78 lines
1.3 KiB
C++
78 lines
1.3 KiB
C++
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#pragma once
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#include <assets/shader.hpp>
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#include <math/vec3.hpp>
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#include <memory/reference.hpp>
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namespace lt::renderer::components {
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enum class VertexFormat : uint8_t
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{
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r32_g32_b32_sfloat,
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r32_g32_sfloat,
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};
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enum class VertexInputRate : uint8_t
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{
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per_vertex,
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per_instance,
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};
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struct VertexInputAttributeDescriptipn
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{
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uint32_t location;
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uint32_t binding;
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uint32_t offset;
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VertexFormat format;
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};
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struct VertexInputBindingDescription
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{
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uint32_t binding;
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uint32_t stride;
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};
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/** Requires a math::components::Transform component on the same entity to be functional. */
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struct Sprite
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{
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struct Vertex
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{
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math::vec3 position;
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math::vec3 color;
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[[nodiscard]] constexpr static auto get_attributes()
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-> std::array<VertexInputAttributeDescriptipn, 2>
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{
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return {
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VertexInputAttributeDescriptipn {
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.location = 0u,
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.binding = 0u,
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.offset = offsetof(Sprite::Vertex, position),
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.format = VertexFormat::r32_g32_b32_sfloat,
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},
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VertexInputAttributeDescriptipn {
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.location = 1u,
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.binding = 0u,
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.offset = offsetof(Sprite::Vertex, color),
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.format = VertexFormat::r32_g32_b32_sfloat,
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},
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};
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}
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};
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memory::Ref<assets::ShaderAsset> vertex_shader;
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memory::Ref<assets::ShaderAsset> fragment_shader;
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};
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} // namespace lt::renderer::components
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