| /* |
| ** |
| ** 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. |
| */ |
| |
| #include <assert.h> |
| #include <atomic> |
| #include <errno.h> |
| #include <fcntl.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <sys/ioctl.h> |
| #include <sys/types.h> |
| #include <sys/mman.h> |
| #include <unistd.h> |
| |
| #include <log/log.h> |
| |
| #include <utils/threads.h> |
| #include <ui/ANativeObjectBase.h> |
| #include <ui/Fence.h> |
| #include <ui/GraphicBufferMapper.h> |
| #include <ui/Rect.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))) |
| |
| // ---------------------------------------------------------------------------- |
| |
| EGLBoolean EGLAPI eglSetSwapRectangleANDROID(EGLDisplay dpy, EGLSurface draw, |
| EGLint left, EGLint top, EGLint width, EGLint height); |
| |
| |
| typedef struct egl_native_pixmap_t |
| { |
| int32_t version; /* must be 32 */ |
| int32_t width; |
| int32_t height; |
| int32_t stride; |
| uint8_t* data; |
| uint8_t format; |
| uint8_t rfu[3]; |
| union { |
| uint32_t compressedFormat; |
| int32_t vstride; |
| }; |
| int32_t reserved; |
| } egl_native_pixmap_t; |
| |
| |
| // ---------------------------------------------------------------------------- |
| namespace android { |
| |
| // ---------------------------------------------------------------------------- |
| |
| const unsigned int NUM_DISPLAYS = 1; |
| |
| #ifndef __ANDROID__ |
| static pthread_mutex_t gInitMutex = PTHREAD_MUTEX_INITIALIZER; |
| #endif |
| static pthread_mutex_t gErrorKeyMutex = PTHREAD_MUTEX_INITIALIZER; |
| static pthread_key_t gEGLErrorKey = -1; |
| #ifndef __ANDROID__ |
| 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*)(uintptr_t)error); |
| return returnValue; |
| } |
| |
| static GLint getError() { |
| if (ggl_unlikely(gEGLErrorKey == -1)) |
| return EGL_SUCCESS; |
| GLint error = (GLint)(uintptr_t)pthread_getspecific(gEGLErrorKey); |
| if (error == 0) { |
| // The TLS key has been created by another thread, but the value for |
| // this thread has not been initialized. |
| return EGL_SUCCESS; |
| } |
| pthread_setspecific(gEGLErrorKey, (void*)(uintptr_t)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; |
| std::atomic_size_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; |
| bool zombie; |
| |
| egl_surface_t(EGLDisplay dpy, EGLConfig config, int32_t depthFormat); |
| virtual ~egl_surface_t(); |
| bool isValid() const; |
| virtual bool initCheck() const = 0; |
| |
| virtual EGLBoolean bindDrawSurface(ogles_context_t* gl) = 0; |
| virtual EGLBoolean bindReadSurface(ogles_context_t* gl) = 0; |
| virtual EGLBoolean connect() { return EGL_TRUE; } |
| virtual void disconnect() {} |
| virtual EGLint getWidth() const = 0; |
| virtual EGLint getHeight() const = 0; |
| |
| virtual EGLint getHorizontalResolution() const; |
| virtual EGLint getVerticalResolution() const; |
| virtual EGLint getRefreshRate() const; |
| virtual EGLint getSwapBehavior() const; |
| virtual EGLBoolean swapBuffers(); |
| virtual EGLBoolean setSwapRectangle(EGLint l, EGLint t, EGLint w, EGLint h); |
| protected: |
| GGLSurface depth; |
| }; |
| |
| egl_surface_t::egl_surface_t(EGLDisplay dpy, |
| EGLConfig config, |
| int32_t depthFormat) |
| : magic(MAGIC), dpy(dpy), config(config), ctx(0), zombie(false) |
| { |
| depth.version = sizeof(GGLSurface); |
| depth.data = 0; |
| depth.format = depthFormat; |
| } |
| egl_surface_t::~egl_surface_t() |
| { |
| magic = 0; |
| free(depth.data); |
| } |
| bool egl_surface_t::isValid() const { |
| ALOGE_IF(magic != MAGIC, "invalid EGLSurface (%p)", this); |
| return magic == MAGIC; |
| } |
| |
| 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; |
| } |
| EGLBoolean egl_surface_t::setSwapRectangle( |
| EGLint /*l*/, EGLint /*t*/, EGLint /*w*/, EGLint /*h*/) |
| { |
| return EGL_FALSE; |
| } |
| |
| // ---------------------------------------------------------------------------- |
| |
| struct egl_window_surface_v2_t : public egl_surface_t |
| { |
| egl_window_surface_v2_t( |
| EGLDisplay dpy, EGLConfig config, |
| int32_t depthFormat, |
| ANativeWindow* window); |
| |
| ~egl_window_surface_v2_t(); |
| |
| virtual bool initCheck() const { return true; } // TODO: report failure if ctor fails |
| virtual EGLBoolean swapBuffers(); |
| virtual EGLBoolean bindDrawSurface(ogles_context_t* gl); |
| virtual EGLBoolean bindReadSurface(ogles_context_t* gl); |
| virtual EGLBoolean connect(); |
| virtual void disconnect(); |
| virtual EGLint getWidth() const { return width; } |
| virtual EGLint getHeight() const { return height; } |
| virtual EGLint getHorizontalResolution() const; |
| virtual EGLint getVerticalResolution() const; |
