1544 lines
51 KiB
C++
1544 lines
51 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 "EGL"
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#include <assert.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#include <sys/types.h>
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#include <sys/mman.h>
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#include <cutils/log.h>
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#include <cutils/atomic.h>
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#include <utils/threads.h>
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#include <EGL/egl.h>
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#include <EGL/eglext.h>
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#include <GLES/gl.h>
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#include <GLES/glext.h>
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#include <pixelflinger/format.h>
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#include <pixelflinger/pixelflinger.h>
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#include "context.h"
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#include "state.h"
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#include "texture.h"
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#include "matrix.h"
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#undef NELEM
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#define NELEM(x) (sizeof(x)/sizeof(*(x)))
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// ----------------------------------------------------------------------------
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namespace android {
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// ----------------------------------------------------------------------------
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const unsigned int NUM_DISPLAYS = 1;
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static pthread_mutex_t gInitMutex = PTHREAD_MUTEX_INITIALIZER;
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static pthread_mutex_t gErrorKeyMutex = PTHREAD_MUTEX_INITIALIZER;
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static pthread_key_t gEGLErrorKey = -1;
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#ifndef HAVE_ANDROID_OS
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namespace gl {
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pthread_key_t gGLKey = -1;
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}; // namespace gl
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#endif
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template<typename T>
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static T setError(GLint error, T returnValue) {
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if (ggl_unlikely(gEGLErrorKey == -1)) {
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pthread_mutex_lock(&gErrorKeyMutex);
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if (gEGLErrorKey == -1)
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pthread_key_create(&gEGLErrorKey, NULL);
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pthread_mutex_unlock(&gErrorKeyMutex);
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}
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pthread_setspecific(gEGLErrorKey, (void*)error);
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return returnValue;
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}
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static GLint getError() {
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if (ggl_unlikely(gEGLErrorKey == -1))
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return EGL_SUCCESS;
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GLint error = (GLint)pthread_getspecific(gEGLErrorKey);
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pthread_setspecific(gEGLErrorKey, (void*)EGL_SUCCESS);
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return error;
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}
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// ----------------------------------------------------------------------------
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struct egl_display_t
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{
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egl_display_t() : type(0), initialized(0) { }
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static egl_display_t& get_display(EGLDisplay dpy);
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static EGLBoolean is_valid(EGLDisplay dpy) {
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return ((uintptr_t(dpy)-1U) >= NUM_DISPLAYS) ? EGL_FALSE : EGL_TRUE;
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}
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NativeDisplayType type;
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volatile int32_t initialized;
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};
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static egl_display_t gDisplays[NUM_DISPLAYS];
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egl_display_t& egl_display_t::get_display(EGLDisplay dpy) {
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return gDisplays[uintptr_t(dpy)-1U];
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}
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struct egl_context_t {
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enum {
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IS_CURRENT = 0x00010000,
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NEVER_CURRENT = 0x00020000
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};
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uint32_t flags;
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EGLDisplay dpy;
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EGLConfig config;
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EGLSurface read;
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EGLSurface draw;
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static inline egl_context_t* context(EGLContext ctx) {
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ogles_context_t* const gl = static_cast<ogles_context_t*>(ctx);
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return static_cast<egl_context_t*>(gl->rasterizer.base);
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}
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};
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// ----------------------------------------------------------------------------
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struct egl_surface_t
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{
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enum {
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PAGE_FLIP = 0x00000001,
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MAGIC = 0x31415265
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};
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uint32_t magic;
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EGLDisplay dpy;
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EGLConfig config;
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EGLContext ctx;
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egl_surface_t(EGLDisplay dpy, EGLConfig config, int32_t depthFormat);
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virtual ~egl_surface_t();
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virtual bool isValid() const = 0;
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virtual EGLBoolean bindDrawSurface(ogles_context_t* gl) = 0;
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virtual EGLBoolean bindReadSurface(ogles_context_t* gl) = 0;
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virtual EGLint getWidth() const = 0;
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virtual EGLint getHeight() const = 0;
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virtual void* getBits() const = 0;
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virtual EGLint getHorizontalResolution() const;
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virtual EGLint getVerticalResolution() const;
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virtual EGLint getRefreshRate() const;
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virtual EGLint getSwapBehavior() const;
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virtual EGLBoolean swapBuffers();
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protected:
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GGLSurface depth;
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};
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egl_surface_t::egl_surface_t(EGLDisplay dpy,
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EGLConfig config,
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int32_t depthFormat)
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: magic(MAGIC), dpy(dpy), config(config), ctx(0)
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{
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depth.version = sizeof(GGLSurface);
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depth.data = 0;
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depth.format = depthFormat;
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}
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egl_surface_t::~egl_surface_t()
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{
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magic = 0;
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free(depth.data);
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}
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EGLBoolean egl_surface_t::swapBuffers() {
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return EGL_FALSE;
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}
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EGLint egl_surface_t::getHorizontalResolution() const {
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return (0 * EGL_DISPLAY_SCALING) * (1.0f / 25.4f);
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}
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EGLint egl_surface_t::getVerticalResolution() const {
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return (0 * EGL_DISPLAY_SCALING) * (1.0f / 25.4f);
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}
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EGLint egl_surface_t::getRefreshRate() const {
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return (60 * EGL_DISPLAY_SCALING);
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}
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EGLint egl_surface_t::getSwapBehavior() const {
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return EGL_BUFFER_PRESERVED;
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}
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// ----------------------------------------------------------------------------
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struct egl_window_surface_t : public egl_surface_t
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{
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egl_window_surface_t(
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EGLDisplay dpy, EGLConfig config,
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int32_t depthFormat,
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egl_native_window_t* window);
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~egl_window_surface_t();
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virtual bool isValid() const { return nativeWindow->magic == 0x600913; }
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virtual EGLBoolean swapBuffers();
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virtual EGLBoolean bindDrawSurface(ogles_context_t* gl);
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virtual EGLBoolean bindReadSurface(ogles_context_t* gl);
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virtual EGLint getWidth() const { return nativeWindow->width; }
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virtual EGLint getHeight() const { return nativeWindow->height; }
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virtual void* getBits() const;
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virtual EGLint getHorizontalResolution() const;
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virtual EGLint getVerticalResolution() const;
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virtual EGLint getRefreshRate() const;
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virtual EGLint getSwapBehavior() const;
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private:
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egl_native_window_t* nativeWindow;
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};
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egl_window_surface_t::egl_window_surface_t(EGLDisplay dpy,
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EGLConfig config,
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int32_t depthFormat,
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egl_native_window_t* window)
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: egl_surface_t(dpy, config, depthFormat), nativeWindow(window)
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{
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if (depthFormat) {
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depth.width = window->width;
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depth.height = window->height;
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depth.stride = depth.width; // use the width here
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depth.data = (GGLubyte*)malloc(depth.stride*depth.height*2);
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if (depth.data == 0) {
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setError(EGL_BAD_ALLOC, EGL_NO_SURFACE);
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return;
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}
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}
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nativeWindow->incRef(nativeWindow);
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}
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egl_window_surface_t::~egl_window_surface_t() {
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nativeWindow->decRef(nativeWindow);
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}
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EGLBoolean egl_window_surface_t::swapBuffers()
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{
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uint32_t flags = nativeWindow->swapBuffers(nativeWindow);
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if (flags & EGL_NATIVES_FLAG_SIZE_CHANGED) {
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// TODO: we probably should reset the swap rect here
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// if the window size has changed
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if (depth.data) {
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free(depth.data);
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depth.width = nativeWindow->width;
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depth.height = nativeWindow->height;
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depth.stride = nativeWindow->stride;
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depth.data = (GGLubyte*)malloc(depth.stride*depth.height*2);
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if (depth.data == 0) {
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setError(EGL_BAD_ALLOC, EGL_NO_SURFACE);
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return EGL_FALSE;
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}
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}
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}
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return EGL_TRUE;
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}
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EGLBoolean egl_window_surface_t::bindDrawSurface(ogles_context_t* gl)
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{
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GGLSurface buffer;
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buffer.version = sizeof(GGLSurface);
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buffer.width = nativeWindow->width;
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buffer.height = nativeWindow->height;
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buffer.stride = nativeWindow->stride;
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buffer.data = (GGLubyte*)nativeWindow->base + nativeWindow->offset;
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buffer.format = nativeWindow->format;
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gl->rasterizer.procs.colorBuffer(gl, &buffer);
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if (depth.data != gl->rasterizer.state.buffers.depth.data)
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gl->rasterizer.procs.depthBuffer(gl, &depth);
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return EGL_TRUE;
