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WinRT: D3D 11.1 blending mode support added; FillRects coloring bug-fix

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This commit is contained in:
David Ludwig 2013-02-16 16:53:06 -05:00
parent a6c8d32843
commit bafdb176fa
2 changed files with 90 additions and 5 deletions
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92
src/render/direct3d11/SDL_render_d3d11.cpp
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@ -240,6 +240,37 @@ D3D11_LoadPixelShader(SDL_Renderer * renderer,
return S_OK;
}
static HRESULT
D3D11_CreateBlendMode(SDL_Renderer * renderer,
BOOL enableBlending,
D3D11_BLEND srcBlend,
D3D11_BLEND destBlend,
ID3D11BlendState ** blendStateOutput)
{
D3D11_RenderData *data = (D3D11_RenderData *) renderer->driverdata;
HRESULT result = S_OK;
D3D11_BLEND_DESC blendDesc;
memset(&blendDesc, 0, sizeof(blendDesc));
blendDesc.AlphaToCoverageEnable = FALSE;
blendDesc.IndependentBlendEnable = FALSE;
blendDesc.RenderTarget[0].BlendEnable = enableBlending;
blendDesc.RenderTarget[0].SrcBlend = srcBlend;
blendDesc.RenderTarget[0].DestBlend = destBlend;
blendDesc.RenderTarget[0].BlendOp = D3D11_BLEND_OP_ADD;
blendDesc.RenderTarget[0].SrcBlendAlpha = D3D11_BLEND_ONE;
blendDesc.RenderTarget[0].DestBlendAlpha = D3D11_BLEND_ZERO;
blendDesc.RenderTarget[0].BlendOpAlpha = D3D11_BLEND_OP_ADD;
blendDesc.RenderTarget[0].RenderTargetWriteMask = D3D11_COLOR_WRITE_ENABLE_ALL;
result = data->d3dDevice->CreateBlendState(&blendDesc, blendStateOutput);
if (FAILED(result)) {
WIN_SetErrorFromHRESULT(__FUNCTION__, result);
return result;
}
return S_OK;
}
// Create resources that depend on the device.
HRESULT
D3D11_CreateDeviceResources(SDL_Renderer * renderer)
@ -428,6 +459,42 @@ D3D11_CreateDeviceResources(SDL_Renderer * renderer)
return result;
}
//
// Create blending states:
//
result = D3D11_CreateBlendMode(
renderer,
TRUE,
D3D11_BLEND_SRC_ALPHA,
D3D11_BLEND_INV_SRC_ALPHA,
&data->blendModeBlend);
if (FAILED(result)) {
// D3D11_CreateBlendMode will set the SDL error, if it fails
return result;
}
result = D3D11_CreateBlendMode(
renderer,
TRUE,
D3D11_BLEND_SRC_ALPHA,
D3D11_BLEND_ONE,
&data->blendModeAdd);
if (FAILED(result)) {
// D3D11_CreateBlendMode will set the SDL error, if it fails
return result;
}
result = D3D11_CreateBlendMode(
renderer,
TRUE,
D3D11_BLEND_ZERO,
D3D11_BLEND_SRC_COLOR,
&data->blendModeMod);
if (FAILED(result)) {
// D3D11_CreateBlendMode will set the SDL error, if it fails
return result;
}
//
// All done!
//
@ -960,6 +1027,21 @@ D3D11_RenderStartDrawOp(SDL_Renderer * renderer)
0,
0
);
switch (renderer->blendMode) {
case SDL_BLENDMODE_BLEND:
rendererData->d3dContext->OMSetBlendState(rendererData->blendModeBlend.Get(), 0, 0xFFFFFFFF);
break;
case SDL_BLENDMODE_ADD:
rendererData->d3dContext->OMSetBlendState(rendererData->blendModeAdd.Get(), 0, 0xFFFFFFFF);
break;
case SDL_BLENDMODE_MOD:
rendererData->d3dContext->OMSetBlendState(rendererData->blendModeMod.Get(), 0, 0xFFFFFFFF);
break;
case SDL_BLENDMODE_NONE:
rendererData->d3dContext->OMSetBlendState(NULL, 0, 0xFFFFFFFF);
break;
}
}
static void
@ -994,12 +1076,12 @@ D3D11_RenderFillRects(SDL_Renderer * renderer,
D3D11_RenderData *rendererData = (D3D11_RenderData *) renderer->driverdata;
float r, g, b, a;
r = (float)(renderer->r / 255);
g = (float)(renderer->g / 255);
b = (float)(renderer->b / 255);
a = (float)(renderer->a / 255);
r = (float)(renderer->r / 255.0f);
g = (float)(renderer->g / 255.0f);
b = (float)(renderer->b / 255.0f);
a = (float)(renderer->a / 255.0f);
D3D11_RenderStartDrawOp(renderer);
D3D11_RenderStartDrawOp(renderer);
for (int i = 0; i < count; ++i) {
VertexPositionColor vertices[] = {