272 lines
6.4 KiB
C
272 lines
6.4 KiB
C
/*
|
|
* Copyright (C) 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.
|
|
*/
|
|
|
|
#ifndef ANDROID_EGLNATIVES_H
|
|
#define ANDROID_EGLNATIVES_H
|
|
|
|
#include <sys/types.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/*****************************************************************************/
|
|
|
|
/* flags returned from swapBuffer */
|
|
#define EGL_NATIVES_FLAG_SIZE_CHANGED 0x00000001
|
|
|
|
/* surface flags */
|
|
#define EGL_NATIVES_FLAG_DESTROY_BACKBUFFER 0x00000001
|
|
|
|
enum native_pixel_format_t
|
|
{
|
|
NATIVE_PIXEL_FORMAT_RGBA_8888 = 1,
|
|
NATIVE_PIXEL_FORMAT_RGB_565 = 4,
|
|
NATIVE_PIXEL_FORMAT_BGRA_8888 = 5,
|
|
NATIVE_PIXEL_FORMAT_RGBA_5551 = 6,
|
|
NATIVE_PIXEL_FORMAT_RGBA_4444 = 7,
|
|
NATIVE_PIXEL_FORMAT_YCbCr_422_SP= 0x10,
|
|
NATIVE_PIXEL_FORMAT_YCbCr_420_SP= 0x11,
|
|
};
|
|
|
|
enum native_memory_type_t
|
|
{
|
|
NATIVE_MEMORY_TYPE_PMEM = 0,
|
|
NATIVE_MEMORY_TYPE_GPU = 1,
|
|
NATIVE_MEMORY_TYPE_FB = 2,
|
|
NATIVE_MEMORY_TYPE_HEAP = 128
|
|
};
|
|
|
|
|
|
struct egl_native_window_t
|
|
{
|
|
/*
|
|
* magic must be set to 0x600913
|
|
*/
|
|
uint32_t magic;
|
|
|
|
/*
|
|
* must be sizeof(egl_native_window_t)
|
|
*/
|
|
uint32_t version;
|
|
|
|
/*
|
|
* ident is reserved for the Android platform
|
|
*/
|
|
uint32_t ident;
|
|
|
|
/*
|
|
* width, height and stride of the window in pixels
|
|
* Any of these value can be nul in which case GL commands are
|
|
* accepted and processed as usual, but not rendering occurs.
|
|
*/
|
|
int width; // w=h=0 is legal
|
|
int height;
|
|
int stride;
|
|
|
|
/*
|
|
* format of the native window (see ui/PixelFormat.h)
|
|
*/
|
|
int format;
|
|
|
|
/*
|
|
* Offset of the bits in the VRAM
|
|
*/
|
|
intptr_t offset;
|
|
|
|
/*
|
|
* flags describing some attributes of this surface
|
|
* EGL_NATIVES_FLAG_DESTROY_BACKBUFFER: backbuffer not preserved after
|
|
* eglSwapBuffers
|
|
*/
|
|
uint32_t flags;
|
|
|
|
/*
|
|
* horizontal and vertical resolution in DPI
|
|
*/
|
|
float xdpi;
|
|
float ydpi;
|
|
|
|
/*
|
|
* refresh rate in frames per second (Hz)
|
|
*/
|
|
float fps;
|
|
|
|
|
|
/*
|
|
* Base memory virtual address of the surface in the CPU side
|
|
*/
|
|
intptr_t base;
|
|
|
|
/*
|
|
* Heap the offset above is based from
|
|
*/
|
|
int fd;
|
|
|
|
/*
|
|
* Memory type the surface resides into
|
|
*/
|
|
uint8_t memory_type;
|
|
|
|
/*
|
|
* Reserved for future use. MUST BE ZERO.
|
|
*/
|
|
uint8_t reserved_pad[3];
|
|
int reserved[8];
|
|
|
|
/*
|
|
* Vertical stride (only relevant with planar formats)
|
|
*/
|
|
|
|
int vstride;
|
|
|
|
/*
|
|
* Hook called by EGL to hold a reference on this structure
|
|
*/
|
|
void (*incRef)(struct egl_native_window_t* window);
|
|
|
|
/*
|
|
* Hook called by EGL to release a reference on this structure
|
|
*/
|
|
void (*decRef)(struct egl_native_window_t* window);
|
|
|
|
/*
|
|
* Hook called by EGL to perform a page flip. This function
|
|
* may update the size attributes above, in which case it returns
|
|
* the EGL_NATIVES_FLAG_SIZE_CHANGED bit set.
