shader utility functions

1 files changed, 34 insertions, 0 deletions

diff --git a/progs/util/shaderutil.h b/progs/util/shaderutil.h
new file mode 100644
index 00000000000..cfb8c1f3b06
--- /dev/null
+++ b/progs/util/shaderutil.h
@@ -0,0 +1,34 @@
+#ifndef SHADER_UTIL_H
+#define SHADER_UTIL_H
+
+
+
+struct uniform_info
+{
+   const char *name;
+   GLuint size;
+   GLenum type;  /**< GL_FLOAT or GL_INT */
+   GLfloat value[4];
+   GLint location;  /**< filled in by InitUniforms() */
+};
+
+#define END_OF_UNIFORMS   { NULL, 0, GL_NONE, { 0, 0, 0, 0 }, -1 }
+
+
+extern GLboolean
+ShadersSupported(void);
+
+extern GLuint
+CompileShaderText(GLenum shaderType, const char *text);
+
+extern GLuint
+CompileShaderFile(GLenum shaderType, const char *filename);
+
+extern GLuint
+LinkShaders(GLuint vertShader, GLuint fragShader);
+
+extern void
+InitUniforms(GLuint program, struct uniform_info uniforms[]);
+
+
+#endif /* SHADER_UTIL_H */