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GPU: Add SDL_CalculateGPUTextureFormatSize (#11146)

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---------

Co-authored-by: Sam Lantinga <slouken@libsdl.org>
This commit is contained in:
Evan Hemsley
2024-10-10 16:34:38 -07:00
committed by GitHub
parent 6d85127560
commit 6ea4a66451
7 changed files with 34 additions and 13 deletions
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13
src/gpu/SDL_gpu.c
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@@ -2796,3 +2796,16 @@ void SDL_ReleaseGPUFence(
device->driverData,
fence);
}
Uint32 SDL_CalculateGPUTextureFormatSize(
SDL_GPUTextureFormat format,
Uint32 width,
Uint32 height,
Uint32 depth_or_layer_count)
{
Uint32 blockWidth = Texture_GetBlockWidth(format);
Uint32 blockHeight = Texture_GetBlockHeight(format);
Uint32 blocksPerRow = (width + blockWidth - 1) / blockWidth;
Uint32 blocksPerColumn = (height + blockHeight - 1) / blockHeight;
return depth_or_layer_count * blocksPerRow * blocksPerColumn * SDL_GPUTextureFormatTexelBlockSize(format);
}

12
src/gpu/SDL_sysgpu.h
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@@ -362,18 +362,6 @@ static inline Uint32 BytesPerRow(
return blocksPerRow * SDL_GPUTextureFormatTexelBlockSize(format);
}
static inline Sint32 BytesPerImage(
Uint32 width,
Uint32 height,
SDL_GPUTextureFormat format)
{
Uint32 blockWidth = Texture_GetBlockWidth(format);
Uint32 blockHeight = Texture_GetBlockHeight(format);
Uint32 blocksPerRow = (width + blockWidth - 1) / blockWidth;
Uint32 blocksPerColumn = (height + blockHeight - 1) / blockHeight;
return blocksPerRow * blocksPerColumn * SDL_GPUTextureFormatTexelBlockSize(format);
}
// GraphicsDevice Limits
#define MAX_TEXTURE_SAMPLERS_PER_STAGE 16

2
src/gpu/metal/SDL_gpu_metal.m
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@@ -1752,7 +1752,7 @@ static void METAL_UploadToTexture(
copyFromBuffer:bufferContainer->activeBuffer->handle
sourceOffset:source->offset
sourceBytesPerRow:BytesPerRow(destination->w, textureContainer->header.info.format)
sourceBytesPerImage:BytesPerImage(destination->w, destination->h, textureContainer->header.info.format)
sourceBytesPerImage:SDL_CalculateGPUTextureFormatSize(textureContainer->header.info.format, destination->w, destination->h, destination->d)
sourceSize:MTLSizeMake(destination->w, destination->h, destination->d)
toTexture:metalTexture->handle
destinationSlice:destination->layer