--- /dev/null
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.9
+ *
+ * Copyright (C) 2010 LunarG Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Chia-I Wu <olv@lunarg.com>
+ */
+
+#define LOG_TAG "MESA-EGL"
+#include <cutils/log.h>
+#include <cutils/properties.h>
+#include <ui/PixelFormat.h>
+#include <ui/android_native_buffer.h>
+
+extern "C" {
+#include "egllog.h"
+}
+#include "util/u_memory.h"
+#include "util/u_inlines.h"
+#include "util/u_format.h"
+#include "common/native.h"
+#include "common/native_helper.h"
+#include "android/android_sw_winsys.h"
+#include "state_tracker/drm_driver.h"
+
+struct android_config;
+
+struct android_display {
+ struct native_display base;
+
+ boolean use_drm;
+ struct native_event_handler *event_handler;
+ struct android_config *configs;
+ int num_configs;
+};
+
+struct android_surface {
+ struct native_surface base;
+
+ struct android_display *adpy;
+ android_native_window_t *win;
+
+ uint stamp;
+ android_native_buffer_t *buf;
+ struct pipe_resource *res;
+
+ /* cache the current front and back resources */
+ void *cache_handles[2];
+ struct pipe_resource *cache_resources[2];
+};
+
+struct android_config {
+ struct native_config base;
+};
+
+static INLINE struct android_display *
+android_display(const struct native_display *ndpy)
+{
+ return (struct android_display *) ndpy;
+}
+
+static INLINE struct android_surface *
+android_surface(const struct native_surface *nsurf)
+{
+ return (struct android_surface *) nsurf;
+}
+
+static INLINE struct android_config *
+android_config(const struct native_config *nconf)
+{
+ return (struct android_config *) nconf;
+}
+
+namespace android {
+
+static enum pipe_format
+get_pipe_format(int native)
+{
+ enum pipe_format fmt;
+
+ /* see libpixelflinger/format.cpp */
+ switch (native) {
+ case PIXEL_FORMAT_RGBA_8888:
+ fmt = PIPE_FORMAT_R8G8B8A8_UNORM;
+ break;
+ case PIXEL_FORMAT_RGBX_8888:
+ fmt = PIPE_FORMAT_R8G8B8X8_UNORM;
+ break;
+ case PIXEL_FORMAT_RGB_888:
+ fmt = PIPE_FORMAT_R8G8B8_UNORM;
+ break;
+ case PIXEL_FORMAT_RGB_565:
+ fmt = PIPE_FORMAT_B5G6R5_UNORM;
+ break;
+ case PIXEL_FORMAT_BGRA_8888:
+ fmt = PIPE_FORMAT_B8G8R8A8_UNORM;
+ break;
+ case PIXEL_FORMAT_A_8:
+ fmt = PIPE_FORMAT_A8_UNORM;
+ break;
+ case PIXEL_FORMAT_L_8:
+ fmt = PIPE_FORMAT_L8_UNORM;
+ break;
+ case PIXEL_FORMAT_LA_88:
+ fmt = PIPE_FORMAT_L8A8_UNORM;
+ break;
+ case PIXEL_FORMAT_NONE:
+ case PIXEL_FORMAT_RGBA_5551:
+ case PIXEL_FORMAT_RGBA_4444:
+ case PIXEL_FORMAT_RGB_332:
+ default:
+ LOGE("unsupported native format 0x%x", native);
+ fmt = PIPE_FORMAT_NONE;
+ break;
+ }
+
+ return fmt;
+}
+
+#include <gralloc_gem.h>
+static int
+get_handle_name(buffer_handle_t handle)
+{
+ struct drm_bo_t *bo;
+
+ bo = drm_gem_get(handle);
+
+ return (bo) ? bo->name : 0;
+}
+
+static struct pipe_resource *
+import_buffer(struct android_display *adpy, const struct pipe_resource *templ,
+ struct android_native_buffer_t *abuf)
+{
+ struct pipe_screen *screen = adpy->base.screen;
+ struct pipe_resource *res;
+
+ if (templ->bind & PIPE_BIND_RENDER_TARGET) {
+ if (!screen->is_format_supported(screen, templ->format,
