//[-------------------------------------------------------]
//[ Private virtual RendererRuntime::IMaterialBlueprintResourceListener methods ]
//[-------------------------------------------------------]
void MaterialBlueprintResourceListener::beginFillPass(IRendererRuntime& rendererRuntime, const Renderer::IRenderTarget& renderTarget, const Transform& worldSpaceToViewSpaceTransform, PassBufferManager::PassData& passData)
{
// Remember the pass data memory address of the current scope
mPassData = &passData;
// Get the render target with and height
renderTarget.getWidthAndHeight(mRenderTargetWidth, mRenderTargetHeight);
assert(0 != mRenderTargetWidth);
assert(0 != mRenderTargetHeight);
// Get the aspect ratio
const float aspectRatio = static_cast<float>(mRenderTargetWidth) / mRenderTargetHeight;
// TODO(co) Use dynamic values
float fovY = 45.0f;
float nearZ = 0.1f;
float farZ = 100.0f;
// Calculate required matrices basing whether or not the VR-manager is currently running
glm::mat4 viewSpaceToClipSpaceMatrix;
glm::mat4 viewTranslateMatrix;
{
const IVrManager& vrManager = rendererRuntime.getVrManager();
if (vrManager.isRunning() && VrEye::UNKNOWN != getCurrentRenderedVrEye())
{
const IVrManager::VrEye vrEye = static_cast<IVrManager::VrEye>(getCurrentRenderedVrEye());
viewSpaceToClipSpaceMatrix = vrManager.getHmdViewSpaceToClipSpaceMatrix(vrEye, nearZ, farZ);
viewTranslateMatrix = vrManager.getHmdEyeSpaceToHeadSpaceMatrix(vrEye) * vrManager.getHmdPoseMatrix();
}
else
{
viewSpaceToClipSpaceMatrix = glm::perspective(fovY, aspectRatio, nearZ, farZ);
}
}
// Calculate the final matrices
mPassData->worldSpaceToViewSpaceMatrix = glm::translate(glm::mat4(1.0f), worldSpaceToViewSpaceTransform.position) * glm::toMat4(worldSpaceToViewSpaceTransform.rotation);
mPassData->worldSpaceToClipSpaceMatrix = viewSpaceToClipSpaceMatrix * viewTranslateMatrix * mPassData->worldSpaceToViewSpaceMatrix;
}
void FirstMesh::onDraw()
{
RendererRuntime::IRendererRuntime* rendererRuntime = getRendererRuntime();
if (nullptr == rendererRuntime)
{
return;
}
// Due to background texture loading, some textures might not be ready, yet
// TODO(co) Add dummy textures so rendering also works when textures are not ready, yet
const RendererRuntime::TextureResources& textureResources = rendererRuntime->getTextureResourceManager().getTextureResources();
const RendererRuntime::TextureResource* diffuseTextureResource = textureResources.tryGetElementById(mDiffuseTextureResourceId);
const RendererRuntime::TextureResource* normalTextureResource = textureResources.tryGetElementById(mNormalTextureResourceId);
const RendererRuntime::TextureResource* specularTextureResource = textureResources.tryGetElementById(mSpecularTextureResourceId);
const RendererRuntime::TextureResource* emissiveTextureResource = textureResources.tryGetElementById(mEmissiveTextureResourceId);
if (nullptr == diffuseTextureResource || nullptr == diffuseTextureResource->getTexture() ||
nullptr == normalTextureResource || nullptr == normalTextureResource->getTexture() ||
nullptr == specularTextureResource || nullptr == specularTextureResource->getTexture() ||
nullptr == emissiveTextureResource || nullptr == emissiveTextureResource->getTexture())
{
return;
}
// Get and check the renderer instance
Renderer::IRendererPtr renderer(getRenderer());
if (nullptr != renderer && nullptr != mPipelineState)
{
// Begin debug event
COMMAND_BEGIN_DEBUG_EVENT_FUNCTION(mCommandBuffer)
// Set the viewport and get the aspect ratio
float aspectRatio = 4.0f / 3.0f;
{
// Get the render target with and height
uint32_t width = 1;
uint32_t height = 1;
Renderer::IRenderTarget *renderTarget = renderer->getMainSwapChain();
if (nullptr != renderTarget)
{
renderTarget->getWidthAndHeight(width, height);
// Get the aspect ratio
aspectRatio = static_cast<float>(width) / height;
}
}
// Clear the color buffer of the current render target with gray, do also clear the depth buffer
