1 /*
2 * Copyright (C) 2011 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16 #include "EglValidate.h"
17 #include <GLcommon/GLutils.h>
18
confAttrib(EGLint attrib)19 bool EglValidate::confAttrib(EGLint attrib) {
20 switch(attrib) {
21 case EGL_BUFFER_SIZE:
22 case EGL_RED_SIZE:
23 case EGL_GREEN_SIZE:
24 case EGL_BLUE_SIZE:
25 case EGL_ALPHA_SIZE:
26 case EGL_BIND_TO_TEXTURE_RGB:
27 case EGL_BIND_TO_TEXTURE_RGBA:
28 case EGL_CONFIG_CAVEAT:
29 case EGL_CONFIG_ID:
30 case EGL_DEPTH_SIZE:
31 case EGL_LEVEL:
32 case EGL_MAX_PBUFFER_WIDTH:
33 case EGL_MAX_PBUFFER_HEIGHT:
34 case EGL_MAX_PBUFFER_PIXELS:
35 case EGL_MAX_SWAP_INTERVAL:
36 case EGL_MIN_SWAP_INTERVAL:
37 case EGL_RENDERABLE_TYPE:
38 case EGL_NATIVE_RENDERABLE:
39 case EGL_NATIVE_VISUAL_ID:
40 case EGL_NATIVE_VISUAL_TYPE:
41 case EGL_SAMPLE_BUFFERS:
42 case EGL_SAMPLES:
43 case EGL_STENCIL_SIZE:
44 case EGL_SURFACE_TYPE:
45 case EGL_TRANSPARENT_TYPE:
46 case EGL_TRANSPARENT_RED_VALUE:
47 case EGL_TRANSPARENT_GREEN_VALUE:
48 case EGL_TRANSPARENT_BLUE_VALUE:
49 case EGL_CONFORMANT:
50 return true;
51 }
52 return false;
53 }
54
noAttribs(const EGLint * attrib)55 bool EglValidate::noAttribs(const EGLint* attrib) {
56 return !attrib || attrib[0] == EGL_NONE ;
57 }
58
pbufferAttribs(EGLint width,EGLint height,bool isTexFormatNoTex,bool isTexTargetNoTex)59 bool EglValidate::pbufferAttribs(EGLint width,EGLint height,bool isTexFormatNoTex,bool isTexTargetNoTex) {
60 if(!isTexFormatNoTex) {
61 if (!(isPowerOf2(width) && isPowerOf2(height))) return false;
62 }
63 return isTexFormatNoTex == isTexTargetNoTex ;
64 }
65
releaseContext(EGLContext ctx,EGLSurface s1,EGLSurface s2)66 bool EglValidate::releaseContext(EGLContext ctx,EGLSurface s1,EGLSurface s2) {
67 return (ctx == EGL_NO_CONTEXT) &&
68 (s1 == EGL_NO_SURFACE) &&
69 (s2 == EGL_NO_SURFACE);
70 }
71
badContextMatch(EGLContext ctx,EGLSurface s1,EGLSurface s2)72 bool EglValidate::badContextMatch(EGLContext ctx,EGLSurface s1,EGLSurface s2) {
73 return ctx != EGL_NO_CONTEXT ? (s1 == EGL_NO_SURFACE || s2 == EGL_NO_SURFACE):
74 (s1 != EGL_NO_SURFACE || s2 != EGL_NO_SURFACE);
75 }
76
surfaceTarget(EGLint target)77 bool EglValidate::surfaceTarget(EGLint target) {
78 return target == EGL_READ || target == EGL_DRAW;
79 }
80
engine(EGLint engine)81 bool EglValidate::engine(EGLint engine) {
82 return engine == EGL_CORE_NATIVE_ENGINE;
83 }
84
stringName(EGLint name)85 bool EglValidate::stringName(EGLint name) {
86 return name == EGL_VENDOR ||
87 name == EGL_VERSION ||
88 name == EGL_EXTENSIONS;
89 }
90
supportedApi(EGLenum api)91 bool EglValidate::supportedApi(EGLenum api) {
92 return api == EGL_OPENGL_ES_API;
93 }
94