+ templ->target, 0, PIPE_BIND_RENDER_TARGET, 0))
+ LOGW("importing unsupported buffer as render target");
+ }
+ if (templ->bind & PIPE_BIND_SAMPLER_VIEW) {
+ if (!screen->is_format_supported(screen, templ->format,
+ templ->target, 0, PIPE_BIND_SAMPLER_VIEW, 0))
+ LOGW("importing unsupported buffer as sampler view");
+ }
+
+ if (adpy->use_drm) {
+ struct winsys_handle handle;
+
+ memset(&handle, 0, sizeof(handle));
+ handle.type = DRM_API_HANDLE_TYPE_SHARED;
+ handle.handle = get_handle_name(abuf->handle);
+ if (!handle.handle) {
+ LOGE("unable to import invalid buffer %p", abuf);
+ return NULL;
+ }
+
+ handle.stride =
+ abuf->stride * util_format_get_blocksize(templ->format);
+
+ res = screen->resource_from_handle(screen, templ, &handle);
+ }
+ else {
+ struct android_winsys_handle handle;
+
+ memset(&handle, 0, sizeof(handle));
+ handle.handle = abuf->handle;
+ handle.stride =
+ abuf->stride * util_format_get_blocksize(templ->format);
+
+ res = screen->resource_from_handle(screen,
+ templ, (struct winsys_handle *) &handle);
+ }
+
+ if (!res)
+ LOGE("failed to import buffer %p", abuf);
+
+ return res;
+}
+
+static boolean
+android_surface_dequeue_buffer(struct native_surface *nsurf)
+{
+ struct android_surface *asurf = android_surface(nsurf);
+ void *handle;
+ int idx;
+
+ if (asurf->win->dequeueBuffer(asurf->win, &asurf->buf) != NO_ERROR) {
+ LOGE("failed to dequeue window %p", asurf->win);
+ return FALSE;
+ }
+
+ asurf->buf->common.incRef(&asurf->buf->common);
+ asurf->win->lockBuffer(asurf->win, asurf->buf);
+
+ if (asurf->adpy->use_drm)
+ handle = (void *) get_handle_name(asurf->buf->handle);
+ else
+ handle = (void *) asurf->buf->handle;
+ /* NULL is invalid */
+ if (!handle) {
+ LOGE("window %p returned an invalid buffer", asurf->win);
+ return TRUE;
+ }
+
+ /* find the slot to use */
+ for (idx = 0; idx < Elements(asurf->cache_handles); idx++) {
+ if (asurf->cache_handles[idx] == handle || !asurf->cache_handles[idx])
+ break;
+ }
+ if (idx == Elements(asurf->cache_handles)) {
+ /* buffer reallocated; clear the cache */
+ for (idx = 0; idx < Elements(asurf->cache_handles); idx++) {
+ asurf->cache_handles[idx] = 0;
+ pipe_resource_reference(&asurf->cache_resources[idx], NULL);
+ }
+ idx = 0;
+ }
+
+ /* update the cache */
+ if (!asurf->cache_handles[idx]) {
+ struct pipe_resource templ;
+
+ assert(!asurf->cache_resources[idx]);
+
+ memset(&templ, 0, sizeof(templ));
+ templ.target = PIPE_TEXTURE_2D;
+ templ.last_level = 0;
+ templ.width0 = asurf->buf->width;
+ templ.height0 = asurf->buf->height;
+ templ.depth0 = 1;
+ templ.bind = PIPE_BIND_RENDER_TARGET;
+ if (!asurf->adpy->use_drm) {
+ templ.bind |= PIPE_BIND_TRANSFER_WRITE |
+ PIPE_BIND_TRANSFER_READ;
+ }
+
+ templ.format = get_pipe_format(asurf->buf->format);
+ if (templ.format != PIPE_FORMAT_NONE) {
+ asurf->cache_resources[idx] =
+ import_buffer(asurf->adpy, &templ, asurf->buf);
+ }
+ else {
+ asurf->cache_resources[idx] = NULL;
+ }
+
+ asurf->cache_handles[idx] = handle;
+ }
+
+ pipe_resource_reference(&asurf->res, asurf->cache_resources[idx]);
+
+ return TRUE;
+}
+
+static boolean
