Initial commit of libAgl2 using Pixelflinger2 in external/mesa3d
Somewhat functional, refer to README for details.
Need to enable Android.mk to build.
It builds libGLES_android.so, which needs to replace
the one in system/lib/egl built by libagl.
Change-Id: Iec3aaa8f3963a4185d81955cd24019eb0c4a5850
Signed-off-by: David Li <davidxli@google.com>
diff --git a/opengl/libagl2/src/egl.cpp b/opengl/libagl2/src/egl.cpp
new file mode 100644
index 0000000..6184644
--- /dev/null
+++ b/opengl/libagl2/src/egl.cpp
@@ -0,0 +1,2232 @@
+/*
+**
+** 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 <errno.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <sys/types.h>
+#include <sys/mman.h>
+
+#include <cutils/atomic.h>
+
+
+#include <private/ui/android_natives_priv.h>
+
+#include <hardware/copybit.h>
+
+#include "gles2context.h"
+
+// ----------------------------------------------------------------------------
+namespace android
+{
+// ----------------------------------------------------------------------------
+
+const unsigned int NUM_DISPLAYS = 1;
+
+static pthread_mutex_t gInitMutex = PTHREAD_MUTEX_INITIALIZER;
+static pthread_mutex_t gErrorKeyMutex = PTHREAD_MUTEX_INITIALIZER;
+static pthread_key_t gEGLErrorKey = -1;
+#ifndef HAVE_ANDROID_OS
+namespace gl {
+pthread_key_t gGLKey = -1;
+}; // namespace gl
+#endif
+
+template<typename T>
+static T setError(GLint error, T returnValue)
+{
+ if (ggl_unlikely(gEGLErrorKey == -1)) {
+ pthread_mutex_lock(&gErrorKeyMutex);
+ if (gEGLErrorKey == -1)
+ pthread_key_create(&gEGLErrorKey, NULL);
+ pthread_mutex_unlock(&gErrorKeyMutex);
+ }
+ pthread_setspecific(gEGLErrorKey, (void*)error);
+ return returnValue;
+}
+
+static GLint getError()
+{
+ if (ggl_unlikely(gEGLErrorKey == -1))
+ return EGL_SUCCESS;
+ GLint error = (GLint)pthread_getspecific(gEGLErrorKey);
+ 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*)EGL_SUCCESS);
+ return error;
+}
+
+// ----------------------------------------------------------------------------
+
+struct egl_display_t {
+ egl_display_t() : type(0), initialized(0) { }
+
+ static egl_display_t& get_display(EGLDisplay dpy);
+
+ static EGLBoolean is_valid(EGLDisplay dpy) {
+ return ((uintptr_t(dpy)-1U) >= NUM_DISPLAYS) ? EGL_FALSE : EGL_TRUE;
+ }
+
+ NativeDisplayType type;
+ volatile int32_t initialized;
+};
+
+static egl_display_t gDisplays[NUM_DISPLAYS];
+
+egl_display_t& egl_display_t::get_display(EGLDisplay dpy)
+{
+ return gDisplays[uintptr_t(dpy)-1U];
+}
+
+// ----------------------------------------------------------------------------
+
+struct egl_surface_t {
+ enum {
+ PAGE_FLIP = 0x00000001,
+ MAGIC = 0x31415265
+ };
+
+ uint32_t magic;
+ EGLDisplay dpy;
+ EGLConfig config;
+ EGLContext ctx;
+
+ egl_surface_t(EGLDisplay dpy, EGLConfig config, int32_t depthFormat);
+ virtual ~egl_surface_t();
+ bool isValid() const;
+ virtual bool initCheck() const = 0;
+
+ virtual EGLBoolean bindDrawSurface(GLES2Context* gl) = 0;
+ virtual EGLBoolean bindReadSurface(GLES2Context* 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)
+{
+ depth.version = sizeof(GGLSurface);
+ depth.data = 0;
+ depth.format = (GGLPixelFormat)depthFormat;
+}
+egl_surface_t::~egl_surface_t()
+{
+ magic = 0;
+ free(depth.data);
+}
+bool egl_surface_t::isValid() const
+{
+ LOGE_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(GLES2Context* gl);
+ virtual EGLBoolean bindReadSurface(GLES2Context* 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(android_native_buffer_t* buf, int usage, void** vaddr);
+ status_t unlock(android_native_buffer_t* buf);
+ ANativeWindow* nativeWindow;
+ android_native_buffer_t* buffer;
+ android_native_buffer_t* previousBuffer;
+ gralloc_module_t const* module;
+ copybit_device_t* blitengine;
+ 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) {
+ LOGD("%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;
+ };
+
+ struct region_iterator : public copybit_region_t {
+ region_iterator(const Region& region)
