X-Git-Url: https://git.sesse.net/?p=movit;a=blobdiff_plain;f=util.cpp;h=c18f00949d1e2d1bca75bd3945ac2fcbc82e6811;hp=b427625219964924db9a88a4f9336523abee7ac8;hb=a592c55caca0fb654bad4ec43b84c46abcee21c2;hpb=928743085b7f0f88b3e1b0e59e2d7ebec7816bd2

diff --git a/util.cpp b/util.cpp
index b427625..c18f009 100644
--- a/util.cpp
+++ b/util.cpp
@@ -1,5 +1,12 @@
-#include <math.h>
+#define GL_GLEXT_PROTOTYPES 1
+
+#include <stdio.h>
+#include <assert.h>
 
+#include <GL/gl.h>
+#include <GL/glext.h>
+
+#include <math.h>
 #include "util.h"
 
 void hsv2rgb(float h, float s, float v, float *r, float *g, float *b)
@@ -57,3 +64,27 @@ std::string read_file(const std::string &filename)
 
 	return std::string(buf, len);
 }
+
+GLhandleARB compile_shader(const std::string &shader_src, GLenum type)
+{
+	GLhandleARB obj = glCreateShaderObjectARB(type);
+	const GLchar* source[] = { shader_src.data() };
+	const GLint length[] = { shader_src.size() };
+	glShaderSource(obj, 1, source, length);
+	glCompileShader(obj);
+
+	GLchar info_log[4096];
+	GLsizei log_length = sizeof(info_log) - 1;
+	glGetShaderInfoLog(obj, log_length, &log_length, info_log);
+	info_log[log_length] = 0; 
+	printf("shader compile log: %s\n", info_log);
+
+	GLint status;
+	glGetShaderiv(obj, GL_COMPILE_STATUS, &status);
+	if (status == GL_FALSE) {
+		exit(1);
+	}
+
+	return obj;
+}
+