| virtual EGLint getRefreshRate() const; |
| virtual EGLint getSwapBehavior() const; |
| virtual EGLBoolean setSwapRectangle(EGLint l, EGLint t, EGLint w, EGLint h); |
| |
| private: |
| status_t lock(ANativeWindowBuffer* buf, int usage, void** vaddr); |
| status_t unlock(ANativeWindowBuffer* buf); |
| ANativeWindow* nativeWindow; |
| ANativeWindowBuffer* buffer; |
| ANativeWindowBuffer* previousBuffer; |
| int width; |
| int height; |
| void* bits; |
| GGLFormat const* pixelFormatTable; |
| |
| struct Rect { |
| inline Rect() { }; |
| inline Rect(int32_t w, int32_t h) |
| : left(0), top(0), right(w), bottom(h) { } |
| inline Rect(int32_t l, int32_t t, int32_t r, int32_t b) |
| : left(l), top(t), right(r), bottom(b) { } |
| Rect& andSelf(const Rect& r) { |
| left = max(left, r.left); |
| top = max(top, r.top); |
| right = min(right, r.right); |
| bottom = min(bottom, r.bottom); |
| return *this; |
| } |
| bool isEmpty() const { |
| return (left>=right || top>=bottom); |
| } |
| void dump(char const* what) { |
| ALOGD("%s { %5d, %5d, w=%5d, h=%5d }", |
| what, left, top, right-left, bottom-top); |
| } |
| |
| int32_t left; |
| int32_t top; |
| int32_t right; |
| int32_t bottom; |
| }; |
| |
| struct Region { |
| inline Region() : count(0) { } |
| typedef Rect const* const_iterator; |
| const_iterator begin() const { return storage; } |
| const_iterator end() const { return storage+count; } |
| static Region subtract(const Rect& lhs, const Rect& rhs) { |
| Region reg; |
| Rect* storage = reg.storage; |
| if (!lhs.isEmpty()) { |
| if (lhs.top < rhs.top) { // top rect |
| storage->left = lhs.left; |
| storage->top = lhs.top; |
| storage->right = lhs.right; |
| storage->bottom = rhs.top; |
| storage++; |
| } |
| const int32_t top = max(lhs.top, rhs.top); |
| const int32_t bot = min(lhs.bottom, rhs.bottom); |
| if (top < bot) { |
| if (lhs.left < rhs.left) { // left-side rect |
| storage->left = lhs.left; |
| storage->top = top; |
| storage->right = rhs.left; |
| storage->bottom = bot; |
| storage++; |
| } |
| if (lhs.right > rhs.right) { // right-side rect |
| storage->left = rhs.right; |
| storage->top = top; |
| storage->right = lhs.right; |
| storage->bottom = bot; |
| storage++; |
| } |
| } |
| if (lhs.bottom > rhs.bottom) { // bottom rect |
| storage->left = lhs.left; |
| storage->top = rhs.bottom; |
| storage->right = lhs.right; |
| storage->bottom = lhs.bottom; |
| storage++; |
| } |
| reg.count = storage - reg.storage; |
| } |
| return reg; |
| } |
| bool isEmpty() const { |
| return count<=0; |
| } |
| private: |
| Rect storage[4]; |
| ssize_t count; |
| }; |
| |
| void copyBlt( |
| ANativeWindowBuffer* dst, void* dst_vaddr, |
| ANativeWindowBuffer* src, void const* src_vaddr, |
| const Region& clip); |
| |
| Rect dirtyRegion; |
| Rect oldDirtyRegion; |
| }; |
| |
| egl_window_surface_v2_t::egl_window_surface_v2_t(EGLDisplay dpy, |
| EGLConfig config, |
| int32_t depthFormat, |
| ANativeWindow* window) |
| : egl_surface_t(dpy, config, depthFormat), |
| nativeWindow(window), buffer(0), previousBuffer(0), bits(NULL) |
| { |
| |
| pixelFormatTable = gglGetPixelFormatTable(); |
| |
| // keep a reference on the window |
| nativeWindow->common.incRef(&nativeWindow->common); |
| nativeWindow->query(nativeWindow, NATIVE_WINDOW_WIDTH, &width); |
| nativeWindow->query(nativeWindow, NATIVE_WINDOW_HEIGHT, &height); |
| } |
| |
| egl_window_surface_v2_t::~egl_window_surface_v2_t() { |
| if (buffer) { |
| buffer->common.decRef(&buffer->common); |
| } |
| if (previousBuffer) { |
| previousBuffer->common.decRef(&previousBuffer->common); |
| } |
| nativeWindow->common.decRef(&nativeWindow->common); |
| } |
| |
| EGLBoolean egl_window_surface_v2_t::connect() |
| { |
| // we're intending to do software rendering |
| native_window_set_usage(nativeWindow, |
| GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN); |
| |
| // dequeue a buffer |
| int fenceFd = -1; |
| if (nativeWindow->dequeueBuffer(nativeWindow, &buffer, |
| &fenceFd) != NO_ERROR) { |
| return setError(EGL_BAD_ALLOC, EGL_FALSE); |
| } |
| |
| // wait for the buffer |
| sp<Fence> fence(new Fence(fenceFd)); |
| if (fence->wait(Fence::TIMEOUT_NEVER) != NO_ERROR) { |
| nativeWindow->cancelBuffer(nativeWindow, buffer, fenceFd); |
| return setError(EGL_BAD_ALLOC, EGL_FALSE); |
| } |
| |
| // allocate a corresponding depth-buffer |
| width = buffer->width; |
| height = buffer->height; |
| if (depth.format) { |
| depth.width = width; |
| depth.height = height; |
| depth.stride = depth.width; // use the width here |
| uint64_t allocSize = static_cast<uint64_t>(depth.stride) * |
| static_cast<uint64_t>(depth.height) * 2; |
