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metal: initialize empty Buffer contents.

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This commit is contained in:
Alex Szpakowski
2021-04-03 13:46:56 -03:00
parent a4d0761e84
commit 4ddb7e2cf7
1 changed files with 8 additions and 0 deletions
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src/modules/graphics/metal/Buffer.mm
+8
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@@ -75,6 +75,8 @@ Buffer::Buffer(love::graphics::Graphics *gfx, id<MTLDevice> device, const Settin
{ {
if (@available(iOS 12, macOS 10.14, *)) if (@available(iOS 12, macOS 10.14, *))
{ {
// TODO: minimumTextureBufferAlignmentForPixelFormat
MTLPixelFormat pixformat = getMTLPixelFormat(getDataMember(0).decl.format); MTLPixelFormat pixformat = getMTLPixelFormat(getDataMember(0).decl.format);
size_t width = arraylength * getDataMembers().size(); size_t width = arraylength * getDataMembers().size();
auto desc = [MTLTextureDescriptor textureBufferDescriptorWithPixelFormat:pixformat auto desc = [MTLTextureDescriptor textureBufferDescriptorWithPixelFormat:pixformat
@@ -90,6 +92,12 @@ Buffer::Buffer(love::graphics::Graphics *gfx, id<MTLDevice> device, const Settin
if (data != nullptr) if (data != nullptr)
fill(0, size, data); fill(0, size, data);
else if (settings.zeroInitialize)
{
auto *mgfx = (Graphics *) gfx;
auto encoder = mgfx->useBlitEncoder();
[encoder fillBuffer:buffer range:NSMakeRange(0, size) value:0];
}
}} }}
Buffer::~Buffer() Buffer::~Buffer()