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add: missing vertex attributes

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This commit is contained in:
Samuliak 2024-07-02 11:28:18 +02:00
parent c93b1fa606
commit 4b00041748
2 changed files with 48 additions and 2 deletions
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44
src/core/renderer_mtl/renderer_mtl.cpp
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@ -106,17 +106,57 @@ void RendererMTL::initGraphicsContext(SDL_Window* window) {
auto* drawColorAttachment = drawPipelineDescriptor->colorAttachments()->object(0);
drawColorAttachment->setPixelFormat(topScreenTexture->pixelFormat());
// Vertex descriptor
// TODO: add all attributes
// -------- Vertex descriptor --------
MTL::VertexDescriptor* vertexDescriptor = MTL::VertexDescriptor::alloc()->init();
// Position
MTL::VertexAttributeDescriptor* positionAttribute = vertexDescriptor->attributes()->object(0);
positionAttribute->setFormat(MTL::VertexFormatFloat4);
positionAttribute->setOffset(offsetof(Vertex, s.positions));
positionAttribute->setBufferIndex(VERTEX_BUFFER_BINDING_INDEX);
// Quaternion
MTL::VertexAttributeDescriptor* quaternionAttribute = vertexDescriptor->attributes()->object(1);
quaternionAttribute->setFormat(MTL::VertexFormatFloat4);
quaternionAttribute->setOffset(offsetof(Vertex, s.quaternion));
quaternionAttribute->setBufferIndex(VERTEX_BUFFER_BINDING_INDEX);
// Color
MTL::VertexAttributeDescriptor* colorAttribute = vertexDescriptor->attributes()->object(2);
colorAttribute->setFormat(MTL::VertexFormatFloat4);
colorAttribute->setOffset(offsetof(Vertex, s.colour));
colorAttribute->setBufferIndex(VERTEX_BUFFER_BINDING_INDEX);
// Texture coordinate 0
MTL::VertexAttributeDescriptor* texCoord0Attribute = vertexDescriptor->attributes()->object(3);
texCoord0Attribute->setFormat(MTL::VertexFormatFloat2);
texCoord0Attribute->setOffset(offsetof(Vertex, s.texcoord0));
texCoord0Attribute->setBufferIndex(VERTEX_BUFFER_BINDING_INDEX);
// Texture coordinate 1
MTL::VertexAttributeDescriptor* texCoord1Attribute = vertexDescriptor->attributes()->object(4);
texCoord1Attribute->setFormat(MTL::VertexFormatFloat2);
texCoord1Attribute->setOffset(offsetof(Vertex, s.texcoord1));
texCoord1Attribute->setBufferIndex(VERTEX_BUFFER_BINDING_INDEX);
// Texture coordinate 0 W
MTL::VertexAttributeDescriptor* texCoord0WAttribute = vertexDescriptor->attributes()->object(5);
texCoord0WAttribute->setFormat(MTL::VertexFormatFloat);
texCoord0WAttribute->setOffset(offsetof(Vertex, s.texcoord0_w));
texCoord0WAttribute->setBufferIndex(VERTEX_BUFFER_BINDING_INDEX);
// View
MTL::VertexAttributeDescriptor* viewAttribute = vertexDescriptor->attributes()->object(6);
viewAttribute->setFormat(MTL::VertexFormatFloat3);
viewAttribute->setOffset(offsetof(Vertex, s.view));
viewAttribute->setBufferIndex(VERTEX_BUFFER_BINDING_INDEX);
// Texture coordinate 2
MTL::VertexAttributeDescriptor* texCoord2Attribute = vertexDescriptor->attributes()->object(7);
texCoord2Attribute->setFormat(MTL::VertexFormatFloat2);
texCoord2Attribute->setOffset(offsetof(Vertex, s.texcoord2));
texCoord2Attribute->setBufferIndex(VERTEX_BUFFER_BINDING_INDEX);
MTL::VertexBufferLayoutDescriptor* vertexBufferLayout = vertexDescriptor->layouts()->object(VERTEX_BUFFER_BINDING_INDEX);
vertexBufferLayout->setStride(sizeof(Vertex));
vertexBufferLayout->setStepFunction(MTL::VertexStepFunctionPerVertex);

6
src/host_shaders/metal_shaders.metal
View file

@ -20,7 +20,13 @@ fragment float4 fragmentDisplay(DisplayVertexOut in [[stage_in]], texture2d<floa
struct DrawVertexIn {
float4 position [[attribute(0)]];
float4 quaternion [[attribute(1)]];
float4 color [[attribute(2)]];
float2 texCoord0 [[attribute(3)]];
float2 texCoord1 [[attribute(4)]];
float texCoord0W [[attribute(5)]];
float3 view [[attribute(6)]];
float2 texCoord2 [[attribute(7)]];
};
struct DrawVertexOut {