67 lines
2.6 KiB
C++
67 lines
2.6 KiB
C++
#pragma once
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#include <mbgl/gl/context.hpp>
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#include <mbgl/gl/uniform_block_gl.hpp>
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#include <mbgl/gl/vertex_attribute_gl.hpp>
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#include <mbgl/shaders/shader_source.hpp>
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#include <mbgl/shaders/shader_program_base.hpp>
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#include <mbgl/shaders/gl/shader_info.hpp>
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#include <unordered_map>
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namespace mbgl {
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class ProgramParameters;
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namespace gl {
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class ShaderProgramGL final : public gfx::ShaderProgramBase {
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public:
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using SamplerLocationArray = std::array<std::optional<size_t>, shaders::maxTextureCountPerShader>;
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ShaderProgramGL(UniqueProgram&& glProgram_);
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ShaderProgramGL(UniqueProgram&&,
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UniformBlockArrayGL&& uniformBlocks,
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VertexAttributeArrayGL&& attributes,
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SamplerLocationArray&& samplerLocations);
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ShaderProgramGL(ShaderProgramGL&& other);
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~ShaderProgramGL() noexcept override = default;
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static constexpr std::string_view Name{"GenericGLShader"};
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const std::string_view typeName() const noexcept override { return Name; }
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static std::shared_ptr<ShaderProgramGL> create(Context&,
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const ProgramParameters& programParameters,
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const std::string_view firstAttribName,
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const std::vector<shaders::UniformBlockInfo>& uniformBlocksInfo,
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const std::vector<shaders::TextureInfo>& texturesInfo,
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const std::vector<shaders::AttributeInfo>& attributesInfo,
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const std::string& vertexSource,
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const std::string& fragmentSource,
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const std::string& additionalDefines = "") noexcept(false);
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std::optional<size_t> getSamplerLocation(const size_t id) const override;
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const gfx::UniformBlockArray& getUniformBlocks() const override { return uniformBlocks; }
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const gfx::VertexAttributeArray& getVertexAttributes() const override { return vertexAttributes; }
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const gfx::VertexAttributeArray& getInstanceAttributes() const override { return instanceAttributes; }
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ProgramID getGLProgramID() const { return glProgram; }
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protected:
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gfx::UniformBlockArray& mutableUniformBlocks() override { return uniformBlocks; }
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protected:
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UniqueProgram glProgram;
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UniformBlockArrayGL uniformBlocks;
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VertexAttributeArrayGL vertexAttributes;
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VertexAttributeArrayGL instanceAttributes;
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SamplerLocationArray samplerLocations;
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};
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} // namespace gl
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} // namespace mbgl
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