+android_surface_enqueue_buffer(struct native_surface *nsurf)
+{
+ struct android_surface *asurf = android_surface(nsurf);
+
+ pipe_resource_reference(&asurf->res, NULL);
+
+ asurf->win->queueBuffer(asurf->win, asurf->buf);
+
+ asurf->buf->common.decRef(&asurf->buf->common);
+ asurf->buf = NULL;
+
+ return TRUE;
+}
+
+static boolean
+android_surface_swap_buffers(struct native_surface *nsurf)
+{
+ struct android_surface *asurf = android_surface(nsurf);
+ struct android_display *adpy = asurf->adpy;
+
+ if (!asurf->buf)
+ return FALSE;
+
+ android_surface_enqueue_buffer(&asurf->base);
+
+ asurf->stamp++;
+ adpy->event_handler->invalid_surface(&adpy->base,
+ &asurf->base, asurf->stamp);
+
+ return TRUE;
+}
+
+static boolean
+android_surface_present(struct native_surface *nsurf,
+ enum native_attachment natt,
+ boolean preserve,
+ uint swap_interval)
+{
+ boolean ret;
+
+ if (swap_interval || natt != NATIVE_ATTACHMENT_BACK_LEFT)
+ return FALSE;
+
+ return android_surface_swap_buffers(nsurf);
+}
+
+static boolean
+android_surface_validate(struct native_surface *nsurf, uint attachment_mask,
+ unsigned int *seq_num, struct pipe_resource **textures,
+ int *width, int *height)
+{
+ struct android_surface *asurf = android_surface(nsurf);
+ struct winsys_handle handle;
+
+ if (!asurf->buf) {
+ if (!android_surface_dequeue_buffer(&asurf->base))
+ return FALSE;
+ }
+
+ if (textures) {
+ const enum native_attachment att = NATIVE_ATTACHMENT_BACK_LEFT;
+
+ if (native_attachment_mask_test(attachment_mask, att)) {
+ textures[att] = NULL;
+ pipe_resource_reference(&textures[att], asurf->res);
+ }
+ }
+
+ if (seq_num)
+ *seq_num = asurf->stamp;
+ if (width)
+ *width = asurf->buf->width;
+ if (height)
+ *height = asurf->buf->height;
+
+ return TRUE;
+}
+
+static void
+android_surface_wait(struct native_surface *nsurf)
+{
+}
+
+static void
+android_surface_destroy(struct native_surface *nsurf)
+{
+ struct android_surface *asurf = android_surface(nsurf);
+ int i;
+
+ if (asurf->buf)
+ android_surface_enqueue_buffer(&asurf->base);
+
+ for (i = 0; i < Elements(asurf->cache_handles); i++)
+ pipe_resource_reference(&asurf->cache_resources[i], NULL);
+
+ asurf->win->common.decRef(&asurf->win->common);
+
+ FREE(asurf);
+}
+
+static struct native_surface *
+android_display_create_window_surface(struct native_display *ndpy,
+ EGLNativeWindowType win,
+ const struct native_config *nconf)
+{
+ struct android_display *adpy = android_display(ndpy);
+ struct android_config *aconf = android_config(nconf);
+ struct android_surface *asurf;
+ enum pipe_format format;
+ int val;
+
+ if (win->common.magic != ANDROID_NATIVE_WINDOW_MAGIC) {
+ LOGE("invalid native window with magic 0x%x", win->common.magic);
+ return NULL;
+ }
+ if (win->query(win, NATIVE_WINDOW_FORMAT, &val)) {
+ LOGE("failed to query native window format");
+ return NULL;
+ }
+ format = get_pipe_format(val);
+ if (format != nconf->color_format) {
+ LOGW("native window format 0x%x != config format 0x%x",
+ format, nconf->color_format);
+ if (!adpy->base.screen->is_format_supported(adpy->base.screen,
