--- /dev/null
+/**
+ *
+ * EGLPORT.C
+ * Copyright (C) 2011-2013 Scott R. Smith
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * 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 Software.
+ *
+ * THE SOFTWARE IS 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 SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ */
+
+#include "eglport.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#define USE_EGL_SDL 1
+#define USE_GLES1 1
+
+#if defined(USE_EGL_SDL)
+#include "SDL.h"
+#include "SDL_syswm.h"
+SDL_SysWMinfo sysWmInfo; /** Holds our X Display/Window information */
+#endif /* USE_EGL_SDL */
+
+#if defined(PANDORA) /* Pandora VSync Support */
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <linux/fb.h>
+
+#ifndef FBIO_WAITFORVSYNC
+#define FBIO_WAITFORVSYNC _IOW('F', 0x20, __u32)
+#endif
+int fbdev = -1;
+
+#elif defined(RPI)
+#include "bcm_host.h"
+#endif /* PANDORA */
+
+enum EGL_RENDER_T {
+ RENDER_RAW=0, /** Sets render mode to raw or framebuffer mode. */
+ RENDER_SDL, /** Sets render mode to X11/SDL mode. */
+ RENDER_TOTAL
+};
+
+enum EGL_SETTINGS_T {
+ CFG_MODE=0, /** Render mode for EGL 0=RAW 1=SDL. */
+ CFG_VSYNC, /** Controls system vsync if available. */
+ CFG_FSAA, /** Number of samples for full screen AA. 0 is off, 2/4 samples. */
+ CFG_FPS, /** Calculate and report frame per second. */
+ CFG_RED_SIZE, /** Number of bits of Red in the color buffer. */
+ CFG_GREEN_SIZE, /** Number of bits of Green in the color buffer. */
+ CFG_BLUE_SIZE, /** Number of bits of Blue in the color buffer. */
+ CFG_ALPHA_SIZE, /** Number of bits of Alpha in the color buffer. */
+ CFG_DEPTH_SIZE, /** Number of bits of Z in the depth buffer. */
+ CFG_BUFFER_SIZE, /** The total color component bits in the color buffer. */
+ CFG_STENCIL_SIZE, /** Number of bits of Stencil in the stencil buffer. */
+ CFG_TOTAL /** Total number of settings. */
+};
+
+NativeDisplayType nativeDisplay = 0; /** Reference to the systems native display */
+NativeWindowType nativeWindow = 0; /** Reference to the systems native window */
+EGLint eglSettings[CFG_TOTAL]; /** Stores setting values. */
+EGLDisplay eglDisplay = NULL; /** Reference to the EGL display */
+EGLConfig eglConfig = NULL; /** Reference to the EGL config */
+EGLContext eglContext = NULL; /** Reference to the EGL context */
+EGLSurface eglSurface = NULL; /** Reference to the EGL surface */
+
+#define totalConfigsIn 5 /** Total number of configurations to request */
+EGLint totalConfigsFound = 0; /** Total number of configurations matching attributes */
+EGLConfig eglConfigs[totalConfigsIn]; /** Structure containing references to matching configurations */
+
+uint32_t fpsCount = 0; /** Total number of frames counted */
+uint32_t fpsTime = 0; /** Start time of frame count measurment */
+
+int8_t eglColorbits = 0;
+int8_t eglDepthbits = 0;
+int8_t eglStencilbits = 0;
+
+
+/** Private API */
+void OpenCfg ( const char* file );
+int8_t ConfigureEGL ( EGLConfig config );
