mirror of
https://github.com/doitsujin/dxvk.git
synced 2024-12-12 22:08:59 +01:00
363 lines
8.6 KiB
C++
363 lines
8.6 KiB
C++
#include <cstring>
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#include <d3d9.h>
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#include <d3dcompiler.h>
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#include "../test_utils.h"
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using namespace dxvk;
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struct Extent2D {
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uint32_t w, h;
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};
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const std::string g_vertexShaderCode = R"(
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struct VS_INPUT {
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float3 Position : POSITION;
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};
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struct VS_OUTPUT {
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float4 Position : POSITION;
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float2 Texcoord : TEXCOORD0;
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};
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VS_OUTPUT main( VS_INPUT IN ) {
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VS_OUTPUT OUT;
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OUT.Position = float4(IN.Position, 0.6f);
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OUT.Texcoord = IN.Position.xy + float2(0.5, 0.5);
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OUT.Texcoord.y = 1.0 - OUT.Texcoord.y;
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return OUT;
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}
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)";
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const std::string g_pixelShaderCode = R"(
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struct VS_OUTPUT {
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float4 Position : POSITION;
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float2 Texcoord : TEXCOORD0;
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};
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struct PS_OUTPUT {
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float4 Colour : COLOR;
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};
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sampler g_frogTex : register( s0 );
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PS_OUTPUT main( VS_OUTPUT IN ) {
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PS_OUTPUT OUT;
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OUT.Colour = float4(1, 0, 0, 1);
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return OUT;
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}
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)";
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Logger Logger::s_instance("triangle.log");
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class TriangleApp {
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public:
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TriangleApp(HINSTANCE instance, HWND window)
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: m_window(window) {
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HRESULT status = Direct3DCreate9Ex(D3D_SDK_VERSION, &m_d3d);
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if (FAILED(status))
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throw DxvkError("Failed to create D3D9 interface");
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UINT adapter = D3DADAPTER_DEFAULT;
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D3DADAPTER_IDENTIFIER9 adapterId;
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m_d3d->GetAdapterIdentifier(adapter, 0, &adapterId);
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Logger::info(str::format("Using adapter: ", adapterId.Description));
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D3DPRESENT_PARAMETERS params;
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getPresentParams(params);
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status = m_d3d->CreateDeviceEx(
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adapter,
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D3DDEVTYPE_HAL,
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m_window,
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D3DCREATE_HARDWARE_VERTEXPROCESSING,
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¶ms,
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nullptr,
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&m_device);
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if (FAILED(status))
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throw DxvkError("Failed to create D3D9 device");
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// Vertex Shader
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{
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Com<ID3DBlob> blob;
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status = D3DCompile(
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g_vertexShaderCode.data(),
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g_vertexShaderCode.length(),
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nullptr, nullptr, nullptr,
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"main",
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"vs_2_0",
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0, 0, &blob,
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nullptr);
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if (FAILED(status))
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throw DxvkError("Failed to compile vertex shader");
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status = m_device->CreateVertexShader(reinterpret_cast<const DWORD*>(blob->GetBufferPointer()), &m_vs);
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if (FAILED(status))
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throw DxvkError("Failed to create vertex shader");
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}
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// Pixel Shader
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{
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Com<ID3DBlob> blob;
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status = D3DCompile(
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g_pixelShaderCode.data(),
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g_pixelShaderCode.length(),
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nullptr, nullptr, nullptr,
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"main",
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"ps_3_0",
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0, 0, &blob,
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nullptr);
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if (FAILED(status))
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throw DxvkError("Failed to compile pixel shader");
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status = m_device->CreatePixelShader(reinterpret_cast<const DWORD*>(blob->GetBufferPointer()), &m_ps);
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if (FAILED(status))
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throw DxvkError("Failed to create pixel shader");
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}
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m_device->SetVertexShader(m_vs.ptr());
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m_device->SetPixelShader(m_ps.ptr());
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m_device->AddRef();
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std::array<float, 9> vertices = {
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0.0f, 0.5f, 0.0f,
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0.5f, -0.5f, 0.0f,
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-0.5f, -0.5f, 0.0f,
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};
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const size_t vbSize = vertices.size() * sizeof(float);
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status = m_device->CreateVertexBuffer(vbSize, 0, 0, D3DPOOL_DEFAULT, &m_vb, nullptr);
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if (FAILED(status))
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throw DxvkError("Failed to create vertex buffer");
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void* data = nullptr;
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status = m_vb->Lock(0, 0, &data, 0);
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if (FAILED(status))
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throw DxvkError("Failed to lock vertex buffer");
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std::memcpy(data, vertices.data(), vbSize);
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status = m_vb->Unlock();
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if (FAILED(status))
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throw DxvkError("Failed to unlock vertex buffer");
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m_device->SetStreamSource(0, m_vb.ptr(), 0, 3 * sizeof(float));
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std::array<D3DVERTEXELEMENT9, 2> elements;
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elements[0].Method = 0;
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elements[0].Offset = 0;
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elements[0].Stream = 0;
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elements[0].Type = D3DDECLTYPE_FLOAT3;
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elements[0].Usage = D3DDECLUSAGE_POSITION;
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elements[0].UsageIndex = 0;
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elements[1] = D3DDECL_END();
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HRESULT result = m_device->CreateVertexDeclaration(elements.data(), &m_decl);
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if (FAILED(result))
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throw DxvkError("Failed to create vertex decl");
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m_device->SetVertexDeclaration(m_decl.ptr());
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const uint32_t imageSize = 8;
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Com<IDirect3DTexture9> texDefault;
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Com<IDirect3DSurface9> texDefaultSurf;
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status = m_device->CreateTexture(imageSize, imageSize, 4, 0, D3DFMT_DXT1, D3DPOOL_DEFAULT, &texDefault, nullptr);