+ format, PIPE_TEXTURE_2D, 0, PIPE_BIND_RENDER_TARGET, 0)) {
+ LOGE("and the native window cannot be used as a render target");
+ return NULL;
+ }
+ }
+
+ asurf = CALLOC_STRUCT(android_surface);
+ if (!asurf)
+ return NULL;
+
+ asurf->adpy = adpy;
+ asurf->win = win;
+
+ asurf->win->common.incRef(&asurf->win->common);
+ if (!adpy->use_drm) {
+ native_window_set_usage(asurf->win,
+ GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN);
+ }
+
+ asurf->base.destroy = android_surface_destroy;
+ asurf->base.present = android_surface_present;
+ asurf->base.validate = android_surface_validate;
+ asurf->base.wait = android_surface_wait;
+
+ return &asurf->base;
+}
+
+static boolean
+android_display_init_configs(struct native_display *ndpy)
+{
+ struct android_display *adpy = android_display(ndpy);
+ const int native_formats[] = {
+ PIXEL_FORMAT_RGBA_8888,
+ PIXEL_FORMAT_RGBX_8888,
+ PIXEL_FORMAT_RGB_888,
+ PIXEL_FORMAT_RGB_565,
+ PIXEL_FORMAT_BGRA_8888,
+ PIXEL_FORMAT_A_8
+ };
+ int i;
+
+ adpy->configs = (struct android_config *)
+ CALLOC(Elements(native_formats), sizeof(*adpy->configs));
+ if (!adpy->configs)
+ return FALSE;
+
+ for (i = 0; i < Elements(native_formats); i++) {
+ enum pipe_format color_format;
+ struct android_config *aconf;
+
+ color_format = get_pipe_format(native_formats[i]);
+ if (color_format == PIPE_FORMAT_NONE ||
+ !adpy->base.screen->is_format_supported(adpy->base.screen,
+ color_format, PIPE_TEXTURE_2D, 0, PIPE_BIND_RENDER_TARGET, 0)) {
+ LOGI("skip unsupported native format 0x%x", native_formats[i]);
+ continue;
+ }
+
+ aconf = &adpy->configs[adpy->num_configs++];
+ aconf->base.buffer_mask = 1 << NATIVE_ATTACHMENT_BACK_LEFT;
+ aconf->base.color_format = color_format;
+ aconf->base.window_bit = TRUE;
+ if (!adpy->use_drm)
+ aconf->base.slow_config = TRUE;
+
+ aconf->base.native_visual_type = native_formats[i];
+ }
+
+ return TRUE;
+}
+
+static boolean
+android_display_init(struct native_display *ndpy)
+{
+ struct android_display *adpy = android_display(ndpy);
+ const hw_module_t *mod;
+ int fd, err;
+ boolean force_sw;
+ char value[PROPERTY_VALUE_MAX];
+
+ if (property_get("debug.mesa.software", value, NULL))
+ force_sw = (atoi(value) != 0);
+ else
+ force_sw = debug_get_bool_option("EGL_SOFTWARE", FALSE);
+
+ /* try DRM first */
+ if (!force_sw) {
+ err = hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &mod);
+ if (!err) {
+ const gralloc_module_t *gr = (gralloc_module_t *) mod;
+
+ err = -EINVAL;
+ if (gr->perform)
+ err = gr->perform(gr, GRALLOC_MODULE_PERFORM_GET_DRM_FD, &fd);
+ }
+ if (!err && fd >= 0) {
+ adpy->base.screen =
+ adpy->event_handler->new_drm_screen(&adpy->base, "i915", fd);
+ if (adpy->base.screen)
+ adpy->use_drm = TRUE;
+ }
+
+ if (adpy->base.screen)
+ LOGI("using DRM screen");
+ else
+ LOGE("failed to create DRM screen");
+ }
+
+ /* try SW screen */
+ if (!adpy->base.screen) {
+ struct sw_winsys *ws = android_create_sw_winsys();
+
+ if (ws) {
+ adpy->base.screen =
+ adpy->event_handler->new_sw_screen(&adpy->base, ws);
+ }
+
+ if (adpy->base.screen)
+ LOGI("using SW screen");
+ else
+ LOGE("failed to create SW screen");