+int8_t FindEGLConfigs ( void );
+int8_t CheckEGLErrors ( const char* file, uint16_t line );
+
+int8_t GetNativeDisplay ( void );
+int8_t GetNativeWindow ( uint16_t width, uint16_t height );
+void FreeNativeDisplay ( void );
+void FreeNativeWindow ( void );
+
+void Platform_Open ( void );
+void Platform_Close ( void );
+void Platform_VSync ( void );
+uint32_t Platform_GetTicks ( void );
+
+/** @brief Release all EGL and system resources
+ */
+void EGL_Close( void )
+{
+ /* Release EGL resources */
+ if (eglDisplay != NULL)
+ {
+ peglMakeCurrent( eglDisplay, NULL, NULL, EGL_NO_CONTEXT );
+ if (eglContext != NULL) {
+ peglDestroyContext( eglDisplay, eglContext );
+ }
+ if (eglSurface != NULL) {
+ peglDestroySurface( eglDisplay, eglSurface );
+ }
+ peglTerminate( eglDisplay );
+ }
+
+ eglSurface = NULL;
+ eglContext = NULL;
+ eglDisplay = NULL;
+
+ eglColorbits = 0;
+ eglDepthbits = 0;
+ eglStencilbits = 0;
+
+ /* Release platform resources */
+ FreeNativeWindow();
+ FreeNativeDisplay();
+ Platform_Close();
+
+ CheckEGLErrors( __FILE__, __LINE__ );
+
+ printf( "EGLport: Closed\n" );
+}
+
+/** @brief Swap the surface buffer onto the display
+ */
+void EGL_SwapBuffers( void )
+{
+ if (eglSettings[CFG_VSYNC] != 0) {
+ Platform_VSync();
+ }
+
+ peglSwapBuffers( eglDisplay, eglSurface );
+
+ if (eglSettings[CFG_FPS] != 0) {
+ fpsCount++;
+
+ if (fpsTime - Platform_GetTicks() >= 1000)
+ {
+ printf( "EGLport: %d fps\n", fpsCount );
+ fpsTime = Platform_GetTicks();
+ fpsCount = 0;
+ }
+ }
+}
+
+/** @brief Obtain the system display and initialize EGL
+ * @param width : desired pixel width of the window (not used by all platforms)
+ * @param height : desired pixel height of the window (not used by all platforms)
+ * @return : 0 if the function passed, else 1
+ */
+int8_t EGL_Open( uint16_t width, uint16_t height )
+{
+ EGLint eglMajorVer, eglMinorVer;
+ EGLBoolean result;
+ uint32_t configIndex = 0;
+ const char* output;
+
+ static const EGLint contextAttribs[] =
+ {
+#if defined(USE_GLES2)
+ EGL_CONTEXT_CLIENT_VERSION, 2,
+#endif
+ EGL_NONE
+ };
+
+#if defined(DEBUG)
+ printf( "EGLport Warning: DEBUG is enabled which may effect performance\n" );
+#endif
+
+ /* Check that system is not open */
+ if (eglDisplay != NULL || eglContext != NULL || eglSurface != NULL)
+ {
+ printf( "EGLport ERROR: EGL system is already open!\n" );
+ return 1;
+ }
+
+ /* Check for the cfg file to alternative settings */
+ OpenCfg( "eglport.cfg" );
+
+ /* Setup any platform specific bits */
+ Platform_Open();
+
+ printf( "EGLport: Opening EGL display\n" );
+ if (GetNativeDisplay() != 0)
+ {
+ printf( "EGLport ERROR: Unable to obtain native display!\n" );
+ return 1;
+ }
+
+ eglDisplay = peglGetDisplay( nativeDisplay );
+ if (eglDisplay == EGL_NO_DISPLAY)
+ {
+ CheckEGLErrors( __FILE__, __LINE__ );
+ printf( "EGLport ERROR: Unable to create EGL display.\n" );
+ return 1;
+ }
+
+ printf( "EGLport: Initializing\n" );
+ result = peglInitialize( eglDisplay, &eglMajorVer, &eglMinorVer );
