0.1 Graph cube

src/shader.c

@@ -0,0 +1,67 @@
+#define GL_GLEXT_PROTOTYPES
+#include <GL/gl.h>
+#include "main.h"
+
+#define NULL ((void*)0)
+
+void destroy_shader( unsigned int shader )
+{ 
+	return glDeleteProgram( shader );
+}
+
+unsigned int create_shader( void )
+{
+	return glCreateProgram();
+}
+
+void use_shader( unsigned int program )
+{
+	return glUseProgram( program );
+}
+
+unsigned char gload_program( unsigned int program, const char * src, 
+	unsigned int i )
+{
+	int shader, status;
+	unsigned int type[] = 
+	{
+		[VERTEX]=GL_VERTEX_SHADER,
+		[FRAGMENT]=GL_FRAGMENT_SHADER 
+	};
+
+
+	if( !src )
+		return 0;
+
+	shader = glCreateShader(type[i]);
+	glShaderSource( shader, 1, (const GLchar **)&src, NULL);
+	glCompileShader(shader);
+	glGetShaderiv( shader, GL_COMPILE_STATUS, &status );
+
+
+	if( !status )
+	{
+#ifdef DEBUG
+		char log[256];
+		glGetShaderInfoLog( shader, 256, NULL, log );
+#endif
+		return 0;
+	}
+
+	glAttachShader(program, shader);
+	glDeleteShader(shader);
+	glLinkProgram(program);
+	return 1;
+}
+
+void gload_float( unsigned int program, char * var, float f )
+{
+	glUseProgram( program );
+	glUniform1f( glGetUniformLocation( program, var ), f ); 
+}
+
+void gload_mat4( unsigned int program, char * var, float * mat )
+{
+	glUseProgram( program );
+	glUniformMatrix4fv( glGetUniformLocation( program, var ), 1, 0, mat ); 
+}