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-rw-r--r--src/amd/vulkan/radv_pipeline.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/src/amd/vulkan/radv_pipeline.c b/src/amd/vulkan/radv_pipeline.c
index d92fbf81d93..fe1eac8743d 100644
--- a/src/amd/vulkan/radv_pipeline.c
+++ b/src/amd/vulkan/radv_pipeline.c
@@ -642,7 +642,8 @@ radv_pipeline_compute_spi_color_formats(struct radv_pipeline *pipeline,
const VkGraphicsPipelineCreateInfo *pCreateInfo,
uint32_t blend_enable,
uint32_t blend_need_alpha,
- bool single_cb_enable)
+ bool single_cb_enable,
+ bool blend_mrt0_is_dual_src)
{
RADV_FROM_HANDLE(radv_render_pass, pass, pCreateInfo->renderPass);
struct radv_subpass *subpass = pass->subpasses + pCreateInfo->subpass;
@@ -664,6 +665,8 @@ radv_pipeline_compute_spi_color_formats(struct radv_pipeline *pipeline,
blend->cb_shader_mask = si_get_cb_shader_mask(col_format);
+ if (blend_mrt0_is_dual_src)
+ col_format |= (col_format & 0xf) << 4;
if (!col_format)
col_format |= V_028714_SPI_SHADER_32_R;
blend->spi_shader_col_format = col_format;
@@ -715,6 +718,7 @@ radv_pipeline_init_blend_state(struct radv_pipeline *pipeline,
struct radv_blend_state *blend = &pipeline->graphics.blend;
unsigned mode = V_028808_CB_NORMAL;
uint32_t blend_enable = 0, blend_need_alpha = 0;
+ bool blend_mrt0_is_dual_src = false;
int i;
bool single_cb_enable = false;
if (extra && extra->custom_blend_mode) {
@@ -755,7 +759,9 @@ radv_pipeline_init_blend_state(struct radv_pipeline *pipeline,
}
if (is_dual_src(srcRGB) || is_dual_src(dstRGB) || is_dual_src(srcA) || is_dual_src(dstA))
- radv_finishme("dual source blending");
+ if (i == 0)
+ blend_mrt0_is_dual_src = true;
+
if (eqRGB == VK_BLEND_OP_MIN || eqRGB == VK_BLEND_OP_MAX) {
srcRGB = VK_BLEND_FACTOR_ONE;
dstRGB = VK_BLEND_FACTOR_ONE;
@@ -797,7 +803,7 @@ radv_pipeline_init_blend_state(struct radv_pipeline *pipeline,
blend->cb_color_control |= S_028808_MODE(V_028808_CB_DISABLE);
radv_pipeline_compute_spi_color_formats(pipeline, pCreateInfo,
- blend_enable, blend_need_alpha, single_cb_enable);
+ blend_enable, blend_need_alpha, single_cb_enable, blend_mrt0_is_dual_src);
}
static uint32_t si_translate_stencil_op(enum VkStencilOp op)