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}
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EGLBoolean egl_window_surface_t::bindReadSurface(ogles_context_t* gl)
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{
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GGLSurface buffer;
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buffer.version = sizeof(GGLSurface);
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buffer.width = nativeWindow->width;
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buffer.height = nativeWindow->height;
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buffer.stride = nativeWindow->stride;
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buffer.data = (GGLubyte*)nativeWindow->base + nativeWindow->offset;
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buffer.format = nativeWindow->format;
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gl->rasterizer.procs.readBuffer(gl, &buffer);
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return EGL_TRUE;
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}
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void* egl_window_surface_t::getBits() const {
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return (GGLubyte*)nativeWindow->base + nativeWindow->offset;
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}
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EGLint egl_window_surface_t::getHorizontalResolution() const {
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return (nativeWindow->xdpi * EGL_DISPLAY_SCALING) * (1.0f / 25.4f);
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}
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EGLint egl_window_surface_t::getVerticalResolution() const {
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return (nativeWindow->ydpi * EGL_DISPLAY_SCALING) * (1.0f / 25.4f);
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}
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EGLint egl_window_surface_t::getRefreshRate() const {
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return (nativeWindow->fps * EGL_DISPLAY_SCALING);
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}
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EGLint egl_window_surface_t::getSwapBehavior() const {
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uint32_t flags = nativeWindow->flags;
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if (flags & EGL_NATIVES_FLAG_DESTROY_BACKBUFFER)
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return EGL_BUFFER_DESTROYED;
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return EGL_BUFFER_PRESERVED;
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}
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// ----------------------------------------------------------------------------
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struct egl_pixmap_surface_t : public egl_surface_t
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{
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egl_pixmap_surface_t(
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EGLDisplay dpy, EGLConfig config,
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int32_t depthFormat,
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egl_native_pixmap_t const * pixmap);
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virtual ~egl_pixmap_surface_t() { }
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virtual bool isValid() const { return nativePixmap.version == sizeof(egl_native_pixmap_t); }
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virtual EGLBoolean bindDrawSurface(ogles_context_t* gl);
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virtual EGLBoolean bindReadSurface(ogles_context_t* gl);
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virtual EGLint getWidth() const { return nativePixmap.width; }
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virtual EGLint getHeight() const { return nativePixmap.height; }
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virtual void* getBits() const { return nativePixmap.data; }
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private:
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egl_native_pixmap_t nativePixmap;
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};
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egl_pixmap_surface_t::egl_pixmap_surface_t(EGLDisplay dpy,
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EGLConfig config,
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int32_t depthFormat,
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egl_native_pixmap_t const * pixmap)
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: egl_surface_t(dpy, config, depthFormat), nativePixmap(*pixmap)
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{
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if (depthFormat) {
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depth.width = pixmap->width;
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depth.height = pixmap->height;
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depth.stride = depth.width; // use the width here
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depth.data = (GGLubyte*)malloc(depth.stride*depth.height*2);
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if (depth.data == 0) {
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setError(EGL_BAD_ALLOC, EGL_NO_SURFACE);
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return;
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}
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}
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}
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EGLBoolean egl_pixmap_surface_t::bindDrawSurface(ogles_context_t* gl)
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{
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GGLSurface buffer;
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buffer.version = sizeof(GGLSurface);
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buffer.width = nativePixmap.width;
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buffer.height = nativePixmap.height;
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buffer.stride = nativePixmap.stride;
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buffer.data = nativePixmap.data;
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buffer.format = nativePixmap.format;
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gl->rasterizer.procs.colorBuffer(gl, &buffer);
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if (depth.data != gl->rasterizer.state.buffers.depth.data)
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gl->rasterizer.procs.depthBuffer(gl, &depth);
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return EGL_TRUE;
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}
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EGLBoolean egl_pixmap_surface_t::bindReadSurface(ogles_context_t* gl)
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{
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GGLSurface buffer;
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buffer.version = sizeof(GGLSurface);
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buffer.width = nativePixmap.width;
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buffer.height = nativePixmap.height;
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buffer.stride = nativePixmap.stride;
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buffer.data = nativePixmap.data;
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buffer.format = nativePixmap.format;
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gl->rasterizer.procs.readBuffer(gl, &buffer);
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return EGL_TRUE;
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}
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// ----------------------------------------------------------------------------
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struct egl_pbuffer_surface_t : public egl_surface_t
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{
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egl_pbuffer_surface_t(
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EGLDisplay dpy, EGLConfig config, int32_t depthFormat,
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int32_t w, int32_t h, int32_t f);
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virtual ~egl_pbuffer_surface_t();
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virtual bool isValid() const { return pbuffer.data != 0; }
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virtual EGLBoolean bindDrawSurface(ogles_context_t* gl);
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virtual EGLBoolean bindReadSurface(ogles_context_t* gl);
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virtual EGLint getWidth() const { return pbuffer.width; }
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virtual EGLint getHeight() const { return pbuffer.height; }
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virtual void* getBits() const { return pbuffer.data; }
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private:
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GGLSurface pbuffer;
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};
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egl_pbuffer_surface_t::egl_pbuffer_surface_t(EGLDisplay dpy,
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EGLConfig config, int32_t depthFormat,
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int32_t w, int32_t h, int32_t f)
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: egl_surface_t(dpy, config, depthFormat)
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{
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size_t size = w*h;
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switch (f) {
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case GGL_PIXEL_FORMAT_A_8: size *= 1; break;
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case GGL_PIXEL_FORMAT_RGB_565: size *= 2; break;
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case GGL_PIXEL_FORMAT_RGBA_8888: size *= 4; break;
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default:
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LOGE("incompatible pixel format for pbuffer (format=%d)", f);
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pbuffer.data = 0;
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break;
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}
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pbuffer.version = sizeof(GGLSurface);
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pbuffer.width = w;
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pbuffer.height = h;
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pbuffer.stride = w;
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pbuffer.data = (GGLubyte*)malloc(size);
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pbuffer.format = f;
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if (depthFormat) {
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depth.width = pbuffer.width;
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depth.height = pbuffer.height;
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depth.stride = depth.width; // use the width here
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depth.data = (GGLubyte*)malloc(depth.stride*depth.height*2);
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if (depth.data == 0) {
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setError(EGL_BAD_ALLOC, EGL_NO_SURFACE);
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return;
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}
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}
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}
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egl_pbuffer_surface_t::~egl_pbuffer_surface_t() {
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free(pbuffer.data);
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}
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EGLBoolean egl_pbuffer_surface_t::bindDrawSurface(ogles_context_t* gl)
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{
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gl->rasterizer.procs.colorBuffer(gl, &pbuffer);
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if (depth.data != gl->rasterizer.state.buffers.depth.data)
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gl->rasterizer.procs.depthBuffer(gl, &depth);
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return EGL_TRUE;
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}
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EGLBoolean egl_pbuffer_surface_t::bindReadSurface(ogles_context_t* gl)
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{
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gl->rasterizer.procs.readBuffer(gl, &pbuffer);
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return EGL_TRUE;
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}
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// ----------------------------------------------------------------------------
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struct config_pair_t {
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GLint key;
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GLint value;
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};
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struct configs_t {
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const config_pair_t* array;
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int size;
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};
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struct config_management_t {
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GLint key;
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bool (*match)(GLint reqValue, GLint confValue);
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static bool atLeast(GLint reqValue, GLint confValue) {
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return (reqValue == EGL_DONT_CARE) || (confValue >= reqValue);
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}
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static bool exact(GLint reqValue, GLint confValue) {
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return (reqValue == EGL_DONT_CARE) || (confValue == reqValue);
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}
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static bool mask(GLint reqValue, GLint confValue) {
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return (confValue & reqValue) == reqValue;
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}
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};
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// ----------------------------------------------------------------------------
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#define VERSION_MAJOR 1
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#define VERSION_MINOR 2
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static char const * const gVendorString = "Google Inc.";
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static char const * const gVersionString = "1.2 Android Driver";
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static char const * const gClientApiString = "OpenGL ES";
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static char const * const gExtensionsString = "";
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// ----------------------------------------------------------------------------
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struct extention_map_t {
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const char * const name;
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__eglMustCastToProperFunctionPointerType address;
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};
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static const extention_map_t gExtentionMap[] = {
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{ "glDrawTexsOES", (void(*)())&glDrawTexsOES },
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{ "glDrawTexiOES", (void(*)())&glDrawTexiOES },
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{ "glDrawTexfOES", (void(*)())&glDrawTexfOES },
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{ "glDrawTexxOES", (void(*)())&glDrawTexxOES },
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{ "glDrawTexsvOES", (void(*)())&glDrawTexsvOES },
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{ "glDrawTexivOES", (void(*)())&glDrawTexivOES },
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{ "glDrawTexfvOES", (void(*)())&glDrawTexfvOES },
|
|
{ "glDrawTexxvOES", (void(*)())&glDrawTexxvOES },
|
|
{ "glQueryMatrixxOES", (void(*)())&glQueryMatrixxOES },
|
|
{ "glClipPlanef", (void(*)())&glClipPlanef },
|
|
{ "glClipPlanex", (void(*)())&glClipPlanex },
|
|
{ "glBindBuffer", (void(*)())&glBindBuffer },
|
|
{ "glBufferData", (void(*)())&glBufferData },
|
|
{ "glBufferSubData", (void(*)())&glBufferSubData },
|
|
{ "glDeleteBuffers", (void(*)())&glDeleteBuffers },
|
|
{ "glGenBuffers", (void(*)())&glGenBuffers },
|
|
};
|
|
|
|
/*
|
|
* In the lists below, attributes names MUST be sorted.
