diff options
Diffstat (limited to 'opengl/libagl/egl.cpp')
| -rw-r--r-- | opengl/libagl/egl.cpp | 1541 |
1 files changed, 0 insertions, 1541 deletions
diff --git a/opengl/libagl/egl.cpp b/opengl/libagl/egl.cpp deleted file mode 100644 index 1446fb2..0000000 --- a/opengl/libagl/egl.cpp +++ /dev/null @@ -1,1541 +0,0 @@ -/* -** -** 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 "EGL" - -#include <assert.h> -#include <errno.h> -#include <stdlib.h> -#include <stdio.h> -#include <string.h> -#include <unistd.h> -#include <fcntl.h> -#include <sys/ioctl.h> -#include <sys/types.h> -#include <sys/mman.h> - -#include <cutils/log.h> -#include <cutils/atomic.h> - -#include <utils/threads.h> - -#include <EGL/egl.h> -#include <EGL/eglext.h> -#include <GLES/gl.h> -#include <GLES/glext.h> - -#include <pixelflinger/format.h> -#include <pixelflinger/pixelflinger.h> - -#include "context.h" -#include "state.h" -#include "texture.h" -#include "matrix.h" - -#undef NELEM -#define NELEM(x) (sizeof(x)/sizeof(*(x))) - -// ---------------------------------------------------------------------------- -namespace android { -// ---------------------------------------------------------------------------- - -const unsigned int NUM_DISPLAYS = 1; - -static pthread_mutex_t gInitMutex = PTHREAD_MUTEX_INITIALIZER; -static pthread_mutex_t gErrorKeyMutex = PTHREAD_MUTEX_INITIALIZER; -static pthread_key_t gEGLErrorKey = -1; -#ifndef HAVE_ANDROID_OS -namespace gl { -pthread_key_t gGLKey = -1; -}; // namespace gl -#endif - -template<typename T> -static T setError(GLint error, T returnValue) { - if (ggl_unlikely(gEGLErrorKey == -1)) { - pthread_mutex_lock(&gErrorKeyMutex); - if (gEGLErrorKey == -1) - pthread_key_create(&gEGLErrorKey, NULL); - pthread_mutex_unlock(&gErrorKeyMutex); - } - pthread_setspecific(gEGLErrorKey, (void*)error); - return returnValue; -} - -static GLint getError() { - if (ggl_unlikely(gEGLErrorKey == -1)) - return EGL_SUCCESS; - GLint error = (GLint)pthread_getspecific(gEGLErrorKey); - pthread_setspecific(gEGLErrorKey, (void*)EGL_SUCCESS); - return error; -} - -// ---------------------------------------------------------------------------- - -struct egl_display_t -{ - egl_display_t() : type(0), initialized(0) { } - - static egl_display_t& get_display(EGLDisplay dpy); - - static EGLBoolean is_valid(EGLDisplay dpy) { - return ((uintptr_t(dpy)-1U) >= NUM_DISPLAYS) ? EGL_FALSE : EGL_TRUE; - } - - NativeDisplayType type; - volatile int32_t initialized; -}; - -static egl_display_t gDisplays[NUM_DISPLAYS]; - -egl_display_t& egl_display_t::get_display(EGLDisplay dpy) { - return gDisplays[uintptr_t(dpy)-1U]; -} - -struct egl_context_t { - enum { - IS_CURRENT = 0x00010000, - NEVER_CURRENT = 0x00020000 - }; - uint32_t flags; - EGLDisplay dpy; - EGLConfig config; - EGLSurface read; - EGLSurface draw; - - static inline egl_context_t* context(EGLContext ctx) { - ogles_context_t* const gl = static_cast<ogles_context_t*>(ctx); - return static_cast<egl_context_t*>(gl->rasterizer.base); - } -}; - -// ---------------------------------------------------------------------------- - -struct egl_surface_t -{ - enum { - PAGE_FLIP = 0x00000001, - MAGIC = 0x31415265 - }; - - uint32_t magic; - EGLDisplay dpy; - EGLConfig config; - EGLContext ctx; - - egl_surface_t(EGLDisplay dpy, EGLConfig config, int32_t depthFormat); - virtual ~egl_surface_t(); - virtual bool isValid() const = 0; - - virtual EGLBoolean bindDrawSurface(ogles_context_t* gl) = 0; - virtual EGLBoolean bindReadSurface(ogles_context_t* gl) = 0; - virtual EGLint getWidth() const = 0; - virtual EGLint getHeight() const = 0; - virtual