X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;ds=sidebyside;f=source%2Fprogram.cpp;h=50ebed22899d57fae6d21518fdce048084b7062b;hb=47af19a447e6c13257ca2d0aef606ea45f8a0d98;hp=111cf64b1d31886e3d33cf831d89c01642a18a6e;hpb=ee377487a2853046085e91fa41c62ea42066d168;p=libs%2Fgl.git

diff --git a/source/program.cpp b/source/program.cpp
index 111cf64b..50ebed22 100644
--- a/source/program.cpp
+++ b/source/program.cpp
@@ -5,9 +5,11 @@
 #include <msp/gl/extensions/arb_shader_objects.h>
 #include <msp/gl/extensions/arb_uniform_buffer_object.h>
 #include <msp/gl/extensions/arb_vertex_shader.h>
+#include <msp/gl/extensions/ext_gpu_shader4.h>
 #include <msp/strings/format.h>
 #include "buffer.h"
 #include "error.h"
+#include "misc.h"
 #include "program.h"
 #include "shader.h"
 
@@ -87,6 +89,17 @@ void Program::bind_attribute(unsigned index, const string &name)
 	glBindAttribLocation(id, index, name.c_str());
 }
 
+void Program::bind_attribute(VertexComponent comp, const string &name)
+{
+	bind_attribute(get_component_type(comp), name);
+}
+
+void Program::bind_fragment_data(unsigned index, const string &name)
+{
+	static Require _req(EXT_gpu_shader4);
+	glBindFragDataLocation(id, index, name.c_str());
+}
+
 void Program::link()
 {
 	for(ShaderList::iterator i=shaders.begin(); i!=shaders.end(); ++i)
@@ -94,17 +107,16 @@ void Program::link()
 			(*i)->compile();
 
 	uniforms.clear();
+	legacy_vars = false;
 
 	glLinkProgram(id);
-	int value;
-	glGetProgramiv(id, GL_LINK_STATUS, &value);
-	if(!(linked = value))
+	linked = get_program_i(id, GL_LINK_STATUS);
+	if(!linked)
 		throw compile_error(get_info_log());
 
-	int count;
-	glGetProgramiv(id, GL_ACTIVE_UNIFORMS, &count);
+	unsigned count = get_program_i(id, GL_ACTIVE_UNIFORMS);
 	vector<UniformInfo *> uniforms_by_index(count);
-	for(int i=0; i<count; ++i)
+	for(unsigned i=0; i<count; ++i)
 	{
 		char name[128];
 		int len = 0;
@@ -127,12 +139,26 @@ void Program::link()
 			info.type = type;
 			uniforms_by_index[i] = &info;
 		}
+		else
+			legacy_vars = true;
+	}
+
+	count = get_program_i(id, GL_ACTIVE_ATTRIBUTES);
+	for(unsigned i=0; i<count; ++i)
+	{
+		char name[128];
+		int len = 0;
+		int size;
+		GLenum type;
+		glGetActiveAttrib(id, i, sizeof(name), &len, &size, &type, name);
+		if(len && !strncmp(name, "gl_", 3))
+			legacy_vars = true;
 	}
 
 	if(ARB_uniform_buffer_object)
 	{
-		glGetProgramiv(id, GL_ACTIVE_UNIFORM_BLOCKS, &count);
-		for(int i=0; i<count; ++i)
+		count = get_program_i(id, GL_ACTIVE_UNIFORM_BLOCKS);
+		for(unsigned i=0; i<count; ++i)
 		{
 			char name[128];
 			int len;
@@ -140,6 +166,7 @@ void Program::link()
 			UniformBlockInfo &info = uniform_blocks[name];
 			info.name = name;
 
+			int value;
 			glGetActiveUniformBlockiv(id, i, GL_UNIFORM_BLOCK_DATA_SIZE, &value);
 			info.data_size = value;
 
@@ -220,8 +247,7 @@ bool Program::uniform_location_compare(const UniformInfo *uni1, const UniformInf
 
 string Program::get_info_log() const
 {
-	GLsizei len = 0;
-	glGetProgramiv(id, GL_INFO_LOG_LENGTH, &len);
+	GLsizei len = get_program_i(id, GL_INFO_LOG_LENGTH);
 	char *buf = new char[len+1];
 	glGetProgramInfoLog(id, len+1, &len, buf);
 	string log(buf, len);