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Initial support for integer format textures.

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They can't be rendered to and ImageData can't use the formats, for now.
This commit is contained in:
Alex Szpakowski
2021-08-12 16:38:54 -03:00
parent 4caeb27047
commit 48b3a4e860
11 changed files with 502 additions and 252 deletions
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src/modules/graphics/opengl/Graphics.cpp
+2 -1
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@@ -341,6 +341,7 @@ bool Graphics::setMode(int width, int height, int pixelwidth, int pixelheight, b
batchedDrawState.indexBuffer = CreateStreamBuffer(BUFFERUSAGE_INDEX, sizeof(uint16) * LOVE_UINT16_MAX);
}
// TODO: one buffer each for float, int, uint
if (capabilities.features[FEATURE_TEXEL_BUFFER] && defaultBuffers[BUFFERUSAGE_TEXEL].get() == nullptr)
{
Buffer::Settings settings(BUFFERUSAGEFLAG_TEXEL, BUFFERDATAUSAGE_STATIC);
@@ -1723,7 +1724,7 @@ bool Graphics::isPixelFormatSupported(PixelFormat format, bool rendertarget, boo
// Make sure at least something is bound to a color attachment. I believe
// this is required on ES2 but I'm not positive.
if (isPixelFormatDepthStencil(format))
gl.framebufferTexture(GL_COLOR_ATTACHMENT0, TEXTURE_2D, gl.getDefaultTexture(TEXTURE_2D), 0, 0, 0);
gl.framebufferTexture(GL_COLOR_ATTACHMENT0, TEXTURE_2D, gl.getDefaultTexture(TEXTURE_2D, DATA_BASETYPE_FLOAT), 0, 0, 0);
if (readable)
{