Renderer::Command::Clear::create(mCommandBuffer, Renderer::ClearFlag::COLOR_DEPTH, Color4::GRAY, 1.0f, 0);
// Set the used graphics root signature
Renderer::Command::SetGraphicsRootSignature::create(mCommandBuffer, mRootSignature);
// Set sampler and textures
Renderer::Command::SetGraphicsRootDescriptorTable::create(mCommandBuffer, 0, mUniformBuffer);
Renderer::Command::SetGraphicsRootDescriptorTable::create(mCommandBuffer, 1, mSamplerState);
Renderer::Command::SetGraphicsRootDescriptorTable::create(mCommandBuffer, 2, diffuseTextureResource->getTexture());
Renderer::Command::SetGraphicsRootDescriptorTable::create(mCommandBuffer, 3, normalTextureResource->getTexture());
Renderer::Command::SetGraphicsRootDescriptorTable::create(mCommandBuffer, 4, specularTextureResource->getTexture());
Renderer::Command::SetGraphicsRootDescriptorTable::create(mCommandBuffer, 5, emissiveTextureResource->getTexture());
// Set the used pipeline state object (PSO)
Renderer::Command::SetPipelineState::create(mCommandBuffer, mPipelineState);
{ // Set uniform
// Calculate the object space to clip space matrix
const glm::mat4 viewSpaceToClipSpace = glm::perspective(45.0f, aspectRatio, 0.1f, 100.f);
const glm::mat4 viewTranslate = glm::translate(glm::mat4(1.0f), glm::vec3(0.0f, -7.0f, -25.0f));
const glm::mat4 worldSpaceToViewSpace = glm::rotate(viewTranslate, mGlobalTimer, glm::vec3(0.0f, 1.0f, 0.0f));
const glm::mat4 objectSpaceToWorldSpace = glm::scale(glm::mat4(1.0f), glm::vec3(0.5f));
glm::mat4 objectSpaceToViewSpace = worldSpaceToViewSpace * objectSpaceToWorldSpace;
const glm::mat4 objectSpaceToClipSpace = viewSpaceToClipSpace * objectSpaceToViewSpace;
// Upload the uniform data
// -> Two versions: One using an uniform buffer and one setting an individual uniform
if (nullptr != mUniformBuffer)
{
struct UniformBlockDynamicVs
{
float objectSpaceToClipSpaceMatrix[4 * 4]; // Object space to clip space matrix
float objectSpaceToViewSpaceMatrix[4 * 4]; // Object space to view space matrix
};
UniformBlockDynamicVs uniformBlockDynamicVS;
memcpy(uniformBlockDynamicVS.objectSpaceToClipSpaceMatrix, glm::value_ptr(objectSpaceToClipSpace), sizeof(float) * 4 * 4);
// TODO(co) float3x3 (currently there are alignment issues when using Direct3D, have a look into possible solutions)
glm::mat3 objectSpaceToViewSpace3x3 = glm::mat3(objectSpaceToViewSpace);
objectSpaceToViewSpace = glm::mat4(objectSpaceToViewSpace3x3);
memcpy(uniformBlockDynamicVS.objectSpaceToViewSpaceMatrix, glm::value_ptr(objectSpaceToViewSpace), sizeof(float) * 4 * 4);
// Copy data
Renderer::Command::CopyUniformBufferData::create(mCommandBuffer, mUniformBuffer, sizeof(UniformBlockDynamicVs), &uniformBlockDynamicVS);
}
else
{
// TODO(co) Not compatible with command buffer: This certainly is going to be removed, we need to implement internal uniform buffer emulation
// Set uniforms
mProgram->setUniformMatrix4fv(mObjectSpaceToClipSpaceMatrixUniformHandle, glm::value_ptr(objectSpaceToClipSpace));
mProgram->setUniformMatrix3fv(mObjectSpaceToViewSpaceMatrixUniformHandle, glm::value_ptr(glm::mat3(objectSpaceToViewSpace)));
}
}
{ // Draw mesh instance
const RendererRuntime::MeshResource* meshResource = rendererRuntime->getMeshResourceManager().getMeshResources().tryGetElementById(mMeshResourceId);
if (nullptr != meshResource)
{
{ // Setup input assembly (IA)
// Set the used vertex array
Renderer::Command::SetVertexArray::create(mCommandBuffer, meshResource->getVertexArrayPtr());
// Set the primitive topology used for draw calls
Renderer::Command::SetPrimitiveTopology::create(mCommandBuffer, Renderer::PrimitiveTopology::TRIANGLE_LIST);
}
// Render the specified geometric primitive, based on indexing into an array of vertices
Renderer::Command::DrawIndexed::create(mCommandBuffer, meshResource->getNumberOfIndices());
}
}
// End debug event
COMMAND_END_DEBUG_EVENT(mCommandBuffer)
// Submit command buffer to the renderer backend
mCommandBuffer.submitAndClear(*renderer);
}