler_state(brw, i, &samplers[i]);
}
brw->state.dirty.cache |= CACHE_NEW_SAMPLER;
}
static void
gen7_upload_samplers(struct brw_context *brw)
{
struct gl_context *ctx = &brw->intel.ctx;
struct gen7_sampler_state *samplers;
/* BRW_NEW_VERTEX_PROGRAM and BRW_NEW_FRAGMENT_PROGRAM */
struct gl_program *vs = (struct gl_program *) brw->vertex_program;
struct gl_program *fs = (struct gl_program *) brw->fragment_program;
GLbitfield SamplersUsed = vs->SamplersUsed | fs->SamplersUsed;
brw->sampler.count = _mesa_fls(SamplersUsed);
if (brw->sampler.count == 0)
return;
samplers = brw_state_batch(brw, AUB_TRACE_SAMPLER_STATE,
brw->sampler.count * sizeof(*samplers),
32, &brw->sampler.offset);
memset(samplers, 0, brw->sampler.count * sizeof(*samplers));
for (unsigned s = 0; s < brw->sampler.count; s++) {
if (SamplersUsed & (1 << s)) {
const unsigned unit = (fs->SamplersUsed & (1 << s)) ?
fs->SamplerUnits[s] : vs->SamplerUnits[s];
if (ctx->Texture.Unit[unit]._ReallyEnabled)
gen7_update_sampler_state(brw, unit, s, &samplers[s]);
}
}
brw->state.dirty.cache |= CACHE_NEW_SAMPLER;
}