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Diffstat (limited to 'engines/sludge/eglport/eglport.cpp')
| -rwxr-xr-x | engines/sludge/eglport/eglport.cpp | 712 |
1 files changed, 712 insertions, 0 deletions
diff --git a/engines/sludge/eglport/eglport.cpp b/engines/sludge/eglport/eglport.cpp new file mode 100755 index 0000000000..841438323f --- /dev/null +++ b/engines/sludge/eglport/eglport.cpp @@ -0,0 +1,712 @@ +/** + * + * 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 ); + +void EGL_Init( void ) +{ + //nothing... + return; +} +/** @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( 800, 480/*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) && !defined(PANDORA) + 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 NOTICE: 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; +} + |