diff options
| author | Chris Wilson <chris@chris-wilson.co.uk> | 2010-11-25 22:27:37 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2011-02-21 13:04:41 +0000 |
| commit | 0b0cad38c57fbe59710cb4058866b2e68f6d471a (patch) | |
| tree | efb325a39c164d8945ce3be87e6893c7420bc27b /src/mesa/drivers | |
| parent | 87641cffd97f328e846604d314c21582f426a19a (diff) | |
i915: suppress repeated sampler state emission
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'src/mesa/drivers')
| -rw-r--r-- | src/mesa/drivers/dri/i915/i915_context.h | 1 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i915/i915_vtbl.c | 10 |
2 files changed, 11 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i915/i915_context.h b/src/mesa/drivers/dri/i915/i915_context.h index 2c80ded075..d0245218f0 100644 --- a/src/mesa/drivers/dri/i915/i915_context.h +++ b/src/mesa/drivers/dri/i915/i915_context.h @@ -262,6 +262,7 @@ struct i915_context struct i915_hw_state state; uint32_t last_draw_offset; + GLuint last_sampler; }; diff --git a/src/mesa/drivers/dri/i915/i915_vtbl.c b/src/mesa/drivers/dri/i915/i915_vtbl.c index 394935c96c..14c409bfc6 100644 --- a/src/mesa/drivers/dri/i915/i915_vtbl.c +++ b/src/mesa/drivers/dri/i915/i915_vtbl.c @@ -426,6 +426,7 @@ i915_emit_state(struct intel_context *intel) */ if (dirty & I915_UPLOAD_TEX_ALL) { int nr = 0; + GLuint unwind; for (i = 0; i < I915_TEX_UNITS; i++) if (dirty & I915_UPLOAD_TEX(i)) @@ -445,6 +446,7 @@ i915_emit_state(struct intel_context *intel) } ADVANCE_BATCH(); + unwind = intel->batch.used; BEGIN_BATCH(2 + nr * 3); OUT_BATCH(_3DSTATE_SAMPLER_STATE | (3 * nr)); OUT_BATCH((dirty & I915_UPLOAD_TEX_ALL) >> I915_UPLOAD_TEX_0_SHIFT); @@ -455,6 +457,13 @@ i915_emit_state(struct intel_context *intel) OUT_BATCH(state->Tex[i][I915_TEXREG_SS4]); } ADVANCE_BATCH(); + if (i915->last_sampler && + memcmp(intel->batch.map + i915->last_sampler, + intel->batch.map + unwind, + (2 + nr*3)*sizeof(int)) == 0) + intel->batch.used = unwind; + else + i915->last_sampler = unwind; } if (dirty & I915_UPLOAD_CONSTANTS) { @@ -658,6 +667,7 @@ i915_new_batch(struct intel_context *intel) */ i915->state.emitted = 0; i915->last_draw_offset = 0; + i915->last_sampler = 0; } static void |