+ : b(region.begin()), e(region.end()) {
+ this->next = iterate;
+ }
+private:
+ static int iterate(copybit_region_t const * self, copybit_rect_t* rect) {
+ region_iterator const* me = static_cast<region_iterator const*>(self);
+ if (me->b != me->e) {
+ *reinterpret_cast<Rect*>(rect) = *me->b++;
+ return 1;
+ }
+ return 0;
+ }
+ mutable Region::const_iterator b;
+ Region::const_iterator const e;
+ };
+
+ void copyBlt(
+ android_native_buffer_t* dst, void* dst_vaddr,
+ android_native_buffer_t* 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), module(0),
+ blitengine(0), bits(NULL)
+{
+ hw_module_t const* pModule;
+ hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &pModule);
+ module = reinterpret_cast<gralloc_module_t const*>(pModule);
+
+ if (hw_get_module(COPYBIT_HARDWARE_MODULE_ID, &pModule) == 0) {
+ copybit_open(pModule, &blitengine);
+ }
+
+ 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);
+ int format = 0;
+ nativeWindow->query(nativeWindow, NATIVE_WINDOW_FORMAT, &format);
+ LOGD("agl2: egl_window_surface_v2_t format=0x%.4X", format);
+// assert(0);
+}
+
+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);
+ if (blitengine) {
+ copybit_close(blitengine);
+ }
+}
+
+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
+ if (nativeWindow->dequeueBuffer(nativeWindow, &buffer) != NO_ERROR) {
+ 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
+ assert(GGL_PIXEL_FORMAT_Z_32 == depth.format);
+ depth.data = (GGLubyte*)malloc(depth.stride*depth.height*4);
+ if (depth.data == 0) {
+ return setError(EGL_BAD_ALLOC, EGL_FALSE);
+ }
+ }
+
+ // keep a reference on the buffer
+ buffer->common.incRef(&buffer->common);
+
+ // Lock the buffer
+ nativeWindow->lockBuffer(nativeWindow, buffer);
+ // pin the buffer down
+ if (lock(buffer, GRALLOC_USAGE_SW_READ_OFTEN |
+ GRALLOC_USAGE_SW_WRITE_OFTEN, &bits) != NO_ERROR) {
+ LOGE("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);
+ }
+ // enqueue the last frame
+ if (buffer)
+ nativeWindow->queueBuffer(nativeWindow, buffer);
+ if (buffer) {
+ buffer->common.decRef(&buffer->common);
+ buffer = 0;
+ }
+ if (previousBuffer) {
+ previousBuffer->common.decRef(&previousBuffer->common);
+ previousBuffer = 0;
+ }
+}
+
+status_t egl_window_surface_v2_t::lock(
+ android_native_buffer_t* buf, int usage, void** vaddr)
+{
+ int err;
+
+ err = module->lock(module, buf->handle,
+ usage, 0, 0, buf->width, buf->height, vaddr);
+
+ return err;
+}
+
+status_t egl_window_surface_v2_t::unlock(android_native_buffer_t* buf)
+{
+ if (!buf) return BAD_VALUE;
+ int err = NO_ERROR;
+
+ err = module->unlock(module, buf->handle);
+
+ return err;
+}
+
+void egl_window_surface_v2_t::copyBlt(
+ android_native_buffer_t* dst, void* dst_vaddr,
+ android_native_buffer_t* src, void const* src_vaddr,
+ const Region& clip)
+{
+ // FIXME: use copybit if possible
+ // NOTE: dst and src must be the same format
+
+ status_t err = NO_ERROR;
+ copybit_device_t* const copybit = blitengine;
+ if (copybit) {
+ copybit_image_t simg;
+ simg.w = src->stride;
+ simg.h = src->height;
+ simg.format = src->format;
+ simg.handle = const_cast<native_handle_t*>(src->handle);
+
+ copybit_image_t dimg;
+ dimg.w = dst->stride;
+ dimg.h = dst->height;
+ dimg.format = dst->format;
+ dimg.handle = const_cast<native_handle_t*>(dst->handle);
+
+ copybit->set_parameter(copybit, COPYBIT_TRANSFORM, 0);
+ copybit->set_parameter(copybit, COPYBIT_PLANE_ALPHA, 255);
+ copybit->set_parameter(copybit, COPYBIT_DITHER, COPYBIT_DISABLE);
+ region_iterator it(clip);
+ err = copybit->blit(copybit, &dimg, &simg, &it);
+ if (err != NO_ERROR) {
+ LOGE("copybit failed (%s)", strerror(err));
+ }
+ }
+
+ if (!copybit || err) {
+ 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);
+ buffer = 0;
+
+ // dequeue a new buffer
+ if (nativeWindow->dequeueBuffer(nativeWindow, &buffer) == NO_ERROR) {
+
+ // TODO: lockBuffer should rather be executed when the very first
+ // direct rendering occurs.
