From 6b7fccd4103a59e68a068c5cb1079797f23a25d2 Mon Sep 17 00:00:00 2001 From: Sam Lantinga Date: Sun, 31 May 2009 11:53:12 +0000 Subject: [PATCH] OpenPandora support added by David Carr? --- CREDITS | 4 +- Makefile.pandora | 37 ++ README.pandora | 16 + src/video/SDL_renderer_gles.c | 14 +- src/video/SDL_sysvideo.h | 7 + src/video/SDL_video.c | 3 + src/video/pandora/SDL_pandora.c | 858 +++++++++++++++++++++++++ src/video/pandora/SDL_pandora.h | 110 ++++ src/video/pandora/SDL_pandora_events.c | 36 ++ src/video/pandora/SDL_pandora_events.h | 26 + src/video/x11/SDL_x11window.c | 30 + 11 files changed, 1139 insertions(+), 2 deletions(-) create mode 100644 Makefile.pandora create mode 100644 README.pandora create mode 100644 src/video/pandora/SDL_pandora.c create mode 100644 src/video/pandora/SDL_pandora.h create mode 100644 src/video/pandora/SDL_pandora_events.c create mode 100644 src/video/pandora/SDL_pandora_events.h diff --git a/CREDITS b/CREDITS index 2b0b56d84..6edd1e2dc 100644 --- a/CREDITS +++ b/CREDITS @@ -44,10 +44,12 @@ Thanks to everyone who made this possible, including: * Eric Wing, Max Horn, and Darrell Walisser for unflagging work on the Mac OS X port -* Couriersud for the DirectFB driver +* David Carré, for the Pandora port * Patrice Mandin, for the Atari port +* Couriersud for the DirectFB driver + * Jon Atkins for SDL_image, SDL_mixer and SDL_net documentation * Arne Claus, for the 2004 winning SDL logo, diff --git a/Makefile.pandora b/Makefile.pandora new file mode 100644 index 000000000..ed8e33e3c --- /dev/null +++ b/Makefile.pandora @@ -0,0 +1,37 @@ +# Makefile to build the pandora SDL library + +AR = arm-none-linux-gnueabi-ar +RANLIB = arm-none-linux-gnueabi-ranlib +CC = arm-none-linux-gnueabi-gcc +CXX = arm-none-linux-gnueabi-g++ +STRIP = arm-none-linux-gnueabi-strip + +CFLAGS = -O3 -march=armv7-a -mcpu=cortex-a8 -mtune=cortex-a8 -mfloat-abi=softfp \ + -mfpu=neon -ftree-vectorize -ffast-math -fomit-frame-pointer -fno-strict-aliasing -fsingle-precision-constant \ + -I./include -I$(PNDSDK)/usr/include + +TARGET = libSDL.a + +SOURCES = ./src/*.c ./src/audio/*.c ./src/cdrom/*.c ./src/cpuinfo/*.c ./src/events/*.c \ + ./src/file/*.c ./src/stdlib/*.c ./src/thread/*.c ./src/timer/*.c ./src/video/*.c \ + ./src/joystick/*.c ./src/haptic/*.c ./src/video/dummy/*.c ./src/audio/disk/*.c \ + ./src/audio/dummy/*.c ./src/loadso/dlopen/*.c ./src/audio/dsp/*.c ./src/audio/dma/*.c \ + ./src/thread/pthread/SDL_systhread.c ./src/thread/pthread/SDL_syssem.c \ + ./src/thread/pthread/SDL_sysmutex.c ./src/thread/pthread/SDL_syscond.c \ + ./src/joystick/linux/*.c ./src/haptic/linux/*.c ./src/timer/unix/*.c ./src/cdrom/dummy/*.c \ + ./src/video/pandora/SDL_pandora.o ./src/video/pandora/SDL_pandora_events.o ./src/video/x11/*.c + + +OBJECTS = $(shell echo $(SOURCES) | sed -e 's,\.c,\.o,g') + +all: $(TARGET) + +$(TARGET): $(CONFIG_H) $(OBJECTS) + $(AR) crv $@ $^ + $(RANLIB) $@ + +$(CONFIG_H): + cp include/SDL_config_pandora.h include/SDL_config.h + +clean: + rm -f $(TARGET) $(OBJECTS) diff --git a/README.pandora b/README.pandora new file mode 100644 index 000000000..8f8f8a9c6 --- /dev/null +++ b/README.pandora @@ -0,0 +1,16 @@ +SDL 1.3 with open pandora console support ( http://openpandora.org/ ) +===================================================================== + +- A pandora specific video driver was writed to allow SDL 1.3 with OpenGL ES +support to work on the pandora under the framebuffer. This driver do not have +input support for now, so if you use it you will have to add your own control code. +The video driver name is "pandora" so if you have problem