|
|
* Additionally, all configs must be sorted according to
|
|
* the EGL specification.
|
|
*/
|
|
|
|
static config_pair_t const config_base_attribute_list[] = {
|
|
{ EGL_STENCIL_SIZE, 0 },
|
|
{ EGL_CONFIG_CAVEAT, EGL_SLOW_CONFIG },
|
|
{ EGL_LEVEL, 0 },
|
|
{ EGL_MAX_PBUFFER_HEIGHT, GGL_MAX_VIEWPORT_DIMS },
|
|
{ EGL_MAX_PBUFFER_PIXELS,
|
|
GGL_MAX_VIEWPORT_DIMS*GGL_MAX_VIEWPORT_DIMS },
|
|
{ EGL_MAX_PBUFFER_WIDTH, GGL_MAX_VIEWPORT_DIMS },
|
|
{ EGL_NATIVE_RENDERABLE, EGL_TRUE },
|
|
{ EGL_NATIVE_VISUAL_ID, 0 },
|
|
{ EGL_NATIVE_VISUAL_TYPE, GGL_PIXEL_FORMAT_RGB_565 },
|
|
{ EGL_SAMPLES, 0 },
|
|
{ EGL_SAMPLE_BUFFERS, 0 },
|
|
{ EGL_TRANSPARENT_TYPE, EGL_NONE },
|
|
{ EGL_TRANSPARENT_BLUE_VALUE, 0 },
|
|
{ EGL_TRANSPARENT_GREEN_VALUE, 0 },
|
|
{ EGL_TRANSPARENT_RED_VALUE, 0 },
|
|
{ EGL_BIND_TO_TEXTURE_RGBA, EGL_FALSE },
|
|
{ EGL_BIND_TO_TEXTURE_RGB, EGL_FALSE },
|
|
{ EGL_MIN_SWAP_INTERVAL, 1 },
|
|
{ EGL_MAX_SWAP_INTERVAL, 4 },
|
|
};
|
|
|
|
// These configs can override the base attribute list
|
|
// NOTE: when adding a config here, don't forget to update eglCreate*Surface()
|
|
|
|
static config_pair_t const config_0_attribute_list[] = {
|
|
{ EGL_BUFFER_SIZE, 16 },
|
|
{ EGL_ALPHA_SIZE, 0 },
|
|
{ EGL_BLUE_SIZE, 5 },
|
|
{ EGL_GREEN_SIZE, 6 },
|
|
{ EGL_RED_SIZE, 5 },
|
|
{ EGL_DEPTH_SIZE, 0 },
|
|
{ EGL_CONFIG_ID, 0 },
|
|
{ EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT },
|
|
};
|
|
|
|
static config_pair_t const config_1_attribute_list[] = {
|
|
{ EGL_BUFFER_SIZE, 16 },
|
|
{ EGL_ALPHA_SIZE, 0 },
|
|
{ EGL_BLUE_SIZE, 5 },
|
|
{ EGL_GREEN_SIZE, 6 },
|
|
{ EGL_RED_SIZE, 5 },
|
|
{ EGL_DEPTH_SIZE, 16 },
|
|
{ EGL_CONFIG_ID, 1 },
|
|
{ EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT },
|
|
};
|
|
|
|
static config_pair_t const config_2_attribute_list[] = {
|
|
{ EGL_BUFFER_SIZE, 32 },
|
|
{ EGL_ALPHA_SIZE, 8 },
|
|
{ EGL_BLUE_SIZE, 8 },
|
|
{ EGL_GREEN_SIZE, 8 },
|
|
{ EGL_RED_SIZE, 8 },
|
|
{ EGL_DEPTH_SIZE, 0 },
|
|
{ EGL_CONFIG_ID, 2 },
|
|
{ EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT },
|
|
};
|
|
|
|
static config_pair_t const config_3_attribute_list[] = {
|
|
{ EGL_BUFFER_SIZE, 32 },
|
|
{ EGL_ALPHA_SIZE, 8 },
|
|
{ EGL_BLUE_SIZE, 8 },
|
|
{ EGL_GREEN_SIZE, 8 },
|
|
{ EGL_RED_SIZE, 8 },
|
|
{ EGL_DEPTH_SIZE, 16 },
|
|
{ EGL_CONFIG_ID, 3 },
|
|
{ EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT },
|
|
};
|
|
|
|
static config_pair_t const config_4_attribute_list[] = {
|
|
{ EGL_BUFFER_SIZE, 8 },
|
|
{ EGL_ALPHA_SIZE, 8 },
|
|
{ EGL_BLUE_SIZE, 0 },
|
|
{ EGL_GREEN_SIZE, 0 },
|
|
{ EGL_RED_SIZE, 0 },
|
|
{ EGL_DEPTH_SIZE, 0 },
|
|
{ EGL_CONFIG_ID, 4 },
|
|
{ EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT },
|
|
};
|
|
|
|
static config_pair_t const config_5_attribute_list[] = {
|
|
{ EGL_BUFFER_SIZE, 8 },
|
|
{ EGL_ALPHA_SIZE, 8 },
|
|
{ EGL_BLUE_SIZE, 0 },
|
|
{ EGL_GREEN_SIZE, 0 },
|
|
{ EGL_RED_SIZE, 0 },
|
|
{ EGL_DEPTH_SIZE, 16 },
|
|
{ EGL_CONFIG_ID, 5 },
|
|
{ EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT },
|
|
};
|
|
|
|
static configs_t const gConfigs[] = {
|
|
{ config_0_attribute_list, NELEM(config_0_attribute_list) },
|
|
{ config_1_attribute_list, NELEM(config_1_attribute_list) },
|
|
{ config_2_attribute_list, NELEM(config_2_attribute_list) },
|
|
{ config_3_attribute_list, NELEM(config_3_attribute_list) },
|
|
{ config_4_attribute_list, NELEM(config_4_attribute_list) },
|
|
{ config_5_attribute_list, NELEM(config_5_attribute_list) },
|
|
};
|
|
|
|
static config_management_t const gConfigManagement[] = {
|
|
{ EGL_BUFFER_SIZE, config_management_t::atLeast },
|
|
{ EGL_ALPHA_SIZE, config_management_t::atLeast },
|
|
{ EGL_BLUE_SIZE, config_management_t::atLeast },
|
|
{ EGL_GREEN_SIZE, config_management_t::atLeast },
|
|
{ EGL_RED_SIZE, config_management_t::atLeast },
|
|
{ EGL_DEPTH_SIZE, config_management_t::atLeast },
|
|
{ EGL_STENCIL_SIZE, config_management_t::atLeast },
|
|
{ EGL_CONFIG_CAVEAT, config_management_t::exact },
|
|
{ EGL_CONFIG_ID, config_management_t::exact },
|
|
{ EGL_LEVEL, config_management_t::exact },
|
|
{ EGL_MAX_PBUFFER_HEIGHT, config_management_t::exact },
|
|
{ EGL_MAX_PBUFFER_PIXELS, config_management_t::exact },
|
|
{ EGL_MAX_PBUFFER_WIDTH, config_management_t::exact },
|
|
{ EGL_NATIVE_RENDERABLE, config_management_t::exact },
|
|
{ EGL_NATIVE_VISUAL_ID, config_management_t::exact },
|
|
{ EGL_NATIVE_VISUAL_TYPE, config_management_t::exact },
|
|
{ EGL_SAMPLES, config_management_t::exact },
|
|
{ EGL_SAMPLE_BUFFERS, config_management_t::exact },
|
|
{ EGL_SURFACE_TYPE, config_management_t::mask },
|
|
{ EGL_TRANSPARENT_TYPE, config_management_t::exact },
|
|
{ EGL_TRANSPARENT_BLUE_VALUE, config_management_t::exact },
|
|
{ EGL_TRANSPARENT_GREEN_VALUE, config_management_t::exact },
|
|
{ EGL_TRANSPARENT_RED_VALUE, config_management_t::exact },
|
|
{ EGL_BIND_TO_TEXTURE_RGBA, config_management_t::exact },
|
|
{ EGL_BIND_TO_TEXTURE_RGB, config_management_t::exact },
|
|
{ EGL_MIN_SWAP_INTERVAL, config_management_t::exact },
|
|
{ EGL_MAX_SWAP_INTERVAL, config_management_t::exact },
