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[Vulkan] Texture swizzling for certain texture formats

This commit is contained in:
Dr. Chat 2018-05-07 16:22:55 -05:00
parent 9a15896305
commit 25c2048b1a
1 changed files with 24 additions and 11 deletions
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35
src/xenia/gpu/vulkan/texture_cache.cc
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@ -30,14 +30,23 @@ constexpr VkDeviceSize kStagingBufferSize = 32 * 1024 * 1024;
struct TextureConfig {
VkFormat host_format;
VkComponentSwizzle swizzle_r = VK_COMPONENT_SWIZZLE_R;
VkComponentSwizzle swizzle_g = VK_COMPONENT_SWIZZLE_G;
VkComponentSwizzle swizzle_b = VK_COMPONENT_SWIZZLE_B;
VkComponentSwizzle swizzle_a = VK_COMPONENT_SWIZZLE_A;
};
#define SWIZ(r, g, b, a) \
VK_COMPONENT_SWIZZLE_##r, VK_COMPONENT_SWIZZLE_##g, \
VK_COMPONENT_SWIZZLE_##b, VK_COMPONENT_SWIZZLE_##a
#define RGBA SWIZ(R, G, B, A)
#define ABGR SWIZ(A, B, G, R)
static const TextureConfig texture_configs[64] = {
/* k_1_REVERSE */ {VK_FORMAT_UNDEFINED},
/* k_1 */ {VK_FORMAT_UNDEFINED},
/* k_8 */ {VK_FORMAT_R8_UNORM},
// ! A1BGR5
/* k_1_5_5_5 */ {VK_FORMAT_A1R5G5B5_UNORM_PACK16},
/* k_1_5_5_5 */ {VK_FORMAT_A1R5G5B5_UNORM_PACK16, ABGR},
/* k_5_6_5 */ {VK_FORMAT_R5G6B5_UNORM_PACK16},
/* k_6_5_5 */ {VK_FORMAT_UNDEFINED},
/* k_8_8_8_8 */ {VK_FORMAT_R8G8B8A8_UNORM},
@ -117,6 +126,10 @@ static const TextureConfig texture_configs[64] = {
/* kUnknown */ {VK_FORMAT_UNDEFINED},
};
#undef ABGR
#undef RGBA
#undef SWIZ
TextureCache::TextureCache(Memory* memory, RegisterFile* register_file,
TraceWriter* trace_writer,
ui::vulkan::VulkanDevice* device)
@ -522,6 +535,9 @@ TextureCache::TextureView* TextureCache::DemandView(Texture* texture,
}
}
auto& config =
texture_configs[uint32_t(texture->texture_info.texture_format)];
VkImageViewCreateInfo view_info;
view_info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
view_info.pNext = nullptr;
@ -545,17 +561,14 @@ TextureCache::TextureView* TextureCache::DemandView(Texture* texture,
}
VkComponentSwizzle swiz_component_map[] = {
VK_COMPONENT_SWIZZLE_R, VK_COMPONENT_SWIZZLE_G,
VK_COMPONENT_SWIZZLE_B, VK_COMPONENT_SWIZZLE_A,
VK_COMPONENT_SWIZZLE_ZERO, VK_COMPONENT_SWIZZLE_ONE,
config.swizzle_r,
config.swizzle_g,
config.swizzle_b,
config.swizzle_a,
VK_COMPONENT_SWIZZLE_ZERO,
VK_COMPONENT_SWIZZLE_ONE,
VK_COMPONENT_SWIZZLE_IDENTITY,
};
if (texture->texture_info.texture_format == TextureFormat::k_4_4_4_4) {
swiz_component_map[0] = VK_COMPONENT_SWIZZLE_A;
swiz_component_map[1] = VK_COMPONENT_SWIZZLE_B;
swiz_component_map[2] = VK_COMPONENT_SWIZZLE_G;
swiz_component_map[3] = VK_COMPONENT_SWIZZLE_R;
}
view_info.components = {
swiz_component_map[(swizzle >> 0) & 0x7],