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metal: implement copyBufferToTexture and copyTextureToBuffer.

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This commit is contained in:
Alex Szpakowski
2022-01-01 15:48:43 -04:00
parent 40aa50662a
commit e2c397355c
1 changed files with 56 additions and 6 deletions
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src/modules/graphics/metal/Texture.mm
+56 -6
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@@ -259,14 +259,64 @@ void Texture::readbackImageData(love::image::ImageData *imagedata, int slice, in
}}
void Texture::copyFromBuffer(love::graphics::Buffer *source, size_t sourceoffset, int sourcewidth, size_t size, int slice, int mipmap, const Rect &rect)
{
// TODO
}
{ @autoreleasepool {
id<MTLBlitCommandEncoder> encoder = Graphics::getInstance()->useBlitEncoder();
id<MTLBuffer> buffer = (__bridge id<MTLBuffer>)(void *) source->getHandle();
size_t rowSize = 0;
if (isCompressed())
rowSize = getPixelFormatCompressedBlockRowSize(format, sourcewidth);
else
rowSize = getPixelFormatUncompressedRowSize(format, sourcewidth);
int z = texType == TEXTURE_VOLUME ? slice : 0;
MTLBlitOption options = MTLBlitOptionNone;
if (isPixelFormatDepthStencil(format))
options = MTLBlitOptionDepthFromDepthStencil;
[encoder copyFromBuffer:buffer
sourceOffset:sourceoffset
sourceBytesPerRow:rowSize
sourceBytesPerImage:size
sourceSize:MTLSizeMake(rect.w, rect.h, 1)
toTexture:texture
destinationSlice:texType == TEXTURE_VOLUME ? 0 : slice
destinationLevel:mipmap
destinationOrigin:MTLOriginMake(rect.x, rect.y, z)
options:options];
}}
void Texture::copyToBuffer(love::graphics::Buffer *dest, int slice, int mipmap, const Rect &rect, size_t destoffset, int destwidth, size_t size)
{
// TODO
}
{ @autoreleasepool {
id<MTLBlitCommandEncoder> encoder = Graphics::getInstance()->useBlitEncoder();
id<MTLBuffer> buffer = (__bridge id<MTLBuffer>)(void *) dest->getHandle();
size_t rowSize = 0;
if (isCompressed())
rowSize = getPixelFormatCompressedBlockRowSize(format, destwidth);
else
rowSize = getPixelFormatUncompressedRowSize(format, destwidth);
int z = texType == TEXTURE_VOLUME ? slice : 0;
MTLBlitOption options = MTLBlitOptionNone;
if (isPixelFormatDepthStencil(format))
options = MTLBlitOptionDepthFromDepthStencil;
[encoder copyFromTexture:texture
sourceSlice:texType == TEXTURE_VOLUME ? 0 : slice
sourceLevel:mipmap
sourceOrigin:MTLOriginMake(rect.x, rect.y, z)
sourceSize:MTLSizeMake(rect.w, rect.h, 1)
toBuffer:buffer
destinationOffset:destoffset
destinationBytesPerRow:rowSize
destinationBytesPerImage:size
options:options];
}}
void Texture::setSamplerState(const SamplerState &s)
{ @autoreleasepool {