This fixes
dEQP-VK.rasterization.primitive_size.points.point_size_*
This also fixes some black squares with the Sascha SSAO demo.
Signed-off-by: Samuel Pitoiset <samuel.pitoi...@gmail.com>
---
src/amd/vulkan/radv_image.c | 15 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/src/amd/vulkan/radv_image.c b/src/amd/vulkan/radv_image.c
index 09413333cbb..59d6d0ced78 100644
--- a/src/amd/vulkan/radv_image.c
+++ b/src/amd/vulkan/radv_image.c
@@ -617,6 +617,19 @@ static unsigned gfx9_border_color_swizzle(const enum
vk_swizzle swizzle[4])
return bc_swizzle;
}
+static bool vi_alpha_is_on_msb(struct radv_device *device, VkFormat format)
+{
+ const struct vk_format_description *desc =
vk_format_description(format);
+
+ /* Formats with 3 channels can't have alpha. */
+ if (desc->nr_channels == 3)
+ return true; /* same as xxxA; is any value OK here? */
+
+ if (device->physical_device->rad_info.chip_class >= GFX10 &&
desc->nr_channels == 1)
+ return desc->swizzle[3] == VK_SWIZZLE_X;
+
+ return radv_translate_colorswap(format, false) <= 1;
+}
/**
* Build the sampler view descriptor for a texture (GFX10).
*/
@@ -695,7 +708,7 @@ gfx10_make_texture_descriptor(struct radv_device *device,
state[6] |=
S_00A018_MAX_UNCOMPRESSED_BLOCK_SIZE(V_028C78_MAX_BLOCK_SIZE_256B) |
S_00A018_MAX_COMPRESSED_BLOCK_SIZE(V_028C78_MAX_BLOCK_SIZE_128B) |
- S_00A018_ALPHA_IS_ON_MSB(swap <= 1);
+ S_00A018_ALPHA_IS_ON_MSB(vi_alpha_is_on_msb(device,
vk_format));
}
/* Initialize the sampler view for FMASK. */
--
2.22.0
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