|
|
};
|
|
|
|
static config_pair_t const config_defaults[] = {
|
|
{ EGL_SURFACE_TYPE, EGL_WINDOW_BIT },
|
|
};
|
|
|
|
// ----------------------------------------------------------------------------
|
|
|
|
template<typename T>
|
|
static int binarySearch(T const sortedArray[], int first, int last, EGLint key)
|
|
{
|
|
while (first <= last) {
|
|
int mid = (first + last) / 2;
|
|
if (key > sortedArray[mid].key) {
|
|
first = mid + 1;
|
|
} else if (key < sortedArray[mid].key) {
|
|
last = mid - 1;
|
|
} else {
|
|
return mid;
|
|
}
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
static int isAttributeMatching(int i, EGLint attr, EGLint val)
|
|
{
|
|
// look for the attribute in all of our configs
|
|
config_pair_t const* configFound = gConfigs[i].array;
|
|
int index = binarySearch<config_pair_t>(
|
|
gConfigs[i].array,
|
|
0, gConfigs[i].size-1,
|
|
attr);
|
|
if (index < 0) {
|
|
configFound = config_base_attribute_list;
|
|
index = binarySearch<config_pair_t>(
|
|
config_base_attribute_list,
|
|
0, NELEM(config_base_attribute_list)-1,
|
|
attr);
|
|
}
|
|
if (index >= 0) {
|
|
// attribute found, check if this config could match
|
|
int cfgMgtIndex = binarySearch<config_management_t>(
|
|
gConfigManagement,
|
|
0, NELEM(gConfigManagement)-1,
|
|
attr);
|
|
if (index >= 0) {
|
|
bool match = gConfigManagement[cfgMgtIndex].match(
|
|
val, configFound[index].value);
|
|
if (match) {
|
|
// this config matches
|
|
return 1;
|
|
}
|
|
} else {
|
|
// attribute not found. this should NEVER happen.
|
|
}
|
|
} else {
|
|
// error, this attribute doesn't exist
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int makeCurrent(ogles_context_t* gl)
|
|
{
|
|
ogles_context_t* current = (ogles_context_t*)getGlThreadSpecific();
|
|
if (gl) {
|
|
egl_context_t* c = egl_context_t::context(gl);
|
|
if (c->flags & egl_context_t::IS_CURRENT) {
|
|
if (current != gl) {
|
|
// it is an error to set a context current, if it's already
|
|
// current to another thread
|
|
return -1;
|
|
}
|
|
} else {
|
|
if (current) {
|
|
// mark the current context as not current, and flush
|
|
glFlush();
|
|
egl_context_t::context(current)->flags &= ~egl_context_t::IS_CURRENT;
|
|
}
|
|
}
|
|
if (!(c->flags & egl_context_t::IS_CURRENT)) {
|
|
// The context is not current, make it current!
|
|
setGlThreadSpecific(gl);
|
|
c->flags |= egl_context_t::IS_CURRENT;
|
|
}
|
|
} else {
|
|
if (current) {
|
|
// mark the current context as not current, and flush
|
|
glFlush();
|
|
egl_context_t::context(current)->flags &= ~egl_context_t::IS_CURRENT;
|
|
}
|
|
// this thread has no context attached to it
|
|
setGlThreadSpecific(0);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static EGLBoolean getConfigAttrib(EGLDisplay dpy, EGLConfig config,
|
|
EGLint attribute, EGLint *value)
|
|
{
|
|
size_t numConfigs = NELEM(gConfigs);
|
|
int index = (int)config;
|
|
if (uint32_t(index) >= numConfigs)
|
|
return setError(EGL_BAD_CONFIG, EGL_FALSE);
|
|
|
|
int attrIndex;
|
|
attrIndex = binarySearch<config_pair_t>(
|
|
gConfigs[index].array,
|
|
0, gConfigs[index].size-1,
|
|
attribute);
|
|
if (attrIndex>=0) {
|
|
*value = gConfigs[index].array[attrIndex].value;
|
|
return EGL_TRUE;
|
|
}
|
|
|
|
attrIndex = binarySearch<config_pair_t>(
|
|
config_base_attribute_list,
|
|
0, NELEM(config_base_attribute_list)-1,
|
|
attribute);
|
|
if (attrIndex>=0) {
|
|
*value = config_base_attribute_list[attrIndex].value;
|
|
return EGL_TRUE;
|
|
}
|
|
return setError(EGL_BAD_ATTRIBUTE, EGL_FALSE);
|
|
}
|
|
|
|
static EGLSurface createWindowSurface(EGLDisplay dpy, EGLConfig config,
|
|
NativeWindowType window, const EGLint *attrib_list)
|
|
{
|
|
if (egl_display_t::is_valid(dpy) == EGL_FALSE)
|
|
return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE);
|
|
if (window == 0)
|
|
return setError(EGL_BAD_MATCH, EGL_NO_SURFACE);
|
|
|
|
EGLint surfaceType;
|
|
if (getConfigAttrib(dpy, config, EGL_SURFACE_TYPE, &surfaceType) == EGL_FALSE)
|
|
return EGL_FALSE;
|
|
|
|
if (!(surfaceType & EGL_WINDOW_BIT))
|
|
return setError(EGL_BAD_MATCH, EGL_NO_SURFACE);
|
|
|
|
EGLint configID;
|
|
if (getConfigAttrib(dpy, config, EGL_CONFIG_ID, &configID) == EGL_FALSE)
|
|
return EGL_FALSE;
|
|
|
|
int32_t depthFormat;
|
|
int32_t pixelFormat;
|
|
switch(configID) {
|
|
case 0:
|
|
pixelFormat = GGL_PIXEL_FORMAT_RGB_565;
|
|
depthFormat = 0;
|
|
break;
|
|
case 1:
|
|
pixelFormat = GGL_PIXEL_FORMAT_RGB_565;
|
|
depthFormat = GGL_PIXEL_FORMAT_Z_16;
|
|
break;
|
|
case 2:
|
|
pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888;
|
|
depthFormat = 0;
|
|
break;
|
|
case 3:
|
|
pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888;
|
|
depthFormat = GGL_PIXEL_FORMAT_Z_16;
|
|
break;
|
|
case 4:
|
|
pixelFormat = GGL_PIXEL_FORMAT_A_8;
|
|
depthFormat = 0;
|
|
break;
|
|
case 5:
|
|
pixelFormat = GGL_PIXEL_FORMAT_A_8;
|
|
depthFormat = GGL_PIXEL_FORMAT_Z_16;
|
|
break;
|
|
default:
|
|
return setError(EGL_BAD_MATCH, EGL_NO_SURFACE);
|
|
}
|
|
|
|
// FIXME: we don't have access to the pixelFormat here just yet.
