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gistfile1.cpp

// We temporarily disable this warning for the shared interface portions
#pragma warning (push)
#pragma warning (disable: 4201) // nonstandard extension used : nameless struct/union

#include <windows.h>
#include <d3d11.h>
#include "gdraw.h"
#include "iggy.h"
#include <string.h>
#include <math.h>

#include "gdraw_d3d11.h"

#pragma warning (pop)

// Some macros to allow as much sharing between D3D10 and D3D11 code as possible.
#define D3D1X_(id)         D3D11_##id
#define ID3D1X(id)         ID3D11##id
#define gdraw_D3D1X_(id)   gdraw_D3D11_##id
#define GDRAW_D3D1X_(id)   GDRAW_D3D11_##id

typedef ID3D11Device ID3D1XDevice;
typedef ID3D11DeviceContext ID3D1XContext;
typedef F32 ViewCoord;
typedef gdraw_d3d11_resourcetype gdraw_resourcetype;

static void report_d3d_error(HRESULT hr, char *call, char *context);

static void *map_buffer(ID3D1XContext *ctx, ID3D11Buffer *buf, bool discard)
{
   D3D11_MAPPED_SUBRESOURCE msr;
   HRESULT hr = ctx->Map(buf, 0, discard ? D3D11_MAP_WRITE_DISCARD : D3D11_MAP_WRITE_NO_OVERWRITE, 0, &msr);
   if (FAILED(hr)) {
      report_d3d_error(hr, "Map", "of buffer");
      return NULL;
   } else
      return msr.pData;
}

static void unmap_buffer(ID3D1XContext *ctx, ID3D11Buffer *buf)
{
   ctx->Unmap(buf, 0);
}

static RADINLINE void set_pixel_shader(ID3D11DeviceContext *ctx, ID3D11PixelShader *shader)
{
   ctx->PSSetShader(shader, NULL, 0);
}

static RADINLINE void set_vertex_shader(ID3D11DeviceContext *ctx, ID3D11VertexShader *shader)
{
   ctx->VSSetShader(shader, NULL, 0);
}

static ID3D11BlendState *create_blend_state(ID3D11Device *dev, BOOL blend, D3D11_BLEND src, D3D11_BLEND dst)
{
   D3D11_BLEND_DESC desc = {};
   desc.RenderTarget[0].BlendEnable = blend;
   desc.RenderTarget[0].SrcBlend = src;
   desc.RenderTarget[0].DestBlend = dst;
   desc.RenderTarget[0].BlendOp = D3D11_BLEND_OP_ADD;
   desc.RenderTarget[0].SrcBlendAlpha = (src == D3D11_BLEND_DEST_COLOR ) ? D3D11_BLEND_DEST_ALPHA : src;
   desc.RenderTarget[0].DestBlendAlpha = dst;
   desc.RenderTarget[0].BlendOpAlpha = D3D11_BLEND_OP_ADD;
   desc.RenderTarget[0].RenderTargetWriteMask = D3D11_COLOR_WRITE_ENABLE_ALL;

   ID3D11BlendState *res;
   HRESULT hr = dev->CreateBlendState(&desc, &res);
   if (FAILED(hr)) {
      report_d3d_error(hr, "CreateBlendState", "");
      res = NULL;
   }

   return res;
}

#define GDRAW_SHADER_FILE "gdraw_d3d10_shaders.inl"
#include "gdraw_d3d1x_shared.inl"