Function d3d_SetDefaultStates

legacy/renderer/Direct3D.cpp:1190–1288

Sets up some default rendering states for Direct3D

// Sets up some default rendering states for Direct3D
void d3d_SetDefaultStates() {
  // lpD3DDevice->SetLightState(  D3DLIGHTSTATE_AMBIENT,  0xffffffff );
  lpD3DDevice->SetRenderState(D3DRENDERSTATE_TEXTUREPERSPECTIVE, TRUE);
  lpD3DDevice->SetRenderState(D3DRENDERSTATE_ALPHATESTENABLE, TRUE);
  lpD3DDevice->SetRenderState(D3DRENDERSTATE_ALPHAFUNC, D3DCMP_GREATER);
  lpD3DDevice->SetRenderState(D3DRENDERSTATE_ALPHAREF, 0);
  lpD3DDevice->SetRenderState(D3DRENDERSTATE_DITHERENABLE, TRUE);

  if (d3d_MultiTexture) {
    // Set second texel unit stages
    lpD3DDevice->SetTextureStageState(1, D3DTSS_MINFILTER, D3DTFN_LINEAR);
    lpD3DDevice->SetTextureStageState(1, D3DTSS_MAGFILTER, D3DTFG_LINEAR);
    lpD3DDevice->SetTextureStageState(1, D3DTSS_COLOROP, D3DTOP_DISABLE);
    lpD3DDevice->SetTextureStageState(1, D3DTSS_ALPHAOP, D3DTOP_DISABLE);
    lpD3DDevice->SetTextureStageState(1, D3DTSS_TEXCOORDINDEX, 1);
    lpD3DDevice->SetTextureStageState(1, D3DTSS_COLORARG1, D3DTA_TEXTURE);
    lpD3DDevice->SetTextureStageState(1, D3DTSS_COLORARG2, D3DTA_CURRENT);
    lpD3DDevice->SetTextureStageState(1, D3DTSS_ALPHAARG1, D3DTA_TEXTURE);
    lpD3DDevice->SetTextureStageState(1, D3DTSS_ALPHAARG2, D3DTA_DIFFUSE);

    lpD3DDevice->SetTextureStageState(1, D3DTSS_ADDRESS, D3DTADDRESS_CLAMP);

    D3D_multitexture_state = false;
  }

  if (d3d_CanBumpmap) {
    D3D_bumpmap_state = false;
    float _val = 0;

    lpD3DDevice->SetTextureStageState(1, D3DTSS_MIPFILTER, D3DTFP_LINEAR);
    lpD3DDevice->SetTextureStageState(0, D3DTSS_TEXCOORDINDEX, 0);
    lpD3DDevice->SetTextureStageState(2, D3DTSS_TEXCOORDINDEX, 1);

    lpD3DDevice->SetTextureStageState(1, D3DTSS_BUMPENVMAT00, *(DWORD *)(&(_val = 1.0f)));
    lpD3DDevice->SetTextureStageState(1, D3DTSS_BUMPENVMAT01, *(DWORD *)(&(_val = 0.0f)));
    lpD3DDevice->SetTextureStageState(1, D3DTSS_BUMPENVMAT10, *(DWORD *)(&(_val = 0.0f)));
    lpD3DDevice->SetTextureStageState(1, D3DTSS_BUMPENVMAT11, *(DWORD *)(&(_val = 1.0f)));

    lpD3DDevice->SetTextureStageState(1, D3DTSS_BUMPENVLSCALE, *(DWORD *)(&(_val = 1.0f)));
    lpD3DDevice->SetTextureStageState(1, D3DTSS_BUMPENVLOFFSET, *(DWORD *)(&(_val = 0.0f)));

    lpD3DDevice->SetTextureStageState(2, D3DTSS_ADDRESS, D3DTADDRESS_CLAMP);
    lpD3DDevice->SetTextureStageState(2, D3DTSS_COLORARG1, D3DTA_TEXTURE);
    lpD3DDevice->SetTextureStageState(2, D3DTSS_COLORARG2, D3DTA_CURRENT);
  }

  lpD3DDevice->SetRenderState(D3DRENDERSTATE_ZWRITEENABLE, TRUE);
  lpD3DDevice->SetRenderState(D3DRENDERSTATE_ZFUNC, D3DCMP_LESSEQUAL);
  lpD3DDevice->SetRenderState(D3DRENDERSTATE_CULLMODE, D3DCULL_NONE);

  // Choose Wbuffer or straight zbuffer

  d3d_SetZBufferState(1);

  D3D_state.cur_color = 0x00FFFFFF;
  D3D_state.cur_bilinear_state = -1;
  D3D_state.cur_zbuffer_state = 1;
  D3D_state.cur_texture_quality = -1;