50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
#pragma once
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#ifndef GLSL_OPTIMIZER_H
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#define GLSL_OPTIMIZER_H
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/*
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Main GLSL optimizer interface.
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See ../../README.md for more instructions.
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General usage:
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ctx = glslopt_initialize();
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for (lots of shaders) {
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shader = glslopt_optimize (ctx, shaderType, shaderSource, options);
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if (glslopt_get_status (shader)) {
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newSource = glslopt_get_output (shader);
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} else {
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errorLog = glslopt_get_log (shader);
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}
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glslopt_shader_delete (shader);
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}
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glslopt_cleanup (ctx);
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*/
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struct glslopt_shader;
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struct glslopt_ctx;
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enum glslopt_shader_type {
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kGlslOptShaderVertex = 0,
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kGlslOptShaderFragment,
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};
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// Options flags for glsl_optimize
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enum glslopt_options {
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kGlslOptionSkipPreprocessor = (1<<0), // Skip preprocessing shader source. Saves some time if you know you don't need it.
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kGlslOptionNotFullShader = (1<<1), // Passed shader is not the full shader source. This makes some optimizations weaker.
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};
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glslopt_ctx* glslopt_initialize (bool openglES);
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void glslopt_cleanup (glslopt_ctx* ctx);
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glslopt_shader* glslopt_optimize (glslopt_ctx* ctx, glslopt_shader_type type, const char* shaderSource, unsigned options);
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bool glslopt_get_status (glslopt_shader* shader);
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const char* glslopt_get_output (glslopt_shader* shader);
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const char* glslopt_get_raw_output (glslopt_shader* shader);
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const char* glslopt_get_log (glslopt_shader* shader);
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void glslopt_shader_delete (glslopt_shader* shader);
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#endif /* GLSL_OPTIMIZER_H */
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