librw/tools/gl/glshader.cpp
2015-08-27 16:45:54 +02:00

64 lines
1.5 KiB
C++
Executable File

#include "rwtest.h"
namespace rw {
namespace gl {
GLint
linkProgram(GLint vertshader, GLint fragshader)
{
GLint success;
GLint len;
char *log;
GLint program = glCreateProgram();
assert(program != 0);
glBindAttribLocation(program, 0, "in_vertex");
glBindAttribLocation(program, 1, "in_texCoord");
glBindAttribLocation(program, 2, "in_normal");
glBindAttribLocation(program, 3, "in_color");
glBindAttribLocation(program, 4, "in_weight");
glBindAttribLocation(program, 5, "in_indices");
glBindAttribLocation(program, 6, "in_extraColor");
glAttachShader(program, vertshader);
glAttachShader(program, fragshader);
glLinkProgram(program);
glGetProgramiv(program, GL_LINK_STATUS, &success);
if(!success){
glGetProgramiv(program, GL_INFO_LOG_LENGTH, &len);
log = new char[len];
glGetProgramInfoLog(program, len, NULL, log);
fprintf(stderr, "Link Error: %s\n", log);
delete[] log;
glDeleteProgram(program);
return 0;
}
return program;
}
GLint
compileShader(const char **src, int count, int type)
{
GLint success;
GLint len;
char *log;
GLint shader = glCreateShader(type);
assert(shader != 0);
glShaderSource(shader, count, src, NULL);
glCompileShader(shader);
glGetShaderiv(shader, GL_COMPILE_STATUS, &success);
if(!success){
glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &len);
log = new char[len];
glGetShaderInfoLog(shader, len, NULL, log);
fprintf(stderr, "Shader Error: %s\n", log);
delete[] log;
glDeleteProgram(shader);
return 0;
}
return shader;
}
}
}