Native activity now draws!

Very simple and dumb, but we now get touch events and fill the
window with a color (using OpenGL) based on its location.

Change-Id: I6657d2bb013570238bc0fe639f33c59f1ab68872
This commit is contained in:
Dianne Hackborn
2010-07-01 18:47:16 -07:00
parent 88510488e9
commit 2b352d76d8
11 changed files with 1020 additions and 23 deletions

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/* -*- mode: c; tab-width: 8; -*- */
/* vi: set sw=4 ts=8: */
/* Reference version of egl.h for EGL 1.4.
* $Revision: 9356 $ on $Date: 2009-10-21 02:52:25 -0700 (Wed, 21 Oct 2009) $
*/
/*
** Copyright (c) 2007-2009 The Khronos Group Inc.
**
** Permission is hereby granted, free of charge, to any person obtaining a
** copy of this software and/or associated documentation files (the
** "Materials"), to deal in the Materials without restriction, including
** without limitation the rights to use, copy, modify, merge, publish,
** distribute, sublicense, and/or sell copies of the Materials, and to
** permit persons to whom the Materials are 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 Materials.
**
** THE MATERIALS ARE 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
** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
*/
#ifndef __egl_h_
#define __egl_h_
/* All platform-dependent types and macro boilerplate (such as EGLAPI
* and EGLAPIENTRY) should go in eglplatform.h.
*/
#include <EGL/eglplatform.h>
#ifdef __cplusplus
extern "C" {
#endif
/* EGL Types */
/* EGLint is defined in eglplatform.h */
typedef unsigned int EGLBoolean;
typedef unsigned int EGLenum;
typedef void *EGLConfig;
typedef void *EGLContext;
typedef void *EGLDisplay;
typedef void *EGLSurface;
typedef void *EGLClientBuffer;
/* EGL Versioning */
#define EGL_VERSION_1_0 1
#define EGL_VERSION_1_1 1
#define EGL_VERSION_1_2 1
#define EGL_VERSION_1_3 1
#define EGL_VERSION_1_4 1
/* EGL Enumerants. Bitmasks and other exceptional cases aside, most
* enums are assigned unique values starting at 0x3000.
*/
/* EGL aliases */
#define EGL_FALSE 0
#define EGL_TRUE 1
/* Out-of-band handle values */
#define EGL_DEFAULT_DISPLAY ((EGLNativeDisplayType)0)
#define EGL_NO_CONTEXT ((EGLContext)0)
#define EGL_NO_DISPLAY ((EGLDisplay)0)
#define EGL_NO_SURFACE ((EGLSurface)0)
/* Out-of-band attribute value */
#define EGL_DONT_CARE ((EGLint)-1)
/* Errors / GetError return values */
#define EGL_SUCCESS 0x3000
#define EGL_NOT_INITIALIZED 0x3001
#define EGL_BAD_ACCESS 0x3002
#define EGL_BAD_ALLOC 0x3003
#define EGL_BAD_ATTRIBUTE 0x3004
#define EGL_BAD_CONFIG 0x3005
#define EGL_BAD_CONTEXT 0x3006
#define EGL_BAD_CURRENT_SURFACE 0x3007
#define EGL_BAD_DISPLAY 0x3008
#define EGL_BAD_MATCH 0x3009
#define EGL_BAD_NATIVE_PIXMAP 0x300A
#define EGL_BAD_NATIVE_WINDOW 0x300B
#define EGL_BAD_PARAMETER 0x300C
#define EGL_BAD_SURFACE 0x300D
#define EGL_CONTEXT_LOST 0x300E /* EGL 1.1 - IMG_power_management */
/* Reserved 0x300F-0x301F for additional errors */
/* Config attributes */
#define EGL_BUFFER_SIZE 0x3020
#define EGL_ALPHA_SIZE 0x3021
#define EGL_BLUE_SIZE 0x3022
#define EGL_GREEN_SIZE 0x3023
#define EGL_RED_SIZE 0x3024
#define EGL_DEPTH_SIZE 0x3025
#define EGL_STENCIL_SIZE 0x3026
#define EGL_CONFIG_CAVEAT 0x3027
#define EGL_CONFIG_ID 0x3028
#define EGL_LEVEL 0x3029
#define EGL_MAX_PBUFFER_HEIGHT 0x302A
#define EGL_MAX_PBUFFER_PIXELS 0x302B
#define EGL_MAX_PBUFFER_WIDTH 0x302C
#define EGL_NATIVE_RENDERABLE 0x302D
#define EGL_NATIVE_VISUAL_ID 0x302E
#define EGL_NATIVE_VISUAL_TYPE 0x302F
#define EGL_SAMPLES 0x3031
#define EGL_SAMPLE_BUFFERS 0x3032
#define EGL_SURFACE_TYPE 0x3033
#define EGL_TRANSPARENT_TYPE 0x3034
#define EGL_TRANSPARENT_BLUE_VALUE 0x3035
#define EGL_TRANSPARENT_GREEN_VALUE 0x3036
#define EGL_TRANSPARENT_RED_VALUE 0x3037
#define EGL_NONE 0x3038 /* Attrib list terminator */
#define EGL_BIND_TO_TEXTURE_RGB 0x3039
#define EGL_BIND_TO_TEXTURE_RGBA 0x303A
#define EGL_MIN_SWAP_INTERVAL 0x303B
#define EGL_MAX_SWAP_INTERVAL 0x303C
