C++ CGUIShaderDX::Begin方法代码示例

void CGUIWindowTestPatternDX::DrawRectangle(float x, float y, float x2, float y2, DWORD color)
{
  XMFLOAT4 float4;
  CD3DHelper::XMStoreColor(&float4, color);

  Vertex vert[] = 
  {
    { XMFLOAT3( x, y, 0.5f), float4, XMFLOAT2(0.0f, 0.0f), XMFLOAT2(0.0f, 0.0f) },
    { XMFLOAT3(x2, y, 0.5f), float4, XMFLOAT2(0.0f, 0.0f), XMFLOAT2(0.0f, 0.0f) },
    { XMFLOAT3(x2, y2, 0.5f), float4, XMFLOAT2(0.0f, 0.0f), XMFLOAT2(0.0f, 0.0f) },
    { XMFLOAT3(x2, y2, 0.5f), float4, XMFLOAT2(0.0f, 0.0f), XMFLOAT2(0.0f, 0.0f) },
    { XMFLOAT3(x, y2, 0.5f), float4, XMFLOAT2(0.0f, 0.0f), XMFLOAT2(0.0f, 0.0f) },
    { XMFLOAT3( x, y, 0.5f), float4, XMFLOAT2(0.0f, 0.0f), XMFLOAT2(0.0f, 0.0f) },
  };

  UpdateVertexBuffer(vert, ARRAYSIZE(vert));

  ID3D11DeviceContext* pContext = g_Windowing.Get3D11Context();
  CGUIShaderDX* pGUIShader = g_Windowing.GetGUIShader();

  pGUIShader->Begin(SHADER_METHOD_RENDER_DEFAULT);
  unsigned stride = sizeof(Vertex), offset = 0;
  pContext->IASetVertexBuffers(0, 1, &m_vb, &stride, &offset);
  pContext->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
  pGUIShader->Draw(ARRAYSIZE(vert), 0);
}

void CGUIWindowTestPatternDX::DrawHorizontalLines(int top, int left, int bottom, int right)
{
  Vertex* vert = new Vertex[2 + (bottom - top)];
  int p = 0;
  for (int i = top; i <= bottom; i += 2)
  {
    vert[p].pos.x = (float)left;
    vert[p].pos.y = (float)i;
    vert[p].pos.z = 0.5f;
    vert[p].color = XMFLOAT4(m_white, m_white, m_white, 1.0f);
    ++p;
    vert[p].pos.x = (float)right;
    vert[p].pos.y = (float)i;
    vert[p].pos.z = 0.5f;
    vert[p].color = XMFLOAT4(m_white, m_white, m_white, 1.0f);
    ++p;
  }
  UpdateVertexBuffer(vert, p);

  ID3D11DeviceContext* pContext = g_Windowing.Get3D11Context();
  CGUIShaderDX* pGUIShader = g_Windowing.GetGUIShader();

  pGUIShader->Begin(SHADER_METHOD_RENDER_DEFAULT);
  unsigned stride = sizeof(Vertex), offset = 0;
  pContext->IASetVertexBuffers(0, 1, &m_vb, &stride, &offset);
  pContext->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_LINELIST);
  pGUIShader->Draw(p, 0);

  delete [] vert;
}

void COverlayImageDX::Render(SRenderState &state)
{
  ID3D11DeviceContext* pContext = g_Windowing.Get3D11Context();
  CGUIShaderDX* pGUIShader = g_Windowing.GetGUIShader();

  XMMATRIX world = pGUIShader->GetWorld();
  XMMATRIX trans = m_pos == POSITION_RELATIVE
                 ? XMMatrixTranslation(state.x - state.width  * 0.5f, state.y - state.height * 0.5f, 0.0f)
                 : XMMatrixTranslation(state.x, state.y, 0.0f),
           scale = XMMatrixScaling(state.width, state.height, 1.0f);

  pGUIShader->SetWorld(XMMatrixMultiply(XMMatrixMultiply(world, scale), trans));

  const unsigned stride = m_vertex.GetStride();
  const unsigned offset = 0;

  ID3D11Buffer* vertexBuffer = m_vertex.Get();
  // Set the vertex buffer to active in the input assembler so it can be rendered.
  pContext->IASetVertexBuffers(0, 1, &vertexBuffer, &stride, &offset);
  // Set the type of primitive that should be rendered from this vertex buffer, in this case triangles.
  pContext->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);

  pGUIShader->Begin(SHADER_METHOD_RENDER_TEXTURE_NOBLEND);
  g_Windowing.SetAlphaBlendEnable(true);

