1/*
2 * Copyright (C) 2016 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
17#include "unwrap_gles.h"
18
19#include <EGL/egl.h>
20#include <EGL/eglext.h>
21#include <GLES/gl.h>
22#include <GLES/glext.h>
23#include <GLES2/gl2.h>
24#include <GLES2/gl2ext.h>
25#include <GLES3/gl3.h>
26#include <GLES3/gl31.h>
27#include <GLES3/gl32.h>
28
29#include <cutils/log.h>
30
31void assertNoGlErrors(const char* apicall) {
32    GLenum status = GL_NO_ERROR;
33    GLenum lastError = GL_NO_ERROR;
34    const char* lastErrorName = nullptr;
35    while ((status = glGetError()) != GL_NO_ERROR) {
36        lastError = status;
37        switch (status) {
38        case GL_INVALID_ENUM:
39            ALOGE("GL error:  GL_INVALID_ENUM");
40            lastErrorName = "GL_INVALID_ENUM";
41            break;
42        case GL_INVALID_VALUE:
43            ALOGE("GL error:  GL_INVALID_VALUE");
44            lastErrorName = "GL_INVALID_VALUE";
45            break;
46        case GL_INVALID_OPERATION:
47            ALOGE("GL error:  GL_INVALID_OPERATION");
48            lastErrorName = "GL_INVALID_OPERATION";
49            break;
50        case GL_OUT_OF_MEMORY:
51            ALOGE("GL error:  Out of memory!");
52            lastErrorName = "GL_OUT_OF_MEMORY";
53            break;
54        default:
55            ALOGE("GL error: 0x%x", status);
56            lastErrorName = "UNKNOWN";
57        }
58    }
59    LOG_ALWAYS_FATAL_IF(lastError != GL_NO_ERROR,
60            "%s error! %s (0x%x)", apicall, lastErrorName, lastError);
61}
62
63#define API_ENTRY(x) wrap_##x
64#define CALL_GL_API(x, ...) x(__VA_ARGS__); assertNoGlErrors(#x)
65#define CALL_GL_API_RETURN(x, ...) auto ret = x(__VA_ARGS__);\
66    assertNoGlErrors(#x);\
67    return ret
68
69extern "C" {
70#include <gl2_api.in>
71#include <gl2ext_api.in>
72
73// libGLESv2 handles these specially, so they are not in gl2_api.in
74
75void API_ENTRY(glGetBooleanv)(GLenum pname, GLboolean *data) {
76    CALL_GL_API(glGetBooleanv, pname, data);
77}
78void API_ENTRY(glGetFloatv)(GLenum pname, GLfloat *data) {
79    CALL_GL_API(glGetFloatv, pname, data);
80}
81void API_ENTRY(glGetIntegerv)(GLenum pname, GLint *data) {
82    CALL_GL_API(glGetIntegerv, pname, data);
83}
84const GLubyte * API_ENTRY(glGetString)(GLenum name) {
85    CALL_GL_API_RETURN(glGetString, name);
86}
87const GLubyte * API_ENTRY(glGetStringi)(GLenum name, GLuint index) {
88    CALL_GL_API_RETURN(glGetStringi, name, index);
89}
90void API_ENTRY(glGetInteger64v)(GLenum pname, GLint64 *data) {
91    CALL_GL_API(glGetInteger64v, pname, data);
92}
93}
94