+ nativeWindow->lockBuffer(nativeWindow, buffer);
+
+ // 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;
+ depth.data = (GGLubyte*)malloc(depth.stride*depth.height*2);
+ 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) {
+ LOGE("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(GLES2Context* 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 = (GGLPixelFormat)this->buffer->format;
+ gl->rasterizer.interface.SetBuffer(&gl->rasterizer.interface, GL_COLOR_BUFFER_BIT, &buffer);
+ if (depth.data != gl->rasterizer.depthSurface.data)
+ gl->rasterizer.interface.SetBuffer(&gl->rasterizer.interface, GL_DEPTH_BUFFER_BIT, &depth);
+
+ return EGL_TRUE;
+}
+EGLBoolean egl_window_surface_v2_t::bindReadSurface(GLES2Context* 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 = (GGLPixelFormat)this->buffer->format;
+ puts("agl2: readBuffer not implemented");
+ //gl->rasterizer.interface.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(GLES2Context* gl);
+ virtual EGLBoolean bindReadSurface(GLES2Context* 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
+ depth.data = (GGLubyte*)malloc(depth.stride*depth.height*2);
+ if (depth.data == 0) {
+ setError(EGL_BAD_ALLOC, EGL_NO_SURFACE);
+ }
+ }
+}
+EGLBoolean egl_pixmap_surface_t::bindDrawSurface(GLES2Context* 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 = (GGLPixelFormat)nativePixmap.format;
+
+ gl->rasterizer.interface.SetBuffer(&gl->rasterizer.interface, GL_COLOR_BUFFER_BIT, &buffer);
+ if (depth.data != gl->rasterizer.depthSurface.data)
+ gl->rasterizer.interface.SetBuffer(&gl->rasterizer.interface, GL_DEPTH_BUFFER_BIT, &depth);
+ return EGL_TRUE;
+}
+EGLBoolean egl_pixmap_surface_t::bindReadSurface(GLES2Context* 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 = (GGLPixelFormat)nativePixmap.format;
+ puts("agl2: readBuffer not implemented");
+ //gl->rasterizer.interface.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(GLES2Context* gl);
+ virtual EGLBoolean bindReadSurface(GLES2Context* 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;
+ default:
+ LOGE("incompatible pixel format for pbuffer (format=%d)", f);
+ pbuffer.data = 0;
+ break;
+ }
+ pbuffer.version = sizeof(GGLSurface);
+ pbuffer.width = w;
+ pbuffer.height = h;
+ pbuffer.stride = w;
+ pbuffer.data = (GGLubyte*)malloc(size);
+ pbuffer.format = (GGLPixelFormat)f;
+
+ if (depthFormat) {
+ depth.width = pbuffer.width;
+ depth.height = pbuffer.height;
+ depth.stride = depth.width; // use the width here
+ depth.data = (GGLubyte*)malloc(depth.stride*depth.height*2);
+ if (depth.data == 0) {
+ setError(EGL_BAD_ALLOC, EGL_NO_SURFACE);
+ return;
+ }
+ }
+}
+egl_pbuffer_surface_t::~egl_pbuffer_surface_t()
+{
+ free(pbuffer.data);
+}
+EGLBoolean egl_pbuffer_surface_t::bindDrawSurface(GLES2Context* gl)
+{
+ gl->rasterizer.interface.SetBuffer(&gl->rasterizer.interface, GL_COLOR_BUFFER_BIT, &pbuffer);
+ if (depth.data != gl->rasterizer.depthSurface.data)
+ gl->rasterizer.interface.SetBuffer(&gl->rasterizer.interface, GL_DEPTH_BUFFER_BIT, &depth);
+ return EGL_TRUE;
+}
+EGLBoolean egl_pbuffer_surface_t::bindReadSurface(GLES2Context* gl)
+{
+ puts("agl2: readBuffer not implemented");
+ //gl->rasterizer.interface.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 = "0.0 Android Driver 0.0.0";
+static char const * const gClientApiString = "OpenGL ES2";