+ if (result != EGL_TRUE )
+ {
+ CheckEGLErrors( __FILE__, __LINE__ );
+ printf( "EGLport ERROR: Unable to initialize EGL display.\n" );
+ return 1;
+ }
+
+ /* Get EGL Library Information */
+ printf( "EGL Implementation Version: Major %d Minor %d\n", eglMajorVer, eglMinorVer );
+ output = peglQueryString( eglDisplay, EGL_VENDOR );
+ printf( "EGL_VENDOR: %s\n", output );
+ output = peglQueryString( eglDisplay, EGL_VERSION );
+ printf( "EGL_VERSION: %s\n", output );
+ output = peglQueryString( eglDisplay, EGL_EXTENSIONS );
+ printf( "EGL_EXTENSIONS: %s\n", output );
+
+ if (FindEGLConfigs() != 0)
+ {
+ printf( "EGLport ERROR: Unable to configure EGL. See previous error.\n" );
+ return 1;
+ }
+
+ printf( "EGLport: Using Config %d\n", configIndex );
+#if defined(EGL_VERSION_1_2)
+ /* Bind GLES and create the context */
+ printf( "EGLport: Binding API\n" );
+ result = peglBindAPI( EGL_OPENGL_ES_API );
+ if ( result == EGL_FALSE )
+ {
+ CheckEGLErrors( __FILE__, __LINE__ );
+ printf( "EGLport ERROR: Could not bind EGL API.\n" );
+ return 1;
+ }
+#endif /* EGL_VERSION_1_2 */
+
+ printf( "EGLport: Creating Context\n" );
+ eglContext = peglCreateContext( eglDisplay, eglConfigs[configIndex], NULL, contextAttribs );
+ if (eglContext == EGL_NO_CONTEXT)
+ {
+ CheckEGLErrors( __FILE__, __LINE__ );
+ printf( "EGLport ERROR: Unable to create GLES context!\n");
+ return 1;
+ }
+
+ printf( "EGLport: Creating window surface\n" );
+ if (GetNativeWindow( width, height ) != 0)
+ {
+ printf( "EGLport ERROR: Unable to obtain native window!\n" );
+ return 1;
+ }
+
+ eglSurface = peglCreateWindowSurface( eglDisplay, eglConfigs[configIndex], nativeWindow, 0 );
+ if (eglSurface == EGL_NO_SURFACE)
+ {
+ CheckEGLErrors( __FILE__, __LINE__ );
+ printf( "EGLport ERROR: Unable to create EGL surface!\n" );
+ return 1;
+ }
+
+ printf( "EGLport: Making Current\n" );
+ result = peglMakeCurrent( eglDisplay, eglSurface, eglSurface, eglContext );
+ if (result != EGL_TRUE)
+ {
+ CheckEGLErrors( __FILE__, __LINE__ );
+ printf( "EGLport ERROR: Unable to make GLES context current\n" );
+ return 1;
+ }
+
+ {
+ EGLint color, depth, stencil;
+ eglGetConfigAttrib(eglDisplay, eglConfigs[configIndex], EGL_BUFFER_SIZE, &color);
+ eglGetConfigAttrib(eglDisplay, eglConfigs[configIndex], EGL_DEPTH_SIZE, &depth);
+ eglGetConfigAttrib(eglDisplay, eglConfigs[configIndex], EGL_STENCIL_SIZE, &stencil);
+ eglColorbits = (color==16)?5:8; //quick hack
+ eglDepthbits = depth;
+ eglStencilbits = stencil;
+ }
+
+ printf( "EGLport: Setting swap interval\n" );
+ peglSwapInterval( eglDisplay, (eglSettings[CFG_VSYNC] > 0) ? 1 : 0 );
+
+ printf( "EGLport: Complete\n" );
+
+ CheckEGLErrors( __FILE__, __LINE__ );
+
+ return 0;
+}
+
+/** @brief Read settings that configure how to use EGL
+ * @param file : name of the config file
+ */
+void OpenCfg ( const char* file )
+{
+ #define MAX_STRING 20
+ #define MAX_SIZE 100
+ uint8_t i;
+ FILE* fp = NULL;
+ char* location = NULL;
