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Support 16-bit packed texture formats with the Direct3D 12 renderer

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This commit is contained in:
Cameron Cawley
2026-01-18 12:43:18 +00:00
committed by Sam Lantinga
parent 285147c627
commit 01d8e37a16
1 changed files with 64 additions and 68 deletions
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132
src/render/direct3d12/SDL_render_d3d12.c
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@@ -302,49 +302,35 @@ static UINT D3D12_Align(UINT location, UINT alignment)
return (location + (alignment - 1)) & ~(alignment - 1);
}
static const struct {
Uint32 sdl;
DXGI_FORMAT unorm;
DXGI_FORMAT srgb;
} dxgi_format_map[] = {
{ SDL_PIXELFORMAT_ARGB8888, DXGI_FORMAT_B8G8R8A8_UNORM, DXGI_FORMAT_B8G8R8A8_UNORM_SRGB },
{ SDL_PIXELFORMAT_ABGR8888, DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_FORMAT_R8G8B8A8_UNORM_SRGB },
{ SDL_PIXELFORMAT_XRGB8888, DXGI_FORMAT_B8G8R8X8_UNORM, DXGI_FORMAT_B8G8R8X8_UNORM_SRGB },
{ SDL_PIXELFORMAT_ABGR2101010, DXGI_FORMAT_R10G10B10A2_UNORM, DXGI_FORMAT_R10G10B10A2_UNORM },
{ SDL_PIXELFORMAT_RGBA64_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT, DXGI_FORMAT_R16G16B16A16_FLOAT },
{ SDL_PIXELFORMAT_RGB565, DXGI_FORMAT_B5G6R5_UNORM, DXGI_FORMAT_B5G6R5_UNORM },
{ SDL_PIXELFORMAT_ARGB1555, DXGI_FORMAT_B5G5R5A1_UNORM, DXGI_FORMAT_B5G5R5A1_UNORM },
{ SDL_PIXELFORMAT_ARGB4444, DXGI_FORMAT_B4G4R4A4_UNORM, DXGI_FORMAT_B4G4R4A4_UNORM }
};
static SDL_PixelFormat D3D12_DXGIFormatToSDLPixelFormat(DXGI_FORMAT dxgiFormat)
{
switch (dxgiFormat) {
case DXGI_FORMAT_B8G8R8A8_UNORM:
case DXGI_FORMAT_B8G8R8A8_UNORM_SRGB:
return SDL_PIXELFORMAT_ARGB8888;
case DXGI_FORMAT_R8G8B8A8_UNORM:
case DXGI_FORMAT_R8G8B8A8_UNORM_SRGB:
return SDL_PIXELFORMAT_ABGR8888;
case DXGI_FORMAT_B8G8R8X8_UNORM:
case DXGI_FORMAT_B8G8R8X8_UNORM_SRGB:
return SDL_PIXELFORMAT_XRGB8888;
case DXGI_FORMAT_R10G10B10A2_UNORM:
return SDL_PIXELFORMAT_ABGR2101010;
case DXGI_FORMAT_R16G16B16A16_FLOAT:
return SDL_PIXELFORMAT_RGBA64_FLOAT;
default:
return SDL_PIXELFORMAT_UNKNOWN;
for (int i = 0; i < SDL_arraysize(dxgi_format_map); i++) {
if (dxgi_format_map[i].unorm == dxgiFormat ||
dxgi_format_map[i].srgb == dxgiFormat) {
return dxgi_format_map[i].sdl;
}
}
return SDL_PIXELFORMAT_UNKNOWN;
}
static DXGI_FORMAT SDLPixelFormatToDXGITextureFormat(Uint32 format, Uint32 output_colorspace)
{
switch (format) {
case SDL_PIXELFORMAT_RGBA64_FLOAT:
return DXGI_FORMAT_R16G16B16A16_FLOAT;
case SDL_PIXELFORMAT_ABGR2101010:
return DXGI_FORMAT_R10G10B10A2_UNORM;
case SDL_PIXELFORMAT_ARGB8888:
if (output_colorspace == SDL_COLORSPACE_SRGB_LINEAR) {
return DXGI_FORMAT_B8G8R8A8_UNORM_SRGB;
}
return DXGI_FORMAT_B8G8R8A8_UNORM;
case SDL_PIXELFORMAT_ABGR8888:
if (output_colorspace == SDL_COLORSPACE_SRGB_LINEAR) {
return DXGI_FORMAT_R8G8B8A8_UNORM_SRGB;
}
return DXGI_FORMAT_R8G8B8A8_UNORM;
case SDL_PIXELFORMAT_XRGB8888:
if (output_colorspace == SDL_COLORSPACE_SRGB_LINEAR) {
return DXGI_FORMAT_B8G8R8X8_UNORM_SRGB;
}
return DXGI_FORMAT_B8G8R8X8_UNORM;
case SDL_PIXELFORMAT_INDEX8:
case SDL_PIXELFORMAT_YV12:
case SDL_PIXELFORMAT_IYUV:
@@ -355,6 +341,15 @@ static DXGI_FORMAT SDLPixelFormatToDXGITextureFormat(Uint32 format, Uint32 outpu
case SDL_PIXELFORMAT_P010:
return DXGI_FORMAT_P010;
default:
for (int i = 0; i < SDL_arraysize(dxgi_format_map); i++) {
if (dxgi_format_map[i].sdl == format) {
if (output_colorspace == SDL_COLORSPACE_SRGB_LINEAR) {
return dxgi_format_map[i].srgb;
} else {
return dxgi_format_map[i].unorm;
}
}
}
return DXGI_FORMAT_UNKNOWN;
}
}
@@ -362,25 +357,6 @@ static DXGI_FORMAT SDLPixelFormatToDXGITextureFormat(Uint32 format, Uint32 outpu
static DXGI_FORMAT SDLPixelFormatToDXGIMainResourceViewFormat(Uint32 format, Uint32 colorspace)
{
