1/*
2 * Copyright 2011 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8#include "GrGLGLSL.h"
9#include "GrGLContext.h"
10#include "GrGLUtil.h"
11#include "SkString.h"
12
13bool GrGLGetGLSLGeneration(const GrGLInterface* gl, GrGLSLGeneration* generation) {
14    SkASSERT(generation);
15    GrGLSLVersion ver = GrGLGetGLSLVersion(gl);
16    if (GR_GLSL_INVALID_VER == ver) {
17        return false;
18    }
19    switch (gl->fStandard) {
20        case kGL_GrGLStandard:
21            SkASSERT(ver >= GR_GLSL_VER(1,10));
22            if (ver >= GR_GLSL_VER(4,00)) {
23                *generation = k400_GrGLSLGeneration;
24            } else if (ver >= GR_GLSL_VER(3,30)) {
25                *generation = k330_GrGLSLGeneration;
26            } else if (ver >= GR_GLSL_VER(1,50)) {
27                *generation = k150_GrGLSLGeneration;
28            } else if (ver >= GR_GLSL_VER(1,40)) {
29                *generation = k140_GrGLSLGeneration;
30            } else if (ver >= GR_GLSL_VER(1,30)) {
31                *generation = k130_GrGLSLGeneration;
32            } else {
33                *generation = k110_GrGLSLGeneration;
34            }
35            return true;
36        case kGLES_GrGLStandard:
37            SkASSERT(ver >= GR_GL_VER(1,00));
38            if (ver >= GR_GLSL_VER(3,20)) {
39                *generation = k320es_GrGLSLGeneration;
40            } else if (ver >= GR_GLSL_VER(3,10)) {
41                *generation = k310es_GrGLSLGeneration;
42            } else if (ver >= GR_GLSL_VER(3,00)) {
43                *generation = k330_GrGLSLGeneration;
44            } else {
45                *generation = k110_GrGLSLGeneration;
46            }
47            return true;
48        default:
49            SkFAIL("Unknown GL Standard");
50            return false;
51    }
52}
53
54