+ char eglStrings[CFG_TOTAL][MAX_STRING];
+ char buffer[MAX_SIZE];
+
+ strncpy( eglStrings[CFG_MODE], "egl_mode=", MAX_STRING );
+ strncpy( eglStrings[CFG_VSYNC], "use_vsync=", MAX_STRING );
+ strncpy( eglStrings[CFG_FSAA], "use_fsaa=", MAX_STRING );
+ strncpy( eglStrings[CFG_RED_SIZE], "size_red=", MAX_STRING );
+ strncpy( eglStrings[CFG_GREEN_SIZE], "size_green=", MAX_STRING );
+ strncpy( eglStrings[CFG_BLUE_SIZE], "size_blue=", MAX_STRING );
+ strncpy( eglStrings[CFG_ALPHA_SIZE], "size_alpha=", MAX_STRING );
+ strncpy( eglStrings[CFG_DEPTH_SIZE], "size_depth=", MAX_STRING );
+ strncpy( eglStrings[CFG_BUFFER_SIZE], "size_buffer=", MAX_STRING );
+ strncpy( eglStrings[CFG_STENCIL_SIZE], "size_stencil=", MAX_STRING );
+
+ /* Set defaults */
+#if defined(USE_EGL_SDL)
+ eglSettings[CFG_MODE] = RENDER_SDL;
+#else
+ eglSettings[CFG_MODE] = RENDER_RAW;
+#endif
+ eglSettings[CFG_VSYNC] = 0;
+ eglSettings[CFG_FSAA] = 0;
+ eglSettings[CFG_FPS] = 0;
+ eglSettings[CFG_RED_SIZE] = 5;
+ eglSettings[CFG_GREEN_SIZE] = 6;
+ eglSettings[CFG_BLUE_SIZE] = 5;
+ eglSettings[CFG_ALPHA_SIZE] = 0;
+ eglSettings[CFG_DEPTH_SIZE] = 16;
+ eglSettings[CFG_BUFFER_SIZE] = 16;
+ eglSettings[CFG_STENCIL_SIZE] = 0;
+
+ /* Parse INI file */
+ fp = fopen( file, "r");
+ if (fp != NULL)
+ {
+ while (fgets( buffer, MAX_SIZE, fp ) != NULL)
+ {
+ for (i=0; i<CFG_TOTAL; i++)
+ {
+ location = strstr( buffer, eglStrings[i] );
+ if (location != NULL)
+ {
+ eglSettings[i] = atol( location+strlen( eglStrings[i] ) );
+ printf( "EGLport: %s set to %d.\n", eglStrings[i], eglSettings[i] );
+ break;
+ }
+ }
+ }
+
+ fclose( fp );
+ }
+ else
+ {
+ printf( "EGL ERROR: Unable to read ini settings from file '%s'. Using defaults\n", file );
+ }
+}
+
+/** @brief Find a EGL configuration tht matches the defined attributes
+ * @return : 0 if the function passed, else 1
+ */
+int8_t FindEGLConfigs( void )
+{
+ EGLBoolean result;
+ int attrib = 0;
+ EGLint ConfigAttribs[23];
+
+ ConfigAttribs[attrib++] = EGL_RED_SIZE; /* 1 */
+ ConfigAttribs[attrib++] = eglSettings[CFG_RED_SIZE]; /* 2 */
+ ConfigAttribs[attrib++] = EGL_GREEN_SIZE; /* 3 */
+ ConfigAttribs[attrib++] = eglSettings[CFG_GREEN_SIZE]; /* 4 */
+ ConfigAttribs[attrib++] = EGL_BLUE_SIZE; /* 5 */
+ ConfigAttribs[attrib++] = eglSettings[CFG_BLUE_SIZE]; /* 6 */
+ ConfigAttribs[attrib++] = EGL_ALPHA_SIZE; /* 7 */
+ ConfigAttribs[attrib++] = eglSettings[CFG_ALPHA_SIZE]; /* 8 */
+ ConfigAttribs[attrib++] = EGL_DEPTH_SIZE; /* 9 */
+ ConfigAttribs[attrib++] = eglSettings[CFG_DEPTH_SIZE]; /* 10 */
+ ConfigAttribs[attrib++] = EGL_BUFFER_SIZE; /* 11 */
+ ConfigAttribs[attrib++] = eglSettings[CFG_BUFFER_SIZE]; /* 12 */
+ ConfigAttribs[attrib++] = EGL_STENCIL_SIZE; /* 13 */
+ ConfigAttribs[attrib++] = eglSettings[CFG_STENCIL_SIZE]; /* 14 */
+ ConfigAttribs[attrib++] = EGL_SURFACE_TYPE; /* 15 */
+ ConfigAttribs[attrib++] = EGL_WINDOW_BIT; /* 16 */
+#if defined(EGL_VERSION_1_2)
+ ConfigAttribs[attrib++] = EGL_RENDERABLE_TYPE; /* 17 */