#define EGL_LUMINANCE_SIZE 0x303D
#define EGL_ALPHA_MASK_SIZE 0x303E
#define EGL_COLOR_BUFFER_TYPE 0x303F
#define EGL_RENDERABLE_TYPE 0x3040
#define EGL_MATCH_NATIVE_PIXMAP 0x3041 /* Pseudo-attribute (not queryable) */
#define EGL_CONFORMANT 0x3042
/* Reserved 0x3041-0x304F for additional config attributes */
/* Config attribute values */
#define EGL_SLOW_CONFIG 0x3050 /* EGL_CONFIG_CAVEAT value */
#define EGL_NON_CONFORMANT_CONFIG 0x3051 /* EGL_CONFIG_CAVEAT value */
#define EGL_TRANSPARENT_RGB 0x3052 /* EGL_TRANSPARENT_TYPE value */
#define EGL_RGB_BUFFER 0x308E /* EGL_COLOR_BUFFER_TYPE value */
#define EGL_LUMINANCE_BUFFER 0x308F /* EGL_COLOR_BUFFER_TYPE value */
/* More config attribute values, for EGL_TEXTURE_FORMAT */
#define EGL_NO_TEXTURE 0x305C
#define EGL_TEXTURE_RGB 0x305D
#define EGL_TEXTURE_RGBA 0x305E
#define EGL_TEXTURE_2D 0x305F
/* Config attribute mask bits */
#define EGL_PBUFFER_BIT 0x0001 /* EGL_SURFACE_TYPE mask bits */
#define EGL_PIXMAP_BIT 0x0002 /* EGL_SURFACE_TYPE mask bits */
#define EGL_WINDOW_BIT 0x0004 /* EGL_SURFACE_TYPE mask bits */
#define EGL_VG_COLORSPACE_LINEAR_BIT 0x0020 /* EGL_SURFACE_TYPE mask bits */
#define EGL_VG_ALPHA_FORMAT_PRE_BIT 0x0040 /* EGL_SURFACE_TYPE mask bits */
#define EGL_MULTISAMPLE_RESOLVE_BOX_BIT 0x0200 /* EGL_SURFACE_TYPE mask bits */
#define EGL_SWAP_BEHAVIOR_PRESERVED_BIT 0x0400 /* EGL_SURFACE_TYPE mask bits */
#define EGL_OPENGL_ES_BIT 0x0001 /* EGL_RENDERABLE_TYPE mask bits */
#define EGL_OPENVG_BIT 0x0002 /* EGL_RENDERABLE_TYPE mask bits */
#define EGL_OPENGL_ES2_BIT 0x0004 /* EGL_RENDERABLE_TYPE mask bits */
#define EGL_OPENGL_BIT 0x0008 /* EGL_RENDERABLE_TYPE mask bits */
/* QueryString targets */
#define EGL_VENDOR 0x3053
#define EGL_VERSION 0x3054
#define EGL_EXTENSIONS 0x3055
#define EGL_CLIENT_APIS 0x308D
/* QuerySurface / SurfaceAttrib / CreatePbufferSurface targets */
#define EGL_HEIGHT 0x3056
#define EGL_WIDTH 0x3057
#define EGL_LARGEST_PBUFFER 0x3058
#define EGL_TEXTURE_FORMAT 0x3080
#define EGL_TEXTURE_TARGET 0x3081
#define EGL_MIPMAP_TEXTURE 0x3082
#define EGL_MIPMAP_LEVEL 0x3083
#define EGL_RENDER_BUFFER 0x3086
#define EGL_VG_COLORSPACE 0x3087
#define EGL_VG_ALPHA_FORMAT 0x3088
#define EGL_HORIZONTAL_RESOLUTION 0x3090
#define EGL_VERTICAL_RESOLUTION 0x3091
#define EGL_PIXEL_ASPECT_RATIO 0x3092
#define EGL_SWAP_BEHAVIOR 0x3093
#define EGL_MULTISAMPLE_RESOLVE 0x3099
/* EGL_RENDER_BUFFER values / BindTexImage / ReleaseTexImage buffer targets */
#define EGL_BACK_BUFFER 0x3084
#define EGL_SINGLE_BUFFER 0x3085
/* OpenVG color spaces */
#define EGL_VG_COLORSPACE_sRGB 0x3089 /* EGL_VG_COLORSPACE value */
#define EGL_VG_COLORSPACE_LINEAR 0x308A /* EGL_VG_COLORSPACE value */
/* OpenVG alpha formats */
#define EGL_VG_ALPHA_FORMAT_NONPRE 0x308B /* EGL_ALPHA_FORMAT value */
#define EGL_VG_ALPHA_FORMAT_PRE 0x308C /* EGL_ALPHA_FORMAT value */
/* Constant scale factor by which fractional display resolutions &
* aspect ratio are scaled when queried as integer values.
*/
#define EGL_DISPLAY_SCALING 10000
/* Unknown display resolution/aspect ratio */
#define EGL_UNKNOWN ((EGLint)-1)
/* Back buffer swap behaviors */
#define EGL_BUFFER_PRESERVED 0x3094 /* EGL_SWAP_BEHAVIOR value */
#define EGL_BUFFER_DESTROYED 0x3095 /* EGL_SWAP_BEHAVIOR value */
/* CreatePbufferFromClientBuffer buffer types */
#define EGL_OPENVG_IMAGE 0x3096
/* QueryContext targets */
#define EGL_CONTEXT_CLIENT_TYPE 0x3097
/* CreateContext attributes */
#define EGL_CONTEXT_CLIENT_VERSION 0x3098
/* Multisample resolution behaviors */
#define EGL_MULTISAMPLE_RESOLVE_DEFAULT 0x309A /* EGL_MULTISAMPLE_RESOLVE value */
#define EGL_MULTISAMPLE_RESOLVE_BOX 0x309B /* EGL_MULTISAMPLE_RESOLVE value */
/* BindAPI/QueryAPI targets */
#define EGL_OPENGL_ES_API 0x30A0
#define EGL_OPENVG_API 0x30A1
#define EGL_OPENGL_API 0x30A2
/* GetCurrentSurface targets */
#define EGL_DRAW 0x3059
#define EGL_READ 0x305A
/* WaitNative engines */
#define EGL_CORE_NATIVE_ENGINE 0x305B
/* EGL 1.2 tokens renamed for consistency in EGL 1.3 */
