mirror of
https://github.com/libretro/RetroArch.git
synced 2024-12-05 06:57:19 +00:00
199 lines
5.7 KiB
C
199 lines
5.7 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2014 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2014 - Daniel De Matteis
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* Copyright (C) 2012-2014 - Michael Lelli
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <glsym/glsym.h>
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#include "../driver.h"
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typedef struct android_camera
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{
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jmethodID onCameraInit;
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jmethodID onCameraFree;
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jmethodID onCameraPoll;
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jmethodID onCameraStart;
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jmethodID onCameraStop;
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jmethodID onCameraSetTexture;
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GLuint tex;
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} androidcamera_t;
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static void *android_camera_init(const char *device, uint64_t caps,
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unsigned width, unsigned height)
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{
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JNIEnv *env;
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jclass class;
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(void)device;
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(void)width;
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(void)height;
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if ((caps & (1ULL << RETRO_CAMERA_BUFFER_OPENGL_TEXTURE)) == 0)
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{
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RARCH_ERR("androidcamera returns OpenGL texture.\n");
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return NULL;
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}
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struct android_app *android_app = (struct android_app*)g_android;
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androidcamera_t *androidcamera = (androidcamera_t*)
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calloc(1, sizeof(androidcamera_t));
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if (!androidcamera)
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return NULL;
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env = jni_thread_getenv();
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if (!env)
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goto dealloc;
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GET_OBJECT_CLASS(env, class, android_app->activity->clazz);
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if (class == NULL)
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goto dealloc;
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GET_METHOD_ID(env, androidcamera->onCameraInit, class,
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"onCameraInit", "()V");
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if (!androidcamera->onCameraInit)
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goto dealloc;
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GET_METHOD_ID(env, androidcamera->onCameraFree, class,
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"onCameraFree", "()V");
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if (!androidcamera->onCameraFree)
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goto dealloc;
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GET_METHOD_ID(env, androidcamera->onCameraSetTexture, class,
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"onCameraSetTexture", "(I)V");
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if (!androidcamera->onCameraSetTexture)
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goto dealloc;
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GET_METHOD_ID(env, androidcamera->onCameraStart, class,
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"onCameraStart", "()V");
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if (!androidcamera->onCameraStart)
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goto dealloc;
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GET_METHOD_ID(env, androidcamera->onCameraStop, class,
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"onCameraStop", "()V");
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if (!androidcamera->onCameraStop)
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goto dealloc;
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GET_METHOD_ID(env, androidcamera->onCameraPoll, class,
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"onCameraPoll", "()Z");
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if (!androidcamera->onCameraPoll)
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goto dealloc;
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CALL_VOID_METHOD(env, android_app->activity->clazz,
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androidcamera->onCameraInit);
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return androidcamera;
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dealloc:
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if (androidcamera)
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free(androidcamera);
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return NULL;
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}
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static void android_camera_free(void *data)
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{
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struct android_app *android_app = (struct android_app*)g_android;
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androidcamera_t *androidcamera = (androidcamera_t*)data;
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JNIEnv *env = jni_thread_getenv();
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if (!env)
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return;
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CALL_VOID_METHOD(env, android_app->activity->clazz,
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androidcamera->onCameraFree);
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free(androidcamera);
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}
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static bool android_camera_start(void *data)
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{
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struct android_app *android_app = (struct android_app*)g_android;
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androidcamera_t *androidcamera = (androidcamera_t*)data;
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JNIEnv *env = jni_thread_getenv();
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if (!env)
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return NULL;
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glGenTextures(1, &androidcamera->tex);
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glBindTexture(GL_TEXTURE_EXTERNAL_OES, androidcamera->tex);
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glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
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glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
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glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_WRAP_S,
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GL_CLAMP_TO_EDGE);
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glTexParameteri(GL_TEXTURE_EXTERNAL_OES, GL_TEXTURE_WRAP_T,
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GL_CLAMP_TO_EDGE);
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CALL_VOID_METHOD_PARAM(env, android_app->activity->clazz,
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androidcamera->onCameraSetTexture, (int) androidcamera->tex);
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CALL_VOID_METHOD(env, android_app->activity->clazz,
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androidcamera->onCameraStart);
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return true;
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}
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static void android_camera_stop(void *data)
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{
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struct android_app *android_app = (struct android_app*)g_android;
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androidcamera_t *androidcamera = (androidcamera_t*)data;
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JNIEnv *env = jni_thread_getenv();
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if (!env)
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return;
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CALL_VOID_METHOD(env, android_app->activity->clazz,
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androidcamera->onCameraStop);
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if (androidcamera->tex)
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glDeleteTextures(1, &androidcamera->tex);
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}
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static bool android_camera_poll(void *data,
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retro_camera_frame_raw_framebuffer_t frame_raw_cb,
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retro_camera_frame_opengl_texture_t frame_gl_cb)
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{
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struct android_app *android_app = (struct android_app*)g_android;
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androidcamera_t *androidcamera = (androidcamera_t*)data;
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JNIEnv *env = jni_thread_getenv();
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if (!env)
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return NULL;
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(void)frame_raw_cb;
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jboolean newFrame;
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CALL_BOOLEAN_METHOD(env, newFrame, android_app->activity->clazz,
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androidcamera->onCameraPoll);
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if (newFrame)
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{
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/* FIXME: Identity for now. Use proper texture matrix as
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* returned by Android Camera. */
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static const float affine[] = {
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1.0f, 0.0f, 0.0f,
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0.0f, 1.0f, 0.0f,
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0.0f, 0.0f, 1.0f
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};
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if (frame_gl_cb)
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frame_gl_cb(androidcamera->tex,
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GL_TEXTURE_EXTERNAL_OES,
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affine);
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return true;
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}
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return false;
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}
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camera_driver_t camera_android = {
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android_camera_init,
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android_camera_free,
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android_camera_start,
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android_camera_stop,
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android_camera_poll,
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"android",
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};
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