mirror of
https://github.com/libretro/RetroArch
synced 2025-01-30 21:32:45 +00:00
364 lines
8.0 KiB
C
364 lines
8.0 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2010-2012 - Hans-Kristian Arntzen
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* Copyright (C) 2011-2012 - Daniel De Matteis
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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 "../../driver.h"
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#include "../gl_common.h"
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#include <android/native_window.h>
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#include <EGL/egl.h> /* Requires NDK r5 or newer */
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#include <GLES/gl.h>
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#include <stdint.h>
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enum RenderThreadMessage {
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MSG_NONE = 0,
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MSG_WINDOW_SET,
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MSG_RENDER_LOOP_EXIT
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};
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enum RenderThreadMessage _msg;
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EGLNativeWindowType window; /* Requires NDK r5 or newer */
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static EGLContext g_egl_ctx;
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static EGLSurface g_egl_surf;
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static EGLDisplay g_egl_dpy;
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static EGLConfig g_config;
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int _width;
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int _height;
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GLfloat _angle;
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static enum gfx_ctx_api g_api;
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static int gfx_ctx_check_resolution(unsigned resolution_id)
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{
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(void)resolution_id;
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return 0;
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}
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static unsigned gfx_ctx_get_resolution_width(unsigned resolution_id)
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{
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(void)resolution_id;
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return 0;
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}
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static unsigned gfx_ctx_get_resolution_height(unsigned resolution_id)
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{
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(void)resolution_id;
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return 0;
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}
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static float gfx_ctx_get_aspect_ratio(void)
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{
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return 4.0f / 3.0f;
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}
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static void gfx_ctx_get_available_resolutions(void)
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{}
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static void gfx_ctx_set_swap_interval(unsigned interval)
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{
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eglSwapInterval(g_egl_dpy, interval);
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}
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static void gfx_ctx_destroy(void)
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{
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eglMakeCurrent(g_egl_dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
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eglDestroyContext(g_egl_dpy, g_egl_ctx);
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eglDestroySurface(g_egl_dpy, g_egl_surf);
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eglTerminate(g_egl_dpy);
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g_egl_dpy = EGL_NO_DISPLAY;
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g_egl_surf = EGL_NO_SURFACE;
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g_egl_ctx = EGL_NO_CONTEXT;
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g_config = 0;
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_width = 0;
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_height = 0;
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}
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EGLNativeWindowType android_createDisplaySurface(void);
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static bool gfx_ctx_init(void)
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{
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const EGLint attribs[] = {
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EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
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EGL_BLUE_SIZE, 8,
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EGL_GREEN_SIZE, 8,
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EGL_RED_SIZE, 8,
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EGL_NONE
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};
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EGLConfig config;
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EGLint numConfigs;
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EGLint format;
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EGLint width;
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EGLint height;
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GLfloat ratio;
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RARCH_LOG("Initializing context\n");
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if ((g_egl_dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY)) == EGL_NO_DISPLAY) {
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RARCH_ERR("eglGetDisplay() returned error %d.\n", eglGetError());
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return false;
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}
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window = NULL;
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EGLint egl_major, egl_minor;
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if (!eglInitialize(g_egl_dpy, &egl_major, &egl_minor)) {
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RARCH_ERR("eglInitialize() returned error %d.\n", eglGetError());
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return false;
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}
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RARCH_LOG("[ANDROID/EGL]: EGL version: %d.%d\n", egl_major, egl_minor);
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EGLint num_configs;
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if (!eglChooseConfig(g_egl_dpy, attribs, &g_config, 1, &numConfigs)) {
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RARCH_ERR("eglChooseConfig() returned error %d.\n", eglGetError());
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gfx_ctx_destroy();
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return false;
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}
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if (!eglGetConfigAttrib(g_egl_dpy, config, EGL_NATIVE_VISUAL_ID, &format)) {
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RARCH_ERR("eglGetConfigAttrib() returned error %d.\n", eglGetError());
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gfx_ctx_destroy();
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return false;
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}
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if (!(g_egl_ctx = eglCreateContext(g_egl_dpy, config, 0, 0))) {
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RARCH_ERR("eglCreateContext() returned error %d.\n", eglGetError());
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gfx_ctx_destroy();
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return false;
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}
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if (!(g_egl_surf = eglCreateWindowSurface(g_egl_dpy, config, window, 0))) {
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RARCH_ERR("eglCreateWindowSurface() returned error %d.\n", eglGetError());
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gfx_ctx_destroy();
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return false;
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}
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if (!eglMakeCurrent(g_egl_dpy, g_egl_surf, g_egl_surf, g_egl_ctx)) {
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RARCH_ERR("eglMakeCurrent() returned error %d.\n", eglGetError());
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gfx_ctx_destroy();
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return false;
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}
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if (!eglQuerySurface(g_egl_dpy, g_egl_surf, EGL_WIDTH, &width) ||
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!eglQuerySurface(g_egl_dpy, g_egl_surf, EGL_HEIGHT, &height)) {
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RARCH_ERR("eglQuerySurface() returned error %d.\n", eglGetError());
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gfx_ctx_destroy();
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return false;
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}
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_width = width;
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_height = height;
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RARCH_LOG("Window specs: %d*%d.\n", _width, _height);
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/*
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glDisable(GL_DITHER);
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glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
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glClearColor(0, 0, 0, 0);
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glEnable(GL_CULL_FACE);
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glShadeModel(GL_SMOOTH);
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glEnable(GL_DEPTH_TEST);
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glViewport(0, 0, width, height);
