create window, added directx rendering, assets folder: shader, load files, include math, log and string header
git-svn-id: svn://ammerhai.com/home/mike/pokemon_repo@2 24008968-59e6-ed4c-a10b-0b2c954b24ab
This commit is contained in:
mikeb
+371
-1
@@ -1,3 +1,373 @@
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int main() {
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#define NOMINMAX
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#pragma comment(lib, "d3dcompiler.lib")
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#pragma comment(lib, "d3d11.lib")
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#pragma comment(lib, "dxguid.lib")
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#include <d3d11.h>
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#include <D3DCompiler.h>
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#include <Windows.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <math.h>
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#include "create_window.h"
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#include "log.h"
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#include "m_string.h"
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#include "math_graphics.h"
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#include "load_tga_file.h"
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typedef uint8_t uint8;
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typedef uint16_t uint16;
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typedef uint32_t uint32;
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typedef uint64_t uint64;
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typedef int8_t int8;
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typedef int16_t int16;
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typedef int32_t int32;
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typedef int64_t int64;
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IDXGISwapChain* swap_chain;
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ID3D11Device* device;
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ID3D11DeviceContext* devicecontext;
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ID3D11DepthStencilState* depth_stencil_state;
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ID3D11RenderTargetView* render_target_view;
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ID3D11InputLayout* input_layout;
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ID3D11Buffer* vertex_buffer;
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ID3D11Buffer* index_buffer;
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ID3D11Buffer* instance_buffer;
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ID3DBlob* vertex_shader_code;
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ID3D11VertexShader* vertex_shader;
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ID3DBlob* pixel_shader_code;
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ID3D11PixelShader* pixel_shader;
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bool Running = true;
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BMP_Texture tex1 = load_tga_file("../assets/strawberry.tga");
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struct Vertex {
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V4 pos;
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};
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Vertex vertices[] = {
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{{ -1, 1, 1, 1 } },
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{{ 1, -1, 1, 1 } },
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{{ -1, -1, 1, 1 } },
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{{ 1, 1, 1, 1 } },
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};
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uint16 indices[] = {
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0, 1, 2,
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0, 3, 1,
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};
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struct Instance {
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V4 pos_size;
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V4 left_color;
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V4 right_color;
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};
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Instance instances[1] = {
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{{0.1, 0.1, 0.2, 0.2}, {0, 1, 1, 1}, {1, 0, 1, 1}},
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};
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bool LoadShaders() {
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ID3DBlob* error_msgs = 0;
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HRESULT error_code = 0;
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if (error_code = D3DCompileFromFile(L"../Assets/Shader/basic_vertex_shader.hlsl", 0, 0, "main", "vs_5_0", D3DCOMPILE_DEBUG | D3DCOMPILE_WARNINGS_ARE_ERRORS | D3DCOMPILE_OPTIMIZATION_LEVEL0 | D3DCOMPILE_SKIP_OPTIMIZATION, 0, &vertex_shader_code, &error_msgs)) {
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log("CompileFromFile has failed");
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if (error_msgs)
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log_error("%.*s", error_msgs->GetBufferSize(), error_msgs->GetBufferPointer());
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return false;
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}
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if (device->CreateVertexShader(vertex_shader_code->GetBufferPointer(), vertex_shader_code->GetBufferSize(), 0, &vertex_shader)) {
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log_error("CreateVertexShader has failed");
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return false;
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}
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if (error_code = D3DCompileFromFile(L"../Assets/Shader/basic_pixel_shader.hlsl", 0, 0, "main", "ps_5_0", D3DCOMPILE_DEBUG | D3DCOMPILE_WARNINGS_ARE_ERRORS | D3DCOMPILE_OPTIMIZATION_LEVEL0, 0, &pixel_shader_code, &error_msgs)) {
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log("CompileFromFile has failed");
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if (error_msgs)
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log_error("%.*s", error_msgs->GetBufferSize(), error_msgs->GetBufferPointer());
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return false;
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}
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if (device->CreatePixelShader(pixel_shader_code->GetBufferPointer(), pixel_shader_code->GetBufferSize(), 0, &pixel_shader)) {
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log_error("CreatePixelShader has failed");
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return false;
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}
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return true;
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}
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LRESULT WindowMsgs(HWND Window, UINT Message, WPARAM wParam, LPARAM lParam) {
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LRESULT Result = 0;
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switch (Message) {
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case WM_SIZE: {
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if(swap_chain)
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swap_chain->ResizeBuffers(0, 0, 0, DXGI_FORMAT_UNKNOWN, 0);
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printf("size\n");
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} break;
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case WM_DESTROY: {
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PostQuitMessage(0);
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printf("destroy\n");
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} break;
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case WM_CLOSE: {
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Running = false;
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printf("close\n");
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} break;
