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/******************************************************************************
* The MIT License (MIT)
*
* Copyright (c) 2015 Baldur Karlsson
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
******************************************************************************/
#include "d3d11_test.h"
struct Mip_RTV : D3D11GraphicsTest
{
static constexpr const char *Description = "Test rendering into RTV mip levels";
std::string pixel = R"EOSHADER(
cbuffer consts : register(b0)
{
float4 col;
};
float4 main() : SV_Target0
{
return col;
}
)EOSHADER";
int main(int argc, char **argv)
{
// initialise, create window, create device, etc
if(!Init(argc, argv))
return 3;
ID3DBlobPtr vsblob = Compile(D3DFullscreenQuadVertex, "main", "vs_5_0");
ID3DBlobPtr psblob = Compile(pixel, "main", "ps_5_0");
ID3D11VertexShaderPtr vs = CreateVS(vsblob);
ID3D11PixelShaderPtr ps = CreatePS(psblob);
ID3D11Texture2DPtr rt = MakeTexture(DXGI_FORMAT_R8G8B8A8_UNORM, 1024, 1024);
ID3D11RenderTargetViewPtr rtv[4] = {
MakeRTV(rt).FirstMip(0), MakeRTV(rt).FirstMip(1), MakeRTV(rt).FirstMip(2),
MakeRTV(rt).FirstMip(3),
};
Vec4f col;
ID3D11BufferPtr cb = MakeBuffer().Constant().Size(sizeof(Vec4f));
D3D11_VIEWPORT view0 = {0.0f, 0.0f, (float)1024.0f, (float)1024.0f, 0.0f, 1.0f};
D3D11_VIEWPORT view1 = {0.0f, 0.0f, (float)512.0f, (float)512.0f, 0.0f, 1.0f};
D3D11_VIEWPORT view2 = {0.0f, 0.0f, (float)256.0f, (float)256.0f, 0.0f, 1.0f};
D3D11_VIEWPORT view3 = {0.0f, 0.0f, (float)128.0f, (float)128.0f, 0.0f, 1.0f};
while(Running())
{
ClearRenderTargetView(bbRTV, {0.4f, 0.5f, 0.6f, 1.0f});
for(int i = 0; i < 4; i++)
ClearRenderTargetView(rtv[i], {0.4f, 0.5f, 0.6f, 1.0f});
ctx->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
ctx->VSSetShader(vs, NULL, 0);
ctx->PSSetShader(ps, NULL, 0);
ctx->PSSetConstantBuffers(0, 1, &cb.GetInterfacePtr());
col = Vec4f(1.0f, 0.0f, 0.0f, 1.0f);
ctx->UpdateSubresource(cb, 0, NULL, &col, sizeof(col), sizeof(col));
ctx->RSSetViewports(1, &view0);
ctx->OMSetRenderTargets(1, &rtv[0].GetInterfacePtr(), NULL);
ctx->Draw(4, 0);
col = Vec4f(0.0f, 1.0f, 0.0f, 1.0f);
ctx->UpdateSubresource(cb, 0, NULL, &col, sizeof(col), sizeof(col));
ctx->RSSetViewports(1, &view1);
ctx->OMSetRenderTargets(1, &rtv[1].GetInterfacePtr(), NULL);
ctx->Draw(4, 0);
col = Vec4f(0.0f, 0.0f, 1.0f, 1.0f);
ctx->UpdateSubresource(cb, 0, NULL, &col, sizeof(col), sizeof(col));
ctx->RSSetViewports(1, &view2);
ctx->OMSetRenderTargets(1, &rtv[2].GetInterfacePtr(), NULL);
ctx->Draw(4, 0);
col = Vec4f(1.0f, 0.0f, 1.0f, 1.0f);
ctx->UpdateSubresource(cb, 0, NULL, &col, sizeof(col), sizeof(col));
ctx->RSSetViewports(1, &view3);
ctx->OMSetRenderTargets(1, &rtv[3].GetInterfacePtr(), NULL);
ctx->Draw(4, 0);
Present();
}
return 0;
}
};
REGISTER_TEST(Mip_RTV);
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