| if (depth.stride < 0 || depth.height > INT_MAX || |
| allocSize > UINT32_MAX) { |
| return setError(EGL_BAD_ALLOC, EGL_FALSE); |
| } |
| depth.data = (GGLubyte*)malloc(allocSize); |
| if (depth.data == 0) { |
| return setError(EGL_BAD_ALLOC, EGL_FALSE); |
| } |
| } |
| |
| // keep a reference on the buffer |
| buffer->common.incRef(&buffer->common); |
| |
| // pin the buffer down |
| if (lock(buffer, GRALLOC_USAGE_SW_READ_OFTEN | |
| GRALLOC_USAGE_SW_WRITE_OFTEN, &bits) != NO_ERROR) { |
| ALOGE("connect() failed to lock buffer %p (%ux%u)", |
| buffer, buffer->width, buffer->height); |
| return setError(EGL_BAD_ACCESS, EGL_FALSE); |
| // FIXME: we should make sure we're not accessing the buffer anymore |
| } |
| return EGL_TRUE; |
| } |
| |
| void egl_window_surface_v2_t::disconnect() |
| { |
| if (buffer && bits) { |
| bits = NULL; |
| unlock(buffer); |
| } |
| if (buffer) { |
| nativeWindow->cancelBuffer(nativeWindow, buffer, -1); |
| buffer->common.decRef(&buffer->common); |
| buffer = 0; |
| } |
| if (previousBuffer) { |
| previousBuffer->common.decRef(&previousBuffer->common); |
| previousBuffer = 0; |
| } |
| } |
| |
| status_t egl_window_surface_v2_t::lock( |
| ANativeWindowBuffer* buf, int usage, void** vaddr) |
| { |
| auto& mapper = GraphicBufferMapper::get(); |
| return mapper.lock(buf->handle, usage, |
| android::Rect(buf->width, buf->height), vaddr); |
| } |
| |
| status_t egl_window_surface_v2_t::unlock(ANativeWindowBuffer* buf) |
| { |
| if (!buf) return BAD_VALUE; |
| auto& mapper = GraphicBufferMapper::get(); |
| return mapper.unlock(buf->handle); |
| } |
| |
| void egl_window_surface_v2_t::copyBlt( |
| ANativeWindowBuffer* dst, void* dst_vaddr, |
| ANativeWindowBuffer* src, void const* src_vaddr, |
| const Region& clip) |
| { |
| // NOTE: dst and src must be the same format |
| |
| Region::const_iterator cur = clip.begin(); |
| Region::const_iterator end = clip.end(); |
| |
| const size_t bpp = pixelFormatTable[src->format].size; |
| const size_t dbpr = dst->stride * bpp; |
| const size_t sbpr = src->stride * bpp; |
| |
| uint8_t const * const src_bits = (uint8_t const *)src_vaddr; |
| uint8_t * const dst_bits = (uint8_t *)dst_vaddr; |
| |
| while (cur != end) { |
| const Rect& r(*cur++); |
| ssize_t w = r.right - r.left; |
| ssize_t h = r.bottom - r.top; |
| if (w <= 0 || h<=0) continue; |
| size_t size = w * bpp; |
| uint8_t const * s = src_bits + (r.left + src->stride * r.top) * bpp; |
| uint8_t * d = dst_bits + (r.left + dst->stride * r.top) * bpp; |
| if (dbpr==sbpr && size==sbpr) { |
| size *= h; |
| h = 1; |
| } |
| do { |
| memcpy(d, s, size); |
| d += dbpr; |
| s += sbpr; |
| } while (--h > 0); |
| } |
| } |
| |
| EGLBoolean egl_window_surface_v2_t::swapBuffers() |
| { |
| if (!buffer) { |
| return setError(EGL_BAD_ACCESS, EGL_FALSE); |
| } |
| |
| /* |
| * Handle eglSetSwapRectangleANDROID() |
| * We copyback from the front buffer |
| */ |
| if (!dirtyRegion.isEmpty()) { |
| dirtyRegion.andSelf(Rect(buffer->width, buffer->height)); |
| if (previousBuffer) { |
| // This was const Region copyBack, but that causes an |
| // internal compile error on simulator builds |
| /*const*/ Region copyBack(Region::subtract(oldDirtyRegion, dirtyRegion)); |
| if (!copyBack.isEmpty()) { |
| void* prevBits; |
| if (lock(previousBuffer, |
| GRALLOC_USAGE_SW_READ_OFTEN, &prevBits) == NO_ERROR) { |
| // copy from previousBuffer to buffer |
| copyBlt(buffer, bits, previousBuffer, prevBits, copyBack); |
| unlock(previousBuffer); |
| } |
| } |
| } |
| oldDirtyRegion = dirtyRegion; |
| } |
| |
| if (previousBuffer) { |
| previousBuffer->common.decRef(&previousBuffer->common); |
| previousBuffer = 0; |
| } |
| |
| unlock(buffer); |
| previousBuffer = buffer; |
| nativeWindow->queueBuffer(nativeWindow, buffer, -1); |
| buffer = 0; |
| |
| // dequeue a new buffer |
| int fenceFd = -1; |
| if (nativeWindow->dequeueBuffer(nativeWindow, &buffer, &fenceFd) == NO_ERROR) { |
| sp<Fence> fence(new Fence(fenceFd)); |
| if (fence->wait(Fence::TIMEOUT_NEVER)) { |
| nativeWindow->cancelBuffer(nativeWindow, buffer, fenceFd); |
| return setError(EGL_BAD_ALLOC, EGL_FALSE); |
| } |
| |
| // reallocate the depth-buffer if needed |
| if ((width != buffer->width) || (height != buffer->height)) { |
| // TODO: we probably should reset the swap rect here |
| // if the window size has changed |
| width = buffer->width; |
| height = buffer->height; |
| if (depth.data) { |
| free(depth.data); |
| depth.width = width; |
| depth.height = height; |
| depth.stride = buffer->stride; |
| uint64_t allocSize = static_cast<uint64_t>(depth.stride) * |
| static_cast<uint64_t>(depth.height) * 2; |