|
|
// (it's possible that the surface is not fully initialized)
|
|
// maybe this should be done after the page-flip
|
|
//if (EGLint(info.format) != pixelFormat)
|
|
// return setError(EGL_BAD_MATCH, EGL_NO_SURFACE);
|
|
|
|
egl_surface_t* surface =
|
|
new egl_window_surface_t(dpy, config, depthFormat,
|
|
static_cast<egl_native_window_t*>(window));
|
|
|
|
if (!surface->isValid()) {
|
|
// there was a problem in the ctor, the error
|
|
// flag has been set.
|
|
delete surface;
|
|
surface = 0;
|
|
}
|
|
return surface;
|
|
}
|
|
|
|
static EGLSurface createPixmapSurface(EGLDisplay dpy, EGLConfig config,
|
|
NativePixmapType pixmap, const EGLint *attrib_list)
|
|
{
|
|
if (egl_display_t::is_valid(dpy) == EGL_FALSE)
|
|
return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE);
|
|
if (pixmap == 0)
|
|
return setError(EGL_BAD_MATCH, EGL_NO_SURFACE);
|
|
|
|
EGLint surfaceType;
|
|
if (getConfigAttrib(dpy, config, EGL_SURFACE_TYPE, &surfaceType) == EGL_FALSE)
|
|
return EGL_FALSE;
|
|
|
|
if (!(surfaceType & EGL_PIXMAP_BIT))
|
|
return setError(EGL_BAD_MATCH, EGL_NO_SURFACE);
|
|
|
|
EGLint configID;
|
|
if (getConfigAttrib(dpy, config, EGL_CONFIG_ID, &configID) == EGL_FALSE)
|
|
return EGL_FALSE;
|
|
|
|
int32_t depthFormat;
|
|
int32_t pixelFormat;
|
|
switch(configID) {
|
|
case 0:
|
|
pixelFormat = GGL_PIXEL_FORMAT_RGB_565;
|
|
depthFormat = 0;
|
|
break;
|
|
case 1:
|
|
pixelFormat = GGL_PIXEL_FORMAT_RGB_565;
|
|
depthFormat = GGL_PIXEL_FORMAT_Z_16;
|
|
break;
|
|
case 2:
|
|
pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888;
|
|
depthFormat = 0;
|
|
break;
|
|
case 3:
|
|
pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888;
|
|
depthFormat = GGL_PIXEL_FORMAT_Z_16;
|
|
break;
|
|
case 4:
|
|
pixelFormat = GGL_PIXEL_FORMAT_A_8;
|
|
depthFormat = 0;
|
|
break;
|
|
case 5:
|
|
pixelFormat = GGL_PIXEL_FORMAT_A_8;
|
|
depthFormat = GGL_PIXEL_FORMAT_Z_16;
|
|
break;
|
|
default:
|
|
return setError(EGL_BAD_MATCH, EGL_NO_SURFACE);
|
|
}
|
|
|
|
if (pixmap->format != pixelFormat)
|
|
return setError(EGL_BAD_MATCH, EGL_NO_SURFACE);
|
|
|
|
egl_surface_t* surface =
|
|
new egl_pixmap_surface_t(dpy, config, depthFormat,
|
|
static_cast<egl_native_pixmap_t*>(pixmap));
|
|
|
|
if (!surface->isValid()) {
|
|
// there was a problem in the ctor, the error
|
|
// flag has been set.
|
|
delete surface;
|
|
surface = 0;
|
|
}
|
|
return surface;
|
|
}
|
|
|
|
static EGLSurface createPbufferSurface(EGLDisplay dpy, EGLConfig config,
|
|
const EGLint *attrib_list)
|
|
{
|
|
if (egl_display_t::is_valid(dpy) == EGL_FALSE)
|
|
return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE);
|
|
|
|
EGLint surfaceType;
|
|
if (getConfigAttrib(dpy, config, EGL_SURFACE_TYPE, &surfaceType) == EGL_FALSE)
|
|
return EGL_FALSE;
|
|
|
|
if (!(surfaceType & EGL_PBUFFER_BIT))
|
|
return setError(EGL_BAD_MATCH, EGL_NO_SURFACE);
|
|
|
|
EGLint configID;
|
|
if (getConfigAttrib(dpy, config, EGL_CONFIG_ID, &configID) == EGL_FALSE)
|
|
return EGL_FALSE;
|
|
|
|
int32_t depthFormat;
|
|
int32_t pixelFormat;
|
|
switch(configID) {
|
|
case 0:
|
|
pixelFormat = GGL_PIXEL_FORMAT_RGB_565;
|
|
depthFormat = 0;
|
|
break;
|
|
case 1:
|
|
pixelFormat = GGL_PIXEL_FORMAT_RGB_565;
|
|
depthFormat = GGL_PIXEL_FORMAT_Z_16;
|
|
break;
|
|
case 2:
|
|
pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888;
|
|
depthFormat = 0;
|
|
break;
|
|
case 3:
|
|
pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888;
|
|
depthFormat = GGL_PIXEL_FORMAT_Z_16;
|
|
break;
|
|
case 4:
|
|
pixelFormat = GGL_PIXEL_FORMAT_A_8;
|
|
depthFormat = 0;
|
|
break;
|
|
case 5:
|
|
pixelFormat = GGL_PIXEL_FORMAT_A_8;
|
|
depthFormat = GGL_PIXEL_FORMAT_Z_16;
|
|
break;
|
|
default:
|
|
return setError(EGL_BAD_MATCH, EGL_NO_SURFACE);
|
|
}
|
|
|
|
int32_t w = 0;
|
|
int32_t h = 0;
|
|
while (attrib_list[0]) {
|
|
if (attrib_list[0] == EGL_WIDTH) w = attrib_list[1];
|
|
if (attrib_list[0] == EGL_HEIGHT) h = attrib_list[1];
|
|
attrib_list+=2;
|
|
}
|
|
|
|
egl_surface_t* surface =
|
|
new egl_pbuffer_surface_t(dpy, config, depthFormat, w, h, pixelFormat);
|
|
|
|
if (!surface->isValid()) {
|
|
// there was a problem in the ctor, the error
|
|
// flag has been set.
