diff options
| -rw-r--r-- | src/intel/vulkan/genX_pipeline.c | 36 |
1 files changed, 33 insertions, 3 deletions
diff --git a/src/intel/vulkan/genX_pipeline.c b/src/intel/vulkan/genX_pipeline.c index 9d985752f8c..cb164addfbd 100644 --- a/src/intel/vulkan/genX_pipeline.c +++ b/src/intel/vulkan/genX_pipeline.c @@ -1100,8 +1100,18 @@ emit_3dstate_wm(struct anv_pipeline *pipeline, struct anv_subpass *subpass, } } +static bool +is_dual_src_blend_factor(VkBlendFactor factor) +{ + return factor == VK_BLEND_FACTOR_SRC1_COLOR || + factor == VK_BLEND_FACTOR_ONE_MINUS_SRC1_COLOR || + factor == VK_BLEND_FACTOR_SRC1_ALPHA || + factor == VK_BLEND_FACTOR_ONE_MINUS_SRC1_ALPHA; +} + static void -emit_3dstate_ps(struct anv_pipeline *pipeline) +emit_3dstate_ps(struct anv_pipeline *pipeline, + const VkPipelineColorBlendStateCreateInfo *blend) { MAYBE_UNUSED const struct gen_device_info *devinfo = &pipeline->device->info; const struct anv_shader_bin *fs_bin = @@ -1121,6 +1131,26 @@ emit_3dstate_ps(struct anv_pipeline *pipeline) const struct brw_wm_prog_data *wm_prog_data = get_wm_prog_data(pipeline); +#if GEN_GEN < 8 + /* The hardware wedges if you have this bit set but don't turn on any dual + * source blend factors. + */ + bool dual_src_blend = false; + if (wm_prog_data->dual_src_blend) { + for (uint32_t i = 0; i < blend->attachmentCount; i++) { + VkPipelineColorBlendAttachmentState *bstate = &blend->pAttachments[i]; + if (bstate->blendEnable && + (is_dual_src_blend_factor(bstate->srcColorBlendFactor) || + is_dual_src_blend_factor(bstate->dstColorBlendFactor) || + is_dual_src_blend_factor(bstate->srcAlphaBlendFactor) || + is_dual_src_blend_factor(bstate->dstAlphaBlendFactor))) { + dual_src_blend = true; + break; + } + } + } +#endif + anv_batch_emit(&pipeline->batch, GENX(3DSTATE_PS), ps) { ps.KernelStartPointer0 = fs_bin->kernel.offset; ps.KernelStartPointer1 = 0; @@ -1140,7 +1170,7 @@ emit_3dstate_ps(struct anv_pipeline *pipeline) #if GEN_GEN < 8 ps.AttributeEnable = wm_prog_data->num_varying_inputs > 0; ps.oMaskPresenttoRenderTarget = wm_prog_data->uses_omask; - ps.DualSourceBlendEnable = wm_prog_data->dual_src_blend; + ps.DualSourceBlendEnable = dual_src_blend; #endif #if GEN_IS_HASWELL @@ -1286,7 +1316,7 @@ genX(graphics_pipeline_create)( emit_3dstate_gs(pipeline); emit_3dstate_sbe(pipeline); emit_3dstate_wm(pipeline, subpass, pCreateInfo->pMultisampleState); - emit_3dstate_ps(pipeline); + emit_3dstate_ps(pipeline, pCreateInfo->pColorBlendState); #if GEN_GEN >= 8 emit_3dstate_ps_extra(pipeline, subpass); emit_3dstate_vf_topology(pipeline); |