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iris: alpha testing in PSB

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This commit is contained in:
Kenneth Graunke
2018-01-25 21:58:31 -08:00
parent c96132d5fd
commit 5af16f5e20
1 changed files with 13 additions and 6 deletions
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src/gallium/drivers/iris/iris_state.c
+13 -6
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@@ -395,8 +395,8 @@ iris_create_blend_state(struct pipe_context *ctx,
cso->alpha_to_coverage = state->alpha_to_coverage;
iris_pack_command(GENX(3DSTATE_PS_BLEND), cso->ps_blend, pb) {
//pb.HasWriteableRT = <comes from somewhere> :(
//pb.AlphaTestEnable = <comes from alpha state> :(
/* pb.HasWriteableRT is filled in at draw time. */
/* pb.AlphaTestEnable is filled in at draw time. */
pb.AlphaToCoverageEnable = state->alpha_to_coverage;
pb.IndependentAlphaBlendEnable = state->independent_blend_enable;
@@ -414,8 +414,7 @@ iris_create_blend_state(struct pipe_context *ctx,
bs.AlphaToOneEnable = state->alpha_to_one;
bs.AlphaToCoverageDitherEnable = state->alpha_to_coverage;
bs.ColorDitherEnable = state->dither;
//bs.AlphaTestEnable = <comes from alpha state> :(
//bs.AlphaTestFunction = <comes from alpha state> :(
/* bl.AlphaTestEnable and bs.AlphaTestFunction are filled in later. */
}
blend_state += GENX(BLEND_STATE_length);
@@ -1956,8 +1955,16 @@ iris_upload_render_state(struct iris_context *ice,
// -> bunch of shader state...
if (dirty & IRIS_DIRTY_PS_BLEND) {
struct iris_blend_state *cso = ice->state.cso_blend;
iris_batch_emit(batch, cso->ps_blend, sizeof(cso->ps_blend));
struct iris_blend_state *cso_blend = ice->state.cso_blend;
struct iris_depth_stencil_alpha_state *cso_zsa = ice->state.cso_zsa;
uint32_t dynamic_pb[GENX(3DSTATE_PS_BLEND_length)];
iris_pack_command(GENX(3DSTATE_PS_BLEND), &dynamic_pb, pb) {
pb.HasWriteableRT = true; // XXX: comes from somewhere :(
pb.AlphaTestEnable = cso_zsa->alpha.enabled;
}
iris_emit_merge(batch, cso_blend->ps_blend, dynamic_pb,
ARRAY_SIZE(cso_blend->ps_blend));
}
if (dirty & IRIS_DIRTY_WM_DEPTH_STENCIL) {