diff options
-rw-r--r-- | gfx/gl/shader.cpp | 11 | ||||
-rw-r--r-- | gfx/gl/shader.h | 7 |
2 files changed, 16 insertions, 2 deletions
diff --git a/gfx/gl/shader.cpp b/gfx/gl/shader.cpp index 285c2c3..b57dcd4 100644 --- a/gfx/gl/shader.cpp +++ b/gfx/gl/shader.cpp @@ -10,7 +10,16 @@ Shader::compile() const auto source = [&shader](auto text, GLint len) { glShaderSource(shader, 1, &text, &len); }; - source(text.data(), static_cast<GLint>(text.length())); + if (lookups) { + std::basic_string<GLchar> textMod {text}; + for (const auto & match : ctre::range<R"(\bGL_[A-Z_]+\b)">(textMod)) { + textMod.replace(match.begin(), match.end(), "255"); + } + source(textMod.c_str(), static_cast<GLint>(textMod.length())); + } + else { + source(text.data(), static_cast<GLint>(text.length())); + } glCompileShader(shader); CheckShaderError(shader, GL_COMPILE_STATUS, false, "Error compiling shader!"); diff --git a/gfx/gl/shader.h b/gfx/gl/shader.h index cc1bbc0..c6b45af 100644 --- a/gfx/gl/shader.h +++ b/gfx/gl/shader.h @@ -3,12 +3,16 @@ #include <glRef.h> #include <glad/gl.h> #include <string_view> +#include <thirdparty/ctre/include/ctre.hpp> class Shader { public: using ShaderRef = glRef<GLuint, &glCreateShader, &glDeleteShader>; - constexpr Shader(const GLchar * text, GLuint type) : text {text}, type {type} { } + constexpr Shader(const GLchar * text, GLuint type) : + text {text}, type {type}, lookups {ctre::search<R"(\bGL_[A-Z_]+\b)">(this->text)} + { + } [[nodiscard]] ShaderRef compile() const; static void CheckShaderError(GLuint shader, GLuint flag, bool isProgram, std::string_view errorMessage); @@ -16,4 +20,5 @@ public: private: const std::basic_string_view<GLchar> text; GLuint type; + bool lookups; }; |