static void GLSL_ValidateProgram(GLhandleARB program)
{
GLint validated;
qglValidateProgramARB(program);
qglGetObjectParameterivARB(program, GL_OBJECT_VALIDATE_STATUS_ARB, &validated);
if(!validated)
{
GLSL_PrintInfoLog(program, qfalse);
ri.Printf(PRINT_ALL, "\n");
ri.Error(ERR_DROP, "shaders failed to validate");
}
}
static void GLSL_LinkProgram(GLhandleARB program)
{
GLint linked;
qglLinkProgramARB(program);
qglGetObjectParameterivARB(program, GL_OBJECT_LINK_STATUS_ARB, &linked);
if(!linked)
{
GLSL_PrintInfoLog(program, qfalse);
ri.Printf(PRINT_ALL, "\n");
ri.Error(ERR_DROP, "shaders failed to link");
}
}
static int GLSL_CompileGPUShader(GLhandleARB program, GLhandleARB *prevShader, const GLcharARB *buffer, int size, GLenum shaderType)
{
GLint compiled;
GLhandleARB shader;
shader = qglCreateShaderObjectARB(shaderType);
qglShaderSourceARB(shader, 1, (const GLcharARB **)&buffer, &size);
// compile shader
qglCompileShaderARB(shader);
// check if shader compiled
qglGetObjectParameterivARB(shader, GL_OBJECT_COMPILE_STATUS_ARB, &compiled);
if(!compiled)
{
GLSL_PrintShaderSource(shader);
GLSL_PrintInfoLog(shader, qfalse);
ri.Error(ERR_DROP, "Couldn't compile shader");
return 0;
}
//GLSL_PrintInfoLog(shader, qtrue);
//GLSL_PrintShaderSource(shader);
if (*prevShader)
{
qglDetachObjectARB(program, *prevShader);
qglDeleteObjectARB(*prevShader);
}
// attach shader to program
qglAttachObjectARB(program, shader);
*prevShader = shader;
return 1;
}