|
|
*/
|
|
uint32_t (*swapBuffers)(struct egl_native_window_t* window);
|
|
|
|
/*
|
|
* Reserved for future use. MUST BE ZERO.
|
|
*/
|
|
void (*reserved_proc_0)(void);
|
|
|
|
/*
|
|
* Reserved for future use. MUST BE ZERO.
|
|
*/
|
|
void (*reserved_proc_1)(void);
|
|
|
|
/*
|
|
* Reserved for future use. MUST BE ZERO.
|
|
*/
|
|
void (*reserved_proc_2)(void);
|
|
|
|
|
|
/*
|
|
* Hook called by EGL when the native surface is associated to EGL
|
|
* (eglCreateWindowSurface). Can be NULL.
|
|
*/
|
|
void (*connect)(struct egl_native_window_t* window);
|
|
|
|
/*
|
|
* Hook called by EGL when eglDestroySurface is called. Can be NULL.
|
|
*/
|
|
void (*disconnect)(struct egl_native_window_t* window);
|
|
|
|
/*
|
|
* Reserved for future use. MUST BE ZERO.
|
|
*/
|
|
void (*reserved_proc[11])(void);
|
|
|
|
/*
|
|
* Some storage reserved for the oem driver.
|
|
*/
|
|
intptr_t oem[4];
|
|
};
|
|
|
|
|
|
struct egl_native_pixmap_t
|
|
{
|
|
int32_t version; /* must be 32 */
|
|
int32_t width;
|
|
int32_t height;
|
|
int32_t stride;
|
|
uint8_t* data;
|
|
uint8_t format;
|
|
uint8_t rfu[3];
|
|
union {
|
|
uint32_t compressedFormat;
|
|
int32_t vstride;
|
|
};
|
|
int32_t reserved;
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
|
|
/*
|
|
* This a convenience function to create a NativeWindowType surface
|
|
* that maps to the whole screen
|
|
* This function is actually implemented in libui.so
|
|
*/
|
|
|
|
struct egl_native_window_t* android_createDisplaySurface();
|
|
|
|
/*****************************************************************************/
|
|
|
|
|
|
/*
|
|
* OEM's egl's library (libhgl.so) must imlement these hooks to allocate
|
|
* the GPU memory they need
|
|
*/
|
|
|
|
|
|
typedef struct
|
|
{
|
|
// for internal use
|
|
void* user;
|
|
// virtual address of this area
|
|
void* base;
|
|
// size of this area in bytes
|
|
size_t size;
|
|
// physical address of this area
|
|
void* phys;
|
|
// offset in this area available to the GPU
|
|
size_t offset;
|
|
// fd of this area
|
|
int fd;
|
|
} gpu_area_t;
|
|
|
|
typedef struct
|
|
{
|
|
// area where GPU registers are mapped
|
|
gpu_area_t regs;
|
|
// number of extra areas (currently limited to 2)
|
|
int32_t count;
|
|
// extra GPU areas (currently limited to 2)
|
|
gpu_area_t gpu[2];
|
|
} request_gpu_t;
|
|
|
|
|
|
typedef request_gpu_t* (*OEM_EGL_acquire_gpu_t)(void* user);
|
|
typedef int (*OEM_EGL_release_gpu_t)(void* user, request_gpu_t* handle);
|
|
typedef void (*register_gpu_t)
|
|
(void* user, OEM_EGL_acquire_gpu_t, OEM_EGL_release_gpu_t);
|
|
|
|
void oem_register_gpu(
|
|
void* user,
|
|
OEM_EGL_acquire_gpu_t acquire,
|
|
OEM_EGL_release_gpu_t release);
|
|
|
|
|
|
/*****************************************************************************/
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* ANDROID_EGLNATIVES_H */
|