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case WM_ACTIVATEAPP: {
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printf("app\n");
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} break;
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case WM_KEYDOWN: {
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if (!(lParam & (1 << 30))) {
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//key_down[wParam] = true;
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}
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if (wParam == VK_F5) {
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//LoadShaders();
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}
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} break;
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case WM_KEYUP: {
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//key_down[wParam] = false;
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} break;
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default: {
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Result = DefWindowProc(Window, Message, wParam, lParam);
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} break;
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}
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return Result;
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}
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void DX11SetDebugName(ID3D11DeviceChild* child, String name) {
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#ifdef _DEBUG
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if (child && name.data)
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child->SetPrivateData(WKPDID_D3DDebugObjectName, name.length, name.data);
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#endif
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}
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ID3D11Buffer* CreateBuffer(String name, uint32 num_bytes, void* data = 0, uint32 BindFlags = D3D11_BIND_CONSTANT_BUFFER, D3D11_USAGE Usage = D3D11_USAGE_DEFAULT, uint32 CPUAccessFlags = 0, uint32 MiscFlags = 0, uint32 StructureByteStride = 0, uint32 SysMemPitch = 0, uint32 SysMemSlicePitch = 0) {
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D3D11_BUFFER_DESC buffer_desc = {
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.ByteWidth = num_bytes,
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.Usage = Usage,
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.BindFlags = BindFlags,
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.CPUAccessFlags = CPUAccessFlags,
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.MiscFlags = MiscFlags,
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.StructureByteStride = StructureByteStride,
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};
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D3D11_SUBRESOURCE_DATA subresource_data = {
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.pSysMem = data,
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.SysMemPitch = SysMemPitch,
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.SysMemSlicePitch = SysMemSlicePitch,
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};
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ID3D11Buffer* buffer;
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if (device->CreateBuffer(&buffer_desc, &subresource_data, &buffer)) {
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return 0;
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}
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DX11SetDebugName(buffer, name);
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return buffer;
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}
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bool init_directx11(HWND Window) {
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D3D_FEATURE_LEVEL feature_levels[] = { D3D_FEATURE_LEVEL_11_0 };
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DXGI_RATIONAL refresh_rate = {
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.Numerator = 60,
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.Denominator = 1,
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};
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DXGI_MODE_DESC buffer_desc = {
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.Width = 0,
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.Height = 0,
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.RefreshRate = refresh_rate,
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.Format = DXGI_FORMAT_R8G8B8A8_UNORM,
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.ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED,
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.Scaling = DXGI_MODE_SCALING_UNSPECIFIED,
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};
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DXGI_SAMPLE_DESC sample_desc = {
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.Count = 1,
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.Quality = 0,
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};
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DXGI_SWAP_CHAIN_DESC swap_chain_desc = {
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.BufferDesc = buffer_desc,
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.SampleDesc = sample_desc,
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.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT,
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.BufferCount = 2,
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.OutputWindow = Window,
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.Windowed = TRUE,
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.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD,
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.Flags = 0,
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};
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if (D3D11CreateDeviceAndSwapChain(0, D3D_DRIVER_TYPE_HARDWARE, 0, D3D11_CREATE_DEVICE_DEBUG, feature_levels, 1, D3D11_SDK_VERSION, &swap_chain_desc, &swap_chain, &device, 0, &devicecontext)) {
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log_error("D3D11CreateDeviceAndSwapChain has failed.");
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return 1;
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}
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ID3D11Texture2D* present_buffer;
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if (swap_chain->GetBuffer(0, IID_PPV_ARGS(&present_buffer))) {
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log_error("PresentBuffer getting failed");
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return 1;
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}
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if (device->CreateRenderTargetView(present_buffer, 0, &render_target_view)) {
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log_error("CreateRenderTargetView has failed");
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return 1;
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}
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present_buffer->Release();
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D3D11_DEPTH_STENCIL_DESC depth_stencil_desc = {
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.DepthEnable = FALSE,
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.DepthWriteMask = D3D11_DEPTH_WRITE_MASK_ALL,
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.DepthFunc = D3D11_COMPARISON_LESS,
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.StencilEnable = FALSE,
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.StencilReadMask = D3D11_DEFAULT_STENCIL_READ_MASK,
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.StencilWriteMask = D3D11_DEFAULT_STENCIL_WRITE_MASK,
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.FrontFace = {
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.StencilFunc = D3D11_COMPARISON_ALWAYS,
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.StencilDepthFailOp = D3D11_STENCIL_OP_KEEP,
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.StencilFailOp = D3D11_STENCIL_OP_KEEP,
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.StencilPassOp = D3D11_STENCIL_OP_KEEP,
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},