  ID3D11ShaderResourceView* views[] = { m_texture.GetShaderResource() };
  pGUIShader->SetShaderViews(1, views);
  pGUIShader->Draw(6, 0);

  // restoring transformation
  pGUIShader->SetWorld(world);
  pGUIShader->RestoreBuffers();
}

bool CGUIFontTTFDX::FirstBegin()
{
  ID3D11DeviceContext* pContext = g_Windowing.Get3D11Context();
  if (!pContext)
    return false;

  CGUIShaderDX* pGUIShader = g_Windowing.GetGUIShader();
  pGUIShader->Begin(SHADER_METHOD_RENDER_FONT);

  return true;
}

void COverlayQuadsDX::Render(SRenderState &state)
{
  if (m_count == 0)
    return;

  ID3D11Buffer* vertexBuffer = m_vertex.Get();
  if (vertexBuffer == nullptr)
    return;

  ID3D11DeviceContext* pContext = DX::DeviceResources::Get()->GetD3DContext();
  CGUIShaderDX* pGUIShader = DX::Windowing()->GetGUIShader();

  XMMATRIX world, view, proj;
  pGUIShader->GetWVP(world, view, proj);

  if (CServiceBroker::GetWinSystem()->GetGfxContext().GetStereoMode() == RENDER_STEREO_MODE_SPLIT_HORIZONTAL
   || CServiceBroker::GetWinSystem()->GetGfxContext().GetStereoMode() == RENDER_STEREO_MODE_SPLIT_VERTICAL)
  {
    CRect rect;
    DX::Windowing()->GetViewPort(rect);
    DX::Windowing()->SetCameraPosition(CPoint(rect.Width() * 0.5f, rect.Height() * 0.5f),
                                  static_cast<int>(rect.Width()),
                                  static_cast<int>(rect.Height()));
  }

  XMMATRIX trans = XMMatrixTranslation(state.x, state.y, 0.0f);
  XMMATRIX scale = XMMatrixScaling(state.width, state.height, 1.0f);

  pGUIShader->SetWorld(XMMatrixMultiply(XMMatrixMultiply(world, scale), trans));

  const unsigned stride = sizeof(Vertex);
  const unsigned offset = 0;

  // Set the vertex buffer to active in the input assembler so it can be rendered.
  pContext->IASetVertexBuffers(0, 1, &vertexBuffer, &stride, &offset);
  // Set the type of primitive that should be rendered from this vertex buffer, in this case triangles.
  pContext->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);

  DX::Windowing()->SetAlphaBlendEnable(true);
  pGUIShader->Begin(SHADER_METHOD_RENDER_FONT);

  pGUIShader->SetShaderViews(1, m_texture.GetAddressOfSRV());
  pGUIShader->Draw(m_count * 6, 0);

  // restoring transformation
  pGUIShader->SetWVP(world, view, proj);
  pGUIShader->RestoreBuffers();
}

void COverlayQuadsDX::Render(SRenderState &state)
{
  if (m_count == 0)
    return;

  ID3D11DeviceContext* pContext = g_Windowing.Get3D11Context();
  CGUIShaderDX* pGUIShader = g_Windowing.GetGUIShader();

  XMMATRIX world = pGUIShader->GetWorld();
  XMMATRIX view = pGUIShader->GetView();
  XMMATRIX proj = pGUIShader->GetProjection();

  if (g_graphicsContext.GetStereoMode() == RENDER_STEREO_MODE_SPLIT_HORIZONTAL
   || g_graphicsContext.GetStereoMode() == RENDER_STEREO_MODE_SPLIT_VERTICAL)
  {
    CRect rect;
    g_Windowing.GetViewPort(rect);
    g_Windowing.SetCameraPosition(CPoint(rect.Width()*0.5f, rect.Height()*0.5f), rect.Width(), rect.Height());
  }

  XMMATRIX trans = XMMatrixTranslation(state.x, state.y, 0.0f);
  XMMATRIX scale = XMMatrixScaling(state.width, state.height, 1.0f);

  pGUIShader->SetWorld(XMMatrixMultiply(XMMatrixMultiply(world, scale), trans));

  const unsigned stride = sizeof(Vertex);
  const unsigned offset = 0;

