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-rw-r--r--opengl/libagl/egl.cpp2230
1 files changed, 0 insertions, 2230 deletions
diff --git a/opengl/libagl/egl.cpp b/opengl/libagl/egl.cpp
deleted file mode 100644
index be437054ce..0000000000
--- a/opengl/libagl/egl.cpp
+++ /dev/null
@@ -1,2230 +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.
-*/
-
-#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;
-}
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