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