#define EGL_COLORSPACE EGL_VG_COLORSPACE
#define EGL_ALPHA_FORMAT EGL_VG_ALPHA_FORMAT
#define EGL_COLORSPACE_sRGB EGL_VG_COLORSPACE_sRGB
#define EGL_COLORSPACE_LINEAR EGL_VG_COLORSPACE_LINEAR
#define EGL_ALPHA_FORMAT_NONPRE EGL_VG_ALPHA_FORMAT_NONPRE
#define EGL_ALPHA_FORMAT_PRE EGL_VG_ALPHA_FORMAT_PRE
/* EGL extensions must request enum blocks from the Khronos
* API Registrar, who maintains the enumerant registry. Submit
* a bug in Khronos Bugzilla against task "Registry".
*/
/* EGL Functions */
EGLAPI EGLint EGLAPIENTRY eglGetError(void);
EGLAPI EGLDisplay EGLAPIENTRY eglGetDisplay(EGLNativeDisplayType display_id);
EGLAPI EGLBoolean EGLAPIENTRY eglInitialize(EGLDisplay dpy, EGLint *major, EGLint *minor);
EGLAPI EGLBoolean EGLAPIENTRY eglTerminate(EGLDisplay dpy);
EGLAPI const char * EGLAPIENTRY eglQueryString(EGLDisplay dpy, EGLint name);
EGLAPI EGLBoolean EGLAPIENTRY eglGetConfigs(EGLDisplay dpy, EGLConfig *configs,
EGLint config_size, EGLint *num_config);
EGLAPI EGLBoolean EGLAPIENTRY eglChooseConfig(EGLDisplay dpy, const EGLint *attrib_list,
EGLConfig *configs, EGLint config_size,
EGLint *num_config);
EGLAPI EGLBoolean EGLAPIENTRY eglGetConfigAttrib(EGLDisplay dpy, EGLConfig config,
EGLint attribute, EGLint *value);
EGLAPI EGLSurface EGLAPIENTRY eglCreateWindowSurface(EGLDisplay dpy, EGLConfig config,
EGLNativeWindowType win,
const EGLint *attrib_list);
EGLAPI EGLSurface EGLAPIENTRY eglCreatePbufferSurface(EGLDisplay dpy, EGLConfig config,
const EGLint *attrib_list);
EGLAPI EGLSurface EGLAPIENTRY eglCreatePixmapSurface(EGLDisplay dpy, EGLConfig config,
EGLNativePixmapType pixmap,
const EGLint *attrib_list);
EGLAPI EGLBoolean EGLAPIENTRY eglDestroySurface(EGLDisplay dpy, EGLSurface surface);
EGLAPI EGLBoolean EGLAPIENTRY eglQuerySurface(EGLDisplay dpy, EGLSurface surface,
EGLint attribute, EGLint *value);
EGLAPI EGLBoolean EGLAPIENTRY eglBindAPI(EGLenum api);
EGLAPI EGLenum EGLAPIENTRY eglQueryAPI(void);
EGLAPI EGLBoolean EGLAPIENTRY eglWaitClient(void);
EGLAPI EGLBoolean EGLAPIENTRY eglReleaseThread(void);
EGLAPI EGLSurface EGLAPIENTRY eglCreatePbufferFromClientBuffer(
EGLDisplay dpy, EGLenum buftype, EGLClientBuffer buffer,
EGLConfig config, const EGLint *attrib_list);
EGLAPI EGLBoolean EGLAPIENTRY eglSurfaceAttrib(EGLDisplay dpy, EGLSurface surface,
EGLint attribute, EGLint value);
EGLAPI EGLBoolean EGLAPIENTRY eglBindTexImage(EGLDisplay dpy, EGLSurface surface, EGLint buffer);
EGLAPI EGLBoolean EGLAPIENTRY eglReleaseTexImage(EGLDisplay dpy, EGLSurface surface, EGLint buffer);
EGLAPI EGLBoolean EGLAPIENTRY eglSwapInterval(EGLDisplay dpy, EGLint interval);
EGLAPI EGLContext EGLAPIENTRY eglCreateContext(EGLDisplay dpy, EGLConfig config,
EGLContext share_context,
const EGLint *attrib_list);
EGLAPI EGLBoolean EGLAPIENTRY eglDestroyContext(EGLDisplay dpy, EGLContext ctx);
EGLAPI EGLBoolean EGLAPIENTRY eglMakeCurrent(EGLDisplay dpy, EGLSurface draw,
EGLSurface read, EGLContext ctx);
EGLAPI EGLContext EGLAPIENTRY eglGetCurrentContext(void);
EGLAPI EGLSurface EGLAPIENTRY eglGetCurrentSurface(EGLint readdraw);
EGLAPI EGLDisplay EGLAPIENTRY eglGetCurrentDisplay(void);
EGLAPI EGLBoolean EGLAPIENTRY eglQueryContext(EGLDisplay dpy, EGLContext ctx,
EGLint attribute, EGLint *value);
EGLAPI EGLBoolean EGLAPIENTRY eglWaitGL(void);
EGLAPI EGLBoolean EGLAPIENTRY eglWaitNative(EGLint engine);
EGLAPI EGLBoolean EGLAPIENTRY eglSwapBuffers(EGLDisplay dpy, EGLSurface surface);
EGLAPI EGLBoolean EGLAPIENTRY eglCopyBuffers(EGLDisplay dpy, EGLSurface surface,
EGLNativePixmapType target);
/* This is a generic function pointer type, whose name indicates it must
* be cast to the proper type *and calling convention* before use.
*/
typedef void (*__eglMustCastToProperFunctionPointerType)(void);
/* Now, define eglGetProcAddress using the generic function ptr. type */
EGLAPI __eglMustCastToProperFunctionPointerType EGLAPIENTRY
eglGetProcAddress(const char *procname);
#ifdef __cplusplus
}
#endif
#endif /* __egl_h_ */