|
|
delete surface;
|
|
surface = 0;
|
|
}
|
|
return surface;
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
}; // namespace android
|
|
// ----------------------------------------------------------------------------
|
|
|
|
using namespace android;
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// Initialization
|
|
// ----------------------------------------------------------------------------
|
|
|
|
EGLDisplay eglGetDisplay(NativeDisplayType display)
|
|
{
|
|
#ifndef HAVE_ANDROID_OS
|
|
// this just needs to be done once
|
|
if (gGLKey == -1) {
|
|
pthread_mutex_lock(&gInitMutex);
|
|
if (gGLKey == -1)
|
|
pthread_key_create(&gGLKey, NULL);
|
|
pthread_mutex_unlock(&gInitMutex);
|
|
}
|
|
#endif
|
|
if (display == EGL_DEFAULT_DISPLAY) {
|
|
EGLDisplay dpy = (EGLDisplay)1;
|
|
egl_display_t& d = egl_display_t::get_display(dpy);
|
|
d.type = display;
|
|
return dpy;
|
|
}
|
|
return EGL_NO_DISPLAY;
|
|
}
|
|
|
|
EGLBoolean eglInitialize(EGLDisplay dpy, EGLint *major, EGLint *minor)
|
|
{
|
|
if (egl_display_t::is_valid(dpy) == EGL_FALSE)
|
|
return setError(EGL_BAD_DISPLAY, EGL_FALSE);
|
|
|
|
EGLBoolean res = EGL_TRUE;
|
|
egl_display_t& d = egl_display_t::get_display(dpy);
|
|
|
|
if (android_atomic_inc(&d.initialized) == 0) {
|
|
// initialize stuff here if needed
|
|
//pthread_mutex_lock(&gInitMutex);
|
|
//pthread_mutex_unlock(&gInitMutex);
|
|
}
|
|
|
|
if (res == EGL_TRUE) {
|
|
if (major != NULL) *major = VERSION_MAJOR;
|
|
if (minor != NULL) *minor = VERSION_MINOR;
|
|
}
|
|
return res;
|
|
}
|
|
|
|
EGLBoolean eglTerminate(EGLDisplay dpy)
|
|
{
|
|
if (egl_display_t::is_valid(dpy) == EGL_FALSE)
|
|
return setError(EGL_BAD_DISPLAY, EGL_FALSE);
|
|
|
|
EGLBoolean res = EGL_TRUE;
|
|
egl_display_t& d = egl_display_t::get_display(dpy);
|
|
if (android_atomic_dec(&d.initialized) == 1) {
|
|
// TODO: destroy all resources (surfaces, contexts, etc...)
|
|
//pthread_mutex_lock(&gInitMutex);
|
|
//pthread_mutex_unlock(&gInitMutex);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// configuration
|
|
// ----------------------------------------------------------------------------
|
|
|
|
EGLBoolean eglGetConfigs( EGLDisplay dpy,
|
|
EGLConfig *configs,
|
|
EGLint config_size, EGLint *num_config)
|
|
{
|
|
if (egl_display_t::is_valid(dpy) == EGL_FALSE)
|
|
return setError(EGL_BAD_DISPLAY, EGL_FALSE);
|
|
|
|
GLint numConfigs = NELEM(gConfigs);
|
|
if (!configs) {
|
|
*num_config = numConfigs;
|
|
return EGL_TRUE;
|
|
}
|
|
GLint i;
|
|
for (i=0 ; i<numConfigs && i<config_size ; i++) {
|
|
*configs++ = (EGLConfig)i;
|
|
}
|
|
*num_config = i;
|
|
return EGL_TRUE;
|
|
}
|
|
|
|
EGLBoolean eglChooseConfig( EGLDisplay dpy, const EGLint *attrib_list,
|
|
EGLConfig *configs, EGLint config_size,
|
|
EGLint *num_config)
|
|
{
|
|
if (egl_display_t::is_valid(dpy) == EGL_FALSE)
|
|
return setError(EGL_BAD_DISPLAY, EGL_FALSE);
|
|
|
|
if (ggl_unlikely(configs==0 || attrib_list==0)) {
|
|
*num_config = 0;
|
|
return EGL_TRUE;
|
|
}
|
|
|
|
int numAttributes = 0;
|
|
int numConfigs = NELEM(gConfigs);
|
|
uint32_t possibleMatch = (1<<numConfigs)-1;
|
|
while(possibleMatch && *attrib_list != EGL_NONE) {
|
|
numAttributes++;
|
|
EGLint attr = *attrib_list++;
|
|
EGLint val = *attrib_list++;
|
|
for (int i=0 ; i<numConfigs ; i++) {
|
|
if (!(possibleMatch & (1<<i)))
|
|
continue;
|
|
if (isAttributeMatching(i, attr, val) == 0) {
|
|
possibleMatch &= ~(1<<i);
|
|
}
|
|
}
|
|
}
|
|
|
|
// now, handle the attributes which have a useful default value
|
|
for (size_t j=0 ; j<NELEM(config_defaults) ; j++) {
|
|
// see if this attribute was specified, if not apply its
|
|
// default value
|
|
if (binarySearch<config_pair_t>(
|
|
(config_pair_t const*)attrib_list,
|
|
0, numAttributes,
|
|
config_defaults[j].key) < 0)
|
|
{
|
|
for (int i=0 ; i<numConfigs ; i++) {
|
|
if (!(possibleMatch & (1<<i)))
|
|
continue;
|
|
if (isAttributeMatching(i,
|
|
config_defaults[j].key,
|
|
config_defaults[j].value) == 0)
|
|
{
|
|
possibleMatch &= ~(1<<i);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// return the configurations found
|
|
int n=0;
|
|
if (possibleMatch) {
|
|
for (int i=0 ; config_size && i<numConfigs ; i++) {
|
|
if (possibleMatch & (1<<i)) {
|
|
*configs++ = (EGLConfig)i;
|
|
config_size--;
|
|
n++;
|
|
}
|
|
}
|
|
}
|
|
*num_config = n;
|
|
return EGL_TRUE;
|
|
}
|
|
|
|
EGLBoolean eglGetConfigAttrib(EGLDisplay dpy, EGLConfig config,
|
|
EGLint attribute, EGLint *value)
|
|
{
|
|
if (egl_display_t::is_valid(dpy) == EGL_FALSE)
|
|
return setError(EGL_BAD_DISPLAY, EGL_FALSE);
|
|
|
|
return getConfigAttrib(dpy, config, attribute, value);
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// surfaces
|
|
// ----------------------------------------------------------------------------
|
|
|
|
EGLSurface eglCreateWindowSurface( EGLDisplay dpy, EGLConfig config,
|
|
NativeWindowType window,
|
|
const EGLint *attrib_list)
|
|
{
|
|
return createWindowSurface(dpy, config, window, attrib_list);
|
|
}
|
|
|
|
EGLSurface eglCreatePixmapSurface( EGLDisplay dpy, EGLConfig config,
|
|
NativePixmapType pixmap,
|
|
const EGLint *attrib_list)
|
|
{
|
|
return createPixmapSurface(dpy, config, pixmap, attrib_list);
|
|
}
|
|
|
|
EGLSurface eglCreatePbufferSurface( EGLDisplay dpy, EGLConfig config,
|
|
const EGLint *attrib_list)
|
|
{
|
|
return createPbufferSurface(dpy, config, attrib_list);
|
|
}
|
|
|
|
EGLBoolean eglDestroySurface(EGLDisplay dpy, EGLSurface eglSurface)
|
|
{
|
|
if (egl_display_t::is_valid(dpy) == EGL_FALSE)
|
|
return setError(EGL_BAD_DISPLAY, EGL_FALSE);
|
|
if (eglSurface != EGL_NO_SURFACE) {
|
|
egl_surface_t* surface( static_cast<egl_surface_t*>(eglSurface) );
|
|
if (surface->magic != egl_surface_t::MAGIC)
|
|
return setError(EGL_BAD_SURFACE, EGL_FALSE);
|
|
if (surface->dpy != dpy)
|
|
