| 0,0 → 1,263 |
|---|
| /* |
| * Mesa 3-D graphics library |
| * |
| * Copyright (C) 2010-2011 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 <hardware/gralloc.h> |
| #include <utils/Errors.h> |
| |
| #if ANDROID_VERSION < 0x0300 |
| #include <private/ui/sw_gralloc_handle.h> |
| #endif |
| |
| #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; |
| int usage; /* gralloc 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 ANDROID_VERSION < 0x0300 |
| /* try sw_gralloc first */ |
| if (adt->mapped && sw_gralloc_handle_t::validate(adt->handle) >= 0) { |
| adt->mapped = NULL; |
| return; |
| } |
| #endif |
| |
| if (adt->mapped) { |
| 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 ANDROID_VERSION < 0x0300 |
| /* try sw_gralloc first */ |
| 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); |
| |
| return adt->mapped; |
| } |
| #endif |
| |
| if (!adt->mapped) { |
| /* lock the buffer for CPU access */ |
| 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->bind & (PIPE_BIND_RENDER_TARGET | PIPE_BIND_TRANSFER_WRITE)) |
| adt->usage |= GRALLOC_USAGE_SW_WRITE_OFTEN; |
| if (templ->bind & (PIPE_BIND_SAMPLER_VIEW | PIPE_BIND_TRANSFER_READ)) |
| adt->usage |= GRALLOC_USAGE_SW_READ_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 = -1; |
| |
| switch (format) { |
| case PIPE_FORMAT_R8G8B8A8_UNORM: |
| fmt = HAL_PIXEL_FORMAT_RGBA_8888; |
| break; |
| case PIPE_FORMAT_R8G8B8X8_UNORM: |
| fmt = HAL_PIXEL_FORMAT_RGBX_8888; |
| break; |
| case PIPE_FORMAT_R8G8B8_UNORM: |
| fmt = HAL_PIXEL_FORMAT_RGB_888; |
| break; |
| case PIPE_FORMAT_B5G6R5_UNORM: |
| fmt = HAL_PIXEL_FORMAT_RGB_565; |
| break; |
| case PIPE_FORMAT_B8G8R8A8_UNORM: |
| fmt = HAL_PIXEL_FORMAT_BGRA_8888; |
| break; |
| default: |
| break; |
| } |
| |
| return (fmt != -1); |
| } |
| |
| 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; |
| } |