  ID3D11Buffer* vertexBuffer = m_vertex.Get();
  // Set the vertex buffer to active in the input assembler so it can be rendered.
  pContext->IASetVertexBuffers(0, 1, &vertexBuffer, &stride, &offset);
  // Set the type of primitive that should be rendered from this vertex buffer, in this case triangles.
  pContext->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST);

  g_Windowing.SetAlphaBlendEnable(true);
  pGUIShader->Begin(SHADER_METHOD_RENDER_FONT);

  ID3D11ShaderResourceView* views[] = { m_texture.GetShaderResource() };
  pGUIShader->SetShaderViews(1, views);
  pGUIShader->Draw(m_count * 6, 0);

  // restoring transformation
  pGUIShader->SetWorld(world);
  pGUIShader->SetView(view);
  pGUIShader->SetProjection(proj);
  pGUIShader->RestoreBuffers();
}

void CGUIWindowTestPatternDX::DrawCircleEx(float originX, float originY, float radius, DWORD color)
{
  float angle;
  float vectorX;
  float vectorY;
  float vectorY1 = originY;
  float vectorX1 = originX;
  Vertex vert[1084]; // 361*3 + 1
  int p = 0;

  for (int i = 0; i <= 360; i++)
  {
    angle = (float)(((double)i)/57.29577957795135);
    vectorX = originX + (radius*(float)sin((double)angle));
    vectorY = originY + (radius*(float)cos((double)angle));
    vert[p].pos.x = originX;
    vert[p].pos.y = originY;
    vert[p].pos.z = 0.5f;
    CD3DHelper::XMStoreColor(&vert[p].color, color);
    ++p;
    vert[p].pos.x = vectorX1;
    vert[p].pos.y = vectorY1;
    vert[p].pos.z = 0.5f;
    CD3DHelper::XMStoreColor(&vert[p].color, color);
    ++p;
    vert[p].pos.x = vectorX;
    vert[p].pos.y = vectorY;
    vert[p].pos.z = 0.5f;
    CD3DHelper::XMStoreColor(&vert[p].color, color);
    ++p;
    vectorY1 = vectorY;
    vectorX1 = vectorX;
  }
  vert[1083] = vert[0];

  UpdateVertexBuffer(vert, ARRAYSIZE(vert));

  ID3D11DeviceContext* pContext = g_Windowing.Get3D11Context();
  CGUIShaderDX* pGUIShader = g_Windowing.GetGUIShader();

  pGUIShader->Begin(SHADER_METHOD_RENDER_DEFAULT);
  unsigned stride = sizeof(Vertex), offset = 0;
  pContext->IASetVertexBuffers(0, 1, &m_vb, &stride, &offset);
  pContext->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
  pGUIShader->Draw(ARRAYSIZE(vert), 0);
}

void CD3DTexture::DrawQuad(const CPoint points[4], color_t color, unsigned numViews, ID3D11ShaderResourceView **view, const CRect *texCoords, SHADER_METHOD options)
{
  XMFLOAT4 xcolor;
  CD3DHelper::XMStoreColor(&xcolor, color);
  CRect coords = texCoords ? *texCoords : CRect(0.0f, 0.0f, 1.0f, 1.0f);

  Vertex verts[4] = {
    { XMFLOAT3(points[0].x, points[0].y, 0), xcolor, XMFLOAT2(coords.x1, coords.y1), XMFLOAT2(0.0f, 0.0f) },
    { XMFLOAT3(points[1].x, points[1].y, 0), xcolor, XMFLOAT2(coords.x2, coords.y1), XMFLOAT2(0.0f, 0.0f) },
    { XMFLOAT3(points[2].x, points[2].y, 0), xcolor, XMFLOAT2(coords.x2, coords.y2), XMFLOAT2(0.0f, 0.0f) },
    { XMFLOAT3(points[3].x, points[3].y, 0), xcolor, XMFLOAT2(coords.x1, coords.y2), XMFLOAT2(0.0f, 0.0f) },
  };

