Reduces compiled size of brw_wm_surface_state.o another 1.9%.
Overall, this brw_wm_surface_state reduction series cuts
firefox-talos-gfx runtime by 0.68% +/- 0.42% (n=6).
---
src/mesa/drivers/dri/i965/brw_wm_surface_state.c | 26 +++++++++++-----------
1 files changed, 13 insertions(+), 13 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
index 854e69d..6c1eba6 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
@@ -400,23 +400,23 @@ static void
brw_update_null_renderbuffer_surface(struct brw_context *brw, unsigned int
unit)
{
struct intel_context *intel = &brw->intel;
- struct brw_surface_state *surf;
-
- surf = brw_state_batch(brw, sizeof(*surf), 32,
- &brw->wm.surf_offset[unit]);
- memset(surf, 0, sizeof(*surf));
+ uint32_t *surf;
- surf->ss0.surface_type = BRW_SURFACE_NULL;
- surf->ss0.surface_format = BRW_SURFACEFORMAT_B8G8R8A8_UNORM;
+ surf = brw_state_batch(brw, 6 * 4, 32, &brw->wm.surf_offset[unit]);
+ surf[0] = (BRW_SURFACE_NULL << BRW_SURFACE_TYPE_SHIFT |
+ BRW_SURFACEFORMAT_B8G8R8A8_UNORM << BRW_SURFACE_FORMAT_SHIFT);
if (intel->gen < 6) {
- /* _NEW_COLOR */
- surf->ss0.color_blend = 0;
- surf->ss0.writedisable_red = 1;
- surf->ss0.writedisable_green = 1;
- surf->ss0.writedisable_blue = 1;
- surf->ss0.writedisable_alpha = 1;
+ surf[0] |= (1 << BRW_SURFACE_WRITEDISABLE_R_SHIFT |
+ 1 << BRW_SURFACE_WRITEDISABLE_G_SHIFT |
+ 1 << BRW_SURFACE_WRITEDISABLE_B_SHIFT |
+ 1 << BRW_SURFACE_WRITEDISABLE_A_SHIFT);
}
+ surf[1] = 0;
+ surf[2] = 0;
+ surf[3] = 0;
+ surf[4] = 0;
+ surf[5] = 0;
}
/**
--
1.7.5.1
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