| if (depth.stride < 0 || depth.height > INT_MAX || |
| allocSize > UINT32_MAX) { |
| setError(EGL_BAD_ALLOC, EGL_FALSE); |
| return EGL_FALSE; |
| } |
| depth.data = (GGLubyte*)malloc(allocSize); |
| if (depth.data == 0) { |
| setError(EGL_BAD_ALLOC, EGL_FALSE); |
| return EGL_FALSE; |
| } |
| } |
| } |
| |
| // keep a reference on the buffer |
| buffer->common.incRef(&buffer->common); |
| |
| // finally pin the buffer down |
| if (lock(buffer, GRALLOC_USAGE_SW_READ_OFTEN | |
| GRALLOC_USAGE_SW_WRITE_OFTEN, &bits) != NO_ERROR) { |
| ALOGE("eglSwapBuffers() failed to lock buffer %p (%ux%u)", |
| buffer, buffer->width, buffer->height); |
| return setError(EGL_BAD_ACCESS, EGL_FALSE); |
| // FIXME: we should make sure we're not accessing the buffer anymore |
| } |
| } else { |
| return setError(EGL_BAD_CURRENT_SURFACE, EGL_FALSE); |
| } |
| |
| return EGL_TRUE; |
| } |
| |
| EGLBoolean egl_window_surface_v2_t::setSwapRectangle( |
| EGLint l, EGLint t, EGLint w, EGLint h) |
| { |
| dirtyRegion = Rect(l, t, l+w, t+h); |
| return EGL_TRUE; |
| } |
| |
| EGLBoolean egl_window_surface_v2_t::bindDrawSurface(ogles_context_t* gl) |
| { |
| GGLSurface buffer; |
| buffer.version = sizeof(GGLSurface); |
| buffer.width = this->buffer->width; |
| buffer.height = this->buffer->height; |
| buffer.stride = this->buffer->stride; |
| buffer.data = (GGLubyte*)bits; |
| buffer.format = this->buffer->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_v2_t::bindReadSurface(ogles_context_t* gl) |
| { |
| GGLSurface buffer; |
| buffer.version = sizeof(GGLSurface); |
| buffer.width = this->buffer->width; |
| buffer.height = this->buffer->height; |
| buffer.stride = this->buffer->stride; |
| buffer.data = (GGLubyte*)bits; // FIXME: hopefully is is LOCKED!!! |
| buffer.format = this->buffer->format; |
| gl->rasterizer.procs.readBuffer(gl, &buffer); |
| return EGL_TRUE; |
| } |
| EGLint egl_window_surface_v2_t::getHorizontalResolution() const { |
| return (nativeWindow->xdpi * EGL_DISPLAY_SCALING) * (1.0f / 25.4f); |
| } |
| EGLint egl_window_surface_v2_t::getVerticalResolution() const { |
| return (nativeWindow->ydpi * EGL_DISPLAY_SCALING) * (1.0f / 25.4f); |
| } |
| EGLint egl_window_surface_v2_t::getRefreshRate() const { |
| return (60 * EGL_DISPLAY_SCALING); // FIXME |
| } |
| EGLint egl_window_surface_v2_t::getSwapBehavior() const |
| { |
| /* |
| * EGL_BUFFER_PRESERVED means that eglSwapBuffers() completely preserves |
| * the content of the swapped buffer. |
| * |
| * EGL_BUFFER_DESTROYED means that the content of the buffer is lost. |
| * |
| * However when ANDROID_swap_retcangle is supported, EGL_BUFFER_DESTROYED |
| * only applies to the area specified by eglSetSwapRectangleANDROID(), that |
| * is, everything outside of this area is preserved. |
| * |
| * This implementation of EGL assumes the later case. |
| * |
| */ |
| |
| return EGL_BUFFER_DESTROYED; |
| } |
| |
| // ---------------------------------------------------------------------------- |
| |
| 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 initCheck() const { return !depth.format || depth.data!=0; } |
| 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; } |
| 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 |
| uint64_t allocSize = static_cast<uint64_t>(depth.stride) * |
| static_cast<uint64_t>(depth.height) * 2; |
| if (depth.stride < 0 || depth.height > INT_MAX || |
| allocSize > UINT32_MAX) { |
| setError(EGL_BAD_ALLOC, EGL_NO_SURFACE); |
| return; |
| } |
| depth.data = (GGLubyte*)malloc(allocSize); |
| if (depth.data == 0) { |
| setError(EGL_BAD_ALLOC, EGL_NO_SURFACE); |
| } |
| } |
| } |
| 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 initCheck() 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; } |
| 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; |
| case GGL_PIXEL_FORMAT_RGBX_8888: size *= 4; break; |
| case GGL_PIXEL_FORMAT_BGRA_8888: size *= 4; break; |
| default: |
| ALOGE("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 |
| uint64_t allocSize = static_cast<uint64_t>(depth.stride) * |
| static_cast<uint64_t>(depth.height) * 2; |
| if (depth.stride < 0 || depth.height > INT_MAX || |
| allocSize > UINT32_MAX) { |
| setError(EGL_BAD_ALLOC, EGL_NO_SURFACE); |
| return; |
| } |
| depth.data = (GGLubyte*)malloc(allocSize); |
| 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 bool ignore(GLint /*reqValue*/, GLint /*confValue*/) { |
| return true; |
| } |
| }; |
| |
| // ---------------------------------------------------------------------------- |
| |
| #define VERSION_MAJOR 1 |
| #define VERSION_MINOR 2 |
| static char const * const gVendorString = "Google Inc."; |