  CGUIShaderDX* pGUIShader = g_Windowing.GetGUIShader();

  pGUIShader->Begin(view && numViews > 0 ? options : SHADER_METHOD_RENDER_DEFAULT);
  if (view && numViews > 0)
    pGUIShader->SetShaderViews(numViews, view);
  pGUIShader->DrawQuad(verts[0], verts[1], verts[2], verts[3]);
}

void CGUIWindowTestPatternDX::DrawCheckers(int top, int left, int bottom, int right)
{
  int c = (bottom-top+1)*(1+(right-left)/2);
  if (c < 1)
    return;
  Vertex* vert = new Vertex[c];
  int i=0;
  for (int y = top; y <= bottom; y++)
  {
    for (int x = left; x <= right; x += 2)
    {
      if (y % 2 == 0)
      {
        vert[i].pos.x = (float)x;
        vert[i].pos.y = (float)y;
        vert[i].pos.z = 0.5f;
        vert[i].color = XMFLOAT4(m_white, m_white, m_white, 1.0f);
      }
      else
      {
        vert[i].pos.x = (float)x+1.0f;
        vert[i].pos.y = (float)y;
        vert[i].pos.z = 0.5f;
        vert[i].color = XMFLOAT4(m_white, m_white, m_white, 1.0f);
      }
      ++i;
    }
  }
  UpdateVertexBuffer(vert, i);

  ID3D11DeviceContext* pContext = g_Windowing.Get3D11Context();
  CGUIShaderDX* pGUIShader = g_Windowing.GetGUIShader();

  pGUIShader->Begin(SHADER_METHOD_RENDER_DEFAULT);
  unsigned stride = sizeof(Vertex), offset = 0;
  pContext->IASetVertexBuffers(0, 1, &m_vb, &stride, &offset);
  pContext->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_POINTLIST);
  pGUIShader->Draw(i, 0);

  delete [] vert;
}

void CGUIWindowTestPatternDX::DrawContrastBrightnessPattern(int top, int left, int bottom, int right)
{
  DWORD color;
  DWORD color_white = D3DCOLOR_COLORVALUE(m_white, m_white, m_white, 1.0f);
  DWORD color_black = D3DCOLOR_COLORVALUE(m_black, m_black, m_black, 1.0f);
  float x5p = (float) (left + (0.05f * (right - left)));
  float y5p = (float) (top + (0.05f * (bottom - top)));
  float x12p = (float) (left + (0.125f * (right - left)));
  float y12p = (float) (top + (0.125f * (bottom - top)));
  float x25p = (float) (left + (0.25f * (right - left)));
  float y25p = (float) (top + (0.25f * (bottom - top)));
  float x37p = (float) (left + (0.375f * (right - left)));
  float y37p = (float) (top + (0.375f * (bottom - top)));
  float x50p = (float)(left + (right - left) / 2);
  float y50p = (float)(top + (bottom - top) / 2);
  float x62p = (float) (left + (0.625f * (right - left)));
  float y62p = (float) (top + (0.625f * (bottom - top)));
  float x75p = (float) (left + (0.75f * (right - left)));
  float y75p = (float) (top + (0.75f * (bottom - top)));
  float x87p = (float) (left + (0.875f * (right - left)));
  float y87p = (float) (top + (0.875f * (bottom - top)));
  float x95p = (float) (left + (0.95f * (right - left)));
  float y95p = (float) (top + (0.95f * (bottom - top)));

  m_blinkFrame = (m_blinkFrame + 1) % TEST_PATTERNS_BLINK_CYCLE;

  // draw main quadrants
  DrawRectangle(x50p, (float)top, (float)right, y50p, color_white);
  DrawRectangle((float)left, (float)y50p, x50p, (float)bottom, color_white);

  XMFLOAT4 xcolor_white, xcolor_black;
  CD3DHelper::XMStoreColor(&xcolor_white, color_white);
  CD3DHelper::XMStoreColor(&xcolor_black, color_black);

