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PixelShaderGen: Move constant multiplication to constant generation.

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No need to do this within the shader per pixel if it can be done once.
This commit is contained in:
degasus
2016-04-09 02:36:19 +02:00
parent 94098a50c2
commit 10e4f7e7bf
2 changed files with 11 additions and 8 deletions
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13
Source/Core/VideoCommon/PixelShaderManager.cpp
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@ -137,13 +137,16 @@ void PixelShaderManager::SetDestAlpha()
void PixelShaderManager::SetTexDims(int texmapid, u32 width, u32 height)
{
float rwidth = 1.0f / (width * 128.0f);
float rheight = 1.0f / (height * 128.0f);
// TODO: move this check out to callee. There we could just call this function on texture changes
// or better, use textureSize() in glsl
if (constants.texdims[texmapid][0] != 1.0f/width || constants.texdims[texmapid][1] != 1.0f/height)
if (constants.texdims[texmapid][0] != rwidth || constants.texdims[texmapid][1] != rheight)
dirty = true;
constants.texdims[texmapid][0] = 1.0f/width;
constants.texdims[texmapid][1] = 1.0f/height;
constants.texdims[texmapid][0] = rwidth;
constants.texdims[texmapid][1] = rheight;
}
void PixelShaderManager::SetZTextureBias()
@ -238,8 +241,8 @@ void PixelShaderManager::SetZTextureTypeChanged()
void PixelShaderManager::SetTexCoordChanged(u8 texmapid)
{
TCoordInfo& tc = bpmem.texcoords[texmapid];
constants.texdims[texmapid][2] = (float)(tc.s.scale_minus_1 + 1);
constants.texdims[texmapid][3] = (float)(tc.t.scale_minus_1 + 1);
constants.texdims[texmapid][2] = (float)(tc.s.scale_minus_1 + 1) * 128.0f;
constants.texdims[texmapid][3] = (float)(tc.t.scale_minus_1 + 1) * 128.0f;
dirty = true;
}