return setError(EGL_BAD_DISPLAY, EGL_FALSE);
|
|
delete surface;
|
|
}
|
|
return EGL_TRUE;
|
|
}
|
|
|
|
EGLBoolean eglQuerySurface( EGLDisplay dpy, EGLSurface eglSurface,
|
|
EGLint attribute, EGLint *value)
|
|
{
|
|
if (egl_display_t::is_valid(dpy) == EGL_FALSE)
|
|
return setError(EGL_BAD_DISPLAY, EGL_FALSE);
|
|
egl_surface_t* surface = static_cast<egl_surface_t*>(eglSurface);
|
|
if (surface->dpy != dpy)
|
|
return setError(EGL_BAD_DISPLAY, EGL_FALSE);
|
|
|
|
EGLBoolean ret = EGL_TRUE;
|
|
switch (attribute) {
|
|
case EGL_CONFIG_ID:
|
|
ret = getConfigAttrib(dpy, surface->config, EGL_CONFIG_ID, value);
|
|
break;
|
|
case EGL_WIDTH:
|
|
*value = surface->getWidth();
|
|
break;
|
|
case EGL_HEIGHT:
|
|
*value = surface->getHeight();
|
|
break;
|
|
case EGL_LARGEST_PBUFFER:
|
|
// not modified for a window or pixmap surface
|
|
break;
|
|
case EGL_TEXTURE_FORMAT:
|
|
*value = EGL_NO_TEXTURE;
|
|
break;
|
|
case EGL_TEXTURE_TARGET:
|
|
*value = EGL_NO_TEXTURE;
|
|
break;
|
|
case EGL_MIPMAP_TEXTURE:
|
|
*value = EGL_FALSE;
|
|
break;
|
|
case EGL_MIPMAP_LEVEL:
|
|
*value = 0;
|
|
break;
|
|
case EGL_RENDER_BUFFER:
|
|
// TODO: return the real RENDER_BUFFER here
|
|
*value = EGL_BACK_BUFFER;
|
|
break;
|
|
case EGL_HORIZONTAL_RESOLUTION:
|
|
// pixel/mm * EGL_DISPLAY_SCALING
|
|
*value = surface->getHorizontalResolution();
|
|
break;
|
|
case EGL_VERTICAL_RESOLUTION:
|
|
// pixel/mm * EGL_DISPLAY_SCALING
|
|
*value = surface->getVerticalResolution();
|
|
break;
|
|
case EGL_PIXEL_ASPECT_RATIO: {
|
|
// w/h * EGL_DISPLAY_SCALING
|
|
int wr = surface->getHorizontalResolution();
|
|
int hr = surface->getVerticalResolution();
|
|
*value = (wr * EGL_DISPLAY_SCALING) / hr;
|
|
} break;
|
|
case EGL_SWAP_BEHAVIOR:
|
|
*value = surface->getSwapBehavior();
|
|
break;
|
|
default:
|
|
ret = setError(EGL_BAD_ATTRIBUTE, EGL_FALSE);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
EGLContext eglCreateContext(EGLDisplay dpy, EGLConfig config,
|
|
EGLContext share_list, const EGLint *attrib_list)
|
|
{
|
|
if (egl_display_t::is_valid(dpy) == EGL_FALSE)
|
|
return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE);
|
|
|
|
ogles_context_t* gl = ogles_init(sizeof(egl_context_t));
|
|
if (!gl) return setError(EGL_BAD_ALLOC, EGL_NO_CONTEXT);
|
|
|
|
egl_context_t* c = static_cast<egl_context_t*>(gl->rasterizer.base);
|
|
c->flags = egl_context_t::NEVER_CURRENT;
|
|
c->dpy = dpy;
|
|
c->config = config;
|
|
c->read = 0;
|
|
c->draw = 0;
|
|
return (EGLContext)gl;
|
|
}
|
|
|
|
EGLBoolean eglDestroyContext(EGLDisplay dpy, EGLContext ctx)
|
|
{
|
|
if (egl_display_t::is_valid(dpy) == EGL_FALSE)
|
|
return setError(EGL_BAD_DISPLAY, EGL_FALSE);
|
|
egl_context_t* c = egl_context_t::context(ctx);
|
|
if (c->flags & egl_context_t::IS_CURRENT)
|
|
setGlThreadSpecific(0);
|
|
ogles_uninit((ogles_context_t*)ctx);
|
|
return EGL_TRUE;
|
|
}
|
|
|
|
EGLBoolean eglMakeCurrent( EGLDisplay dpy, EGLSurface draw,
|
|
EGLSurface read, EGLContext ctx)
|
|
{
|
|
if (egl_display_t::is_valid(dpy) == EGL_FALSE)
|
|
return setError(EGL_BAD_DISPLAY, EGL_FALSE);
|
|
if (draw) {
|
|
egl_surface_t* s = (egl_surface_t*)draw;
|
|
if (s->dpy != dpy)
|
|
return setError(EGL_BAD_DISPLAY, EGL_FALSE);
|
|
// TODO: check that draw and read are compatible with the context
|
|
}
|
|
|
|
EGLContext current_ctx = EGL_NO_CONTEXT;
|
|
|
|
if ((read == EGL_NO_SURFACE && draw == EGL_NO_SURFACE) && (ctx != EGL_NO_CONTEXT))
|
|
return setError(EGL_BAD_MATCH, EGL_FALSE);
|
|
|
|
if ((read != EGL_NO_SURFACE || draw != EGL_NO_SURFACE) && (ctx == EGL_NO_CONTEXT))
|
|
return setError(EGL_BAD_MATCH, EGL_FALSE);
|
|
|
|
if (ctx == EGL_NO_CONTEXT) {
|
|
// if we're detaching, we need the current context
|
|
current_ctx = (EGLContext)getGlThreadSpecific();
|
|
} else {
|
|
egl_context_t* c = egl_context_t::context(ctx);
|
|
egl_surface_t* d = (egl_surface_t*)draw;
|
|
egl_surface_t* r = (egl_surface_t*)read;
|
|
if ((d && d->ctx && d->ctx != ctx) ||
|
|
(r && r->ctx && r->ctx != ctx)) {
|
|
// once of the surface is bound to a context in another thread
|
|
return setError(EGL_BAD_ACCESS, EGL_FALSE);
|
|
}
|
|
}
|
|
|
|
ogles_context_t* gl = (ogles_context_t*)ctx;
|
|
if (makeCurrent(gl) == 0) {
|
|
if (ctx) {
|
|
egl_context_t* c = egl_context_t::context(ctx);
|
|
egl_surface_t* d = (egl_surface_t*)draw;
|
|
egl_surface_t* r = (egl_surface_t*)read;
|
|
c->read = read;
|
|
c->draw = draw;
|
|
if (c->flags & egl_context_t::NEVER_CURRENT) {
|
|
c->flags &= ~egl_context_t::NEVER_CURRENT;
|
|
GLint w = 0;
|
|
GLint h = 0;
|
|
if (draw) {
|
|
w = d->getWidth();
|
|
h = d->getHeight();
|
|
}
|
|
ogles_surfaceport(gl, 0, 0);
|
|
ogles_viewport(gl, 0, 0, w, h);
|
|
ogles_scissor(gl, 0, 0, w, h);
|
|
}
|
|
if (d) {
|
|
d->ctx = ctx;
|
|
d->bindDrawSurface(gl);
|
|
}
|
|
if (r) {
|
|
r->ctx = ctx;
|
|
r->bindReadSurface(gl);
|
|
}
|
|
} else {
|
|
// if surfaces were bound to the context bound to this thread
|
|
// mark then as unbound.
|
|
if (current_ctx) {
|
|
egl_context_t* c = egl_context_t::context(current_ctx);
|
|
egl_surface_t* d = (egl_surface_t*)c->draw;
|
|
egl_surface_t* r = (egl_surface_t*)c->read;
|
|
if (d) d->ctx = EGL_NO_CONTEXT;
|
|
if (r) r->ctx = EGL_NO_CONTEXT;
|
|
}
|
|
}
|
|
return EGL_TRUE;
|
|
}
|
|
return setError(EGL_BAD_ACCESS, EGL_FALSE);
|
|
}
|
|
|
|
EGLContext eglGetCurrentContext(void)
|
|
{
|
|
// eglGetCurrentContext returns the current EGL rendering context,
|
|
// as specified by eglMakeCurrent. If no context is current,
|
|
// EGL_NO_CONTEXT is returned.
|
|
return (EGLContext)getGlThreadSpecific();
|
|
}
|
|
|
|
EGLSurface eglGetCurrentSurface(EGLint readdraw)
|
|
{
|
|
// eglGetCurrentSurface returns the read or draw surface attached
|
|
// to the current EGL rendering context, as specified by eglMakeCurrent.
|
|
// If no context is current, EGL_NO_SURFACE is returned.
