video_core: Implement R8_SINT render target

src/video_core/gpu.h

@@ -76,6 +76,7 @@ enum class RenderTargetFormat : u32 {
     R16_FLOAT = 0xF2,
     R8_UNORM = 0xF3,
     R8_SNORM = 0xF4,
+    R8_SINT = 0xF5,
     R8_UINT = 0xF6,
 };
 

src/video_core/morton.cpp

@@ -49,6 +49,7 @@ static constexpr ConversionArray morton_to_linear_fns = {
     MortonCopy<true, PixelFormat::A1B5G5R5U>,
     MortonCopy<true, PixelFormat::R8U>,
     MortonCopy<true, PixelFormat::R8S>,
+    MortonCopy<true, PixelFormat::R8I>,
     MortonCopy<true, PixelFormat::R8UI>,
     MortonCopy<true, PixelFormat::RGBA16F>,
     MortonCopy<true, PixelFormat::RGBA16U>,
@@ -133,6 +134,7 @@ static constexpr ConversionArray linear_to_morton_fns = {
     MortonCopy<false, PixelFormat::A1B5G5R5U>,
     MortonCopy<false, PixelFormat::R8U>,
     MortonCopy<false, PixelFormat::R8S>,
+    MortonCopy<false, PixelFormat::R8I>,
     MortonCopy<false, PixelFormat::R8UI>,
     MortonCopy<false, PixelFormat::RGBA16F>,
     MortonCopy<false, PixelFormat::RGBA16S>,

src/video_core/renderer_opengl/gl_texture_cache.cpp

@@ -49,6 +49,7 @@ constexpr std::array<FormatTuple, VideoCore::Surface::MaxPixelFormat> tex_format
     {GL_RGB5_A1, GL_RGBA, GL_UNSIGNED_SHORT_1_5_5_5_REV},         // A1B5G5R5U
     {GL_R8, GL_RED, GL_UNSIGNED_BYTE},                            // R8U
     {GL_R8_SNORM, GL_RED, GL_BYTE},                               // R8S
+    {GL_R8I, GL_RED_INTEGER, GL_BYTE},                            // R8I
     {GL_R8UI, GL_RED_INTEGER, GL_UNSIGNED_BYTE},                  // R8UI
     {GL_RGBA16F, GL_RGBA, GL_HALF_FLOAT},                         // RGBA16F
     {GL_RGBA16, GL_RGBA, GL_UNSIGNED_SHORT},                      // RGBA16U

src/video_core/renderer_vulkan/maxwell_to_vk.cpp

@@ -125,6 +125,7 @@ struct FormatTuple {
     {VK_FORMAT_A1R5G5B5_UNORM_PACK16, Attachable},              // A1B5G5R5U (flipped with swizzle)
     {VK_FORMAT_R8_UNORM, Attachable | Storage},                 // R8U
     {VK_FORMAT_R8_SNORM, Attachable | Storage},                 // R8S
+    {VK_FORMAT_R8_SINT, Attachable | Storage},                  // R8I
     {VK_FORMAT_R8_UINT, Attachable | Storage},                  // R8UI
     {VK_FORMAT_R16G16B16A16_SFLOAT, Attachable | Storage},      // RGBA16F
     {VK_FORMAT_R16G16B16A16_UNORM, Attachable | Storage},       // RGBA16U

src/video_core/renderer_vulkan/vk_device.cpp

@@ -99,6 +99,7 @@ std::unordered_map<VkFormat, VkFormatProperties> GetFormatProperties(
         VK_FORMAT_R8G8_UINT,
         VK_FORMAT_R8_UNORM,
         VK_FORMAT_R8_SNORM,
+        VK_FORMAT_R8_SINT,
         VK_FORMAT_R8_UINT,
         VK_FORMAT_B10G11R11_UFLOAT_PACK32,
         VK_FORMAT_R32_SFLOAT,

src/video_core/surface.cpp

@@ -166,6 +166,8 @@ PixelFormat PixelFormatFromRenderTargetFormat(Tegra::RenderTargetFormat format)
         return PixelFormat::R8U;
     case Tegra::RenderTargetFormat::R8_SNORM:
         return PixelFormat::R8S;
+    case Tegra::RenderTargetFormat::R8_SINT:
+        return PixelFormat::R8I;
     case Tegra::RenderTargetFormat::R8_UINT:
         return PixelFormat::R8UI;
     default:

src/video_core/surface.h

@@ -23,6 +23,7 @@ enum class PixelFormat {
     A1B5G5R5U,
     R8U,
     R8S,
+    R8I,
     R8UI,
     RGBA16F,
     RGBA16U,
@@ -139,6 +140,7 @@ constexpr std::array<u32, MaxPixelFormat> compression_factor_shift_table = {{
     0, // A1B5G5R5U
     0, // R8U
     0, // R8S
+    0, // R8I
     0, // R8UI
     0, // RGBA16F
     0, // RGBA16U
@@ -239,6 +241,7 @@ constexpr std::array<u32, MaxPixelFormat> block_width_table = {{
     1,  // A1B5G5R5U
     1,  // R8U
     1,  // R8S
+    1,  // R8I
     1,  // R8UI
     1,  // RGBA16F
     1,  // RGBA16U
@@ -331,6 +334,7 @@ constexpr std::array<u32, MaxPixelFormat> block_height_table = {{
     1,  // A1B5G5R5U
     1,  // R8U
     1,  // R8S
+    1,  // R8I
     1,  // R8UI
     1,  // RGBA16F
     1,  // RGBA16U
@@ -423,6 +427,7 @@ constexpr std::array<u32, MaxPixelFormat> bpp_table = {{
     16,  // A1B5G5R5U
     8,   // R8U
     8,   // R8S
+    8,   // R8I
     8,   // R8UI
     64,  // RGBA16F
     64,  // RGBA16U