+#if defined(USE_GLES1)
+ ConfigAttribs[attrib++] = EGL_OPENGL_ES_BIT;
+#elif defined(USE_GLES2)
+ ConfigAttribs[attrib++] = EGL_OPENGL_ES2_BIT; /* 18 */
+#endif /* USE_GLES1 */
+#endif /* EGL_VERSION_1_2 */
+ ConfigAttribs[attrib++] = EGL_SAMPLE_BUFFERS; /* 19 */
+ ConfigAttribs[attrib++] = (eglSettings[CFG_FSAA] > 0) ? 1 : 0; /* 20 */
+ ConfigAttribs[attrib++] = EGL_SAMPLES; /* 21 */
+ ConfigAttribs[attrib++] = eglSettings[CFG_FSAA]; /* 22 */
+ ConfigAttribs[attrib++] = EGL_NONE; /* 23 */
+
+ result = peglChooseConfig( eglDisplay, ConfigAttribs, eglConfigs, totalConfigsIn, &totalConfigsFound );
+ if (result != EGL_TRUE || totalConfigsFound == 0)
+ {
+ CheckEGLErrors( __FILE__, __LINE__ );
+ printf( "EGLport ERROR: Unable to query for available configs, found %d.\n", totalConfigsFound );
+ return 1;
+ }
+ printf( "EGLport: Found %d available configs\n", totalConfigsFound );
+
+ return 0;
+}
+
+/** @brief Error checking function
+ * @param file : string reference that contains the source file that the check is occuring in
+ * @param line : numeric reference that contains the line number that the check is occuring in
+ * @return : 0 if the function passed, else 1
+ */
+int8_t CheckEGLErrors( const char* file, uint16_t line )
+{
+ EGLenum error;
+ const char* errortext;
+ const char* description;
+
+ error = eglGetError();
+
+ if (error != EGL_SUCCESS && error != 0)
+ {
+ switch (error)
+ {
+ case EGL_NOT_INITIALIZED:
+ errortext = "EGL_NOT_INITIALIZED.";
+ description = "EGL is not or could not be initialized, for the specified display.";
+ break;
+ case EGL_BAD_ACCESS:
+ errortext = "EGL_BAD_ACCESS EGL";
+ description = "cannot access a requested resource (for example, a context is bound in another thread).";
+ break;
+ case EGL_BAD_ALLOC:
+ errortext = "EGL_BAD_ALLOC EGL";
+ description = "failed to allocate resources for the requested operation.";
+ break;
+ case EGL_BAD_ATTRIBUTE:
+ errortext = "EGL_BAD_ATTRIBUTE";
+ description = "An unrecognized attribute or attribute value was passed in anattribute list.";
+ break;
+ case EGL_BAD_CONFIG:
+ errortext = "EGL_BAD_CONFIG";
+ description = "An EGLConfig argument does not name a valid EGLConfig.";
+ break;
+ case EGL_BAD_CONTEXT:
+ errortext = "EGL_BAD_CONTEXT";
+ description = "An EGLContext argument does not name a valid EGLContext.";
+ break;
+ case EGL_BAD_CURRENT_SURFACE:
+ errortext = "EGL_BAD_CURRENT_SURFACE";
+ description = "The current surface of the calling thread is a window, pbuffer,or pixmap that is no longer valid.";
+ break;
+ case EGL_BAD_DISPLAY:
+ errortext = "EGL_BAD_DISPLAY";
+ description = "An EGLDisplay argument does not name a valid EGLDisplay.";
+ break;
+ case EGL_BAD_MATCH:
+ errortext = "EGL_BAD_MATCH";
+ description = "Arguments are inconsistent; for example, an otherwise valid context requires buffers (e.g. depth or stencil) not allocated by an otherwise valid surface.";
+ break;
+ case EGL_BAD_NATIVE_PIXMAP:
+ errortext = "EGL_BAD_NATIVE_PIXMAP";
