92dc3fc52c
- Fix format (print/scanf) - Suppress unused argument warning messages (bonus) Change-Id: I05c7724d2aba6da1e82a86000e11f3a8fef4e728
183 lines
7.0 KiB
C++
183 lines
7.0 KiB
C++
/*
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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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#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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#include "../egl_impl.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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extern "C" {
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GL_API void GL_APIENTRY glColorPointerBounds(GLint size, GLenum type, GLsizei stride,
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const GLvoid *ptr, GLsizei count);
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GL_API void GL_APIENTRY glNormalPointerBounds(GLenum type, GLsizei stride,
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const GLvoid *pointer, GLsizei count);
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GL_API void GL_APIENTRY glTexCoordPointerBounds(GLint size, GLenum type,
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GLsizei stride, const GLvoid *pointer, GLsizei count);
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GL_API void GL_APIENTRY glVertexPointerBounds(GLint size, GLenum type,
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GLsizei stride, const GLvoid *pointer, GLsizei count);
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GL_API void GL_APIENTRY glPointSizePointerOESBounds(GLenum type,
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GLsizei stride, const GLvoid *pointer, GLsizei count);
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GL_API void GL_APIENTRY glMatrixIndexPointerOESBounds(GLint size, GLenum type,
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GLsizei stride, const GLvoid *pointer, GLsizei count);
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GL_API void GL_APIENTRY glWeightPointerOESBounds(GLint size, GLenum type,
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GLsizei stride, const GLvoid *pointer, GLsizei count);
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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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void GL_APIENTRY glPointSizePointerOESBounds(GLenum type,
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GLsizei stride, const GLvoid *pointer, GLsizei /*count*/) {
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glPointSizePointerOES(type, stride, pointer);
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}
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GL_API void GL_APIENTRY glMatrixIndexPointerOESBounds(GLint size, GLenum type,
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GLsizei stride, const GLvoid *pointer, GLsizei /*count*/) {
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glMatrixIndexPointerOES(size, type, stride, pointer);
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}
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GL_API void GL_APIENTRY glWeightPointerOESBounds(GLint size, GLenum type,
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GLsizei stride, const GLvoid *pointer, GLsizei /*count*/) {
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glWeightPointerOES(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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#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 defined(__arm__) && !USE_SLOW_BINDING
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#define GET_TLS(reg) "mrc p15, 0, " #reg ", c13, c0, 3 \n"
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#define API_ENTRY(_api) __attribute__((noinline)) _api
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#define CALL_GL_API(_api, ...) \
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asm volatile( \
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GET_TLS(r12) \
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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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: \
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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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#elif defined(__mips__) && !USE_SLOW_BINDING
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#define API_ENTRY(_api) __attribute__((noinline)) _api
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#define CALL_GL_API(_api, ...) \
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register unsigned int _t0 asm("t0"); \
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register unsigned int _fn asm("t1"); \
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register unsigned int _tls asm("v1"); \
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register unsigned int _v0 asm("v0"); \
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asm volatile( \
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".set push\n\t" \
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".set noreorder\n\t" \
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".set mips32r2\n\t" \
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"rdhwr %[tls], $29\n\t" \
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"lw %[t0], %[OPENGL_API](%[tls])\n\t" \
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"beqz %[t0], 1f\n\t" \
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" move %[fn], $ra\n\t" \
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"lw %[fn], %[API](%[t0])\n\t" \
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"movz %[fn], $ra, %[fn]\n\t" \
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"1:\n\t" \
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"j %[fn]\n\t" \
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" move %[v0], $0\n\t" \
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".set pop\n\t" \
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: [fn] "=c"(_fn), \
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[tls] "=&r"(_tls), \
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[t0] "=&r"(_t0), \
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[v0] "=&r"(_v0) \
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: [OPENGL_API] "I"(TLS_SLOT_OPENGL_API*4), \
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[API] "I"(__builtin_offsetof(gl_hooks_t, gl._api)) \
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: \
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);
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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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if (_c) return _c->_api(__VA_ARGS__);
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#endif
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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;
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extern "C" {
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#include "gl_api.in"
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#include "glext_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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/*
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* glGetString() is special because we expose some extensions in the wrapper
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*/
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extern "C" const GLubyte * __glGetString(GLenum name);
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const GLubyte * glGetString(GLenum name) {
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const GLubyte * ret = egl_get_string_for_current_context(name);
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if (ret == NULL) {
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gl_hooks_t::gl_t const * const _c = &getGlThreadSpecific()->gl;
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ret = _c->glGetString(name);
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}
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return ret;
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}
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