running it from +the framebuffer, try to set the following variable before starting your application : +"export SDL_VIDEODRIVER=pandora" + +- OpenGL ES support was added to the x11 driver, so it's working like the normal +x11 driver one with OpenGLX support, with SDL input event's etc.. + + +David Carré (Cpasjuste) +cpasjuste@gmail.com diff --git a/src/video/SDL_renderer_gles.c b/src/video/SDL_renderer_gles.c index c71edd6c1..77ca3ff07 100644 --- a/src/video/SDL_renderer_gles.c +++ b/src/video/SDL_renderer_gles.c @@ -42,6 +42,14 @@ glDrawTexiOES(GLint x, GLint y, GLint z, GLint width, GLint height) #endif /* __QNXNTO__ */ +#if SDL_VIDEO_DRIVER_PANDORA +GL_API void GL_APIENTRY +glDrawTexiOES(GLint x, GLint y, GLint z, GLint width, GLint height) +{ + return; +} +#endif /* SDL_VIDEO_DRIVER_PANDORA */ + /* OpenGL ES 1.1 renderer implementation, based on the OpenGL renderer */ static const float inv255f = 1.0f / 255.0f; @@ -284,7 +292,10 @@ GLES_CreateRenderer(SDL_Window * window, Uint32 flags) renderer->info.flags |= SDL_RENDERER_SINGLEBUFFER; } } - +#if SDL_VIDEO_DRIVER_PANDORA + data->GL_OES_draw_texture_supported = SDL_FALSE; + data->useDrawTexture = SDL_FALSE; +#else if (SDL_GL_ExtensionSupported("GL_OES_draw_texture")) { data->GL_OES_draw_texture_supported = SDL_TRUE; data->useDrawTexture = SDL_TRUE; @@ -292,6 +303,7 @@ GLES_CreateRenderer(SDL_Window * window, Uint32 flags) data->GL_OES_draw_texture_supported = SDL_FALSE; data->useDrawTexture = SDL_FALSE; } +#endif data->glGetIntegerv(GL_MAX_TEXTURE_SIZE, &value); renderer->info.max_texture_width = value; diff --git a/src/video/SDL_sysvideo.h b/src/video/SDL_sysvideo.h index 1b54ed347..e27016655 100644 --- a/src/video/SDL_sysvideo.h +++ b/src/video/SDL_sysvideo.h @@ -318,6 +318,10 @@ struct SDL_VideoDevice void *driverdata; struct SDL_GLDriverData *gl_data; +#if SDL_VIDEO_DRIVER_PANDORA + struct SDL_PrivateGLESData *gles_data; +#endif + /* * * */ /* The function used to dispose of this structure */ void (*free) (_THIS); @@ -403,6 +407,9 @@ extern VideoBootStrap DUMMY_bootstrap; #if SDL_VIDEO_DRIVER_NDS extern VideoBootStrap NDS_bootstrap; #endif +#if SDL_VIDEO_DRIVER_PANDORA +extern VideoBootStrap PND_bootstrap; +#endif #define SDL_CurrentDisplay (_this->displays[_this->current_display]) diff --git a/src/video/SDL_video.c b/src/video/SDL_video.c index 913bd4e05..d7a2850f0 100644 --- a/src/video/SDL_video.c +++ b/src/video/SDL_video.c @@ -120,6 +120,9 @@ static VideoBootStrap *bootstrap[] = { #endif #if SDL_VIDEO_DRIVER_DUMMY &DUMMY_bootstrap, +#endif +#if SDL_VIDEO_DRIVER_PANDORA + &PND_bootstrap, #endif NULL }; diff --git a/src/video/pandora/SDL_pandora.c b/src/video/pandora/SDL_pandora.c new file mode 100644 index 000000000..3ed09b3bf --- /dev/null +++ b/src/video/pandora/SDL_pandora.c @@ -0,0 +1,858 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2009 Sam Lantinga + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + + Sam Lantinga + slouken@libsdl.org + + Open Pandora SDL driver + Copyright (C) 2009 David Carré + (cpasjuste@gmail.com) +*/ + +/* SDL internals */ +#include "SDL_config.h" +#include "../SDL_sysvideo.h" +#include "SDL_version.h" +#include "SDL_syswm.h" +#include "SDL_loadso.h" +#include "SDL_events.h" +#include "../../events/SDL_mouse_c.h" +#include "../../events/SDL_keyboard_c.h" + +/* PND declarations */ +#include "SDL_pandora.h" +#include "SDL_pandora_events.h" + +static SDL_bool PND_initialized = SDL_FALSE; + +static int +PND_available(void) +{ + return 1; +} + +static void +PND_destroy(SDL_VideoDevice * device) +{ + SDL_VideoData *phdata = (SDL_VideoData *) device->driverdata; + + if (device->driverdata != NULL) { + device->driverdata = NULL; + } +} + +static SDL_VideoDevice * +PND_create() +{ + SDL_VideoDevice *device; + SDL_VideoData *phdata; + int status; + + /* Check if pandora could be initialized */ + status = PND_available(); + if (status == 0) { + /* PND could not be used */ + return NULL; + } + + /* Initialize SDL_VideoDevice structure */ + device = (SDL_VideoDevice *) SDL_calloc(1, sizeof(SDL_VideoDevice)); + if (device == NULL) { + SDL_OutOfMemory(); + return NULL; + } + + /* Initialize internal Pandora specific data */ + phdata = (SDL_VideoData *) SDL_calloc(1, sizeof(SDL_VideoData)); + if (phdata == NULL) { + SDL_OutOfMemory(); + SDL_free(device); + return NULL; + } + + device->driverdata = phdata; + + phdata->egl_initialized = SDL_TRUE; + + + /* Setup amount of available displays and current display */ + device->num_displays = 1; + device->current_display = 1; + + /* Set device free function */ + device->free = PND_destroy; + + /* Setup all functions which we can handle */ + device->VideoInit = PND_videoinit; + device->VideoQuit = PND_videoquit; + device->GetDisplayModes = PND_getdisplaymodes; + device->SetDisplayMode = PND_setdisplaymode; + device->SetDisplayPalette = PND_setdisplaypalette; + device->GetDisplayPalette = PND_getdisplaypalette; + device->SetDisplayGammaRamp = PND_setdisplaygammaramp; + device->GetDisplayGammaRamp = PND_getdisplaygammaramp; + device->CreateWindow = PND_createwindow; + device->CreateWindowFrom = PND_createwindowfrom; + device->SetWindowTitle = PND_setwindowtitle; + device->SetWindowIcon = PND_setwindowicon; + device->SetWindowPosition = PND_setwindowposition; + device->SetWindowSize = PND_setwindowsize; + device->ShowWindow = PND_showwindow; + device->HideWindow = PND_hidewindow; + device->RaiseWindow = PND_raisewindow; + device->MaximizeWindow = PND_maximizewindow; + device->MinimizeWindow = PND_minimizewindow; + device->RestoreWindow = PND_restorewindow; + device->SetWindowGrab = PND_setwindowgrab; + device->DestroyWindow = PND_destroywindow; + device->GetWindowWMInfo = PND_getwindowwminfo; + device->GL_LoadLibrary = PND_gl_loadlibrary; + device->GL_GetProcAddress = PND_gl_getprocaddres; + device->GL_UnloadLibrary = PND_gl_unloadlibrary; + device->GL_CreateContext = PND_gl_createcontext; + device->GL_MakeCurrent = PND_gl_makecurrent; + device->GL_SetSwapInterval = PND_gl_setswapinterval; + device->GL_GetSwapInterval = PND_gl_getswapinterval; + device->GL_SwapWindow = PND_gl_swapwindow; + device->GL_DeleteContext = PND_gl_deletecontext; + device->PumpEvents = PND_PumpEvents; + + return device; +} + +VideoBootStrap PND_bootstrap = { + "pandora", + "SDL Pandora Video Driver", + PND_available, + PND_create +}; + +/*****************************************************************************/ +/* SDL Video and Display initialization/handling functions */ +/*****************************************************************************/ +int +PND_videoinit(_THIS) +{ + SDL_VideoDisplay display; + SDL_DisplayMode current_mode; + + SDL_zero(current_mode); + current_mode.w = 800; + current_mode.h = 480; + current_mode.refresh_rate = 60; + current_mode.format = SDL_PIXELFORMAT_RGB565; + current_mode.driverdata = NULL; + + SDL_zero(display); + display.desktop_mode = current_mode; + display.current_mode = current_mode; + display.driverdata = NULL; + + SDL_AddVideoDisplay(&display); + + return 1; +} + +void +PND_videoquit(_THIS) +{ + +} + +void +PND_getdisplaymodes(_THIS) +{ + +} + +int +PND_setdisplaymode(_THIS, SDL_DisplayMode * mode) +{ + return 0; +} + +int +PND_setdisplaypalette(_THIS, SDL_Palette * palette) +{ + SDL_DisplayData *didata = + (SDL_DisplayData *) SDL_CurrentDisplay.driverdata; + + /* Setting display palette operation has been failed */ + return -1; +} + +int +PND_getdisplaypalette(_THIS, SDL_Palette * palette) +{ + SDL_DisplayData *didata = + (SDL_DisplayData *) SDL_CurrentDisplay.driverdata; + + /* Getting display palette operation has been failed */ + return -1; +} + +int +PND_setdisplaygammaramp(_THIS, Uint16 * ramp) +{ + SDL_DisplayData *didata = + (SDL_DisplayData *) SDL_CurrentDisplay.driverdata; + + /* Setting display gamma ramp operation has been failed */ + return -1; +} + +int +PND_getdisplaygammaramp(_THIS, Uint16 * ramp) +{ + /* Getting display gamma ramp operation has been failed */ + return -1; +} + +int +PND_createwindow(_THIS, SDL_Window * window) +{ + SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata; + + SDL_WindowData *wdata; + + uint32_t winargc = 0; + int32_t status; + + + /* Allocate window internal data */ + wdata = (SDL_WindowData *) SDL_calloc(1, sizeof(SDL_WindowData)); + if (wdata == NULL) { + SDL_OutOfMemory(); + return -1; + } + + /* Setup driver data for this window */ + window->driverdata = wdata; + + /* Check if window must support OpenGL ES rendering */ + if ((window->flags & SDL_WINDOW_OPENGL) == SDL_WINDOW_OPENGL) { + + EGLBoolean initstatus; + + /* Mark this window as OpenGL ES compatible */ + wdata->uses_gles = SDL_TRUE; + + /* Create connection to OpenGL ES */ + if (phdata->egl_display == EGL_NO_DISPLAY) { + phdata->egl_display = eglGetDisplay((NativeDisplayType) 0); + if (phdata->egl_display == EGL_NO_DISPLAY) { + SDL_SetError("PND: Can't get connection to OpenGL ES"); + return -1; + } + + initstatus = eglInitialize(phdata->egl_display, NULL, NULL); + if (initstatus != EGL_TRUE) { + SDL_SetError("PND: Can't init OpenGL ES library"); + return -1; + } + } + + phdata->egl_refcount++; + } + + /* Window has been successfully created */ + return 0; +} + +int +PND_createwindowfrom(_THIS, SDL_Window * window, const void *data) +{ + return -1; +} + +void +PND_setwindowtitle(_THIS, SDL_Window * window) +{ +} +void +PND_setwindowicon(_THIS, SDL_Window * window, SDL_Surface * icon) +{ +} +void +PND_setwindowposition(_THIS, SDL_Window * window) +{ +} +void +PND_setwindowsize(_THIS, SDL_Window * window) +{ +} +void +PND_showwindow(_THIS, SDL_Window * window) +{ +} +void +PND_hidewindow(_THIS, SDL_Window * window) +{ +} +void +PND_raisewindow(_THIS, SDL_Window * window) +{ +} +void +PND_maximizewindow(_THIS, SDL_Window * window) +{ +} +void +PND_minimizewindow(_THIS, SDL_Window * window) +{ +} +void +PND_restorewindow(_THIS, SDL_Window * window) +{ +} +void +PND_setwindowgrab(_THIS, SDL_Window * window) +{ +} +void +PND_destroywindow(_THIS, SDL_Window * window) +{ +} + +/*****************************************************************************/ +/* SDL Window Manager function */ +/*****************************************************************************/ +SDL_bool +PND_getwindowwminfo(_THIS, SDL_Window * window, struct SDL_SysWMinfo *info) +{ + if (info->version.major <= SDL_MAJOR_VERSION) { + return SDL_TRUE; + } else { + SDL_SetError("application not compiled with SDL %d.