  // draw border lines
  Vertex vert[] = 
  {
    { XMFLOAT3((float)left, y5p, 0.5f), xcolor_white, XMFLOAT2(0.0f, 0.0f), XMFLOAT2(0.0f, 0.0f) },
    { XMFLOAT3(x50p, y5p, 0.5f), xcolor_white, XMFLOAT2(0.0f, 0.0f), XMFLOAT2(0.0f, 0.0f) },
    { XMFLOAT3(x5p, (float)top, 0.5f), xcolor_white, XMFLOAT2(0.0f, 0.0f), XMFLOAT2(0.0f, 0.0f) },
    { XMFLOAT3(x5p, y50p, 0.5f), xcolor_white, XMFLOAT2(0.0f, 0.0f), XMFLOAT2(0.0f, 0.0f) },
    { XMFLOAT3(x50p, y95p, 0.5f), xcolor_white, XMFLOAT2(0.0f, 0.0f), XMFLOAT2(0.0f, 0.0f) },
    { XMFLOAT3((float)right, y95p, 0.5f), xcolor_white, XMFLOAT2(0.0f, 0.0f), XMFLOAT2(0.0f, 0.0f) },
    { XMFLOAT3(x95p, y50p, 0.5f), xcolor_white, XMFLOAT2(0.0f, 0.0f), XMFLOAT2(0.0f, 0.0f) },
    { XMFLOAT3(x95p, (float)bottom, 0.5f), xcolor_white, XMFLOAT2(0.0f, 0.0f), XMFLOAT2(0.0f, 0.0f) },

    { XMFLOAT3(x50p, y5p, 0.5f), xcolor_black, XMFLOAT2(0.0f, 0.0f), XMFLOAT2(0.0f, 0.0f) },
    { XMFLOAT3((float)right, y5p, 0.5f), xcolor_black, XMFLOAT2(0.0f, 0.0f), XMFLOAT2(0.0f, 0.0f) },
    { XMFLOAT3(x5p, y50p, 0.5f), xcolor_black, XMFLOAT2(0.0f, 0.0f), XMFLOAT2(0.0f, 0.0f) },
    { XMFLOAT3(x5p, (float)bottom, 0.5f), xcolor_black, XMFLOAT2(0.0f, 0.0f), XMFLOAT2(0.0f, 0.0f) },
    { XMFLOAT3((float)left, y95p, 0.5f), xcolor_black, XMFLOAT2(0.0f, 0.0f), XMFLOAT2(0.0f, 0.0f) },
    { XMFLOAT3(x50p, y95p, 0.5f), xcolor_black, XMFLOAT2(0.0f, 0.0f), XMFLOAT2(0.0f, 0.0f) },
    { XMFLOAT3(x95p, (float)top, 0.5f), xcolor_black, XMFLOAT2(0.0f, 0.0f), XMFLOAT2(0.0f, 0.0f) },
    { XMFLOAT3(x95p, y50p, 0.5f), xcolor_black, XMFLOAT2(0.0f, 0.0f), XMFLOAT2(0.0f, 0.0f) },
  };
  UpdateVertexBuffer(vert, ARRAYSIZE(vert));

  ID3D11DeviceContext* pContext = g_Windowing.Get3D11Context();
  CGUIShaderDX* pGUIShader = g_Windowing.GetGUIShader();

  pGUIShader->Begin(SHADER_METHOD_RENDER_DEFAULT);
  unsigned stride = sizeof(Vertex), offset = 0;
  pContext->IASetVertexBuffers(0, 1, &m_vb, &stride, &offset);
  pContext->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_LINELIST);
  pGUIShader->Draw(ARRAYSIZE(vert), 0);

  // draw inner rectangles
  DrawRectangle(x12p, y12p, x37p, y37p, color_white);
  DrawRectangle(x62p, y62p, x87p, y87p, color_white);

  DrawRectangle(x62p, y12p, x87p, y37p, color_black);
  DrawRectangle(x12p, y62p, x37p, y87p, color_black);

  // draw inner circles
  if (m_blinkFrame < TEST_PATTERNS_BLINK_CYCLE / 2)
    color = D3DCOLOR_COLORVALUE(m_black + 0.05f, m_black + 0.05f, m_black + 0.05f, 1.0f);
  else
    color = D3DCOLOR_COLORVALUE(0.0f, 0.0f, 0.0f, 1.0f); // BTB
  DrawCircleEx(x25p, y75p, (y37p - y12p) / 3, color);
  DrawCircleEx(x75p, y25p, (y37p - y12p) / 3, color);

  if (m_blinkFrame < TEST_PATTERNS_BLINK_CYCLE / 2)
    color = D3DCOLOR_COLORVALUE(m_white - 0.05f, m_white - 0.05f, m_white - 0.05f, 1.0f);
  else
    color = D3DCOLOR_COLORVALUE(1.0f, 1.0f, 1.0f, 1.0f); // WTW
  DrawCircleEx(x25p, y25p, (y37p - y12p) / 3, color);
  DrawCircleEx(x75p, y75p, (y37p - y12p) / 3, color);
}

void CGUITextureD3D::Draw(float *x, float *y, float *z, const CRect &texture, const CRect &diffuse, int orientation)
{
  XMFLOAT4 xcolor;
  CD3DHelper::XMStoreColor(&xcolor, m_col);

