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WinRT: allowed for querying of max texture size (via Direct3D 11.1)

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David Ludwig 2013-02-24 10:30:12 -05:00
parent 0a9710e1e5
commit 8d55f67a2f
1 changed files with 28 additions and 3 deletions
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31
src/render/direct3d11/SDL_render_d3d11.cpp
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@ -89,7 +89,6 @@ HRESULT D3D11_CreateWindowSizeDependentResources(SDL_Renderer * renderer);
HRESULT D3D11_UpdateForWindowSizeChange(SDL_Renderer * renderer);
HRESULT D3D11_HandleDeviceLost(SDL_Renderer * renderer);
// WinRT, TODO: fill in the Direct3D 11.1 renderer's max texture width and height
extern "C" SDL_RenderDriver D3D11_RenderDriver = {
D3D11_CreateRenderer,
{
@ -100,8 +99,8 @@ extern "C" SDL_RenderDriver D3D11_RenderDriver = {
SDL_PIXELFORMAT_RGB888,
SDL_PIXELFORMAT_ARGB8888
},
0, // max_texture_width
0 // max_texture_height
0, // max_texture_width: will be filled in later
0 // max_texture_height: will be filled in later
}
};
@ -341,6 +340,32 @@ D3D11_CreateDeviceResources(SDL_Renderer * renderer)
return result;
}
//
// Make note of the maximum texture size
// Max texture sizes are documented on MSDN, at:
// http://msdn.microsoft.com/en-us/library/windows/apps/ff476876.aspx
//
switch (data->d3dDevice->GetFeatureLevel()) {
case D3D_FEATURE_LEVEL_11_1:
case D3D_FEATURE_LEVEL_11_0:
renderer->info.max_texture_width = renderer->info.max_texture_height = 16384;
break;
case D3D_FEATURE_LEVEL_10_1:
case D3D_FEATURE_LEVEL_10_0:
renderer->info.max_texture_width = renderer->info.max_texture_height = 8192;
break;
case D3D_FEATURE_LEVEL_9_3:
renderer->info.max_texture_width = renderer->info.max_texture_height = 4096;
break;
case D3D_FEATURE_LEVEL_9_2:
case D3D_FEATURE_LEVEL_9_1:
renderer->info.max_texture_width = renderer->info.max_texture_height = 2048;
break;
}
//
// Load in SDL's one and only vertex shader:
//