+static char const * const gExtensionsString =
+ //"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 },
+// { "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_RGBA_8888 },
+ { 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_ES2_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_SWAP_BEHAVIOR_PRESERVED_BIT|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_SWAP_BEHAVIOR_PRESERVED_BIT|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_SWAP_BEHAVIOR_PRESERVED_BIT|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_SWAP_BEHAVIOR_PRESERVED_BIT|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_SWAP_BEHAVIOR_PRESERVED_BIT|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_SWAP_BEHAVIOR_PRESERVED_BIT|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_SWAP_BEHAVIOR_PRESERVED_BIT|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_SWAP_BEHAVIOR_PRESERVED_BIT|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) },
+};
+
+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_32;
+ break;
+ case 2:
+ pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888;
+ depthFormat = 0;
+ break;
+ case 3:
+ pixelFormat = GGL_PIXEL_FORMAT_RGBA_8888;
+ depthFormat = GGL_PIXEL_FORMAT_Z_32;
+ 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_32;
+ 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_32;
+ 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(GLES2Context* gl)
+{
+ GLES2Context* current = (GLES2Context*)getGlThreadSpecific();
+ if (gl) {
+ egl_context_t* c = egl_context_t::context(gl);
+ if (c->flags & egl_context_t::IS_CURRENT) {
+ if (current != gl) {
+ // it is an error to set a context current, if it's already
+ // current to another thread
+ return -1;
+ }
+ } else {
+ if (current) {
+ // mark the current context as not current, and flush
+ glFlush();
+ egl_context_t::context(current)->flags &= ~egl_context_t::IS_CURRENT;
+ }
+ }
+ if (!(c->flags & egl_context_t::IS_CURRENT)) {
+ // The context is not current, make it current!
+ setGlThreadSpecific(gl);
+ c->flags |= egl_context_t::IS_CURRENT;
+ }
+ } else {
+ if (current) {
+ // mark the current context as not current, and flush
+ glFlush();
+ egl_context_t::context(current)->flags &= ~egl_context_t::IS_CURRENT;
+ }
+ // this thread has no context attached to it
+ setGlThreadSpecific(0);
+ }
+ return 0;
+}
+
+static EGLBoolean getConfigAttrib(EGLDisplay dpy, EGLConfig config,
+ EGLint attribute, EGLint *value)
+{
+ size_t numConfigs = NELEM(gConfigs);
+ int index = (int)config;
+ if (uint32_t(index) >= numConfigs)
+ return setError(EGL_BAD_CONFIG, EGL_FALSE);
+
+ int attrIndex;
+ attrIndex = binarySearch<config_pair_t>(
+ gConfigs[index].array,
+ 0, gConfigs[index].size-1,
+ attribute);
+ if (attrIndex>=0) {
+ *value = gConfigs[index].array[attrIndex].value;
+ return EGL_TRUE;
+ }
+
+ attrIndex = binarySearch<config_pair_t>(
+ config_base_attribute_list,
+ 0, NELEM(config_base_attribute_list)-1,
+ attribute);
+ if (attrIndex>=0) {
+ *value = config_base_attribute_list[attrIndex].value;
+ return EGL_TRUE;
+ }
+ return setError(EGL_BAD_ATTRIBUTE, EGL_FALSE);
+}
+
+static EGLSurface createWindowSurface(EGLDisplay dpy, EGLConfig config,
+ NativeWindowType window, const EGLint *attrib_list)
+{
+ if (egl_display_t::is_valid(dpy) == EGL_FALSE)