void* getBits() const = 0; - - virtual EGLint getHorizontalResolution() const; - virtual EGLint getVerticalResolution() const; - virtual EGLint getRefreshRate() const; - virtual EGLint getSwapBehavior() const; - virtual EGLBoolean swapBuffers(); -protected: - GGLSurface depth; -}; - -egl_surface_t::egl_surface_t(EGLDisplay dpy, - EGLConfig config, - int32_t depthFormat) - : magic(MAGIC), dpy(dpy), config(config), ctx(0) -{ - depth.version = sizeof(GGLSurface); - depth.data = 0; - depth.format = depthFormat; -} -egl_surface_t::~egl_surface_t() -{ - magic = 0; - free(depth.data); -} -EGLBoolean egl_surface_t::swapBuffers() { - return EGL_FALSE; -} -EGLint egl_surface_t::getHorizontalResolution() const { - return (0 * EGL_DISPLAY_SCALING) * (1.0f / 25.4f); -} -EGLint egl_surface_t::getVerticalResolution() const { - return (0 * EGL_DISPLAY_SCALING) * (1.0f / 25.4f); -} -EGLint egl_surface_t::getRefreshRate() const { - return (60 * EGL_DISPLAY_SCALING); -} -EGLint egl_surface_t::getSwapBehavior() const { - return EGL_BUFFER_PRESERVED; -} - -// ---------------------------------------------------------------------------- - -struct egl_window_surface_t : public egl_surface_t -{ - egl_window_surface_t( - EGLDisplay dpy, EGLConfig config, - int32_t depthFormat, - egl_native_window_t* window); - - ~egl_window_surface_t(); - - virtual bool isValid() const { return nativeWindow->magic == 0x600913; } - virtual EGLBoolean swapBuffers(); - virtual EGLBoolean bindDrawSurface(ogles_context_t* gl); - virtual EGLBoolean bindReadSurface(ogles_context_t* gl); - virtual EGLint getWidth() const { return nativeWindow->width; } - virtual EGLint getHeight() const { return nativeWindow->height; } - virtual void* getBits() const; - virtual EGLint getHorizontalResolution() const; - virtual EGLint getVerticalResolution() const; - virtual EGLint getRefreshRate() const; - virtual EGLint getSwapBehavior() const; -private: - egl_native_window_t* nativeWindow; -}; - -egl_window_surface_t::egl_window_surface_t(EGLDisplay dpy, - EGLConfig config, - int32_t depthFormat, - egl_native_window_t* window) - : egl_surface_t(dpy, config, depthFormat), nativeWindow(window) -{ - if (depthFormat) { - depth.width = window->width; - depth.height = window->height; - depth.stride = depth.width; // use the width here - depth.data = (GGLubyte*)malloc(depth.stride*depth.height*2); - if (depth.data == 0) { - setError(EGL_BAD_ALLOC, EGL_NO_SURFACE); - return; - } - } - nativeWindow->incRef(nativeWindow); -} -egl_window_surface_t::~egl_window_surface_t() { - nativeWindow->decRef(nativeWindow); -} - -EGLBoolean egl_window_surface_t::swapBuffers() -{ - uint32_t flags = nativeWindow->swapBuffers(nativeWindow); - if (flags & EGL_NATIVES_FLAG_SIZE_CHANGED) { - // TODO: we probably should reset the swap rect here - // if the window size has changed - if (depth.data) { - free(depth.data); - depth.width = nativeWindow->width; - depth.height = nativeWindow->height; - depth.stride = nativeWindow->stride; - depth.data = (GGLubyte*)malloc(depth.stride*depth.height*2); - if (depth.data == 0) { - setError(EGL_BAD_ALLOC, EGL_NO_SURFACE); - return EGL_FALSE; - } - } - } - return EGL_TRUE; -} - -EGLBoolean egl_window_surface_t::bindDrawSurface(ogles_context_t* gl) -{ - GGLSurface buffer; - buffer.version = sizeof(GGLSurface); - buffer.width = nativeWindow->width; - buffer.height = nativeWindow->height; - buffer.stride = nativeWindow->stride; - buffer.data = (GGLubyte*)nativeWindow->base + nativeWindow->offset; - buffer.format = nativeWindow->format; - gl->rasterizer.procs.colorBuffer(gl, &buffer); - if (depth.data != gl->rasterizer.state.buffers.depth.data) - gl->rasterizer.procs.depthBuffer(gl, &depth); - return EGL_TRUE; -} -EGLBoolean egl_window_surface_t::bindReadSurface(ogles_context_t* gl) -{ - GGLSurface buffer; - buffer.version = sizeof(GGLSurface); - buffer.width = nativeWindow->width; - buffer.height = nativeWindow->height; - buffer.stride = nativeWindow->stride; - buffer.data = (GGLubyte*)nativeWindow->base + nativeWindow->offset; - buffer.format = nativeWindow->format; - gl->rasterizer.procs.readBuffer(gl, &buffer); - return EGL_TRUE; -} -void* egl_window_surface_t::getBits() const { - return (GGLubyte*)nativeWindow->base + nativeWindow->offset; -} -EGLint egl_window_surface_t::getHorizontalResolution() const { - return (nativeWindow->xdpi * EGL_DISPLAY_SCALING) * (1.0f / 25.4f); -} -EGLint egl_window_surface_t::getVerticalResolution() const { - return (nativeWindow->ydpi * EGL_DISPLAY_SCALING) * (1.0f / 25.4f); -} -EGLint egl_window_surface_t::getRefreshRate() const { - return (nativeWindow->fps * EGL_DISPLAY_SCALING); -} -EGLint egl_window_surface_t::getSwapBehavior() const { - uint32_t flags = nativeWindow->flags; - if (flags & EGL_NATIVES_FLAG_DESTROY_BACKBUFFER) - return EGL_BUFFER_DESTROYED; - return EGL_BUFFER_PRESERVED; -} - -// ---------------------------------------------------------------------------- - -struct egl_pixmap_surface_t : public egl_surface_t -{ - egl_pixmap_surface_t( - EGLDisplay dpy, EGLConfig config, - int32_t depthFormat, - egl_native_pixmap_t const * pixmap); - - virtual ~egl_pixmap_surface_t() { } - - virtual bool isValid() const { return nativePixmap.version == sizeof(egl_native_pixmap_t); } - virtual EGLBoolean bindDrawSurface(ogles_context_t* gl); - virtual EGLBoolean bindReadSurface(ogles_context_t* gl); - virtual EGLint getWidth() const { return nativePixmap.width; } - virtual EGLint getHeight() const { return nativePixmap.height; } - virtual void* getBits() const { return nativePixmap.data; } -private: - egl_native_pixmap_t nativePixmap; -}; - -egl_pixmap_surface_t::egl_pixmap_surface_t(EGLDisplay dpy, - EGLConfig config, - int32_t depthFormat, - egl_native_pixmap_t const * pixmap) - : egl_surface_t(dpy, config, depthFormat), nativePixmap(*pixmap) -{ - if (depthFormat) { - depth.width = pixmap->width; - depth.height = pixmap->height; - depth.stride = depth.width; // use the width here - depth.data = (GGLubyte*)malloc(depth.stride*depth.height*2); - if (depth.data == 0) { - setError(EGL_BAD_ALLOC, EGL_NO_SURFACE); - return; - } - } -} -EGLBoolean egl_pixmap_surface_t::bindDrawSurface(ogles_context_t* gl) -{ - GGLSurface buffer; - buffer.version = sizeof(GGLSurface); - buffer.width = nativePixmap.width; - buffer.height = nativePixmap.height; - buffer.stride = nativePixmap.stride; - buffer.data = nativePixmap.data; - buffer.format = nativePixmap.format; - - gl->rasterizer.procs.colorBuffer(gl, &buffer); - if (depth.data != gl->rasterizer.state.buffers.depth.data) - gl->rasterizer.procs.depthBuffer(gl, &depth); - return EGL_TRUE; -} -EGLBoolean egl_pixmap_surface_t::bindReadSurface(ogles_context_t* gl) -{ - GGLSurface buffer; - buffer.version = sizeof(GGLSurface); - buffer.width = nativePixmap.width; - buffer.height = nativePixmap.height; - buffer.stride = nativePixmap.stride; - buffer.data = nativePixmap.data; - buffer.format = nativePixmap.format; - gl->rasterizer.procs.readBuffer(gl, &buffer); - return EGL_TRUE; -} - -// ---------------------------------------------------------------------------- - -struct egl_pbuffer_surface_t : public egl_surface_t -{ - egl_pbuffer_surface_t( - EGLDisplay dpy, EGLConfig