+ description = "An EGLNativePixmapType argument does not refer to a validnative pixmap.";
+ break;
+ case EGL_BAD_NATIVE_WINDOW:
+ errortext = "EGL_BAD_NATIVE_WINDOW";
+ description = "An EGLNativeWindowType argument does not refer to a validnative window.";
+ break;
+ case EGL_BAD_PARAMETER:
+ errortext = "EGL_BAD_PARAMETER";
+ description = "One or more argument values are invalid.";
+ break;
+ case EGL_BAD_SURFACE:
+ errortext = "EGL_BAD_SURFACE";
+ description = "An EGLSurface argument does not name a valid surface (window,pbuffer, or pixmap) configured for rendering";
+ break;
+ case EGL_CONTEXT_LOST:
+ errortext = "EGL_CONTEXT_LOST";
+ description = "A power management event has occurred. The application mustdestroy all contexts and reinitialise client API state and objects to continue rendering.";
+ break;
+ default:
+ errortext = "Unknown EGL Error";
+ description = "";
+ break;
+ }
+
+ printf( "EGLport ERROR: EGL Error detected in file %s at line %d: %s (0x%X)\n Description: %s\n", file, line, errortext, error, description );
+ return 1;
+ }
+
+ return 0;
+}
+
+/** @brief Obtain a reference to the system's native display
+ * @param window : pointer to save the display reference
+ * @return : 0 if the function passed, else 1
+ */
+int8_t GetNativeDisplay( void )
+{
+ if (eglSettings[CFG_MODE] == RENDER_RAW) /* RAW FB mode */
+ {
+ printf( "EGLport: Using EGL_DEFAULT_DISPLAY\n" );
+ nativeDisplay = EGL_DEFAULT_DISPLAY;
+ }
+ else if (eglSettings[CFG_MODE] == RENDER_SDL) /* SDL/X11 mode */
+ {
+#if defined(USE_EGL_SDL)
+ printf( "EGLport: Opening SDL/X11 display\n" );
+ SDL_VERSION(&sysWmInfo.version);
+ SDL_GetWMInfo(&sysWmInfo);
+ nativeDisplay = (EGLNativeDisplayType)sysWmInfo.info.x11.display;
+
+ if (nativeDisplay == 0)
+ {
+ printf( "EGLport ERROR: unable to get display!\n" );
+ return 1;
+ }
+#else
+ printf( "EGLport ERROR: SDL mode was not enabled in this compile!\n" );
+#endif
+ }
+
+ return 0;
+}
+
+/** @brief Obtain a reference to the system's native window
+ * @param width : desired pixel width of the window (not used by all platforms)
+ * @param height : desired pixel height of the window (not used by all platforms)
+ * @return : 0 if the function passed, else 1
+ */
+int8_t GetNativeWindow( uint16_t width, uint16_t height )
+{
+ nativeWindow = 0;
+
+#if defined(WIZ) || defined(CAANOO)
+
+ nativeWindow = (NativeWindowType)malloc(16*1024);
+
+ if(nativeWindow == NULL) {
+ printf( "EGLport ERROR: Memory for window Failed\n" );
+ return 1;
+ }
+
+#elif defined(RPI)
+
+ EGLBoolean result;
+ uint32_t screen_width, screen_height;
+ static EGL_DISPMANX_WINDOW_T nativewindow;
+ DISPMANX_ELEMENT_HANDLE_T dispman_element;
+ DISPMANX_DISPLAY_HANDLE_T dispman_display;
+ DISPMANX_UPDATE_HANDLE_T dispman_update;
+ VC_RECT_T dst_rect;
+ VC_RECT_T src_rect;
+
+ /* create an EGL window surface */
+ result = graphics_get_display_size(0 /* LCD */, &screen_width, &screen_height);
+ if(result < 0) {