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.BackFace = {
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.StencilFunc = D3D11_COMPARISON_ALWAYS,
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.StencilDepthFailOp = D3D11_STENCIL_OP_KEEP,
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.StencilFailOp = D3D11_STENCIL_OP_KEEP,
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.StencilPassOp = D3D11_STENCIL_OP_KEEP,
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},
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};
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if (device->CreateDepthStencilState(&depth_stencil_desc, &depth_stencil_state)) {
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log_error("CreateDepthStencilState has failed.");
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return 1;
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}
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if (!LoadShaders()) {
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log_error("LoadShaders has failed");
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return 1;
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}
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//device->CreateVertexShader()
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D3D11_INPUT_ELEMENT_DESC input_element_desc[] = {
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{ "VERTEX_POSITION", 0, DXGI_FORMAT_R32G32B32A32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0 },
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{ "INSTANCE_POSITION_SIZE", 0, DXGI_FORMAT_R32G32B32A32_FLOAT, 1, 0, D3D11_INPUT_PER_INSTANCE_DATA, 1 },
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{ "LEFT_COLOR", 0, DXGI_FORMAT_R32G32B32A32_FLOAT, 1, 16, D3D11_INPUT_PER_INSTANCE_DATA, 1 },
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{ "RIGHT_COLOR", 0, DXGI_FORMAT_R32G32B32A32_FLOAT, 1, 32, D3D11_INPUT_PER_INSTANCE_DATA, 1 },
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};
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if (device->CreateInputLayout(input_element_desc, sizeof(input_element_desc) / sizeof(*input_element_desc), vertex_shader_code->GetBufferPointer(), vertex_shader_code->GetBufferSize(), &input_layout)) {
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log_error("CreateInputLayout has failed");
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return 1;
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}
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RECT rect;
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if (!GetClientRect(Window, &rect)) {
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log_error("GetClientRect has failed.");
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return 1;
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}
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D3D11_VIEWPORT viewport = {
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.TopLeftX = 0,
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.TopLeftY = 0,
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.Width = (float)(rect.right),
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.Height = (float)(rect.bottom),
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.MinDepth = 0,
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.MaxDepth = 1,
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};
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devicecontext->RSSetViewports(1, &viewport);
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vertex_buffer = CreateBuffer("vertex_buffer", sizeof(vertices), vertices, D3D11_BIND_VERTEX_BUFFER);
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index_buffer = CreateBuffer("index_buffer", sizeof(indices), indices, D3D11_BIND_INDEX_BUFFER);
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instance_buffer = CreateBuffer("instance_buffer", sizeof(instances), instances, D3D11_BIND_VERTEX_BUFFER, D3D11_USAGE_DYNAMIC, D3D11_CPU_ACCESS_WRITE);
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return 0;
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}
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int main() {
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CoInitializeEx(0, COINIT_MULTITHREADED);
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auto Window = (HWND)create_window(WindowMsgs);
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if (!Window) {
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printf("CreateWindow failed!\n");
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return 1;
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}
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if (init_directx11(Window))
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return 1;
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MSG Message;
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while (Running) {
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while (PeekMessage(&Message, 0, 0, 0, PM_REMOVE)) {
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if (Message.message == WM_QUIT) {
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Running = false;
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}
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TranslateMessage(&Message);
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DispatchMessage(&Message);
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}
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devicecontext->OMSetRenderTargets(1, &render_target_view, 0);
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V4 clear_color = { 0, 0, 0, 1 };
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devicecontext->ClearRenderTargetView(render_target_view, clear_color.E);
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//Quad rendern
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D3D11_MAPPED_SUBRESOURCE mapped_subresource;
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devicecontext->Map(instance_buffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &mapped_subresource);
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memcpy(mapped_subresource.pData, instances, sizeof(instances));
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devicecontext->Unmap(instance_buffer, 0);
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devicecontext->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
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devicecontext->IASetInputLayout(input_layout);
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ID3D11Buffer* input_buffers[] = {
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vertex_buffer,
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instance_buffer,
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};
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UINT input_strides[] = {
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sizeof(Vertex),
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sizeof(Instance),
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};
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UINT input_offsets[] = {
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0,
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0,
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};
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devicecontext->IASetVertexBuffers(0, sizeof(input_buffers) / sizeof(*input_buffers), input_buffers, input_strides, input_offsets);
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devicecontext->IASetIndexBuffer(index_buffer, DXGI_FORMAT_R16_UINT, 0);
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devicecontext->IASetInputLayout(input_layout);
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devicecontext->VSSetShader(vertex_shader, 0, 0);
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devicecontext->PSSetShader(pixel_shader, 0, 0);
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devicecontext->DrawIndexedInstanced(6, 1, 0, 0, 0);
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//
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swap_chain->Present(0, 0);
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}
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return 0;
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}
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