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#ifndef __eglext_h_
#define __eglext_h_
#ifdef __cplusplus
extern "C" {
#endif
/*
** Copyright (c) 2007-2010 The Khronos Group Inc.
**
** Permission is hereby granted, free of charge, to any person obtaining a
** copy of this software and/or associated documentation files (the
** "Materials"), to deal in the Materials without restriction, including
** without limitation the rights to use, copy, modify, merge, publish,
** distribute, sublicense, and/or sell copies of the Materials, and to
** permit persons to whom the Materials are 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 Materials.
**
** THE MATERIALS ARE 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
** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
*/
#include <EGL/eglplatform.h>
/*************************************************************/
/* Header file version number */
/* Current version at http://www.khronos.org/registry/egl/ */
/* $Revision: 11249 $ on $Date: 2010-05-05 09:54:28 -0700 (Wed, 05 May 2010) $ */
#define EGL_EGLEXT_VERSION 5
#ifndef EGL_KHR_config_attribs
#define EGL_KHR_config_attribs 1
#define EGL_CONFORMANT_KHR 0x3042 /* EGLConfig attribute */
#define EGL_VG_COLORSPACE_LINEAR_BIT_KHR 0x0020 /* EGL_SURFACE_TYPE bitfield */
#define EGL_VG_ALPHA_FORMAT_PRE_BIT_KHR 0x0040 /* EGL_SURFACE_TYPE bitfield */
#endif
#ifndef EGL_KHR_lock_surface
#define EGL_KHR_lock_surface 1
#define EGL_READ_SURFACE_BIT_KHR 0x0001 /* EGL_LOCK_USAGE_HINT_KHR bitfield */
#define EGL_WRITE_SURFACE_BIT_KHR 0x0002 /* EGL_LOCK_USAGE_HINT_KHR bitfield */
#define EGL_LOCK_SURFACE_BIT_KHR 0x0080 /* EGL_SURFACE_TYPE bitfield */
#define EGL_OPTIMAL_FORMAT_BIT_KHR 0x0100 /* EGL_SURFACE_TYPE bitfield */
#define EGL_MATCH_FORMAT_KHR 0x3043 /* EGLConfig attribute */
#define EGL_FORMAT_RGB_565_EXACT_KHR 0x30C0 /* EGL_MATCH_FORMAT_KHR value */
#define EGL_FORMAT_RGB_565_KHR 0x30C1 /* EGL_MATCH_FORMAT_KHR value */
#define EGL_FORMAT_RGBA_8888_EXACT_KHR 0x30C2 /* EGL_MATCH_FORMAT_KHR value */
#define EGL_FORMAT_RGBA_8888_KHR 0x30C3 /* EGL_MATCH_FORMAT_KHR value */
#define EGL_MAP_PRESERVE_PIXELS_KHR 0x30C4 /* eglLockSurfaceKHR attribute */
#define EGL_LOCK_USAGE_HINT_KHR 0x30C5 /* eglLockSurfaceKHR attribute */
#define EGL_BITMAP_POINTER_KHR 0x30C6 /* eglQuerySurface attribute */
#define EGL_BITMAP_PITCH_KHR 0x30C7 /* eglQuerySurface attribute */
#define EGL_BITMAP_ORIGIN_KHR 0x30C8 /* eglQuerySurface attribute */
#define EGL_BITMAP_PIXEL_RED_OFFSET_KHR 0x30C9 /* eglQuerySurface attribute */
#define EGL_BITMAP_PIXEL_GREEN_OFFSET_KHR 0x30CA /* eglQuerySurface attribute */
#define EGL_BITMAP_PIXEL_BLUE_OFFSET_KHR 0x30CB /* eglQuerySurface attribute */
#define EGL_BITMAP_PIXEL_ALPHA_OFFSET_KHR 0x30CC /* eglQuerySurface attribute */
#define EGL_BITMAP_PIXEL_LUMINANCE_OFFSET_KHR 0x30CD /* eglQuerySurface attribute */
#define EGL_LOWER_LEFT_KHR 0x30CE /* EGL_BITMAP_ORIGIN_KHR value */
#define EGL_UPPER_LEFT_KHR 0x30CF /* EGL_BITMAP_ORIGIN_KHR value */
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLBoolean EGLAPIENTRY eglLockSurfaceKHR (EGLDisplay display, EGLSurface surface, const EGLint *attrib_list);
EGLAPI EGLBoolean EGLAPIENTRY eglUnlockSurfaceKHR (EGLDisplay display, EGLSurface surface);
#endif /* EGL_EGLEXT_PROTOTYPES */
typedef EGLBoolean (EGLAPIENTRYP PFNEGLLOCKSURFACEKHRPROC) (EGLDisplay display, EGLSurface surface, const EGLint *attrib_list);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLUNLOCKSURFACEKHRPROC) (EGLDisplay display, EGLSurface surface);
#endif
#ifndef EGL_KHR_image
#define EGL_KHR_image 1
#define EGL_NATIVE_PIXMAP_KHR 0x30B0 /* eglCreateImageKHR target */
typedef void *EGLImageKHR;
#define EGL_NO_IMAGE_KHR ((EGLImageKHR)0)
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLImageKHR EGLAPIENTRY eglCreateImageKHR (EGLDisplay dpy, EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list);
EGLAPI EGLBoolean EGLAPIENTRY eglDestroyImageKHR (EGLDisplay dpy, EGLImageKHR image);
#endif /* EGL_EGLEXT_PROTOTYPES */
typedef EGLImageKHR (EGLAPIENTRYP PFNEGLCREATEIMAGEKHRPROC) (EGLDisplay dpy, EGLContext ctx, EGLenum target, EGLClientBuffer buffer, const EGLint *attrib_list);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLDESTROYIMAGEKHRPROC) (EGLDisplay dpy, EGLImageKHR image);
#endif
#ifndef EGL_KHR_vg_parent_image
#define EGL_KHR_vg_parent_image 1
#define EGL_VG_PARENT_IMAGE_KHR 0x30BA /* eglCreateImageKHR target */
#endif
#ifndef EGL_KHR_gl_texture_2D_image
#define EGL_KHR_gl_texture_2D_image 1
#define EGL_GL_TEXTURE_2D_KHR 0x30B1 /* eglCreateImageKHR target */
#define EGL_GL_TEXTURE_LEVEL_KHR 0x30BC /* eglCreateImageKHR attribute */
#endif
#ifndef EGL_KHR_gl_texture_cubemap_image
#define EGL_KHR_gl_texture_cubemap_image 1
#define EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR 0x30B3 /* eglCreateImageKHR target */
#define EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR 0x30B4 /* eglCreateImageKHR target */
#define EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR 0x30B5 /* eglCreateImageKHR target */
#define EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR 0x30B6 /* eglCreateImageKHR target */
#define EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR 0x30B7 /* eglCreateImageKHR target */
#define EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR 0x30B8 /* eglCreateImageKHR target */
#endif
#ifndef EGL_KHR_gl_texture_3D_image
#define EGL_KHR_gl_texture_3D_image 1
#define EGL_GL_TEXTURE_3D_KHR 0x30B2 /* eglCreateImageKHR target */
#define EGL_GL_TEXTURE_ZOFFSET_KHR 0x30BD /* eglCreateImageKHR attribute */
#endif
#ifndef EGL_KHR_gl_renderbuffer_image
#define EGL_KHR_gl_renderbuffer_image 1
#define EGL_GL_RENDERBUFFER_KHR 0x30B9 /* eglCreateImageKHR target */
