void RayTracerMaterial::createVertexBuffer(ID3D11Device * device, const Mesh& mesh, ID3D11Buffer** vertexBuffers)const
{
const std::vector<XMFLOAT3>& sourceVertices = mesh.vertices();
std::vector<XMFLOAT3>* textureCoordinates = mesh.textureCoords().at(0);
assert(textureCoordinates->size() == sourceVertices.size());
std::vector<VertexPositionTexture> vertices;
vertices.reserve(sourceVertices.size());
for (UINT i = 0; i < sourceVertices.size(); i++)
{
XMFLOAT3 position = sourceVertices.at(i);
XMFLOAT3 uv = textureCoordinates->at(i);
vertices.push_back(VertexPositionTexture(XMFLOAT4(position.x, position.y, position.z, 1.0f), XMFLOAT2(uv.x, uv.y)));
}
createVertexBuffer(device, &vertices[0], vertices.size(), vertexBuffers);
}
PostProcessRenderer::PostProcessRenderer(GraphicsContext& graphicsContext)
: _graphicsContext(graphicsContext), _quadVertexBuffer(graphicsContext.CreateVertexBuffer(BufferType::Static))
{
static const VertexPositionTexture quadVertices[6]
{
VertexPositionTexture(Vector3f(-1, 1, 0), Vector2f::UnitY),
VertexPositionTexture(Vector3f(-1, -1, 0), Vector2f::Zero),
VertexPositionTexture(Vector3f(1, -1, 0), Vector2f::UnitX),
VertexPositionTexture(Vector3f(-1, 1, 0), Vector2f::UnitY),
VertexPositionTexture(Vector3f(1, -1, 0), Vector2f::UnitX),
VertexPositionTexture(Vector3f(1, 1, 0), Vector2f::One),
};
_quadVertexBuffer->SetVertexData(quadVertices, Array::Length(quadVertices));
_currentRenderTarget = _graphicsContext.CreateRenderTarget(1920, 1080, DepthBufferFormat::Depth24Stencil8);
_backgroundRenderTarget = _graphicsContext.CreateRenderTarget(1920, 1080, DepthBufferFormat::Depth24Stencil8);
static const std::string VertexShader = R"XXX(
#version 330 core
layout(location = 0) in vec3 vertexPosition;
layout(location = 2) in vec2 vertexUV;
out vec2 fragmentUV;
void main(){
gl_Position = vec4(vertexPosition, 1);
fragmentUV = vertexUV;
})XXX";
static const std::string FragmentShader = R"XXX(
#version 330 core
in vec2 fragmentUV;
out vec4 color;
uniform sampler2D TextureSampler;
void main() {
color = texture2D(TextureSampler, fragmentUV);
})XXX";