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Diffstat (limited to 'opengl/libs/GLES_CM/gl.cpp')
| -rw-r--r-- | opengl/libs/GLES_CM/gl.cpp | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/opengl/libs/GLES_CM/gl.cpp b/opengl/libs/GLES_CM/gl.cpp new file mode 100644 index 0000000..865cf44 --- /dev/null +++ b/opengl/libs/GLES_CM/gl.cpp @@ -0,0 +1,116 @@ +/* + ** 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 + |