switch (format) {
case SDL_PIXELFORMAT_RGBA64_FLOAT:
return DXGI_FORMAT_R16G16B16A16_FLOAT;
case SDL_PIXELFORMAT_ABGR2101010:
return DXGI_FORMAT_R10G10B10A2_UNORM;
case SDL_PIXELFORMAT_ARGB8888:
if (colorspace == SDL_COLORSPACE_SRGB_LINEAR) {
return DXGI_FORMAT_B8G8R8A8_UNORM_SRGB;
}
return DXGI_FORMAT_B8G8R8A8_UNORM;
case SDL_PIXELFORMAT_ABGR8888:
if (colorspace == SDL_COLORSPACE_SRGB_LINEAR) {
return DXGI_FORMAT_R8G8B8A8_UNORM_SRGB;
}
return DXGI_FORMAT_R8G8B8A8_UNORM;
case SDL_PIXELFORMAT_XRGB8888:
if (colorspace == SDL_COLORSPACE_SRGB_LINEAR) {
return DXGI_FORMAT_B8G8R8X8_UNORM_SRGB;
}
return DXGI_FORMAT_B8G8R8X8_UNORM;
case SDL_PIXELFORMAT_INDEX8:
case SDL_PIXELFORMAT_YV12:
case SDL_PIXELFORMAT_IYUV:
@@ -390,7 +366,7 @@ static DXGI_FORMAT SDLPixelFormatToDXGIMainResourceViewFormat(Uint32 format, Uin
case SDL_PIXELFORMAT_P010: // For the Y texture
return DXGI_FORMAT_R16_UNORM;
default:
return DXGI_FORMAT_UNKNOWN;
return SDLPixelFormatToDXGITextureFormat(format, colorspace);
}
}
@@ -2230,7 +2206,7 @@ static bool D3D12_LockTexture(SDL_Renderer *renderer, SDL_Texture *texture,
if (pitchedDesc.Format == DXGI_FORMAT_R8_UNORM) {
bpp = 1;
} else {
bpp = 4;
bpp = SDL_BYTESPERPIXEL(texture->format);
}
pitchedDesc.RowPitch = D3D12_Align(rect->w * bpp, D3D12_TEXTURE_DATA_PITCH_ALIGNMENT);
@@ -2288,7 +2264,7 @@ static void D3D12_UnlockTexture(SDL_Renderer *renderer, SDL_Texture *texture)
if (pitchedDesc.Format == DXGI_FORMAT_R8_UNORM) {
bpp = 1;
} else {
bpp = 4;
bpp = SDL_BYTESPERPIXEL(texture->format);
}
pitchedDesc.RowPitch = D3D12_Align(textureData->lockedRect.w * bpp, D3D12_TEXTURE_DATA_PITCH_ALIGNMENT);
@@ -3532,17 +3508,6 @@ bool D3D12_CreateRenderer(SDL_Renderer *renderer, SDL_Window *window, SDL_Proper
D3D12_InvalidateCachedState(renderer);
renderer->name = D3D12_RenderDriver.name;
SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_ARGB8888);
SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_ABGR8888);
SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_XRGB8888);
SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_ABGR2101010);
SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_RGBA64_FLOAT);
SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_INDEX8);
SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_YV12);
SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_IYUV);
SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_NV12);
SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_NV21);
SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_P010);
SDL_SetNumberProperty(SDL_GetRendererProperties(renderer), SDL_PROP_RENDERER_MAX_TEXTURE_SIZE_NUMBER, 16384);
data->syncInterval = 0;
@@ -3561,6 +3526,37 @@ bool D3D12_CreateRenderer(SDL_Renderer *renderer, SDL_Window *window, SDL_Proper
return false;
}
for (int i = 0; i < SDL_arraysize(dxgi_format_map); i++) {
D3D12_FEATURE_DATA_FORMAT_SUPPORT unorm, srgb;
unorm.Format = dxgi_format_map[i].unorm;
if (FAILED(ID3D12Device_CheckFeatureSupport(data->d3dDevice,
D3D12_FEATURE_FORMAT_SUPPORT,
&unorm,
sizeof(unorm)))) {
continue;
}
srgb.Format = dxgi_format_map[i].srgb;
if (FAILED(ID3D12Device_CheckFeatureSupport(data->d3dDevice,
D3D12_FEATURE_FORMAT_SUPPORT,
&srgb,
sizeof(srgb)))) {
continue;
}
if ((unorm.Support1 & D3D12_FORMAT_SUPPORT1_TEXTURE2D) &&
(srgb.Support1 & D3D12_FORMAT_SUPPORT1_TEXTURE2D)) {
SDL_AddSupportedTextureFormat(renderer, dxgi_format_map[i].sdl);
}
}
SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_INDEX8);
SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_YV12);
SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_IYUV);
SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_NV12);
SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_NV21);
SDL_AddSupportedTextureFormat(renderer, SDL_PIXELFORMAT_P010);
return true;
}