config, int32_t depthFormat, - int32_t w, int32_t h, int32_t f); - - virtual ~egl_pbuffer_surface_t(); - - virtual bool isValid() const { return pbuffer.data != 0; } - virtual EGLBoolean bindDrawSurface(ogles_context_t* gl); - virtual EGLBoolean bindReadSurface(ogles_context_t* gl); - virtual EGLint getWidth() const { return pbuffer.width; } - virtual EGLint getHeight() const { return pbuffer.height; } - virtual void* getBits() const { return pbuffer.data; } -private: - GGLSurface pbuffer; -}; - -egl_pbuffer_surface_t::egl_pbuffer_surface_t(EGLDisplay dpy, - EGLConfig config, int32_t depthFormat, - int32_t w, int32_t h, int32_t f) - : egl_surface_t(dpy, config, depthFormat) -{ - size_t size = w*h; - switch (f) { - case GGL_PIXEL_FORMAT_A_8: size *= 1; break; - case GGL_PIXEL_FORMAT_RGB_565: size *= 2; break; - case GGL_PIXEL_FORMAT_RGBA_8888: size *= 4; break; - default: - LOGE("incompatible pixel format for pbuffer (format=%d)", f); - pbuffer.data = 0; - break; - } - pbuffer.version = sizeof(GGLSurface); - pbuffer.width = w; - pbuffer.height = h; - pbuffer.stride = w; - pbuffer.data = (GGLubyte*)malloc(size); - pbuffer.format = f; - - if (depthFormat) { - depth.width = pbuffer.width; - depth.height = pbuffer.height; - depth.stride = depth.width; // use the width here - depth.data = (GGLubyte*)malloc(depth.stride*depth.height*2); - if (depth.data == 0) { - setError(EGL_BAD_ALLOC, EGL_NO_SURFACE); - return; - } - } -} -egl_pbuffer_surface_t::~egl_pbuffer_surface_t() { - free(pbuffer.data); -} -EGLBoolean egl_pbuffer_surface_t::bindDrawSurface(ogles_context_t* gl) -{ - gl->rasterizer.procs.colorBuffer(gl, &pbuffer); - if (depth.data != gl->rasterizer.state.buffers.depth.data) - gl->rasterizer.procs.depthBuffer(gl, &depth); - return EGL_TRUE; -} -EGLBoolean egl_pbuffer_surface_t::bindReadSurface(ogles_context_t* gl) -{ - gl->rasterizer.procs.readBuffer(gl, &pbuffer); - return EGL_TRUE; -} - -// ---------------------------------------------------------------------------- - -struct config_pair_t { - GLint key; - GLint value; -}; - -struct configs_t { - const config_pair_t* array; - int size; -}; - -struct config_management_t { - GLint key; - bool (*match)(GLint reqValue, GLint confValue); - static bool atLeast(GLint reqValue, GLint confValue) { - return (reqValue == EGL_DONT_CARE) || (confValue >= reqValue); - } - static bool exact(GLint reqValue, GLint confValue) { - return (reqValue == EGL_DONT_CARE) || (confValue == reqValue); - } - static bool mask(GLint reqValue, GLint confValue) { - return (confValue & reqValue) == reqValue; - } -}; - -// ---------------------------------------------------------------------------- - -static char const * const gVendorString = "Google Inc."; -static char const * const gVersionString = "1.2 Android Driver"; -static char const * const gClientApiString = "OpenGL ES"; -static char const * const gExtensionsString = ""; - -// ---------------------------------------------------------------------------- - -struct extention_map_t { - const char * const name; - __eglMustCastToProperFunctionPointerType address; -}; - -static const extention_map_t gExtentionMap[] = { - { "glDrawTexsOES", (void(*)())&glDrawTexsOES }, - { "glDrawTexiOES", (void(*)())&glDrawTexiOES }, - { "glDrawTexfOES", (void(*)())&glDrawTexfOES }, - { "glDrawTexxOES", (void(*)())&glDrawTexxOES }, - { "glDrawTexsvOES", (void(*)())&glDrawTexsvOES }, - { "glDrawTexivOES", (void(*)())&glDrawTexivOES }, - { "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 = 1; - if (minor != NULL) *minor = 2; - } - 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; -} |