| static char const * const gVersionString = "1.2 Android Driver 1.2.0"; |
| static char const * const gClientApiString = "OpenGL_ES"; |
| static char const * const gExtensionsString = |
| "EGL_KHR_fence_sync " |
| "EGL_KHR_image_base " |
| // "KHR_image_pixmap " |
| "EGL_ANDROID_image_native_buffer " |
| "EGL_ANDROID_swap_rectangle " |
| ; |
| |
| // ---------------------------------------------------------------------------- |
| |
| struct extention_map_t { |
| const char * const name; |
| __eglMustCastToProperFunctionPointerType address; |
| }; |
| |
| static const extention_map_t gExtentionMap[] = { |
| { "glDrawTexsOES", |
| (__eglMustCastToProperFunctionPointerType)&glDrawTexsOES }, |
| { "glDrawTexiOES", |
| (__eglMustCastToProperFunctionPointerType)&glDrawTexiOES }, |
| { "glDrawTexfOES", |
| (__eglMustCastToProperFunctionPointerType)&glDrawTexfOES }, |
| { "glDrawTexxOES", |
| (__eglMustCastToProperFunctionPointerType)&glDrawTexxOES }, |
| { "glDrawTexsvOES", |
| (__eglMustCastToProperFunctionPointerType)&glDrawTexsvOES }, |
| { "glDrawTexivOES", |
| (__eglMustCastToProperFunctionPointerType)&glDrawTexivOES }, |
| { "glDrawTexfvOES", |
| (__eglMustCastToProperFunctionPointerType)&glDrawTexfvOES }, |
| { "glDrawTexxvOES", |
| (__eglMustCastToProperFunctionPointerType)&glDrawTexxvOES }, |
| { "glQueryMatrixxOES", |
| (__eglMustCastToProperFunctionPointerType)&glQueryMatrixxOES }, |
| { "glEGLImageTargetTexture2DOES", |
| (__eglMustCastToProperFunctionPointerType)&glEGLImageTargetTexture2DOES }, |
| { "glEGLImageTargetRenderbufferStorageOES", |
| (__eglMustCastToProperFunctionPointerType)&glEGLImageTargetRenderbufferStorageOES }, |
| { "glClipPlanef", |
| (__eglMustCastToProperFunctionPointerType)&glClipPlanef }, |
| { "glClipPlanex", |
| (__eglMustCastToProperFunctionPointerType)&glClipPlanex }, |
| { "glBindBuffer", |
| (__eglMustCastToProperFunctionPointerType)&glBindBuffer }, |
| { "glBufferData", |
| (__eglMustCastToProperFunctionPointerType)&glBufferData }, |
| { "glBufferSubData", |
| (__eglMustCastToProperFunctionPointerType)&glBufferSubData }, |
| { "glDeleteBuffers", |
| (__eglMustCastToProperFunctionPointerType)&glDeleteBuffers }, |
| { "glGenBuffers", |
| (__eglMustCastToProperFunctionPointerType)&glGenBuffers }, |
| { "eglCreateImageKHR", |
| (__eglMustCastToProperFunctionPointerType)&eglCreateImageKHR }, |
| { "eglDestroyImageKHR", |
| (__eglMustCastToProperFunctionPointerType)&eglDestroyImageKHR }, |
| { "eglCreateSyncKHR", |
| (__eglMustCastToProperFunctionPointerType)&eglCreateSyncKHR }, |
| { "eglDestroySyncKHR", |
| (__eglMustCastToProperFunctionPointerType)&eglDestroySyncKHR }, |
| { "eglClientWaitSyncKHR", |
| (__eglMustCastToProperFunctionPointerType)&eglClientWaitSyncKHR }, |
| { "eglGetSyncAttribKHR", |
| (__eglMustCastToProperFunctionPointerType)&eglGetSyncAttribKHR }, |
| { "eglSetSwapRectangleANDROID", |
| (__eglMustCastToProperFunctionPointerType)&eglSetSwapRectangleANDROID }, |
| }; |
| |
| /* |
| * 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, 1 }, |
| { EGL_LUMINANCE_SIZE, 0 }, |
| { EGL_ALPHA_MASK_SIZE, 0 }, |
| { EGL_COLOR_BUFFER_TYPE, EGL_RGB_BUFFER }, |
| { EGL_RENDERABLE_TYPE, EGL_OPENGL_ES_BIT }, |
| { EGL_CONFORMANT, 0 } |
| }; |
| |
| // These configs can override the base attribute list |
| // NOTE: when adding a config here, don't forget to update eglCreate*Surface() |
| |
| // 565 configs |
| 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_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_RGB_565 }, |
| { 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_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_RGB_565 }, |
| { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, |
| }; |
| |
| // RGB 888 configs |
| static config_pair_t const config_2_attribute_list[] = { |
| { EGL_BUFFER_SIZE, 32 }, |
| { EGL_ALPHA_SIZE, 0 }, |
| { EGL_BLUE_SIZE, 8 }, |
| { EGL_GREEN_SIZE, 8 }, |
| { EGL_RED_SIZE, 8 }, |
| { EGL_DEPTH_SIZE, 0 }, |
| { EGL_CONFIG_ID, 6 }, |
| { EGL_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_RGBX_8888 }, |
| { 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, 0 }, |
| { EGL_BLUE_SIZE, 8 }, |
| { EGL_GREEN_SIZE, 8 }, |
| { EGL_RED_SIZE, 8 }, |
| { EGL_DEPTH_SIZE, 16 }, |
| { EGL_CONFIG_ID, 7 }, |
| { EGL_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_RGBX_8888 }, |
| { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, |
| }; |
| |
| // 8888 configs |
| static config_pair_t const config_4_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_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_RGBA_8888 }, |
| { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, |
| }; |
| |
| static config_pair_t const config_5_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_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_RGBA_8888 }, |
| { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, |
| }; |
| |
| // A8 configs |
| static config_pair_t const config_6_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_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_A_8 }, |
| { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, |
| }; |
| |
| static config_pair_t const config_7_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_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_A_8 }, |
| { EGL_SURFACE_TYPE, EGL_WINDOW_BIT|EGL_PBUFFER_BIT|EGL_PIXMAP_BIT }, |
| }; |
| |
| // BGRA 8888 config |
| static config_pair_t const config_8_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, 8 }, |
| { EGL_NATIVE_VISUAL_ID, GGL_PIXEL_FORMAT_BGRA_8888 }, |
| { 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) }, |
| { config_6_attribute_list, NELEM(config_6_attribute_list) }, |
| { config_7_attribute_list, NELEM(config_7_attribute_list) }, |
| { config_8_attribute_list, NELEM(config_8_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::ignore }, |
| { EGL_MAX_PBUFFER_PIXELS, config_management_t::ignore }, |
| { EGL_MAX_PBUFFER_WIDTH, config_management_t::ignore }, |
| { EGL_NATIVE_RENDERABLE, config_management_t::exact }, |
| { EGL_NATIVE_VISUAL_ID, config_management_t::ignore }, |
| { 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 }, |
| { EGL_LUMINANCE_SIZE, config_management_t::atLeast }, |
| { EGL_ALPHA_MASK_SIZE, config_management_t::atLeast }, |
| { EGL_COLOR_BUFFER_TYPE, config_management_t::exact }, |
| { EGL_RENDERABLE_TYPE, config_management_t::mask }, |
| { EGL_CONFORMANT, config_management_t::mask } |
| }; |
| |
| |
| static config_pair_t const config_defaults[] = { |
| // attributes that are not specified are simply ignored, if a particular |
| // one needs not be ignored, it must be specified here, eg: |
| // { EGL_SURFACE_TYPE, EGL_WINDOW_BIT }, |
| }; |
| |
| // ---------------------------------------------------------------------------- |
| |
| static status_t getConfigFormatInfo(EGLint configID, |
| int32_t& pixelFormat, int32_t& depthFormat) |
| { |
| 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_RGBX_8888; |
| depthFormat = 0; |
| break; |
| case 3: |
| pixelFormat = GGL_PIXEL_FORMAT_RGBX_8888; |
| depthFormat = GGL_PIXEL_FORMAT_Z_16; |
| break; |
| case 4: |
| pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; |
| depthFormat = 0; |
| break; |
| case 5: |
| pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888; |
| depthFormat = GGL_PIXEL_FORMAT_Z_16; |
| break; |
| case 6: |
| pixelFormat = GGL_PIXEL_FORMAT_A_8; |
| depthFormat = 0; |
| break; |
| case 7: |
| pixelFormat = GGL_PIXEL_FORMAT_A_8; |
| depthFormat = GGL_PIXEL_FORMAT_Z_16; |
| break; |
| case 8: |
| pixelFormat = GGL_PIXEL_FORMAT_BGRA_8888; |
| depthFormat = 0; |
| break; |
| default: |
| return NAME_NOT_FOUND; |
| } |
| return NO_ERROR; |
| } |
| |
| // ---------------------------------------------------------------------------- |
| |
| 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 (cfgMgtIndex >= 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)(uintptr_t)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); |
| |
| if (static_cast<ANativeWindow*>(window)->common.magic != |
| ANDROID_NATIVE_WINDOW_MAGIC) { |
| return setError(EGL_BAD_NATIVE_WINDOW, EGL_NO_SURFACE); |
| } |
| |
| EGLint configID; |
| if (getConfigAttrib(dpy, config, EGL_CONFIG_ID, &configID) == EGL_FALSE) |
| return EGL_FALSE; |
| |
| int32_t depthFormat; |
| int32_t pixelFormat; |
| if (getConfigFormatInfo(configID, pixelFormat, depthFormat) != NO_ERROR) { |
| 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; |
| surface = new egl_window_surface_v2_t(dpy, config, depthFormat, |
| static_cast<ANativeWindow*>(window)); |
| |
| if (!surface->initCheck()) { |
| // 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); |
| |
| if (static_cast<egl_native_pixmap_t*>(pixmap)->version != |
| sizeof(egl_native_pixmap_t)) { |
| return setError(EGL_BAD_NATIVE_PIXMAP, EGL_NO_SURFACE); |
| } |
| |
| EGLint configID; |
| if (getConfigAttrib(dpy, config, EGL_CONFIG_ID, &configID) == EGL_FALSE) |
| return EGL_FALSE; |
| |
| int32_t depthFormat; |
| int32_t pixelFormat; |
| if (getConfigFormatInfo(configID, pixelFormat, depthFormat) != NO_ERROR) { |
| 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->initCheck()) { |
| // 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; |
