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
19 #ifndef EGL_PRESERVED_RESOURCES
20 #define EGL_PRESERVED_RESOURCES 0x3030
21 #endif
22
23 // static
confAttrib(EGLint attrib)24 bool EglValidate::confAttrib(EGLint attrib) {
25 switch(attrib) {
26 case EGL_BUFFER_SIZE:
27 case EGL_RED_SIZE:
28 case EGL_GREEN_SIZE:
29 case EGL_BLUE_SIZE:
30 case EGL_ALPHA_SIZE:
31 case EGL_ALPHA_MASK_SIZE:
32 case EGL_BIND_TO_TEXTURE_RGB:
33 case EGL_BIND_TO_TEXTURE_RGBA:
34 case EGL_CONFIG_CAVEAT:
35 case EGL_CONFIG_ID:
36 case EGL_DEPTH_SIZE:
37 case EGL_LEVEL:
38 case EGL_LUMINANCE_SIZE:
39 case EGL_MAX_PBUFFER_WIDTH:
40 case EGL_MAX_PBUFFER_HEIGHT:
41 case EGL_MAX_PBUFFER_PIXELS:
42 case EGL_MAX_SWAP_INTERVAL:
43 case EGL_MIN_SWAP_INTERVAL:
44 case EGL_PRESERVED_RESOURCES:
45 case EGL_RENDERABLE_TYPE:
46 case EGL_NATIVE_RENDERABLE:
47 case EGL_NATIVE_VISUAL_ID:
48 case EGL_NATIVE_VISUAL_TYPE:
49 case EGL_SAMPLE_BUFFERS:
50 case EGL_SAMPLES:
51 case EGL_STENCIL_SIZE:
52 case EGL_SURFACE_TYPE:
53 case EGL_COLOR_BUFFER_TYPE:
54 case EGL_TRANSPARENT_TYPE:
55 case EGL_TRANSPARENT_RED_VALUE:
56 case EGL_TRANSPARENT_GREEN_VALUE:
57 case EGL_TRANSPARENT_BLUE_VALUE:
58 case EGL_RECORDABLE_ANDROID:
59 case EGL_CONFORMANT:
60 return true;
61 }
62 return false;
63 }
64
65 // static
noAttribs(const EGLint * attrib)66 bool EglValidate::noAttribs(const EGLint* attrib) {
67 return !attrib || attrib[0] == EGL_NONE ;
68 }
69
70 // static
pbufferAttribs(EGLint width,EGLint height,bool isTexFormatNoTex,bool isTexTargetNoTex)71 bool EglValidate::pbufferAttribs(EGLint width,
72 EGLint height,
73 bool isTexFormatNoTex,
74 bool isTexTargetNoTex) {
75 if(!isTexFormatNoTex) {
76 if (!(isPowerOf2(width) && isPowerOf2(height))) {
77 return false;
78 }
79 }
80 return isTexFormatNoTex == isTexTargetNoTex ;
81 }
82
83 // static
releaseContext(EGLContext ctx,EGLSurface s1,EGLSurface s2)84 bool EglValidate::releaseContext(EGLContext ctx,
85 EGLSurface s1,
86 EGLSurface s2) {
87 return (ctx == EGL_NO_CONTEXT) &&
88 (s1 == EGL_NO_SURFACE) &&
89 (s2 == EGL_NO_SURFACE);
90 }
91
92 // static
badContextMatch(EGLContext ctx,EGLSurface s1,EGLSurface s2)93 bool EglValidate::badContextMatch(EGLContext ctx,
94 EGLSurface s1,
95 EGLSurface s2) {
96 return (ctx != EGL_NO_CONTEXT)
97 ? (s1 == EGL_NO_SURFACE || s2 == EGL_NO_SURFACE)
98 : (s1 != EGL_NO_SURFACE || s2 != EGL_NO_SURFACE);
99 }
100
101 // static
surfaceTarget(EGLint target)102 bool EglValidate::surfaceTarget(EGLint target) {
103 return target == EGL_READ || target == EGL_DRAW;
104 }
105
106 // static
engine(EGLint engine)107 bool EglValidate::engine(EGLint engine) {
108 return engine == EGL_CORE_NATIVE_ENGINE;
109 }
110
111 // static
stringName(EGLint name)112 bool EglValidate::stringName(EGLint name) {
113 return name == EGL_VENDOR ||
114 name == EGL_VERSION ||
115 name == EGL_EXTENSIONS;
116 }
117
118 // static
supportedApi(EGLenum api)119 bool EglValidate::supportedApi(EGLenum api) {
120 return api == EGL_OPENGL_ES_API;
121 }
122