|
|
EGLContext ctx = (EGLContext)getGlThreadSpecific();
|
|
if (ctx == EGL_NO_CONTEXT) return EGL_NO_SURFACE;
|
|
egl_context_t* c = egl_context_t::context(ctx);
|
|
if (readdraw == EGL_READ) {
|
|
return c->read;
|
|
} else if (readdraw == EGL_DRAW) {
|
|
return c->draw;
|
|
}
|
|
return setError(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE);
|
|
}
|
|
|
|
EGLDisplay eglGetCurrentDisplay(void)
|
|
{
|
|
// eglGetCurrentDisplay returns the current EGL display connection
|
|
// for the current EGL rendering context, as specified by eglMakeCurrent.
|
|
// If no context is current, EGL_NO_DISPLAY is returned.
|
|
EGLContext ctx = (EGLContext)getGlThreadSpecific();
|
|
if (ctx == EGL_NO_CONTEXT) return EGL_NO_DISPLAY;
|
|
egl_context_t* c = egl_context_t::context(ctx);
|
|
return c->dpy;
|
|
}
|
|
|
|
EGLBoolean eglQueryContext( EGLDisplay dpy, EGLContext ctx,
|
|
EGLint attribute, EGLint *value)
|
|
{
|
|
if (egl_display_t::is_valid(dpy) == EGL_FALSE)
|
|
return setError(EGL_BAD_DISPLAY, EGL_FALSE);
|
|
egl_context_t* c = egl_context_t::context(ctx);
|
|
switch (attribute) {
|
|
case EGL_CONFIG_ID:
|
|
// Returns the ID of the EGL frame buffer configuration with
|
|
// respect to which the context was created
|
|
return getConfigAttrib(dpy, c->config, EGL_CONFIG_ID, value);
|
|
}
|
|
return setError(EGL_BAD_ATTRIBUTE, EGL_FALSE);
|
|
}
|
|
|
|
EGLBoolean eglWaitGL(void)
|
|
{
|
|
return EGL_TRUE;
|
|
}
|
|
|
|
EGLBoolean eglWaitNative(EGLint engine)
|
|
{
|
|
return EGL_TRUE;
|
|
}
|
|
|
|
EGLBoolean eglSwapBuffers(EGLDisplay dpy, EGLSurface draw)
|
|
{
|
|
if (egl_display_t::is_valid(dpy) == EGL_FALSE)
|
|
return setError(EGL_BAD_DISPLAY, EGL_FALSE);
|
|
|
|
egl_surface_t* d = static_cast<egl_surface_t*>(draw);
|
|
if (d->dpy != dpy)
|
|
return setError(EGL_BAD_DISPLAY, EGL_FALSE);
|
|
|
|
// post the surface
|
|
d->swapBuffers();
|
|
|
|
// if it's bound to a context, update the buffer
|
|
if (d->ctx != EGL_NO_CONTEXT) {
|
|
d->bindDrawSurface((ogles_context_t*)d->ctx);
|
|
// if this surface is also the read surface of the context
|
|
// it is bound to, make sure to update the read buffer as well.
|
|
// The EGL spec is a little unclear about this.
|
|
egl_context_t* c = egl_context_t::context(d->ctx);
|
|
if (c->read == draw) {
|
|
d->bindReadSurface((ogles_context_t*)d->ctx);
|
|
}
|
|
}
|
|
|
|
return EGL_TRUE;
|
|
}
|
|
|
|
EGLBoolean eglCopyBuffers( EGLDisplay dpy, EGLSurface surface,
|
|
NativePixmapType target)
|
|
{
|
|
if (egl_display_t::is_valid(dpy) == EGL_FALSE)
|
|
return setError(EGL_BAD_DISPLAY, EGL_FALSE);
|
|
// TODO: eglCopyBuffers()
|
|
return EGL_FALSE;
|
|
}
|
|
|
|
EGLint eglGetError(void)
|
|
{
|
|
return getError();
|
|
}
|
|
|
|
const char* eglQueryString(EGLDisplay dpy, EGLint name)
|
|
{
|
|
if (egl_display_t::is_valid(dpy) == EGL_FALSE)
|
|
return setError(EGL_BAD_DISPLAY, (const char*)0);
|
|
|
|
switch (name) {
|
|
case EGL_VENDOR:
|
|
return gVendorString;
|
|
case EGL_VERSION:
|
|
return gVersionString;
|
|
case EGL_EXTENSIONS:
|
|
return gExtensionsString;
|
|
case EGL_CLIENT_APIS:
|
|
return gClientApiString;
|
|
}
|
|
return setError(EGL_BAD_PARAMETER, (const char *)0);
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// EGL 1.1
|
|
// ----------------------------------------------------------------------------
|
|
|
|
EGLBoolean eglSurfaceAttrib(
|
|
EGLDisplay dpy, EGLSurface surface, EGLint attribute, EGLint value)
|
|
{
|
|
if (egl_display_t::is_valid(dpy) == EGL_FALSE)
|
|
return setError(EGL_BAD_DISPLAY, EGL_FALSE);
|
|
// TODO: eglSurfaceAttrib()
|
|
return setError(EGL_BAD_PARAMETER, EGL_FALSE);
|
|
}
|
|
|
|
EGLBoolean eglBindTexImage(
|
|
EGLDisplay dpy, EGLSurface surface, EGLint buffer)
|
|
{
|
|
if (egl_display_t::is_valid(dpy) == EGL_FALSE)
|
|
return setError(EGL_BAD_DISPLAY, EGL_FALSE);
|
|
// TODO: eglBindTexImage()
|
|
return setError(EGL_BAD_PARAMETER, EGL_FALSE);
|
|
}
|
|
|
|
EGLBoolean eglReleaseTexImage(
|
|
EGLDisplay dpy, EGLSurface surface, EGLint buffer)
|
|
{
|
|
if (egl_display_t::is_valid(dpy) == EGL_FALSE)
|
|
return setError(EGL_BAD_DISPLAY, EGL_FALSE);
|
|
// TODO: eglReleaseTexImage()
|
|
return setError(EGL_BAD_PARAMETER, EGL_FALSE);
|
|
}
|
|
|
|
EGLBoolean eglSwapInterval(EGLDisplay dpy, EGLint interval)
|
|
{
|
|
if (egl_display_t::is_valid(dpy) == EGL_FALSE)
|
|
return setError(EGL_BAD_DISPLAY, EGL_FALSE);
|
|
// TODO: eglSwapInterval()
|
|
return setError(EGL_BAD_PARAMETER, EGL_FALSE);
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// EGL 1.2
|
|
// ----------------------------------------------------------------------------
|
|
|
|
EGLBoolean eglBindAPI(EGLenum api)
|
|
{
|
|
if (api != EGL_OPENGL_ES_API)
|
|
return setError(EGL_BAD_PARAMETER, EGL_FALSE);
|
|
return EGL_TRUE;
|
|
}
|
|
|
|
EGLenum eglQueryAPI(void)
|
|
{
|
|
return EGL_OPENGL_ES_API;
|
|
}
|
|
|
|
EGLBoolean eglWaitClient(void)
|
|
{
|
|
glFinish();
|
|
return EGL_TRUE;
|
|
}
|
|
|
|
EGLBoolean eglReleaseThread(void)
|
|
{
|
|
// TODO: eglReleaseThread()
|
|
return EGL_TRUE;
|
|
}
|
|
|
|
EGLSurface eglCreatePbufferFromClientBuffer(
|
|
EGLDisplay dpy, EGLenum buftype, EGLClientBuffer buffer,
|
|
EGLConfig config, const EGLint *attrib_list)
|
|
{
|
|
if (egl_display_t::is_valid(dpy) == EGL_FALSE)
|
|
return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE);
|
|
// TODO: eglCreatePbufferFromClientBuffer()
|
|
return setError(EGL_BAD_PARAMETER, EGL_NO_SURFACE);
|
|
}
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// Android extensions
|
|
// ----------------------------------------------------------------------------
|
|
|
|
void (*eglGetProcAddress (const char *procname))()
|
|
{
|
|
extention_map_t const * const map = gExtentionMap;
|
|
for (uint32_t i=0 ; i<NELEM(gExtentionMap) ; i++) {
|
|
if (!strcmp(procname, map[i].name)) {
|
|
return map[i].address;
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|