  Vertex verts[4];
  verts[0].pos.x = x[0]; verts[0].pos.y = y[0]; verts[0].pos.z = z[0];
  verts[0].texCoord.x = texture.x1;   verts[0].texCoord.y = texture.y1;
  verts[0].texCoord2.x = diffuse.x1;  verts[0].texCoord2.y = diffuse.y1;
  verts[0].color = xcolor;

  verts[1].pos.x = x[1]; verts[1].pos.y = y[1]; verts[1].pos.z = z[1];
  if (orientation & 4)
  {
    verts[1].texCoord.x = texture.x1;
    verts[1].texCoord.y = texture.y2;
  }
  else
  {
    verts[1].texCoord.x = texture.x2;
    verts[1].texCoord.y = texture.y1;
  }
  if (m_info.orientation & 4)
  {
    verts[1].texCoord2.x = diffuse.x1;
    verts[1].texCoord2.y = diffuse.y2;
  }
  else
  {
    verts[1].texCoord2.x = diffuse.x2;
    verts[1].texCoord2.y = diffuse.y1;
  }
  verts[1].color = xcolor;

  verts[2].pos.x = x[2]; verts[2].pos.y = y[2]; verts[2].pos.z = z[2];
  verts[2].texCoord.x = texture.x2;   verts[2].texCoord.y = texture.y2;
  verts[2].texCoord2.x = diffuse.x2;  verts[2].texCoord2.y = diffuse.y2;
  verts[2].color = xcolor;

  verts[3].pos.x = x[3]; verts[3].pos.y = y[3]; verts[3].pos.z = z[3];
  if (orientation & 4)
  {
    verts[3].texCoord.x = texture.x2;
    verts[3].texCoord.y = texture.y1;
  }
  else
  {
    verts[3].texCoord.x = texture.x1;
    verts[3].texCoord.y = texture.y2;
  }
  if (m_info.orientation & 4)
  {
    verts[3].texCoord2.x = diffuse.x2;
    verts[3].texCoord2.y = diffuse.y1;
  }
  else
  {
    verts[3].texCoord2.x = diffuse.x1;
    verts[3].texCoord2.y = diffuse.y2;
  }
  verts[3].color = xcolor;

  CDXTexture* tex = (CDXTexture *)m_texture.m_textures[m_currentFrame];
  CGUIShaderDX* pGUIShader = DX::Windowing().GetGUIShader();

  pGUIShader->Begin(m_diffuse.size() ? SHADER_METHOD_RENDER_MULTI_TEXTURE_BLEND : SHADER_METHOD_RENDER_TEXTURE_BLEND);

  if (m_diffuse.size())
  {
    CDXTexture* diff = (CDXTexture *)m_diffuse.m_textures[0];
    ID3D11ShaderResourceView* resource[] = { tex->GetShaderResource(), diff->GetShaderResource() };
    pGUIShader->SetShaderViews(ARRAYSIZE(resource), resource);
  }
  else
  {
    ID3D11ShaderResourceView* resource = tex->GetShaderResource();
    pGUIShader->SetShaderViews(1, &resource);
  }
  pGUIShader->DrawQuad(verts[0], verts[1], verts[2], verts[3]);
}

void CSlideShowPic::Render(float *x, float *y, CBaseTexture* pTexture, UTILS::Color color)
{
#ifdef HAS_DX
  Vertex vertex[5];
  for (int i = 0; i < 4; i++)
  {
    vertex[i].pos = XMFLOAT3( x[i], y[i], 0);
    CD3DHelper::XMStoreColor(&vertex[i].color, color);
    vertex[i].texCoord = XMFLOAT2(0.0f, 0.0f);
    vertex[i].texCoord2 = XMFLOAT2(0.0f, 0.0f);
  }

  if (pTexture)
  {
    vertex[1].texCoord.x = vertex[2].texCoord.x = (float) pTexture->GetWidth() / pTexture->GetTextureWidth();
    vertex[2].texCoord.y = vertex[3].texCoord.y = (float) pTexture->GetHeight() / pTexture->GetTextureHeight();
  }
  else
  {
    vertex[1].texCoord.x = vertex[2].texCoord.x = 1.0f;
    vertex[2].texCoord.y = vertex[3].texCoord.y = 1.0f;
  }
  vertex[4] = vertex[0]; // Not used when pTexture != NULL