#endif
#ifndef EGL_KHR_reusable_sync
#define EGL_KHR_reusable_sync 1
typedef void* EGLSyncKHR;
typedef khronos_utime_nanoseconds_t EGLTimeKHR;
#define EGL_SYNC_STATUS_KHR 0x30F1
#define EGL_SIGNALED_KHR 0x30F2
#define EGL_UNSIGNALED_KHR 0x30F3
#define EGL_TIMEOUT_EXPIRED_KHR 0x30F5
#define EGL_CONDITION_SATISFIED_KHR 0x30F6
#define EGL_SYNC_TYPE_KHR 0x30F7
#define EGL_SYNC_REUSABLE_KHR 0x30FA
#define EGL_SYNC_FLUSH_COMMANDS_BIT_KHR 0x0001 /* eglClientWaitSyncKHR <flags> bitfield */
#define EGL_FOREVER_KHR 0xFFFFFFFFFFFFFFFFull
#define EGL_NO_SYNC_KHR ((EGLSyncKHR)0)
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLSyncKHR EGLAPIENTRY eglCreateSyncKHR(EGLDisplay dpy, EGLenum type, const EGLint *attrib_list);
EGLAPI EGLBoolean EGLAPIENTRY eglDestroySyncKHR(EGLDisplay dpy, EGLSyncKHR sync);
EGLAPI EGLint EGLAPIENTRY eglClientWaitSyncKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLint flags, EGLTimeKHR timeout);
EGLAPI EGLBoolean EGLAPIENTRY eglSignalSyncKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLenum mode);
EGLAPI EGLBoolean EGLAPIENTRY eglGetSyncAttribKHR(EGLDisplay dpy, EGLSyncKHR sync, EGLint attribute, EGLint *value);
#endif /* EGL_EGLEXT_PROTOTYPES */
typedef EGLSyncKHR (EGLAPIENTRYP PFNEGLCREATESYNCKHRPROC) (EGLDisplay dpy, EGLenum type, const EGLint *attrib_list);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLDESTROYSYNCKHRPROC) (EGLDisplay dpy, EGLSyncKHR sync);
typedef EGLint (EGLAPIENTRYP PFNEGLCLIENTWAITSYNCKHRPROC) (EGLDisplay dpy, EGLSyncKHR sync, EGLint flags, EGLTimeKHR timeout);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLSIGNALSYNCKHRPROC) (EGLDisplay dpy, EGLSyncKHR sync, EGLenum mode);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLGETSYNCATTRIBKHRPROC) (EGLDisplay dpy, EGLSyncKHR sync, EGLint attribute, EGLint *value);
#endif
#ifndef EGL_KHR_image_base
#define EGL_KHR_image_base 1
/* Most interfaces defined by EGL_KHR_image_pixmap above */
#define EGL_IMAGE_PRESERVED_KHR 0x30D2 /* eglCreateImageKHR attribute */
#endif
#ifndef EGL_KHR_image_pixmap
#define EGL_KHR_image_pixmap 1
/* Interfaces defined by EGL_KHR_image above */
#endif
#ifndef EGL_IMG_context_priority
#define EGL_IMG_context_priority 1
#define EGL_CONTEXT_PRIORITY_LEVEL_IMG 0x3100
#define EGL_CONTEXT_PRIORITY_HIGH_IMG 0x3101
#define EGL_CONTEXT_PRIORITY_MEDIUM_IMG 0x3102
#define EGL_CONTEXT_PRIORITY_LOW_IMG 0x3103
#endif
#ifndef EGL_NV_coverage_sample
#define EGL_NV_coverage_sample 1
#define EGL_COVERAGE_BUFFERS_NV 0x30E0
#define EGL_COVERAGE_SAMPLES_NV 0x30E1
#endif
#ifndef EGL_NV_depth_nonlinear
#define EGL_NV_depth_nonlinear 1
#define EGL_DEPTH_ENCODING_NV 0x30E2
#define EGL_DEPTH_ENCODING_NONE_NV 0
#define EGL_DEPTH_ENCODING_NONLINEAR_NV 0x30E3
#endif
#ifndef EGL_NV_sync
#define EGL_NV_sync 1
#define EGL_SYNC_PRIOR_COMMANDS_COMPLETE_NV 0x30E6
#define EGL_SYNC_STATUS_NV 0x30E7
#define EGL_SIGNALED_NV 0x30E8
#define EGL_UNSIGNALED_NV 0x30E9
#define EGL_SYNC_FLUSH_COMMANDS_BIT_NV 0x0001
#define EGL_FOREVER_NV 0xFFFFFFFFFFFFFFFFull
#define EGL_ALREADY_SIGNALED_NV 0x30EA
#define EGL_TIMEOUT_EXPIRED_NV 0x30EB
#define EGL_CONDITION_SATISFIED_NV 0x30EC
#define EGL_SYNC_TYPE_NV 0x30ED
#define EGL_SYNC_CONDITION_NV 0x30EE
#define EGL_SYNC_FENCE_NV 0x30EF
#define EGL_NO_SYNC_NV ((EGLSyncNV)0)
typedef void* EGLSyncNV;
typedef unsigned long long EGLTimeNV;
#ifdef EGL_EGLEXT_PROTOTYPES
EGLSyncNV eglCreateFenceSyncNV (EGLDisplay dpy, EGLenum condition, const EGLint *attrib_list);
EGLBoolean eglDestroySyncNV (EGLSyncNV sync);
EGLBoolean eglFenceNV (EGLSyncNV sync);
EGLint eglClientWaitSyncNV (EGLSyncNV sync, EGLint flags, EGLTimeNV timeout);
EGLBoolean eglSignalSyncNV (EGLSyncNV sync, EGLenum mode);
EGLBoolean eglGetSyncAttribNV (EGLSyncNV sync, EGLint attribute, EGLint *value);
#endif /* EGL_EGLEXT_PROTOTYPES */
typedef EGLSyncNV (EGLAPIENTRYP PFNEGLCREATEFENCESYNCNVPROC) (EGLDisplay dpy, EGLenum condition, const EGLint *attrib_list);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLDESTROYSYNCNVPROC) (EGLSyncNV sync);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLFENCENVPROC) (EGLSyncNV sync);
typedef EGLint (EGLAPIENTRYP PFNEGLCLIENTWAITSYNCNVPROC) (EGLSyncNV sync, EGLint flags, EGLTimeNV timeout);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLSIGNALSYNCNVPROC) (EGLSyncNV sync, EGLenum mode);
typedef EGLBoolean (EGLAPIENTRYP PFNEGLGETSYNCATTRIBNVPROC) (EGLSyncNV sync, EGLint attribute, EGLint *value);
#endif
#ifndef EGL_KHR_fence_sync
#define EGL_KHR_fence_sync 1
/* Reuses most tokens and entry points from EGL_KHR_reusable_sync */
#define EGL_SYNC_PRIOR_COMMANDS_COMPLETE_KHR 0x30F0
#define EGL_SYNC_CONDITION_KHR 0x30F8
#define EGL_SYNC_FENCE_KHR 0x30F9
#endif
#ifndef EGL_ANDROID_image_native_buffer
#define EGL_ANDROID_image_native_buffer 1
struct android_native_buffer_t;
#define EGL_NATIVE_BUFFER_ANDROID 0x3140 /* eglCreateImageKHR target */
#endif
#ifndef EGL_ANDROID_get_render_buffer
#define EGL_ANDROID_get_render_buffer 1
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLClientBuffer EGLAPIENTRY eglGetRenderBufferANDROID(EGLDisplay dpy, EGLSurface draw);
#endif
typedef EGLClientBuffer (EGLAPIENTRYP PFNEGLGETRENDERBUFFERANDROIDPROC) (EGLDisplay dpy, EGLSurface draw);
#endif
#ifndef EGL_ANDROID_swap_rectangle
#define EGL_ANDROID_swap_rectangle 1
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLBoolean EGLAPIENTRY eglSetSwapRectangleANDROID (EGLDisplay dpy, EGLSurface draw, EGLint left, EGLint top, EGLint width, EGLint height);
#endif /* EGL_EGLEXT_PROTOTYPES */
typedef EGLBoolean (EGLAPIENTRYP PFNEGLSETSWAPRECTANGLEANDROIDPROC) (EGLDisplay dpy, EGLSurface draw, EGLint left, EGLint top, EGLint width, EGLint height);
#endif
#ifdef __cplusplus
}
#endif
#endif

