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WinRT: removed code that unnecessarily set a blank D3D 11.1 texture's contents

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This commit is contained in:
David Ludwig 2013-03-31 11:44:50 -04:00
parent da65f35eaf
commit 2e29d030b9
1 changed files with 13 additions and 13 deletions
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26
src/render/direct3d11/SDL_render_d3d11.cpp
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@ -836,8 +836,6 @@ D3D11_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
texture->driverdata = textureData;
const int pixelSizeInBytes = textureData->pixelFormat->BytesPerPixel;
D3D11_TEXTURE2D_DESC textureDesc = {0};
textureDesc.Width = texture->w;
textureDesc.Height = texture->h;
@ -851,24 +849,26 @@ D3D11_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture)
textureDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
textureDesc.MiscFlags = 0;
const int numPixels = textureDesc.Width * textureDesc.Height;
std::vector<uint8> initialTexturePixels(numPixels * pixelSizeInBytes, 0x00);
#if 0
// Fill the texture with a non-black color, for debugging purposes:
//for (int i = 0; i < (numPixels * pixelSizeInBytes); i += pixelSizeInBytes) {
// initialTexturePixels[i+0] = 0xff;
// initialTexturePixels[i+1] = 0xff;
// initialTexturePixels[i+2] = 0x00;
// initialTexturePixels[i+3] = 0xff;
//}
const int numPixels = textureDesc.Width * textureDesc.Height;
const int pixelSizeInBytes = textureData->pixelFormat->BytesPerPixel;
std::vector<uint8> initialTexturePixels(numPixels * pixelSizeInBytes, 0x00);
for (int i = 0; i < (numPixels * pixelSizeInBytes); i += pixelSizeInBytes) {
initialTexturePixels[i+0] = 0xff;
initialTexturePixels[i+1] = 0xff;
initialTexturePixels[i+2] = 0x00;
initialTexturePixels[i+3] = 0xff;
}
D3D11_SUBRESOURCE_DATA initialTextureData = {0};
initialTextureData.pSysMem = (void *)&(initialTexturePixels[0]);
initialTextureData.SysMemPitch = textureDesc.Width * pixelSizeInBytes;
initialTextureData.SysMemSlicePitch = numPixels * pixelSizeInBytes;
#endif
result = rendererData->d3dDevice->CreateTexture2D(
&textureDesc,
&initialTextureData,
NULL, // &initialTextureData,
&textureData->mainTexture
);
if (FAILED(result)) {