+ return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE);
+ if (window == 0)
+ return setError(EGL_BAD_MATCH, EGL_NO_SURFACE);
+
+ EGLint surfaceType;
+ if (getConfigAttrib(dpy, config, EGL_SURFACE_TYPE, &surfaceType) == EGL_FALSE)
+ return EGL_FALSE;
+
+ if (!(surfaceType & EGL_WINDOW_BIT))
+ return setError(EGL_BAD_MATCH, EGL_NO_SURFACE);
+
+ if (reinterpret_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,
+ reinterpret_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 (reinterpret_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 (reinterpret_cast<egl_native_pixmap_t *>(pixmap)->format != pixelFormat)
+ return setError(EGL_BAD_MATCH, EGL_NO_SURFACE);
+
+ egl_surface_t* surface =
+ new egl_pixmap_surface_t(dpy, config, depthFormat,
+ reinterpret_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]) {
+ 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)
+{
+ puts("agl2:eglGetDisplay");
+#ifndef HAVE_ANDROID_OS
+ // this just needs to be done once
+ if (gGLKey == -1) {
+ pthread_mutex_lock(&gInitMutex);
+ if (gGLKey == -1)
+ pthread_key_create(&gGLKey, NULL);
+ pthread_mutex_unlock(&gInitMutex);
+ }
+#endif
+ if (display == EGL_DEFAULT_DISPLAY) {
+ EGLDisplay dpy = (EGLDisplay)1;
+ egl_display_t& d = egl_display_t::get_display(dpy);
+ d.type = display;
+ return dpy;
+ }
+ return EGL_NO_DISPLAY;
+}
+
+EGLBoolean eglInitialize(EGLDisplay dpy, EGLint *major, EGLint *minor)
+{
+ puts("agl2:eglInitialize");
+ if (egl_display_t::is_valid(dpy) == EGL_FALSE)
+ return setError(EGL_BAD_DISPLAY, EGL_FALSE);
+
+ EGLBoolean res = EGL_TRUE;
+ egl_display_t& d = egl_display_t::get_display(dpy);
+
+ if (android_atomic_inc(&d.initialized) == 0) {
+ // initialize stuff here if needed
+ //pthread_mutex_lock(&gInitMutex);
+ //pthread_mutex_unlock(&gInitMutex);
+ }
+
+ if (res == EGL_TRUE) {
+ if (major != NULL) *major = VERSION_MAJOR;
+ if (minor != NULL) *minor = VERSION_MINOR;
+ }
+ return res;
+}
+
+EGLBoolean eglTerminate(EGLDisplay dpy)
+{
+ puts("agl2:eglTerminate");
+ if (egl_display_t::is_valid(dpy) == EGL_FALSE)
+ return setError(EGL_BAD_DISPLAY, EGL_FALSE);
+
+ EGLBoolean res = EGL_TRUE;
+ egl_display_t& d = egl_display_t::get_display(dpy);
+ if (android_atomic_dec(&d.initialized) == 1) {
+ // TODO: destroy all resources (surfaces, contexts, etc...)
+ //pthread_mutex_lock(&gInitMutex);
+ //pthread_mutex_unlock(&gInitMutex);
+ }
+ return res;
+}
+
+// ----------------------------------------------------------------------------
+// configuration
+// ----------------------------------------------------------------------------
+
+EGLBoolean eglGetConfigs( EGLDisplay dpy,
+ EGLConfig *configs,
+ EGLint config_size, EGLint *num_config)
+{
+ puts("agl2:eglGetConfigs");
+ if (egl_display_t::is_valid(dpy) == EGL_FALSE)
+ return setError(EGL_BAD_DISPLAY, EGL_FALSE);
+
+ GLint numConfigs = NELEM(gConfigs);
+ if (!configs) {
+ *num_config = numConfigs;
+ return EGL_TRUE;
+ }
+ GLint i;
+ for (i=0 ; i<numConfigs && i<config_size ; i++) {
+ *configs++ = (EGLConfig)i;
+ }
+ *num_config = i;
+ return EGL_TRUE;
+}
+
+static const char * ATTRIBUTE_NAMES [] = {
+ "EGL_BUFFER_SIZE",
+ "EGL_ALPHA_SIZE",
+ "EGL_BLUE_SIZE",
+ "EGL_GREEN_SIZE",
+ "EGL_RED_SIZE",
+ "EGL_DEPTH_SIZE",
+ "EGL_STENCIL_SIZE",
+ "EGL_CONFIG_CAVEAT",
+ "EGL_CONFIG_ID",
+ "EGL_LEVEL",
+ "EGL_MAX_PBUFFER_HEIGHT",