View File

@@ -0,0 +1,121 @@
#ifndef __eglplatform_h_
#define __eglplatform_h_
/*
** Copyright (c) 2007-2009 The Khronos Group Inc.
**
** Permission is hereby granted, free of charge, to any person obtaining a
** copy of this software and/or associated documentation files (the
** "Materials"), to deal in the Materials without restriction, including
** without limitation the rights to use, copy, modify, merge, publish,
** distribute, sublicense, and/or sell copies of the Materials, and to
** permit persons to whom the Materials are 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 Materials.
**
** THE MATERIALS ARE 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
** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
*/
/* Platform-specific types and definitions for egl.h
* $Revision: 9724 $ on $Date: 2009-12-02 02:05:33 -0800 (Wed, 02 Dec 2009) $
*
* Adopters may modify khrplatform.h and this file to suit their platform.
* You are encouraged to submit all modifications to the Khronos group so that
* they can be included in future versions of this file. Please submit changes
* by sending them to the public Khronos Bugzilla (http://khronos.org/bugzilla)
* by filing a bug against product "EGL" component "Registry".
*/
#include <KHR/khrplatform.h>
/* Macros used in EGL function prototype declarations.
*
* EGL functions should be prototyped as:
*
* EGLAPI return-type EGLAPIENTRY eglFunction(arguments);
* typedef return-type (EXPAPIENTRYP PFNEGLFUNCTIONPROC) (arguments);
*
* KHRONOS_APICALL and KHRONOS_APIENTRY are defined in KHR/khrplatform.h
*/
#ifndef EGLAPI
#define EGLAPI KHRONOS_APICALL
#endif
#ifndef EGLAPIENTRY
#define EGLAPIENTRY KHRONOS_APIENTRY
#endif
#define EGLAPIENTRYP EGLAPIENTRY*
/* The types NativeDisplayType, NativeWindowType, and NativePixmapType
* are aliases of window-system-dependent types, such as X Display * or
* Windows Device Context. They must be defined in platform-specific
* code below. The EGL-prefixed versions of Native*Type are the same
* types, renamed in EGL 1.3 so all types in the API start with "EGL".
*/
#if defined(_WIN32) || defined(__VC32__) && !defined(__CYGWIN__) && !defined(__SCITECH_SNAP__) /* Win32 and WinCE */
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN 1
#endif
#include <windows.h>
typedef HDC EGLNativeDisplayType;
typedef HBITMAP EGLNativePixmapType;
typedef HWND EGLNativeWindowType;
#elif defined(__WINSCW__) || defined(__SYMBIAN32__) /* Symbian */
typedef int EGLNativeDisplayType;
typedef void *EGLNativeWindowType;
typedef void *EGLNativePixmapType;
#elif defined(__unix__) && !defined(ANDROID)
/* X11 (tentative) */
#include <X11/Xlib.h>
#include <X11/Xutil.h>
typedef Display *EGLNativeDisplayType;
typedef Pixmap EGLNativePixmapType;
typedef Window EGLNativeWindowType;
#elif defined(ANDROID)
#include <android/native_window.h>
struct egl_native_pixmap_t;
typedef struct ANativeWindow* EGLNativeWindowType;
typedef struct egl_native_pixmap_t* EGLNativePixmapType;
typedef void* EGLNativeDisplayType;
#else
#error "Platform not recognized"
#endif
/* EGL 1.2 types, renamed for consistency in EGL 1.3 */
typedef EGLNativeDisplayType NativeDisplayType;
typedef EGLNativePixmapType NativePixmapType;
typedef EGLNativeWindowType NativeWindowType;
/* Define EGLint. This must be a signed integral type large enough to contain
* all legal attribute names and values passed into and out of EGL, whether
* their type is boolean, bitmask, enumerant (symbolic constant), integer,
* handle, or other. While in general a 32-bit integer will suffice, if
* handles are 64 bit types, then EGLint should be defined as a signed 64-bit
* integer type.
*/
typedef khronos_int32_t EGLint;
#endif /* __eglplatform_h */

View File

@@ -131,14 +131,6 @@ typedef struct ANativeActivityCallbacks {
*/
void (*onNativeWindowCreated)(ANativeActivity* activity, ANativeWindow* window);
/**
* The drawing window for this native activity has changed. During this time,
* old ANativeWindow object is still valid but no longer active and drawing
* should switch to the new ANativeWindow given here. After returning from
* this function, you must not touch the old window.
*/
void (*onNativeWindowChanged)(ANativeActivity* activity, ANativeWindow* window);
/**
* The drawing window for this native activity is going to be destroyed.
* You MUST ensure that you do not touch the window object after returning

View File

@@ -22,6 +22,15 @@
extern "C" {
#endif
/*
* Pixel formats that a window can use.
*/
enum {
WINDOW_FORMAT_RGBA_8888 = 1,
WINDOW_FORMAT_RGBX_8888 = 2,
WINDOW_FORMAT_RGB_565 = 4,
};
struct ANativeWindow;
typedef struct ANativeWindow ANativeWindow;
@@ -43,6 +52,22 @@ int32_t ANativeWindow_getHeight(ANativeWindow* window);
*/
int32_t ANativeWindow_getFormat(ANativeWindow* window);
/*
* Change the format and size of the window buffers.
*
* The width and height control the number of pixels in the buffers, not the
* dimensions of the window on screen. If these are different than the
* window's physical size, then it buffer will be scaled to match that size
* when compositing it to the screen.
*
* The format may be one of the window format constants above.
*
* For all of these parameters, if 0 is supplied than the window's base
* value will come back in force.
*/
int32_t ANativeWindow_setBuffersGeometry(ANativeWindow* window, int32_t width,
int32_t height, int32_t format);
#ifdef __cplusplus
};
#endif

Binary file not shown.

