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/*
** Copyright 2007, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
#define LOG_TAG "GLES_CM"
#include <ctype.h>
#include <string.h>
#include <errno.h>
#include <sys/ioctl.h>
#include <GLES/gl.h>
#include <GLES/glext.h>
#include <cutils/log.h>
#include <cutils/properties.h>
#include "hooks.h"
using namespace android;
// ----------------------------------------------------------------------------
// extensions for the framework
// ----------------------------------------------------------------------------
void glColorPointerBounds(GLint size, GLenum type, GLsizei stride,
const GLvoid *ptr, GLsizei count) {
glColorPointer(size, type, stride, ptr);
}
void glNormalPointerBounds(GLenum type, GLsizei stride,
const GLvoid *pointer, GLsizei count) {
glNormalPointer(type, stride, pointer);
}
void glTexCoordPointerBounds(GLint size, GLenum type,
GLsizei stride, const GLvoid *pointer, GLsizei count) {
glTexCoordPointer(size, type, stride, pointer);
}
void glVertexPointerBounds(GLint size, GLenum type,
GLsizei stride, const GLvoid *pointer, GLsizei count) {
glVertexPointer(size, type, stride, pointer);
}
// ----------------------------------------------------------------------------
// Actual GL entry-points
// ----------------------------------------------------------------------------
#if GL_LOGGER
# include "gl_logger.h"
# define GL_LOGGER_IMPL(_x) _x
#else
# define GL_LOGGER_IMPL(_x)
#endif
#undef API_ENTRY
#undef CALL_GL_API
#undef CALL_GL_API_RETURN
#if USE_FAST_TLS_KEY
#define API_ENTRY(_api) __attribute__((naked)) _api
#define CALL_GL_API(_api, ...) \
asm volatile( \
"mov r12, #0xFFFF0FFF \n" \
"ldr r12, [r12, #-15] \n" \
"ldr r12, [r12, %[tls]] \n" \
"cmp r12, #0 \n" \
"ldrne pc, [r12, %[api]] \n" \
"bx lr \n" \
: \
: [tls] "J"(TLS_SLOT_OPENGL_API*4), \
[api] "J"(__builtin_offsetof(gl_hooks_t, gl._api)) \
: \
);
#define CALL_GL_API_RETURN(_api, ...) \
CALL_GL_API(_api, __VA_ARGS__) \
return 0; // placate gcc's warnings. never reached.
#else
#define API_ENTRY(_api) _api
#define CALL_GL_API(_api, ...) \
gl_hooks_t::gl_t const * const _c = &getGlThreadSpecific()->gl; \
GL_LOGGER_IMPL( log_##_api(__VA_ARGS__); ) \
_c->_api(__VA_ARGS__)
#define CALL_GL_API_RETURN(_api, ...) \
gl_hooks_t::gl_t const * const _c = &getGlThreadSpecific()->gl; \
GL_LOGGER_IMPL( log_##_api(__VA_ARGS__); ) \
return _c->_api(__VA_ARGS__)
#endif
extern "C" {
#include "gl_api.in"
}
#undef API_ENTRY
#undef CALL_GL_API
#undef CALL_GL_API_RETURN
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