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iris: Set HasWriteableRT correctly

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A bit of irritating state cross dependency here, but nothing too hard
This commit is contained in:
Kenneth Graunke
2019-02-11 12:07:51 -08:00
parent d612cd1bf8
commit bf23e79629
2 changed files with 45 additions and 1 deletions
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src/gallium/drivers/iris/iris_program.c
+15
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@@ -516,6 +516,21 @@ iris_bind_gs_state(struct pipe_context *ctx, void *state)
static void
iris_bind_fs_state(struct pipe_context *ctx, void *state)
{
struct iris_context *ice = (struct iris_context *) ctx;
struct iris_uncompiled_shader *old_ish =
ice->shaders.uncompiled[MESA_SHADER_FRAGMENT];
struct iris_uncompiled_shader *new_ish = state;
const unsigned color_bits =
BITFIELD64_BIT(FRAG_RESULT_COLOR) |
BITFIELD64_RANGE(FRAG_RESULT_DATA0, BRW_MAX_DRAW_BUFFERS);
/* Fragment shader outputs influence HasWriteableRT */
if (!old_ish || !new_ish ||
(old_ish->nir->info.outputs_written & color_bits) !=
(new_ish->nir->info.outputs_written & color_bits))
ice->state.dirty |= IRIS_DIRTY_PS_BLEND;
bind_state((void *) ctx, state, MESA_SHADER_FRAGMENT);
}