| if (getConfigFormatInfo(configID, pixelFormat, depthFormat) != NO_ERROR) { |
| return setError(EGL_BAD_MATCH, EGL_NO_SURFACE); |
| } |
| |
| int32_t w = 0; |
| int32_t h = 0; |
| while (attrib_list[0] != EGL_NONE) { |
| 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->initCheck()) { |
| // 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 __ANDROID__ |
| // 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 (d.initialized.fetch_add(1, std::memory_order_acquire) == 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 (d.initialized.fetch_sub(1, std::memory_order_release) == 1) { |
| std::atomic_thread_fence(std::memory_order_acquire); |
| // 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); |
| |
| if (ggl_unlikely(num_config==NULL)) |
| return setError(EGL_BAD_PARAMETER, 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)(uintptr_t)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(num_config==NULL)) { |
| return setError(EGL_BAD_PARAMETER, EGL_FALSE); |
| } |
| |
| if (ggl_unlikely(attrib_list==0)) { |
| /* |
| * A NULL attrib_list should be treated as though it was an empty |
| * one (terminated with EGL_NONE) as defined in |
| * section 3.4.1 "Querying Configurations" in the EGL specification. |
| */ |
| static const EGLint dummy = EGL_NONE; |
| attrib_list = &dummy; |
| } |
| |
| 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 ; possibleMatch && 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 ; possibleMatch && 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-1, |
| config_defaults[j].key) < 0) |
| { |
| for (int i=0 ; possibleMatch && 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) { |
| if (configs) { |
| for (int i=0 ; config_size && i<numConfigs ; i++) { |
| if (possibleMatch & (1<<i)) { |
| *configs++ = (EGLConfig)(uintptr_t)i; |
| config_size--; |
| n++; |
| } |
| } |
| } else { |
| for (int i=0 ; i<numConfigs ; i++) { |
| if (possibleMatch & (1<<i)) { |
| 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->isValid()) |
| return setError(EGL_BAD_SURFACE, EGL_FALSE); |
| if (surface->dpy != dpy) |
| return setError(EGL_BAD_DISPLAY, EGL_FALSE); |
| if (surface->ctx) { |
| // defer disconnect/delete until no longer current |
| surface->zombie = true; |
| } else { |
| surface->disconnect(); |
| 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->isValid()) |
| return setError(EGL_BAD_SURFACE, EGL_FALSE); |
| 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->isValid()) |
| return setError(EGL_BAD_SURFACE, EGL_FALSE); |
| if (s->dpy != dpy) |
| return setError(EGL_BAD_DISPLAY, EGL_FALSE); |
| // TODO: check that draw is compatible with the context |
| } |
| if (read && read!=draw) { |
| egl_surface_t* s = (egl_surface_t*)read; |
| if (!s->isValid()) |
| return setError(EGL_BAD_SURFACE, EGL_FALSE); |
| if (s->dpy != dpy) |
| return setError(EGL_BAD_DISPLAY, EGL_FALSE); |
| // TODO: check that read is 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_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)) { |
| // one 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; |
| |
| if (c->draw) { |
| egl_surface_t* s = reinterpret_cast<egl_surface_t*>(c->draw); |
| s->disconnect(); |
| s->ctx = EGL_NO_CONTEXT; |
| if (s->zombie) |
| delete s; |
| } |
| if (c->read) { |
| // FIXME: unlock/disconnect the read surface too |
| } |
| |
| c->draw = draw; |
| c->read = read; |
| |
| 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) { |
| if (d->connect() == EGL_FALSE) { |
| return EGL_FALSE; |
| } |
| d->ctx = ctx; |
| d->bindDrawSurface(gl); |
| } |
| if (r) { |
| // FIXME: lock/connect the read surface too |
| 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) { |
| c->draw = 0; |
| d->disconnect(); |
| d->ctx = EGL_NO_CONTEXT; |
| if (d->zombie) |
| delete d; |
| } |
| if (r) { |
| c->read = 0; |
| r->ctx = EGL_NO_CONTEXT; |
| // FIXME: unlock/disconnect the read surface too |
| } |
| } |
| } |
| 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->isValid()) |
| return setError(EGL_BAD_SURFACE, EGL_FALSE); |
| 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 EGL_TRUE; |
| } |
| |
| // ---------------------------------------------------------------------------- |
| // 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); |
| } |
| |
| // ---------------------------------------------------------------------------- |
| // EGL_EGLEXT_VERSION 3 |
| // ---------------------------------------------------------------------------- |
| |
| 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; |
| } |
| |
| EGLBoolean eglLockSurfaceKHR(EGLDisplay /*dpy*/, EGLSurface /*surface*/, |
| const EGLint* /*attrib_list*/) |