+ }
+
+ if (adpy->base.screen) {
+ if (!android_display_init_configs(&adpy->base)) {
+ adpy->base.screen->destroy(adpy->base.screen);
+ adpy->base.screen = NULL;
+ }
+ }
+
+ return (adpy->base.screen != NULL);
+}
+
+static void
+android_display_destroy(struct native_display *ndpy)
+{
+ struct android_display *adpy = android_display(ndpy);
+
+ FREE(adpy->configs);
+ adpy->base.screen->destroy(adpy->base.screen);
+ FREE(adpy);
+}
+
+static const struct native_config **
+android_display_get_configs(struct native_display *ndpy, int *num_configs)
+{
+ struct android_display *adpy = android_display(ndpy);
+ const struct native_config **configs;
+ int i;
+
+ configs = (const struct native_config **)
+ MALLOC(adpy->num_configs * sizeof(*configs));
+ if (configs) {
+ for (i = 0; i < adpy->num_configs; i++)
+ configs[i] = (const struct native_config *) &adpy->configs[i];
+ if (num_configs)
+ *num_configs = adpy->num_configs;
+ }
+
+ return configs;
+}
+
+static int
+android_display_get_param(struct native_display *ndpy,
+ enum native_param_type param)
+{
+ int val;
+
+ switch (param) {
+ default:
+ val = 0;
+ break;
+ }
+
+ return val;
+}
+
+static struct pipe_resource *
+android_display_import_buffer(struct native_display *ndpy,
+ const struct pipe_resource *templ,
+ void *buf)
+{
+ struct android_display *adpy = android_display(ndpy);
+ struct android_native_buffer_t *abuf =
+ (struct android_native_buffer_t *) buf;
+
+ return import_buffer(adpy, templ, abuf);
+}
+
+static boolean
+android_display_export_buffer(struct native_display *ndpy,
+ struct pipe_resource *res,
+ void *buf)
+{
+ return FALSE;
+}
+
+static struct native_display_buffer android_display_buffer = {
+ android_display_import_buffer,
+ android_display_export_buffer
+};
+
+static struct android_display *
+android_display_create(struct native_event_handler *event_handler,
+ void *user_data)
+{
+ struct android_display *adpy;
+
+ adpy = CALLOC_STRUCT(android_display);
+ if (!adpy)
+ return NULL;
+
+ adpy->event_handler = event_handler;
+ adpy->base.user_data = user_data;
+
+ if (!android_display_init(&adpy->base)) {
+ FREE(adpy);
+ return NULL;
+ }
+
+ adpy->base.destroy = android_display_destroy;
+ adpy->base.get_param = android_display_get_param;
+ adpy->base.get_configs = android_display_get_configs;
+ adpy->base.create_window_surface = android_display_create_window_surface;
+
+ adpy->base.buffer = &android_display_buffer;
+
+ return adpy;
+}
+
+static struct native_display *
+native_create_display(void *dpy, struct native_event_handler *event_handler,
+ void *user_data)
+{
+ struct android_display *adpy;
+
+ adpy = android_display_create(event_handler, user_data);
+
+ return (adpy) ? &adpy->base : NULL;
+}
+
+static const struct native_platform android_platform = {
+ "Android", /* name */
+ native_create_display
+};
+
+}; /* namespace android */
+
+using namespace android;
+
+static void
+android_log(EGLint level, const char *msg)
+{
+ switch (level) {
+ case _EGL_DEBUG:
+ LOGD(msg);
+ break;
+ case _EGL_INFO:
+ LOGI(msg);
+ break;
+ case _EGL_WARNING:
+ LOGW(msg);
+ break;
+ case _EGL_FATAL:
+ LOG_FATAL(msg);
+ break;
+ default:
+ break;
+ }
+}
+
+const struct native_platform *
+native_get_android_platform(void)
+{
+ _eglSetLogProc(android_log);
+
+ return &android_platform;
+}
--- /dev/null
+/*
+ * Mesa 3-D graphics library
+ * Version: 7.9
+ *
+ * Copyright (C) 2010 LunarG Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Chia-I Wu <olv@lunarg.com>
+ */
+
+#include "pipe/p_compiler.h"
+#include "pipe/p_state.h"
+#include "util/u_memory.h"
+#include "util/u_format.h"
+#include "state_tracker/sw_winsys.h"
+
+#include <ui/PixelFormat.h>
+#include <private/ui/sw_gralloc_handle.h>
+#include <hardware/gralloc.h>
+
+#include "android_sw_winsys.h"
+
+struct android_sw_winsys
+{
+ struct sw_winsys base;
+
+ const gralloc_module_t *grmod;
+};
+
+struct android_sw_displaytarget
+{
+ buffer_handle_t handle;
+ int stride;
+ int width, height, usage;
+
+ void *mapped;
+};
+
+static INLINE struct android_sw_winsys *
+android_sw_winsys(struct sw_winsys *ws)
+{
+ return (struct android_sw_winsys *) ws;
+}
+
+static INLINE struct android_sw_displaytarget *
+android_sw_displaytarget(struct sw_displaytarget *dt)
+{
+ return (struct android_sw_displaytarget *) dt;
+}
+
+namespace android {
+
+static void
+android_displaytarget_display(struct sw_winsys *ws,
+ struct sw_displaytarget *dt,
+ void *context_private)
+{
+}
+
+static struct sw_displaytarget *
+android_displaytarget_create(struct sw_winsys *ws,
+ unsigned tex_usage,
+ enum pipe_format format,
+ unsigned width, unsigned height,
+ unsigned alignment,
+ unsigned *stride)
+{
+ return NULL;
+}
+
+static void
+android_displaytarget_destroy(struct sw_winsys *ws,
+ struct sw_displaytarget *dt)
+{
+ struct android_sw_displaytarget *adt = android_sw_displaytarget(dt);
+
+ assert(!adt->mapped);
+ FREE(adt);
+}
+
+static void
+android_displaytarget_unmap(struct sw_winsys *ws,
+ struct sw_displaytarget *dt)
+{
+ struct android_sw_winsys *droid = android_sw_winsys(ws);
+ struct android_sw_displaytarget *adt = android_sw_displaytarget(dt);
+
+ if (adt->mapped) {
+ if (sw_gralloc_handle_t::validate(adt->handle) >= 0) {
+ adt->mapped = NULL;
+ }
+ else {
+ droid->grmod->unlock(droid->grmod, adt->handle);
+ adt->mapped = NULL;
+ }
+ }
+}
+
+static void *
+android_displaytarget_map(struct sw_winsys *ws,
+ struct sw_displaytarget *dt,
+ unsigned flags)
+{
+ struct android_sw_winsys *droid = android_sw_winsys(ws);
+ struct android_sw_displaytarget *adt = android_sw_displaytarget(dt);
+
+ if (!adt->mapped) {
+ if (sw_gralloc_handle_t::validate(adt->handle) >= 0) {
+ const sw_gralloc_handle_t *swhandle =
+ reinterpret_cast<const sw_gralloc_handle_t *>(adt->handle);
+ adt->mapped = reinterpret_cast<void *>(swhandle->base);
+ }
+ else {
+ droid->grmod->lock(droid->grmod, adt->handle,
+ adt->usage, 0, 0, adt->width, adt->height, &adt->mapped);
+ }
+ }
+
+ return adt->mapped;
+}
+
+static struct sw_displaytarget *
+android_displaytarget_from_handle(struct sw_winsys *ws,
+ const struct pipe_resource *templ,
+ struct winsys_handle *whandle,
+ unsigned *stride)
+{
+ struct android_winsys_handle *ahandle =