View File

@@ -17,7 +17,7 @@ LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
LOCAL_MODULE := native-activity
LOCAL_SRC_FILES := main.c
LOCAL_LDLIBS := -llog -landroid
LOCAL_SRC_FILES := main.c glutils.c
LOCAL_LDLIBS := -llog -landroid -lEGL -lGLESv1_CM
include $(BUILD_SHARED_LIBRARY)

View File

@@ -0,0 +1,117 @@
/*
* Copyright (C) 2010 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 "glutils.h"
const char *EGLstrerror(EGLint err) {
switch (err) {
case EGL_SUCCESS: return "EGL_SUCCESS";
case EGL_NOT_INITIALIZED: return "EGL_NOT_INITIALIZED";
case EGL_BAD_ACCESS: return "EGL_BAD_ACCESS";
case EGL_BAD_ALLOC: return "EGL_BAD_ALLOC";
case EGL_BAD_ATTRIBUTE: return "EGL_BAD_ATTRIBUTE";
case EGL_BAD_CONFIG: return "EGL_BAD_CONFIG";
case EGL_BAD_CONTEXT: return "EGL_BAD_CONTEXT";
case EGL_BAD_CURRENT_SURFACE: return "EGL_BAD_CURRENT_SURFACE";
case EGL_BAD_DISPLAY: return "EGL_BAD_DISPLAY";
case EGL_BAD_MATCH: return "EGL_BAD_MATCH";
case EGL_BAD_NATIVE_PIXMAP: return "EGL_BAD_NATIVE_PIXMAP";
case EGL_BAD_NATIVE_WINDOW: return "EGL_BAD_NATIVE_WINDOW";
case EGL_BAD_PARAMETER: return "EGL_BAD_PARAMETER";
case EGL_BAD_SURFACE: return "EGL_BAD_SURFACE";
case EGL_CONTEXT_LOST: return "EGL_CONTEXT_LOST";
default: return "UNKNOWN";
}
}
int32_t selectConfigForPixelFormat(EGLDisplay dpy, EGLint const* attrs,
int32_t format, EGLConfig* outConfig) {
EGLint numConfigs = -1, n=0;
if (!attrs)
return -1;
if (outConfig == NULL)
return -1;
int fbSzA, fbSzR, fbSzG, fbSzB;
switch (format) {
case WINDOW_FORMAT_RGBA_8888:
fbSzA = fbSzR = fbSzG = fbSzB = 8;
break;
case WINDOW_FORMAT_RGBX_8888:
fbSzA = 0; fbSzR = fbSzG = fbSzB = 8;
break;
case WINDOW_FORMAT_RGB_565:
fbSzA = 0; fbSzR = 5; fbSzG = 6; fbSzB = 5;
break;
default:
LOGW("Unknown format");
return -1;
}
// Get all the "potential match" configs...
if (eglGetConfigs(dpy, NULL, 0, &numConfigs) == EGL_FALSE) {
LOGW("eglGetConfigs failed");
return -1;
}
EGLConfig* const configs = (EGLConfig*)malloc(sizeof(EGLConfig)*numConfigs);
if (eglChooseConfig(dpy, attrs, configs, numConfigs, &n) == EGL_FALSE) {
free(configs);
LOGW("eglChooseConfig failed");
return -1;
}
int i;
EGLConfig config = NULL;
for (i=0 ; i<n ; i++) {
EGLint r,g,b,a;
EGLConfig curr = configs[i];
eglGetConfigAttrib(dpy, curr, EGL_RED_SIZE, &r);
eglGetConfigAttrib(dpy, curr, EGL_GREEN_SIZE, &g);
eglGetConfigAttrib(dpy, curr, EGL_BLUE_SIZE, &b);
eglGetConfigAttrib(dpy, curr, EGL_ALPHA_SIZE, &a);
if (fbSzA == a && fbSzR == r && fbSzG == g && fbSzB == b) {
config = curr;
break;
}
}
free(configs);
if (i<n) {
*outConfig = config;
return 0;
}
LOGW("No config with desired pixel format");
return -1;
}
int32_t selectConfigForNativeWindow(EGLDisplay dpy, EGLint const* attrs,
EGLNativeWindowType window, EGLConfig* outConfig) {
int err;
int format;
if (!window)
return -1;
return selectConfigForPixelFormat(dpy, attrs,
ANativeWindow_getFormat(window), outConfig);
}

View File

@@ -0,0 +1,32 @@
/*
* Copyright (C) 2010 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 <android/native_activity.h>
#include <android/log.h>
#include <EGL/egl.h>
#include <GLES/gl.h>
#include <GLES/glext.h>
#define LOGI(...) ((void)__android_log_print(ANDROID_LOG_INFO, "native-activity", __VA_ARGS__))
#define LOGW(...) ((void)__android_log_print(ANDROID_LOG_WARN, "native-activity", __VA_ARGS__))
extern const char *EGLstrerror(EGLint err);
extern int32_t selectConfigForPixelFormat(EGLDisplay dpy, EGLint const* attrs,
int32_t format, EGLConfig* outConfig);
extern int32_t selectConfigForNativeWindow(EGLDisplay dpy, EGLint const* attrs,
EGLNativeWindowType window, EGLConfig* outConfig);