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status = texDefault->GetSurfaceLevel(2, &texDefaultSurf);
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Com<IDirect3DTexture9> texSysmem;
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Com<IDirect3DSurface9> texSysmemSurf;
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status = m_device->CreateTexture(imageSize, imageSize, 4, 0, D3DFMT_DXT1, D3DPOOL_SYSTEMMEM, &texSysmem, nullptr);
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status = texSysmem->GetSurfaceLevel(2, &texSysmemSurf);
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D3DLOCKED_RECT rect = {};
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status = texSysmemSurf->LockRect(&rect, nullptr, 0);
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std::memset(rect.pBits, 0xF0, 2 * rect.Pitch);
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status = texSysmemSurf->UnlockRect();
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// 1 returns invalid call
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// 2 succeeds
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RECT sourceRect = { 0, 0, 2, 2 };
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POINT destPoint = { 0, 0 };
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status = m_device->UpdateSurface(texSysmemSurf.ptr(), &sourceRect, texDefaultSurf.ptr(), &destPoint);
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}
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void run() {
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this->adjustBackBuffer();
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m_device->BeginScene();
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m_device->Clear(
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0,
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nullptr,
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D3DCLEAR_TARGET,
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D3DCOLOR_RGBA(44, 62, 80, 0),
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0,
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0);
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m_device->Clear(
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0,
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nullptr,
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D3DCLEAR_ZBUFFER,
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0,
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0.5f,
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0);
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m_device->DrawPrimitive(D3DPT_TRIANGLELIST, 0, 1);
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m_device->EndScene();
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m_device->PresentEx(
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nullptr,
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nullptr,
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nullptr,
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nullptr,
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0);
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}
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void adjustBackBuffer() {
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RECT windowRect = { 0, 0, 1024, 600 };
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GetClientRect(m_window, &windowRect);
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Extent2D newSize = {
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static_cast<uint32_t>(windowRect.right - windowRect.left),
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static_cast<uint32_t>(windowRect.bottom - windowRect.top),
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};
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if (m_windowSize.w != newSize.w
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|| m_windowSize.h != newSize.h) {
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m_windowSize = newSize;
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D3DPRESENT_PARAMETERS params;
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getPresentParams(params);
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HRESULT status = m_device->ResetEx(¶ms, nullptr);
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if (FAILED(status))
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throw DxvkError("Device reset failed");
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}
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}
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void getPresentParams(D3DPRESENT_PARAMETERS& params) {
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params.AutoDepthStencilFormat = D3DFMT_UNKNOWN;
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params.BackBufferCount = 1;
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params.BackBufferFormat = D3DFMT_X8R8G8B8;
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params.BackBufferWidth = m_windowSize.w;
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params.BackBufferHeight = m_windowSize.h;
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params.EnableAutoDepthStencil = 0;
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params.Flags = 0;
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params.FullScreen_RefreshRateInHz = 0;
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params.hDeviceWindow = m_window;
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params.MultiSampleQuality = 0;
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params.MultiSampleType = D3DMULTISAMPLE_NONE;
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params.PresentationInterval = D3DPRESENT_INTERVAL_DEFAULT;
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params.SwapEffect = D3DSWAPEFFECT_DISCARD;
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params.Windowed = TRUE;
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}
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private:
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HWND m_window;
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Extent2D m_windowSize = { 1024, 600 };
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Com<IDirect3D9Ex> m_d3d;
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Com<IDirect3DDevice9Ex> m_device;
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Com<IDirect3DVertexShader9> m_vs;
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Com<IDirect3DPixelShader9> m_ps;
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Com<IDirect3DVertexBuffer9> m_vb;
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Com<IDirect3DVertexDeclaration9> m_decl;
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};
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LRESULT CALLBACK WindowProc(HWND hWnd,
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UINT message,
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WPARAM wParam,
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LPARAM lParam);
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int WINAPI WinMain(HINSTANCE hInstance,
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HINSTANCE hPrevInstance,
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LPSTR lpCmdLine,
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int nCmdShow) {
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HWND hWnd;
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WNDCLASSEXW wc;
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ZeroMemory(&wc, sizeof(WNDCLASSEX));
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wc.cbSize = sizeof(WNDCLASSEX);
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wc.style = CS_HREDRAW | CS_VREDRAW;
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wc.lpfnWndProc = WindowProc;
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wc.hInstance = hInstance;
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wc.hCursor = LoadCursor(nullptr, IDC_ARROW);
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wc.hbrBackground = (HBRUSH)COLOR_WINDOW;
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wc.lpszClassName = L"WindowClass1";
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RegisterClassExW(&wc);
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hWnd = CreateWindowExW(0,
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L"WindowClass1",
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L"Our First Windowed Program",
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WS_OVERLAPPEDWINDOW,
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300, 300,
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640, 480,
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nullptr,
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nullptr,
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hInstance,
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nullptr);
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ShowWindow(hWnd, nCmdShow);
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MSG msg;
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try {
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TriangleApp app(hInstance, hWnd);
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while (true) {
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if (PeekMessage(&msg, nullptr, 0, 0, PM_REMOVE)) {
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TranslateMessage(&msg);
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DispatchMessage(&msg);
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if (msg.message == WM_QUIT)
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return msg.wParam;
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} else {
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app.run();
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}
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}
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} catch (const dxvk::DxvkError& e) {
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std::cerr << e.message() << std::endl;
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return msg.wParam;
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}
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}
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LRESULT CALLBACK WindowProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) {
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switch (message) {
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case WM_CLOSE:
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PostQuitMessage(0);
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return 0;
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}
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return DefWindowProc(hWnd, message, wParam, lParam);
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}
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