mgba-ps3/src/platform/sdl/rpi-common.c

85 lines
2.4 KiB
C

/* Copyright (c) 2013-2015 Jeffrey Pfau
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "main.h"
#include <mgba/core/version.h>
void mRPIGLCommonSwap(struct VideoBackend* context) {
struct mSDLRenderer* renderer = (struct mSDLRenderer*) context->user;
eglSwapBuffers(renderer->eglDisplay, renderer->eglSurface);
}
void mRPIGLCommonInit(struct mSDLRenderer* renderer) {
bcm_host_init();
renderer->eglDisplay = eglGetDisplay(EGL_DEFAULT_DISPLAY);
int major, minor;
if (EGL_FALSE == eglInitialize(renderer->eglDisplay, &major, &minor)) {
printf("Failed to initialize EGL");
return false;
}
if (EGL_FALSE == eglBindAPI(EGL_OPENGL_ES_API)) {
printf("Failed to get GLES API");
return false;
}
const EGLint requestConfig[] = {
EGL_RED_SIZE, 5,
EGL_GREEN_SIZE, 5,
EGL_BLUE_SIZE, 5,
EGL_ALPHA_SIZE, 1,
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
EGL_NONE
};
EGLConfig config;
EGLint numConfigs;
if (EGL_FALSE == eglChooseConfig(renderer->eglDisplay, requestConfig, &config, 1, &numConfigs)) {
printf("Failed to choose EGL config\n");
return false;
}
const EGLint contextAttributes[] = {
EGL_CONTEXT_CLIENT_VERSION, 2,
EGL_NONE
};
int dispWidth = 240, dispHeight = 160, adjWidth;
renderer->eglContext = eglCreateContext(renderer->eglDisplay, config, EGL_NO_CONTEXT, contextAttributes);
graphics_get_display_size(0, &dispWidth, &dispHeight);
adjWidth = dispHeight / 2 * 3;
DISPMANX_DISPLAY_HANDLE_T display = vc_dispmanx_display_open(0);
DISPMANX_UPDATE_HANDLE_T update = vc_dispmanx_update_start(0);
VC_RECT_T destRect = {
.x = (dispWidth - adjWidth) / 2,
.y = 0,
.width = adjWidth,
.height = dispHeight
};
VC_RECT_T srcRect = {
.x = 0,
.y = 0,
.width = 240 << 16,
.height = 160 << 16
};
DISPMANX_ELEMENT_HANDLE_T element = vc_dispmanx_element_add(update, display, 0, &destRect, 0, &srcRect, DISPMANX_PROTECTION_NONE, 0, 0, 0);
vc_dispmanx_update_submit_sync(update);
renderer->eglWindow.element = element;
renderer->eglWindow.width = dispWidth;
renderer->eglWindow.height = dispHeight;
renderer->eglSurface = eglCreateWindowSurface(renderer->eglDisplay, config, &renderer->eglWindow, 0);
if (EGL_FALSE == eglMakeCurrent(renderer->eglDisplay, renderer->eglSurface, renderer->eglSurface, renderer->eglContext)) {
return false;
}
}