+ "EGL_MAX_PBUFFER_PIXELS",
+ "EGL_MAX_PBUFFER_WIDTH",
+ "EGL_NATIVE_RENDERABLE",
+ "EGL_NATIVE_VISUAL_ID",
+ "EGL_NATIVE_VISUAL_TYPE",
+ "EGL_PRESERVED_RESOURCES",
+ "EGL_SAMPLES",
+ "EGL_SAMPLE_BUFFERS",
+ "EGL_SURFACE_TYPE",
+ "EGL_TRANSPARENT_TYPE",
+ "EGL_TRANSPARENT_BLUE_VALUE",
+ "EGL_TRANSPARENT_GREEN_VALUE",
+ "EGL_TRANSPARENT_RED_VALUE",
+ "EGL_NONE", /* Attrib list terminator */
+ "EGL_BIND_TO_TEXTURE_RGB",
+ "EGL_BIND_TO_TEXTURE_RGBA",
+ "EGL_MIN_SWAP_INTERVAL",
+ "EGL_MAX_SWAP_INTERVAL",
+ "EGL_LUMINANCE_SIZE",
+ "EGL_ALPHA_MASK_SIZE",
+ "EGL_COLOR_BUFFER_TYPE",
+ "EGL_RENDERABLE_TYPE",
+ "EGL_MATCH_NATIVE_PIXMAP", /* Pseudo-attribute (not queryable) */
+ "EGL_CONFORMANT",
+};
+
+EGLBoolean eglChooseConfig( EGLDisplay dpy, const EGLint *attrib_list,
+ EGLConfig *configs, EGLint config_size,
+ EGLint *num_config)
+{
+ puts("agl2:eglChooseConfig");
+ LOGD("\n***\n***\n agl2:LOGD eglChooseConfig \n***\n***\n");
+ if (egl_display_t::is_valid(dpy) == EGL_FALSE)
+ return setError(EGL_BAD_DISPLAY, EGL_FALSE);
+
+ if (ggl_unlikely(num_config==0)) {
+ LOGD("\n***\n***\n num_config==0 \n***\n***\n");
+ 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.
+ */
+ LOGD("\n***\n***\n attrib_list==0 \n***\n***\n");
+ static const EGLint dummy = EGL_NONE;
+ attrib_list = &dummy;
+ }
+
+ for (const EGLint * attrib = attrib_list; *attrib != EGL_NONE; attrib += 2) {
+ LOGD("eglChooseConfig %s(%.4X): %d \n", ATTRIBUTE_NAMES[attrib[0] - EGL_BUFFER_SIZE], attrib[0], attrib[1]);
+ if (EGL_BUFFER_SIZE > attrib[0] || EGL_CONFORMANT < attrib[0])
+ LOGD("eglChooseConfig invalid config attrib: 0x%.4X=%d \n", attrib[0], attrib[1]);
+ }
+
+ 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) {
+ LOGD("!isAttributeMatching config(%d) %s=%d \n", i, ATTRIBUTE_NAMES[attr - EGL_BUFFER_SIZE], val);
+ possibleMatch &= ~(1<<i);
+ }
+ }
+ }
+
+ LOGD("eglChooseConfig possibleMatch=%.4X \n", possibleMatch);
+
+ // 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)i;
+ config_size--;
+ n++;
+ }
+ }
+ } else {
+ for (int i=0 ; i<numConfigs ; i++) {
+ if (possibleMatch & (1<<i)) {
+ n++;
+ }
+ }
+ }
+ }
+ *num_config = n;
+ LOGD("\n***\n***\n num_config==%d \n***\n***\n", *num_config);
+ return EGL_TRUE;
+}
+
+EGLBoolean eglGetConfigAttrib(EGLDisplay dpy, EGLConfig config,
+ EGLint attribute, EGLint *value)
+{
+ puts("agl2:eglGetConfigAttrib");
+ 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)
+{
+ puts("agl2:eglCreateWindowSurface");
+ return createWindowSurface(dpy, config, window, attrib_list);
+}
+
+EGLSurface eglCreatePixmapSurface( EGLDisplay dpy, EGLConfig config,
+ NativePixmapType pixmap,
+ const EGLint *attrib_list)
+{
+ puts("agl2:eglCreatePixmapSurface");
+ return createPixmapSurface(dpy, config, pixmap, attrib_list);
+}
+
+EGLSurface eglCreatePbufferSurface( EGLDisplay dpy, EGLConfig config,
+ const EGLint *attrib_list)
+{
+ puts("agl2:eglCreatePbufferSurface");
+ return createPbufferSurface(dpy, config, attrib_list);
+}
+
+EGLBoolean eglDestroySurface(EGLDisplay dpy, EGLSurface eglSurface)
+{
+ puts("agl2:eglDestroySurface");
+ 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) {
+ // FIXME: this surface is current check what the spec says
+ surface->disconnect();
+ surface->ctx = 0;
+ }
+ delete surface;
+ }
+ return EGL_TRUE;
+}
+