  CGUIShaderDX* pGUIShader = DX::Windowing()->GetGUIShader();
  pGUIShader->Begin(SHADER_METHOD_RENDER_TEXTURE_BLEND);

  // Set state to render the image
  if (pTexture)
  {
    pTexture->LoadToGPU();
    CDXTexture* dxTexture = reinterpret_cast<CDXTexture*>(pTexture);
    ID3D11ShaderResourceView* shaderRes = dxTexture->GetShaderResource();
    pGUIShader->SetShaderViews(1, &shaderRes);
    pGUIShader->DrawQuad(vertex[0], vertex[1], vertex[2], vertex[3]);
  }
  else
  {
    if (!UpdateVertexBuffer(vertex))
      return;

    ComPtr<ID3D11DeviceContext> pContext = DX::DeviceResources::Get()->GetD3DContext();

    unsigned stride = sizeof(Vertex);
    unsigned offset = 0;
    pContext->IASetVertexBuffers(0, 1, m_vb.GetAddressOf(), &stride, &offset);
    pContext->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_LINESTRIP);

    pGUIShader->Draw(5, 0);
    pGUIShader->RestoreBuffers();
  }

#elif defined(HAS_GL)
  CRenderSystemGL *renderSystem = dynamic_cast<CRenderSystemGL*>(CServiceBroker::GetRenderSystem());
  if (pTexture)
  {
    pTexture->LoadToGPU();
    pTexture->BindToUnit(0);

    glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
    glEnable(GL_BLEND);

    renderSystem->EnableShader(SM_TEXTURE);
  }
  else
  {
    renderSystem->EnableShader(SM_DEFAULT);
  }

  float u1 = 0, u2 = 1, v1 = 0, v2 = 1;
  if (pTexture)
  {
    u2 = (float)pTexture->GetWidth() / pTexture->GetTextureWidth();
    v2 = (float)pTexture->GetHeight() / pTexture->GetTextureHeight();
  }

  GLubyte colour[4];
  GLubyte idx[4] = {0, 1, 3, 2};  //determines order of the vertices
  GLuint vertexVBO;
  GLuint indexVBO;
  struct PackedVertex
  {
    float x, y, z;
    float u1, v1;
  } vertex[4];

  // Setup vertex position values
  vertex[0].x = x[0];
  vertex[0].y = y[0];
  vertex[0].z = 0;
  vertex[0].u1 = u1;
  vertex[0].v1 = v1;

  vertex[1].x = x[1];
  vertex[1].y = y[1];
  vertex[1].z = 0;
  vertex[1].u1 = u2;
  vertex[1].v1 = v1;

  vertex[2].x = x[2];
//.........这里部分代码省略.........

void CSlideShowPic::Render(float *x, float *y, CBaseTexture* pTexture, color_t color)
{
#ifdef HAS_DX
  static const DWORD FVF_VERTEX = D3DFVF_XYZ | D3DFVF_DIFFUSE | D3DFVF_TEX1;

  Vertex vertex[5];
  for (int i = 0; i < 4; i++)
  {
    vertex[i].pos = XMFLOAT3( x[i], y[i], 0);
    CD3DHelper::XMStoreColor(&vertex[i].color, color);
    vertex[i].texCoord = XMFLOAT2(0.0f, 0.0f);
    vertex[i].texCoord2 = XMFLOAT2(0.0f, 0.0f);
  }

  if (pTexture)
  {
    vertex[1].texCoord.x = vertex[2].texCoord.x = (float) pTexture->GetWidth() / pTexture->GetTextureWidth();
    vertex[2].texCoord.y = vertex[3].texCoord.y = (float) pTexture->GetHeight() / pTexture->GetTextureHeight();
  }
  else
  {
    vertex[1].texCoord.x = vertex[2].texCoord.x = 1.0f;
    vertex[2].texCoord.y = vertex[3].texCoord.y = 1.0f;
  }
  vertex[4] = vertex[0]; // Not used when pTexture != NULL

  CGUIShaderDX* pGUIShader = g_Windowing.GetGUIShader();
  pGUIShader->Begin(SHADER_METHOD_RENDER_TEXTURE_BLEND);

