//-----------------------------------------------------------------------
void GraphicsContextDirect3D11::SetTexture(int index, RenderTarget2D & textureIn)
{
POMDOG_ASSERT(index >= 0);
POMDOG_ASSERT(index < D3D11_COMMONSHADER_INPUT_RESOURCE_SLOT_COUNT);
POMDOG_ASSERT(index < static_cast<int>(textureResourceViews.size()));
POMDOG_ASSERT(textureIn.NativeRenderTarget2D() != nullptr);
auto texture = static_cast<RenderTarget2DDirect3D11*>(textureIn.NativeRenderTarget2D());
POMDOG_ASSERT(texture != nullptr);
POMDOG_ASSERT(texture == dynamic_cast<RenderTarget2DDirect3D11*>(textureIn.NativeRenderTarget2D()));
textureResourceViews[index] = texture->GetShaderResourceView();
POMDOG_ASSERT(deviceContext);
deviceContext->PSSetShaderResources(0, 1, &textureResourceViews[index]);
}
//-----------------------------------------------------------------------
void GraphicsContextGL4::SetTexture(int textureUnit, RenderTarget2D & textureIn)
{
POMDOG_ASSERT(!textures.empty());
POMDOG_ASSERT(textureUnit >= 0);
POMDOG_ASSERT(textureUnit < static_cast<int>(textures.size()));
constexpr GLenum textureType = GL_TEXTURE_2D;
if (textures[textureUnit] && *textures[textureUnit] != textureType) {
// Unbind texture
SetTexture(textureUnit);
}
textures[textureUnit] = textureType;
POMDOG_ASSERT(textureIn.NativeRenderTarget2D());
auto renderTargetGL4 = dynamic_cast<RenderTarget2DGL4*>(textureIn.NativeRenderTarget2D());
POMDOG_ASSERT(renderTargetGL4 != nullptr);
ApplyTexture2D(textureUnit, renderTargetGL4->GetTextureHandle());
}