+EGLBoolean eglQuerySurface( EGLDisplay dpy, EGLSurface eglSurface,
+ EGLint attribute, EGLint *value)
+{
+ puts("agl2:eglQuerySurface");
+ 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)
+{
+ puts("agl2:eglCreateContext");
+ if (egl_display_t::is_valid(dpy) == EGL_FALSE)
+ return setError(EGL_BAD_DISPLAY, EGL_NO_SURFACE);
+
+ GLES2Context* gl = new GLES2Context();//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);
+ egl_context_t * c = &gl->egl;
+ c->flags = egl_context_t::NEVER_CURRENT;
+ c->dpy = dpy;
+ c->config = config;
+ c->read = 0;
+ c->draw = 0;
+
+ c->frame = 0;
+ c->lastSwapTime = clock();
+ c->accumulateSeconds = 0;
+ return (EGLContext)gl;
+}
+
+EGLBoolean eglDestroyContext(EGLDisplay dpy, EGLContext ctx)
+{
+ puts("agl2:eglDestroyContext");
+ 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((GLES2Context*)ctx);
+ delete (GLES2Context*)ctx;
+ return EGL_TRUE;
+}
+
+EGLBoolean eglMakeCurrent( EGLDisplay dpy, EGLSurface draw,
+ EGLSurface read, EGLContext ctx)
+{
+ puts("agl2:eglMakeCurrent");
+ 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_context_t* c = egl_context_t::context(ctx);
+ egl_surface_t* d = (egl_surface_t*)draw;
+ egl_surface_t* r = (egl_surface_t*)read;
+ if ((d && d->ctx && d->ctx != ctx) ||
+ (r && r->ctx && r->ctx != ctx)) {
+ // one of the surface is bound to a context in another thread
+ return setError(EGL_BAD_ACCESS, EGL_FALSE);
+ }
+ }
+
+ GLES2Context* gl = (GLES2Context*)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();
+ }
+ 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();
+ }
+ gl->rasterizer.interface.Viewport(&gl->rasterizer.interface, 0, 0, w, h);
+ //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->ctx = EGL_NO_CONTEXT;
+ d->disconnect();
+ }
+ 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((GLES2Context*)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((GLES2Context*)d->ctx);
+ }
+ clock_t time = clock();
+ float elapsed = (float)(time - c->lastSwapTime) / CLOCKS_PER_SEC;
+ c->accumulateSeconds += elapsed;
+ c->frame++;
+// LOGD("agl2: eglSwapBuffers elapsed=%.2fms \n*", elapsed * 1000);
+ if (20 == c->frame) {
+ float avg = c->accumulateSeconds / c->frame;
+ LOGD("\n*\n* agl2: eglSwapBuffers %u frame avg fps=%.1f elapsed=%.2fms \n*",
+ c->frame, 1 / avg, avg * 1000);
+ c->frame = 0;
+ c->accumulateSeconds = 0;
+ }
+ c->lastSwapTime = time;
+ }
+
+ 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);
+ }
+
+ android_native_buffer_t* native_buffer = (android_native_buffer_t*)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(android_native_buffer_t))
+ 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:
+ case HAL_PIXEL_FORMAT_RGBA_5551:
+ case HAL_PIXEL_FORMAT_RGBA_4444:
+ 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);
+ }
+
+ android_native_buffer_t* native_buffer = (android_native_buffer_t*)img;
+
+ if (native_buffer->common.magic != ANDROID_NATIVE_BUFFER_MAGIC)
+ return setError(EGL_BAD_PARAMETER, EGL_FALSE);
+
+ if (native_buffer->common.version != sizeof(android_native_buffer_t))
+ return setError(EGL_BAD_PARAMETER, EGL_FALSE);
+
+ native_buffer->common.decRef(&native_buffer->common);
+
+ return EGL_TRUE;
+}
+
+// ----------------------------------------------------------------------------
+// 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;
+}