  // Set state to render the image
  if (pTexture)
  {
    pTexture->LoadToGPU();
    CDXTexture* dxTexture = reinterpret_cast<CDXTexture*>(pTexture);
    ID3D11ShaderResourceView* shaderRes = dxTexture->GetShaderResource();
    pGUIShader->SetShaderViews(1, &shaderRes);
    pGUIShader->DrawQuad(vertex[0], vertex[1], vertex[2], vertex[3]);
  }
  else
  {
    if (!UpdateVertexBuffer(vertex))
      return;

    ID3D11DeviceContext* pContext = g_Windowing.Get3D11Context();

    unsigned stride = sizeof(Vertex);
    unsigned offset = 0;
    pContext->IASetVertexBuffers(0, 1, &m_vb, &stride, &offset);
    pContext->IASetPrimitiveTopology(D3D11_PRIMITIVE_TOPOLOGY_LINESTRIP);

    pGUIShader->Draw(5, 0);
    pGUIShader->RestoreBuffers();
  }

#elif defined(HAS_GL)
  if (pTexture)
  {
    int unit = 0;
    pTexture->LoadToGPU();
    pTexture->BindToUnit(unit++);

    glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
    glEnable(GL_BLEND);          // Turn Blending On

    // diffuse coloring
    glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_COMBINE);
    glTexEnvf(GL_TEXTURE_ENV, GL_COMBINE_RGB, GL_MODULATE);
    glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE0_RGB, GL_TEXTURE0);
    glTexEnvf(GL_TEXTURE_ENV, GL_OPERAND0_RGB, GL_SRC_COLOR);
    glTexEnvf(GL_TEXTURE_ENV, GL_SOURCE1_RGB, GL_PRIMARY_COLOR);
    glTexEnvf(GL_TEXTURE_ENV, GL_OPERAND1_RGB, GL_SRC_COLOR);

    if(g_Windowing.UseLimitedColor())
    {
      // compress range
      pTexture->BindToUnit(unit++); // dummy bind
      const GLfloat rgba1[4] = {(235.0 - 16.0f) / 255.0f, (235.0 - 16.0f) / 255.0f, (235.0 - 16.0f) / 255.0f, 1.0f};
      glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE , GL_COMBINE);
      glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR, rgba1);
      glTexEnvi (GL_TEXTURE_ENV, GL_COMBINE_RGB , GL_MODULATE);
      glTexEnvi (GL_TEXTURE_ENV, GL_SOURCE0_RGB , GL_PREVIOUS);
      glTexEnvi (GL_TEXTURE_ENV, GL_SOURCE1_RGB , GL_CONSTANT);
      glTexEnvi (GL_TEXTURE_ENV, GL_OPERAND0_RGB , GL_SRC_COLOR);
      glTexEnvi (GL_TEXTURE_ENV, GL_OPERAND1_RGB , GL_SRC_COLOR);
      glTexEnvi (GL_TEXTURE_ENV, GL_COMBINE_ALPHA , GL_REPLACE);
      glTexEnvi (GL_TEXTURE_ENV, GL_SOURCE0_ALPHA , GL_PREVIOUS);

      // transition
      pTexture->BindToUnit(unit++); // dummy bind
      const GLfloat rgba2[4] = {16.0f / 255.0f, 16.0f / 255.0f, 16.0f / 255.0f, 0.0f};
      glTexEnvi (GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE , GL_COMBINE);
      glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR, rgba2);
      glTexEnvi (GL_TEXTURE_ENV, GL_COMBINE_RGB , GL_ADD);
      glTexEnvi (GL_TEXTURE_ENV, GL_SOURCE0_RGB , GL_PREVIOUS);
      glTexEnvi (GL_TEXTURE_ENV, GL_SOURCE1_RGB , GL_CONSTANT);
      glTexEnvi (GL_TEXTURE_ENV, GL_OPERAND0_RGB , GL_SRC_COLOR);
      glTexEnvi (GL_TEXTURE_ENV, GL_OPERAND1_RGB , GL_SRC_COLOR);
      glTexEnvi (GL_TEXTURE_ENV, GL_COMBINE_ALPHA , GL_REPLACE);
      glTexEnvi (GL_TEXTURE_ENV, GL_SOURCE0_ALPHA , GL_PREVIOUS);
    }
//.........这里部分代码省略.........