View File

@@ -15,9 +15,6 @@
*
*/
#include <android/native_activity.h>
#include <android/log.h>
#include <jni.h>
#include <errno.h>
@@ -27,7 +24,11 @@
#include <string.h>
#include <sys/resource.h>
#define LOGI(...) ((void)__android_log_print(ANDROID_LOG_INFO, "native-activity", __VA_ARGS__))
#include "glutils.h"
// --------------------------------------------------------------------
// Rendering and input engine thread
// --------------------------------------------------------------------
struct engine {
pthread_mutex_t mutex;
@@ -45,14 +46,119 @@ struct engine {
ANativeWindow* window;
AInputQueue* pendingInputQueue;
ANativeWindow* pendingWindow;
// private to engine thread.
int animating;
EGLDisplay display;
EGLSurface surface;
EGLContext context;
int32_t width;
int32_t height;
float angle;
int32_t x;
int32_t y;
};
enum {
ENGINE_CMD_INPUT_CHANGED,
ENGINE_CMD_WINDOW_CHANGED,
ENGINE_CMD_GAINED_FOCUS,
ENGINE_CMD_LOST_FOCUS,
ENGINE_CMD_DESTROY,
};
static int engine_init_display(struct engine* engine) {
// initialize opengl and egl
const EGLint attribs[] = {
EGL_DEPTH_SIZE, 16,
EGL_NONE
};
EGLint w, h, dummy;
EGLint numConfigs;
EGLConfig config;
EGLSurface surface;
EGLContext context;
EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
eglInitialize(display, 0, 0);
selectConfigForNativeWindow(display, attribs, engine->window, &config);
surface = eglCreateWindowSurface(display, config, engine->window, NULL);
context = eglCreateContext(display, config, NULL, NULL);
eglQuerySurface(display, surface, EGL_WIDTH, &w);
eglQuerySurface(display, surface, EGL_HEIGHT, &h);
if (eglMakeCurrent(display, surface, surface, context) == EGL_FALSE) {
LOGW("Unable to eglMakeCurrent");
return -1;
}
engine->display = display;
engine->context = context;
engine->surface = surface;
engine->width = w;
engine->height = h;
engine->angle = 0;
// Initialize GL state.
glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
glEnable(GL_CULL_FACE);
glShadeModel(GL_SMOOTH);
glEnable(GL_DEPTH_TEST);
return 0;
}
static void engine_draw_frame(struct engine* engine) {
if (engine->display == NULL) {
// No display.
return;
}
glClearColor(((float)engine->x)/engine->width, engine->angle,
((float)engine->y)/engine->height, 1);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
#if 0
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glTranslatef(0, 0, -3.0f);
glRotatef(engine->angle, 0, 1, 0);
glRotatef(engine->angle*0.25f, 1, 0, 0);
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_COLOR_ARRAY);
//mCube.draw(gl);
glRotatef(engine->angle*2.0f, 0, 1, 1);
glTranslatef(0.5f, 0.5f, 0.5f);
//mCube.draw(gl);
#endif
eglSwapBuffers(engine->display, engine->surface);
//engine->angle += 1.2f;
}
static int engine_term_display(struct engine* engine) {
if (engine->display != EGL_NO_DISPLAY) {
eglMakeCurrent(engine->display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
if (engine->context != EGL_NO_CONTEXT) {
eglDestroyContext(engine->display, engine->context);
}
if (engine->surface != EGL_NO_SURFACE) {
eglDestroySurface(engine->display, engine->surface);
}
eglTerminate(engine->display);
}
engine->animating = 0;
engine->display = EGL_NO_DISPLAY;
engine->context = EGL_NO_CONTEXT;
engine->surface = EGL_NO_SURFACE;
}
static void* engine_entry(void* param) {
struct engine* engine = (struct engine*)param;
struct pollfd pfd[2];
@@ -81,8 +187,16 @@ static void* engine_entry(void* param) {
pfd[0].revents = 0;
pfd[1].revents = 0;
int nfd = poll(pfd, numfd, -1);
if (nfd <= 0) {
int nfd = poll(pfd, numfd, engine->animating ? 0 : -1);
if (nfd == 0 && engine->animating) {
// There is no work to do -- step next animation.
engine->angle += .01f;
if (engine->angle > 1) {
engine->angle = 0;
}
engine_draw_frame(engine);
}
if (nfd < 0) {
LOGI("Engine error in poll: %s\n", strerror(errno));
// Should cleanly exit!
continue;
@@ -102,13 +216,23 @@ static void* engine_entry(void* param) {
case ENGINE_CMD_WINDOW_CHANGED:
LOGI("Engine: ENGINE_CMD_WINDOW_CHANGED\n");
pthread_mutex_lock(&engine->mutex);
engine_term_display(engine);
engine->window = engine->pendingWindow;
if (engine->window != NULL) {
engine_init_display(engine);
engine_draw_frame(engine);
}
pthread_cond_broadcast(&engine->cond);
pthread_mutex_unlock(&engine->mutex);
break;
case ENGINE_CMD_LOST_FOCUS:
engine->animating = 0;
engine_draw_frame(engine);
break;
case ENGINE_CMD_DESTROY:
LOGI("Engine: ENGINE_CMD_DESTROY\n");
pthread_mutex_lock(&engine->mutex);
engine_term_display(engine);
engine->destroyed = 1;
pthread_cond_broadcast(&engine->cond);
pthread_mutex_unlock(&engine->mutex);
@@ -123,6 +247,12 @@ static void* engine_entry(void* param) {
AInputEvent* event = NULL;
if (AInputQueue_getEvent(engine->inputQueue, &event) >= 0) {
LOGI("New input event: type=%d\n", AInputEvent_getType(event));
if (AInputEvent_getType(event) == INPUT_EVENT_TYPE_MOTION) {
engine->animating = 1;
engine->x = AMotionEvent_getX(event, 0);
engine->y = AMotionEvent_getY(event, 0);
engine_draw_frame(engine);
}
AInputQueue_finishEvent(engine->inputQueue, event, 0);
} else {
LOGI("Failure reading next input event: %s\n", strerror(errno));
@@ -201,6 +331,10 @@ static void engine_destroy(struct engine* engine) {
pthread_mutex_destroy(&engine->mutex);
}
// --------------------------------------------------------------------
// Native activity interaction (called from main thread)
// --------------------------------------------------------------------
static void onDestroy(ANativeActivity* activity)
{
LOGI("Destroy: %p\n", activity);
@@ -241,6 +375,8 @@ static void onLowMemory(ANativeActivity* activity)
static void onWindowFocusChanged(ANativeActivity* activity, int focused)
{
LOGI("WindowFocusChanged: %p -- %d\n", activity, focused);
engine_write_cmd((struct engine*)activity->instance,
focused ? ENGINE_CMD_GAINED_FOCUS : ENGINE_CMD_LOST_FOCUS);
}
static void onNativeWindowCreated(ANativeActivity* activity, ANativeWindow* window)
@@ -249,12 +385,6 @@ static void onNativeWindowCreated(ANativeActivity* activity, ANativeWindow* wind
engine_set_window((struct engine*)activity->instance, window);
}
static void onNativeWindowChanged(ANativeActivity* activity, ANativeWindow* window)
{
LOGI("NativeWindowChanged: %p -- %p\n", activity, window);
engine_set_window((struct engine*)activity->instance, window);
}
static void onNativeWindowDestroyed(ANativeActivity* activity, ANativeWindow* window)
{
LOGI("NativeWindowDestroyed: %p -- %p\n", activity, window);
@@ -286,7 +416,6 @@ void ANativeActivity_onCreate(ANativeActivity* activity,
activity->callbacks->onLowMemory = onLowMemory;
activity->callbacks->onWindowFocusChanged = onWindowFocusChanged;
activity->callbacks->onNativeWindowCreated = onNativeWindowCreated;
activity->callbacks->onNativeWindowChanged = onNativeWindowChanged;
activity->callbacks->onNativeWindowDestroyed = onNativeWindowDestroyed;
activity->callbacks->onInputQueueCreated = onInputQueueCreated;
activity->callbacks->onInputQueueDestroyed = onInputQueueDestroyed;