diff options
Diffstat (limited to 'src/graphic_shader.h')
-rw-r--r-- | src/graphic_shader.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/src/graphic_shader.h b/src/graphic_shader.h new file mode 100644 index 0000000..2dd8c41 --- /dev/null +++ b/src/graphic_shader.h @@ -0,0 +1,44 @@ +#include "util.h" + +class GraphicShader { +private: + const GLuint _id; + +public: + struct Guard { + const GLuint _id; + + Guard(GLuint id): _id(id) { + glUseProgram(_id); + } + ~Guard() { + glUseProgram(0); + } + }; + + Guard use() { + return Guard(_id); + } + + GraphicShader(const std::string& vertex, const std::string fragment): + _id(glCreateProgram()) { + glAttachShader(_id, util::compileShader(vertex, GL_VERTEX_SHADER)); + glAttachShader(_id, util::compileShader(fragment, GL_FRAGMENT_SHADER)); + glLinkProgram(_id); + }; + ~GraphicShader() { + glDeleteProgram(_id); + } + + GLuint setUniform(const std::string& name, int value) { + GLuint id = util::getUniform(_id, name); + glUniform1i(id, value); + return id; + } + + GLuint setUniform(const std::string& name, glm::mat4& M) { + GLuint id = util::getUniform(_id, name); + glUniformMatrix4fv(id, 1, GL_FALSE, &M[0][0]); + return id; + } +}; |