X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fprogram.cpp;h=f34133faf767b1e905f7706e1caae938f606c6a4;hb=5318aa4fd553be4ce0bc428e73592b787842cdea;hp=e0a685f15cb70a7bce1013bfcec44b1a725c600b;hpb=3f285d3f4fd0a6790bf1efa780284dc7ba2287a2;p=libs%2Fgl.git

diff --git a/source/program.cpp b/source/program.cpp
index e0a685f1..f34133fa 100644
--- a/source/program.cpp
+++ b/source/program.cpp
@@ -5,8 +5,10 @@ Copyright © 2007 Mikko Rasa, Mikkosoft Productions
 Distributed under the LGPL
 */
 
-#define GL_GLEXT_PROTOTYPES
-#include "error.h"
+#include "arb_shader_objects.h"
+#include "arb_vertex_shader.h"
+#include "except.h"
+#include "extension.h"
 #include "program.h"
 #include "shader.h"
 
@@ -16,16 +18,23 @@ namespace Msp {
 namespace GL {
 
 Program::Program():
-	id(glCreateProgram()),
 	del_shaders(false),
 	linked(false)
-{ }
+{
+	require_extension("GL_ARB_shader_objects");
+	require_extension("GL_ARB_vertex_shader");
+
+	id=glCreateProgramObjectARB();
+}
 
 Program::Program(const string &vert, const string &frag):
-	id(glCreateProgram()),
 	del_shaders(true),
 	linked(false)
 {
+	require_extension("GL_ARB_shader_objects");
+	require_extension("GL_ARB_vertex_shader");
+
+	id=glCreateProgramObjectARB();
 	attach_shader(*new Shader(VERTEX_SHADER, vert));
 	attach_shader(*new Shader(FRAGMENT_SHADER, frag));
 	link();
@@ -38,14 +47,14 @@ Program::~Program()
 		for(list<Shader *>::iterator i=shaders.begin(); i!=shaders.end(); ++i)
 			delete *i;
 	}
-	glDeleteProgram(id);
+	glDeleteObjectARB(id);
 }
 
 void Program::attach_shader(Shader &shader)
 {
 	if(find(shaders.begin(), shaders.end(), &shader)==shaders.end())
 	{
-		glAttachShader(id, shader.get_id());
+		glAttachObjectARB(id, shader.get_id());
 		shaders.push_back(&shader);
 	}
 }
@@ -56,7 +65,7 @@ void Program::detach_shader(Shader &shader)
 	if(i!=shaders.end())
 	{
 		shaders.erase(i, shaders.end());
-		glDetachShader(id, shader.get_id());
+		glDetachObjectARB(id, shader.get_id());
 	}
 }
 
@@ -67,7 +76,7 @@ void Program::set_del_shaders(bool ds)
 
 void Program::bind_attribute(int index, const string &name)
 {
-	glBindAttribLocation(id, index, name.c_str());
+	glBindAttribLocationARB(id, index, name.c_str());
 }
 
 bool Program::link()
@@ -76,7 +85,7 @@ bool Program::link()
 		if(!(*i)->get_compiled() && !(*i)->compile())
 			return false;
 
-	glLinkProgram(id);
+	glLinkProgramARB(id);
 	linked=get_param(GL_LINK_STATUS);
 	return linked;
 }
@@ -84,7 +93,7 @@ bool Program::link()
 int Program::get_param(GLenum param) const
 {
 	int value;
-	glGetProgramiv(id, param, &value);
+	glGetObjectParameterivARB(id, param, &value);
 	return value;
 }
 
@@ -92,7 +101,7 @@ string Program::get_info_log() const
 {
 	sizei len=get_param(GL_INFO_LOG_LENGTH);
 	char log[len+1];
-	glGetProgramInfoLog(id, len+1, reinterpret_cast<GLsizei *>(&len), log);
+	glGetInfoLogARB(id, len+1, reinterpret_cast<GLsizei *>(&len), log);
 	return string(log, len);
 }
 
@@ -101,49 +110,52 @@ void Program::bind()
 	if(!linked)
 		throw InvalidState("Program is not linked");
 
-	glUseProgram(id);
+	glUseProgramObjectARB(id);
 	cur_prog=this;
 }
 
 int Program::get_uniform_location(const string &n) const
 {
-	return glGetUniformLocation(id, n.c_str());
+	return glGetUniformLocationARB(id, n.c_str());
 }
 
 void Program::uniform(int i, int v)
 {
-	glUniform1i(i, v);
+	glUniform1iARB(i, v);
 }
 
 void Program::uniform(int i, float x)
 {
-	glUniform1f(i, x);
+	glUniform1fARB(i, x);
 }
 
 void Program::uniform(int i, float x, float y)
 {
-	glUniform2f(i, x, y);
+	glUniform2fARB(i, x, y);
 }
 
 void Program::uniform(int i, float x, float y, float z)
 {
-	glUniform3f(i, x, y, z);
+	glUniform3fARB(i, x, y, z);
 }
 
 void Program::uniform(int i, float x, float y, float z, float w)
 {
-	glUniform4f(i, x, y, z, w);
+	glUniform4fARB(i, x, y, z, w);
 }
 
 void Program::uniform_matrix4(int i, const float *v)
 {
-	glUniformMatrix4fv(i, 1, false, v);
+	glUniformMatrix4fvARB(i, 1, false, v);
 }
 
 void Program::unbind()
 {
-	glUseProgram(0);
-	cur_prog=0;
+	if(cur_prog)
+	{
+		glUseProgramObjectARB(0);
+		cur_prog=0;
+	}
 }
 
 void Program::maybe_bind()