+ (struct android_winsys_handle *) whandle;
+ struct android_sw_displaytarget *adt;
+
+ adt = CALLOC_STRUCT(android_sw_displaytarget);
+ if (!adt)
+ return NULL;
+
+ adt->handle = ahandle->handle;
+ adt->stride = ahandle->stride;
+ adt->width = templ->width0;
+ adt->height = templ->height0;
+
+ if (templ->usage & PIPE_BIND_RENDER_TARGET)
+ adt->usage |= GRALLOC_USAGE_HW_RENDER;
+ if (templ->usage & PIPE_BIND_SAMPLER_VIEW)
+ adt->usage |= GRALLOC_USAGE_HW_TEXTURE;
+ if (templ->usage & PIPE_BIND_SCANOUT)
+ adt->usage |= GRALLOC_USAGE_HW_FB;
+
+ if (templ->usage & PIPE_BIND_TRANSFER_READ)
+ adt->usage |= GRALLOC_USAGE_SW_READ_OFTEN;
+ if (templ->usage & PIPE_BIND_TRANSFER_WRITE)
+ adt->usage |= GRALLOC_USAGE_SW_WRITE_OFTEN;
+
+ if (stride)
+ *stride = adt->stride;
+
+ return reinterpret_cast<struct sw_displaytarget *>(adt);
+}
+
+static boolean
+android_displaytarget_get_handle(struct sw_winsys *ws,
+ struct sw_displaytarget *dt,
+ struct winsys_handle *whandle)
+{
+ return FALSE;
+}
+
+static boolean
+android_is_displaytarget_format_supported(struct sw_winsys *ws,
+ unsigned tex_usage,
+ enum pipe_format format)
+{
+ struct android_sw_winsys *droid = android_sw_winsys(ws);
+ int fmt;
+
+ switch (format) {
+ case PIPE_FORMAT_R8G8B8A8_UNORM:
+ fmt = PIXEL_FORMAT_RGBA_8888;
+ break;
+ case PIPE_FORMAT_R8G8B8X8_UNORM:
+ fmt = PIXEL_FORMAT_RGBX_8888;
+ break;
+ case PIPE_FORMAT_R8G8B8_UNORM:
+ fmt = PIXEL_FORMAT_RGB_888;
+ break;
+ case PIPE_FORMAT_B5G6R5_UNORM:
+ fmt = PIXEL_FORMAT_RGB_565;
+ break;
+ case PIPE_FORMAT_B8G8R8A8_UNORM:
+ fmt = PIXEL_FORMAT_BGRA_8888;
+ break;
+ case PIPE_FORMAT_A8_UNORM:
+ fmt = PIXEL_FORMAT_A_8;
+ break;
+ case PIPE_FORMAT_L8_UNORM:
+ fmt = PIXEL_FORMAT_L_8;
+ break;
+ case PIPE_FORMAT_L8A8_UNORM:
+ fmt = PIXEL_FORMAT_LA_88;
+ break;
+ default:
+ fmt = PIXEL_FORMAT_NONE;
+ break;
+ }
+
+ return (fmt != PIXEL_FORMAT_NONE);
+}
+
+static void
+android_destroy(struct sw_winsys *ws)
+{
+ struct android_sw_winsys *droid = android_sw_winsys(ws);
+
+ FREE(droid);
+}
+
+}; /* namespace android */
+
+using namespace android;
+
+struct sw_winsys *
+android_create_sw_winsys(void)
+{
+ struct android_sw_winsys *droid;
+ const hw_module_t *mod;
+
+ droid = CALLOC_STRUCT(android_sw_winsys);
+ if (!droid)
+ return NULL;
+
+ if (hw_get_module(GRALLOC_HARDWARE_MODULE_ID, &mod)) {
+ FREE(droid);
+ return NULL;
+ }
+
+ droid->grmod = (const gralloc_module_t *) mod;
+
+ droid->base.destroy = android_destroy;
+ droid->base.is_displaytarget_format_supported =
+ android_is_displaytarget_format_supported;
+
+ droid->base.displaytarget_create = android_displaytarget_create;
+ droid->base.displaytarget_destroy = android_displaytarget_destroy;
+ droid->base.displaytarget_from_handle = android_displaytarget_from_handle;
+ droid->base.displaytarget_get_handle = android_displaytarget_get_handle;
+
+ droid->base.displaytarget_map = android_displaytarget_map;
+ droid->base.displaytarget_unmap = android_displaytarget_unmap;
+ droid->base.displaytarget_display = android_displaytarget_display;
+
+ return &droid->base;
+}
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