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ratio = (GLfloat) width / height;
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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glFrustumf(-ratio, ratio, -1, 1, 1, 10);
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*/
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return true;
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}
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void gfx_ctx_check_window(bool *quit,
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bool *resize, unsigned *width, unsigned *height, unsigned frame_count)
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{
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(void)quit;
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(void)resize;
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(void)width;
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(void)height;
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(void)frame_count;
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// process incoming messages
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switch (_msg)
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{
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case MSG_WINDOW_SET:
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gfx_ctx_init();
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break;
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case MSG_RENDER_LOOP_EXIT:
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*quit = false;
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gfx_ctx_destroy();
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break;
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default:
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break;
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}
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_msg = MSG_NONE;
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}
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static void gfx_ctx_swap_buffers(void)
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{
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eglSwapBuffers(g_egl_dpy, g_egl_surf);
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}
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static void gfx_ctx_clear(void)
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{}
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static void gfx_ctx_set_blend(bool enable)
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{}
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static void gfx_ctx_set_resize(unsigned width, unsigned height)
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{
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(void)width;
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(void)height;
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}
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static bool gfx_ctx_menu_init(void)
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{}
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static void gfx_ctx_update_window_title(bool reset)
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{
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(void)reset;
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}
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void gfx_ctx_set_window(JNIEnv *jenv,jobject obj, jobject surface)
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{
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window = ANativeWindow_fromSurface(jenv, surface);
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}
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void gfx_ctx_free_window(JNIEnv *jenv,jobject obj, jobject surface)
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{
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ANativeWindow_release(window);
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}
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static void gfx_ctx_get_video_size(unsigned *width, unsigned *height)
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{
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(void)width;
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(void)height;
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}
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bool gfx_ctx_set_video_mode(
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unsigned width, unsigned height,
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unsigned bits, bool fullscreen)
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{
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(void)width;
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(void)height;
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(void)bits;
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(void)fullscreen;
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return true;
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}
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void gfx_ctx_input_driver(const input_driver_t **input, void **input_data)
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{
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*input = NULL;
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*input_data = NULL;
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}
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void gfx_ctx_set_filtering(unsigned index, bool set_smooth)
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{
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(void)index;
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(void)set_smooth;
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}
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static void gfx_ctx_set_fbo(bool enable)
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{
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(void)enable;
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}
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static void gfx_ctx_apply_fbo_state_changes(unsigned mode)
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{
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(void)mode;
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}
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static void gfx_ctx_set_aspect_ratio(void *data, unsigned aspectratio_index)
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{
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(void)data;
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(void)aspectratio_index;
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}
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static void gfx_ctx_set_overscan(void)
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{}
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// Enforce void (*)(void) as it's not really legal to cast void* to fn-pointer.
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// POSIX allows this, but strict C99 doesn't.
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#ifndef __PSL1GHT__
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static gfx_ctx_proc_t gfx_ctx_get_proc_address(const char *symbol)
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{
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rarch_assert(sizeof(void*) == sizeof(void (*)(void)));
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gfx_ctx_proc_t ret;
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void *sym__ = eglGetProcAddress(symbol);
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memcpy(&ret, &sym__, sizeof(void*));
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return ret;
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}
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#endif
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static bool gfx_ctx_bind_api(enum gfx_ctx_api api)
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{
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g_api = api;
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return api == GFX_CTX_OPENGL_ES_API;
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}
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static bool gfx_ctx_has_focus(void)
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{
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return true;
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}
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const gfx_ctx_driver_t gfx_ctx_android = {
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gfx_ctx_init,
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gfx_ctx_destroy,
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gfx_ctx_bind_api,
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gfx_ctx_set_swap_interval,
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gfx_ctx_set_video_mode,
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gfx_ctx_get_video_size,
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NULL,
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gfx_ctx_update_window_title,
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gfx_ctx_check_window,
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#ifdef ANDROID
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gfx_ctx_set_window,
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gfx_ctx_free_window,
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#endif
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gfx_ctx_set_resize,
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gfx_ctx_has_focus,
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gfx_ctx_swap_buffers,
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gfx_ctx_input_driver,
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NULL,
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"android",
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// RARCH_CONSOLE stuff.
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gfx_ctx_set_filtering,
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gfx_ctx_get_available_resolutions,
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gfx_ctx_check_resolution,
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#ifdef HAVE_CG_MENU
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gfx_ctx_menu_init,
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#else
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NULL,
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#endif
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gfx_ctx_set_fbo,
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gfx_ctx_apply_fbo_state_changes,
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};
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