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use location numbers for vertex input attributes, instead of name-based binding.

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- add 'location' named field to buffer and mesh vertex format tables, replaces 'name' field.
- location numbers are expected to match 'layout (location = #)' qualifiers in vertex inputs in shader code.
- deprecate vertex inputs in shader code that don't have layout location qualifiers.
- love's default vertex attributes use location 0 for position, 1 for texcoord, and 2 for color.
- add new variants of Mesh:attachAttribute, setAttributeEnabled, and isAttributeEnabled which take location numbers instead of names.

Improves draw performance in vulkan and metal backends.
This commit is contained in:
Sasha Szpakowski
2024-09-07 18:06:03 -03:00
parent c7b4ebbc55
commit 50ff1e4d2b
31 changed files with 683 additions and 258 deletions
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src/modules/graphics/vulkan/Graphics.h
+3 -3
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@@ -256,7 +256,7 @@ public:
RendererInfo getRendererInfo() const override;
void draw(const DrawCommand &cmd) override;
void draw(const DrawIndexedCommand &cmd) override;
void drawQuads(int start, int count, const VertexAttributes &attributes, const BufferBindings &buffers, graphics::Texture *texture) override;
void drawQuads(int start, int count, VertexAttributesID attributesID, const BufferBindings &buffers, graphics::Texture *texture) override;
// internal functions.
@@ -276,7 +276,7 @@ public:
int getVsync() const;
void mapLocalUniformData(void *data, size_t size, VkDescriptorBufferInfo &bufferInfo);
VkPipeline createGraphicsPipeline(Shader *shader, const GraphicsPipelineConfiguration &configuration);
VkPipeline createGraphicsPipeline(Shader *shader, const GraphicsPipelineConfigurationCore &configuration, const GraphicsPipelineConfigurationNoDynamicState *noDynamicStateConfiguration);
uint32 getDeviceApiVersion() const { return deviceApiVersion; }
@@ -332,7 +332,7 @@ private:
std::vector<VkVertexInputBindingDescription> &bindingDescriptions,
std::vector<VkVertexInputAttributeDescription> &attributeDescriptions);
void prepareDraw(
const VertexAttributes &attributes,
VertexAttributesID attributesID,
const BufferBindings &buffers, graphics::Texture *texture,
PrimitiveType, CullMode);
void setRenderPass(const RenderTargets &rts, int pixelw, int pixelh, bool hasSRGBtexture);