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radv: consider dual src blend for when epilog needs alpha

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Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38853>
This commit is contained in:
Georg Lehmann
2025-12-08 15:48:40 +01:00
committed by Marge Bot
parent a1fbf91ff2
commit 18013e3281
2 changed files with 12 additions and 3 deletions
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11
src/amd/vulkan/radv_cmd_buffer.c
View File

@@ -6287,9 +6287,16 @@ lookup_ps_epilog(struct radv_cmd_buffer *cmd_buffer)
state.color_attachment_formats[i] = render->color_att[i].format;
const uint32_t blend_src1_alpha =
pdev->info.gfx_level >= GFX11 ? V_028780_BLEND_SRC1_ALPHA_GFX11 : V_028780_BLEND_SRC1_ALPHA_GFX6;
const uint32_t blend_inv_src1_alpha =
pdev->info.gfx_level >= GFX11 ? V_028780_BLEND_INV_SRC1_ALPHA_GFX11 : V_028780_BLEND_INV_SRC1_ALPHA_GFX6;
if (src_blend == V_028780_BLEND_SRC_ALPHA || src_blend == V_028780_BLEND_ONE_MINUS_SRC_ALPHA ||
src_blend == V_028780_BLEND_SRC_ALPHA_SATURATE || dst_blend == V_028780_BLEND_SRC_ALPHA ||
dst_blend == V_028780_BLEND_ONE_MINUS_SRC_ALPHA || dst_blend == V_028780_BLEND_SRC_ALPHA_SATURATE)
src_blend == V_028780_BLEND_SRC_ALPHA_SATURATE || src_blend == blend_src1_alpha ||
src_blend == blend_inv_src1_alpha || dst_blend == V_028780_BLEND_SRC_ALPHA ||
dst_blend == V_028780_BLEND_ONE_MINUS_SRC_ALPHA || dst_blend == V_028780_BLEND_SRC_ALPHA_SATURATE ||
dst_blend == blend_src1_alpha || dst_blend == blend_inv_src1_alpha)
state.need_src_alpha |= 1 << i;
state.color_attachment_mappings[i] = d->vk.cal.color_map[i];

4
src/amd/vulkan/radv_pipeline_graphics.c
View File

@@ -1941,7 +1941,9 @@ radv_pipeline_generate_ps_epilog_key(const struct radv_device *device, const str
if (srcRGB == VK_BLEND_FACTOR_SRC_ALPHA || dstRGB == VK_BLEND_FACTOR_SRC_ALPHA ||
srcRGB == VK_BLEND_FACTOR_SRC_ALPHA_SATURATE || dstRGB == VK_BLEND_FACTOR_SRC_ALPHA_SATURATE ||
srcRGB == VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA || dstRGB == VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA)
srcRGB == VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA || dstRGB == VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA ||
srcRGB == VK_BLEND_FACTOR_SRC1_ALPHA || dstRGB == VK_BLEND_FACTOR_SRC1_ALPHA ||
srcRGB == VK_BLEND_FACTOR_ONE_MINUS_SRC1_ALPHA || dstRGB == VK_BLEND_FACTOR_ONE_MINUS_SRC1_ALPHA)
ps_epilog.need_src_alpha |= 1 << i;
}
}