/**
* For GL_EXT_separate_shader_objects
*/
void GLAPIENTRY
_mesa_UseShaderProgramEXT(GLenum type, GLuint program)
{
GET_CURRENT_CONTEXT(ctx);
struct gl_shader_program *shProg = NULL;
ASSERT_OUTSIDE_BEGIN_END(ctx);
if (!validate_shader_target(ctx, type)) {
_mesa_error(ctx, GL_INVALID_ENUM, "glUseShaderProgramEXT(type)");
return;
}
if (ctx->TransformFeedback.CurrentObject->Active &&
!ctx->TransformFeedback.CurrentObject->Paused) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glUseShaderProgramEXT(transform feedback is active)");
return;
}
if (program) {
shProg = _mesa_lookup_shader_program_err(ctx, program,
"glUseShaderProgramEXT");
if (shProg == NULL)
return;
if (!shProg->LinkStatus) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glUseShaderProgramEXT(program not linked)");
return;
}
}
_mesa_use_shader_program(ctx, type, shProg);
}
/**
* For GL_EXT_separate_shader_objects
*/
void GLAPIENTRY
_mesa_UseShaderProgramEXT(GLenum type, GLuint program)
{
GET_CURRENT_CONTEXT(ctx);
struct gl_shader_program *shProg = NULL;
if (!validate_shader_target(ctx, type)) {
_mesa_error(ctx, GL_INVALID_ENUM, "glUseShaderProgramEXT(type)");
return;
}
if (_mesa_is_xfb_active_and_unpaused(ctx)) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glUseShaderProgramEXT(transform feedback is active)");
return;
}
if (program) {
shProg = _mesa_lookup_shader_program_err(ctx, program,
"glUseShaderProgramEXT");
if (shProg == NULL)
return;
if (!shProg->LinkStatus) {
_mesa_error(ctx, GL_INVALID_OPERATION,
"glUseShaderProgramEXT(program not linked)");
return;
}
}
_mesa_use_shader_program(ctx, type, shProg);
}
static GLuint
create_shader(struct gl_context *ctx, GLenum type)
{
struct gl_shader *sh;
GLuint name;
if (!validate_shader_target(ctx, type)) {
_mesa_error(ctx, GL_INVALID_ENUM, "CreateShader(type)");
return 0;
}
name = _mesa_HashFindFreeKeyBlock(ctx->Shared->ShaderObjects, 1);
sh = ctx->Driver.NewShader(ctx, name, type);
_mesa_HashInsert(ctx->Shared->ShaderObjects, name, sh);
return name;
}