| { |
| EGLBoolean result = EGL_FALSE; |
| return result; |
| } |
| |
| EGLBoolean eglUnlockSurfaceKHR(EGLDisplay /*dpy*/, EGLSurface /*surface*/) |
| { |
| EGLBoolean result = EGL_FALSE; |
| return result; |
| } |
| |
| EGLImageKHR eglCreateImageKHR(EGLDisplay dpy, EGLContext ctx, EGLenum target, |
| EGLClientBuffer buffer, const EGLint* /*attrib_list*/) |
| { |
| if (egl_display_t::is_valid(dpy) == EGL_FALSE) { |
| return setError(EGL_BAD_DISPLAY, EGL_NO_IMAGE_KHR); |
| } |
| if (ctx != EGL_NO_CONTEXT) { |
| return setError(EGL_BAD_CONTEXT, EGL_NO_IMAGE_KHR); |
| } |
| if (target != EGL_NATIVE_BUFFER_ANDROID) { |
| return setError(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR); |
| } |
| |
| ANativeWindowBuffer* native_buffer = (ANativeWindowBuffer*)buffer; |
| |
| if (native_buffer->common.magic != ANDROID_NATIVE_BUFFER_MAGIC) |
| return setError(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR); |
| |
| if (native_buffer->common.version != sizeof(ANativeWindowBuffer)) |
| return setError(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR); |
| |
| switch (native_buffer->format) { |
| case HAL_PIXEL_FORMAT_RGBA_8888: |
| case HAL_PIXEL_FORMAT_RGBX_8888: |
| case HAL_PIXEL_FORMAT_RGB_888: |
| case HAL_PIXEL_FORMAT_RGB_565: |
| case HAL_PIXEL_FORMAT_BGRA_8888: |
| break; |
| default: |
| return setError(EGL_BAD_PARAMETER, EGL_NO_IMAGE_KHR); |
| } |
| |
| native_buffer->common.incRef(&native_buffer->common); |
| return (EGLImageKHR)native_buffer; |
| } |
| |
| EGLBoolean eglDestroyImageKHR(EGLDisplay dpy, EGLImageKHR img) |
| { |
| if (egl_display_t::is_valid(dpy) == EGL_FALSE) { |
| return setError(EGL_BAD_DISPLAY, EGL_FALSE); |
| } |
| |
| ANativeWindowBuffer* native_buffer = (ANativeWindowBuffer*)img; |
| |
| if (native_buffer->common.magic != ANDROID_NATIVE_BUFFER_MAGIC) |
| return setError(EGL_BAD_PARAMETER, EGL_FALSE); |
| |
| if (native_buffer->common.version != sizeof(ANativeWindowBuffer)) |
| return setError(EGL_BAD_PARAMETER, EGL_FALSE); |
| |
| native_buffer->common.decRef(&native_buffer->common); |
| |
| return EGL_TRUE; |
| } |
| |
| // ---------------------------------------------------------------------------- |
| // EGL_KHR_fence_sync |
| // ---------------------------------------------------------------------------- |
| |
| #define FENCE_SYNC_HANDLE ((EGLSyncKHR)0xFE4CE) |
| |
| EGLSyncKHR eglCreateSyncKHR(EGLDisplay dpy, EGLenum type, |
| const EGLint *attrib_list) |
| { |
| if (egl_display_t::is_valid(dpy) == EGL_FALSE) { |
| return setError(EGL_BAD_DISPLAY, EGL_NO_SYNC_KHR); |
| } |
| |
| if (type != EGL_SYNC_FENCE_KHR || |
| (attrib_list != NULL && attrib_list[0] != EGL_NONE)) { |
| return setError(EGL_BAD_ATTRIBUTE, EGL_NO_SYNC_KHR); |
| } |
| |
| if (eglGetCurrentContext() == EGL_NO_CONTEXT) { |
| return setError(EGL_BAD_MATCH, EGL_NO_SYNC_KHR); |
| } |
| |
| // AGL is synchronous; nothing to do here. |
| |
| return FENCE_SYNC_HANDLE; |
| } |
| |
| EGLBoolean eglDestroySyncKHR(EGLDisplay /*dpy*/, EGLSyncKHR sync) |
| { |
| if (sync != FENCE_SYNC_HANDLE) { |
| return setError(EGL_BAD_PARAMETER, EGL_FALSE); |
| } |
| |
| return EGL_TRUE; |
| } |
| |
| EGLint eglClientWaitSyncKHR(EGLDisplay /*dpy*/, EGLSyncKHR sync, EGLint /*flags*/, |
| EGLTimeKHR /*timeout*/) |
| { |
| if (sync != FENCE_SYNC_HANDLE) { |
| return setError(EGL_BAD_PARAMETER, EGL_FALSE); |
| } |
| |
| return EGL_CONDITION_SATISFIED_KHR; |
| } |
| |
| EGLBoolean eglGetSyncAttribKHR(EGLDisplay /*dpy*/, EGLSyncKHR sync, |
| EGLint attribute, EGLint *value) |
| { |
| if (sync != FENCE_SYNC_HANDLE) { |
| return setError(EGL_BAD_PARAMETER, EGL_FALSE); |
| } |
| |
| switch (attribute) { |
| case EGL_SYNC_TYPE_KHR: |
| *value = EGL_SYNC_FENCE_KHR; |
| return EGL_TRUE; |
| case EGL_SYNC_STATUS_KHR: |
| *value = EGL_SIGNALED_KHR; |
| return EGL_TRUE; |
| case EGL_SYNC_CONDITION_KHR: |
| *value = EGL_SYNC_PRIOR_COMMANDS_COMPLETE_KHR; |
| return EGL_TRUE; |
| default: |
| return setError(EGL_BAD_ATTRIBUTE, EGL_FALSE); |
| } |
| } |
| |
| // ---------------------------------------------------------------------------- |
| // ANDROID extensions |
| // ---------------------------------------------------------------------------- |
| |
| EGLBoolean eglSetSwapRectangleANDROID(EGLDisplay dpy, EGLSurface draw, |
| EGLint left, EGLint top, EGLint width, EGLint height) |
| { |
| 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->isValid()) |
| return setError(EGL_BAD_SURFACE, EGL_FALSE); |
| if (d->dpy != dpy) |
| return setError(EGL_BAD_DISPLAY, EGL_FALSE); |
| |
| // post the surface |
| d->setSwapRectangle(left, top, width, height); |
| |
| return EGL_TRUE; |
| } |