+ printf( "EGLport ERROR: RPi graphicget_display_size failed\n" );
+ return 1;
+ }
+
+ dst_rect.x = 0;
+ dst_rect.y = 0;
+ dst_rect.width = screen_width;
+ dst_rect.height = screen_height;
+
+ src_rect.x = 0;
+ src_rect.y = 0;
+ src_rect.width = width << 16;
+ src_rect.height = height << 16;
+
+ dispman_display = vc_dispmanx_display_open( 0 /* LCD */);
+ dispman_update = vc_dispmanx_update_start( 0 );
+ dispman_element = vc_dispmanx_element_add ( dispman_update, dispman_display,
+ 0 /*layer*/, &dst_rect, 0 /*src*/,
+ &src_rect, DISPMANX_PROTECTION_NONE, (VC_DISPMANX_ALPHA_T*)0 /*alpha*/, (DISPMANX_CLAMP_T*)0 /*clamp*/, (DISPMANX_TRANSFORM_T)0 /*transform*/);
+
+ nativewindow.element = dispman_element;
+ nativewindow.width = screen_width;
+ nativewindow.height = screen_height;
+ vc_dispmanx_update_submit_sync( dispman_update );
+
+ nativeWindow = (NativeWindowType)&nativewindow;
+
+#else /* default */
+
+ if (eglSettings[CFG_MODE] == RENDER_RAW) /* RAW FB mode */
+ {
+ nativeWindow = 0;
+ }
+ else if(eglSettings[CFG_MODE] == RENDER_SDL) /* SDL/X11 mode */
+ {
+#if defined(USE_EGL_SDL)
+ /* SDL_GetWMInfo is populated when display was opened */
+ nativeWindow = (NativeWindowType)sysWmInfo.info.x11.window;
+
+ if (nativeWindow == 0)
+ {
+ printf( "EGLport ERROR: unable to get window!\n" );
+ return 1;
+ }
+#else
+ printf( "EGLport ERROR: SDL mode was not enabled in this compile!\n" );
+#endif
+ }
+ else
+ {
+ printf( "EGLport ERROR: Unknown EGL render mode %d!\n", eglSettings[CFG_MODE] );
+ return 1;
+ }
+
+#endif /* WIZ / CAANOO */
+
+ return 0;
+}
+
+/** @brief Release the system's native display
+ */
+void FreeNativeDisplay( void )
+{
+}
+
+/** @brief Release the system's native window
+ */
+void FreeNativeWindow( void )
+{
+#if defined(WIZ) || defined(CAANOO)
+ if (nativeWindow != NULL) {
+ free( nativeWindow );
+ }
+ nativeWindow = NULL;
+#endif /* WIZ / CAANOO */
+}
+
+/** @brief Open any system specific resources
+ */
+void Platform_Open( void )
+{
+#if defined(PANDORA)
+ /* Pandora VSync */
+ fbdev = open( "/dev/fb0", O_RDONLY /* O_RDWR */ );
+ if ( fbdev < 0 ) {
+ printf( "EGLport ERROR: Couldn't open /dev/fb0 for Pandora Vsync\n" );
+ }
+#elif defined(RPI)
+ bcm_host_init();
+#endif /* PANDORA */
+}
+
+/** @brief Release any system specific resources
+ */
+void Platform_Close( void )
+{
+#if defined(PANDORA)
+ /* Pandora VSync */
+ close( fbdev );
+ fbdev = -1;
+#endif /* PANDORA */
+}
+
+/** @brief Check the systems vsync state
+ */
+void Platform_VSync( void )
+{
+#if defined(PANDORA)
+ /* Pandora VSync */
+ if (fbdev >= 0) {
+ int arg = 0;
+ ioctl( fbdev, FBIO_WAITFORVSYNC, &arg );
+ }
+#endif /* PANDORA */
+}
+
+/** @brief Get the system tick time (ms)
+ */
+uint32_t Platform_GetTicks( void )
+{
+ uint32_t ticks = 0;
+#if defined(USE_EGL_SDL)
+ ticks = SDL_GetTicks();
+#else
+ printf( "EGLport ERROR: SDL mode was not enabled in this compile!\n" );
+#endif
+ return ticks;
+}
notaz.gp2x.de / mupen64plus-pandora.git / blobdiff