%d\n", + SDL_MAJOR_VERSION, SDL_MINOR_VERSION); + return SDL_FALSE; + } + + /* Failed to get window manager information */ + return SDL_FALSE; +} + +/*****************************************************************************/ +/* SDL OpenGL/OpenGL ES functions */ +/*****************************************************************************/ +int +PND_gl_loadlibrary(_THIS, const char *path) +{ + SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata; + + /* Check if OpenGL ES library is specified for GF driver */ + if (path == NULL) { + path = SDL_getenv("SDL_OPENGL_LIBRARY"); + if (path == NULL) { + path = SDL_getenv("SDL_OPENGLES_LIBRARY"); + } + } + + /* Check if default library loading requested */ + if (path == NULL) { + /* Already linked with GF library which provides egl* subset of */ + /* functions, use Common profile of OpenGL ES library by default */ + path = "/usr/lib/libGLES_CM.so"; + } + + /* Load dynamic library */ + _this->gl_config.dll_handle = SDL_LoadObject(path); + if (!_this->gl_config.dll_handle) { + /* Failed to load new GL ES library */ + SDL_SetError("PND: Failed to locate OpenGL ES library"); + return -1; + } + + /* Store OpenGL ES library path and name */ + SDL_strlcpy(_this->gl_config.driver_path, path, + SDL_arraysize(_this->gl_config.driver_path)); + + /* New OpenGL ES library is loaded */ + return 0; +} + +void * +PND_gl_getprocaddres(_THIS, const char *proc) +{ + SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata; + void *function_address; + + /* Try to get function address through the egl interface */ + function_address = eglGetProcAddress(proc); + if (function_address != NULL) { + return function_address; + } + + /* Then try to get function in the OpenGL ES library */ + if (_this->gl_config.dll_handle) { + function_address = + SDL_LoadFunction(_this->gl_config.dll_handle, proc); + if (function_address != NULL) { + return function_address; + } + } + + /* Failed to get GL ES function address pointer */ + SDL_SetError("PND: Cannot locate OpenGL ES function name"); + return NULL; +} + +void +PND_gl_unloadlibrary(_THIS) +{ + SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata; + + if (phdata->egl_initialized == SDL_TRUE) { + /* Unload OpenGL ES library */ + if (_this->gl_config.dll_handle) { + SDL_UnloadObject(_this->gl_config.dll_handle); + _this->gl_config.dll_handle = NULL; + } + } else { + SDL_SetError("PND: GF initialization failed, no OpenGL ES support"); + } +} + +SDL_GLContext +PND_gl_createcontext(_THIS, SDL_Window * window) +{ + SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata; + SDL_WindowData *wdata = (SDL_WindowData *) window->driverdata; + SDL_DisplayData *didata = + (SDL_DisplayData *) SDL_CurrentDisplay.driverdata; + EGLBoolean status; + int32_t gfstatus; + EGLint configs; + uint32_t attr_pos; + EGLint attr_value; + EGLint cit; + + /* Check if EGL was initialized */ + if (phdata->egl_initialized != SDL_TRUE) { + SDL_SetError("PND: EGL initialization failed, no OpenGL ES support"); + return NULL; + } + + /* Prepare attributes list to pass them to OpenGL ES */ + attr_pos = 0; + wdata->gles_attributes[attr_pos++] = EGL_SURFACE_TYPE; + wdata->gles_attributes[attr_pos++] = EGL_WINDOW_BIT; + wdata->gles_attributes[attr_pos++] = EGL_RED_SIZE; + wdata->gles_attributes[attr_pos++] = _this->gl_config.red_size; + wdata->gles_attributes[attr_pos++] = EGL_GREEN_SIZE; + wdata->gles_attributes[attr_pos++] = _this->gl_config.green_size; + wdata->gles_attributes[attr_pos++] = EGL_BLUE_SIZE; + wdata->gles_attributes[attr_pos++] = _this->gl_config.blue_size; + wdata->gles_attributes[attr_pos++] = EGL_ALPHA_SIZE; + + /* Setup alpha size in bits */ + if (_this->gl_config.alpha_size) { + wdata->gles_attributes[attr_pos++] = _this->gl_config.alpha_size; + } else { + wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE; + } + + /* Setup color buffer size */ + if (_this->gl_config.buffer_size) { + wdata->gles_attributes[attr_pos++] = EGL_BUFFER_SIZE; + wdata->gles_attributes[attr_pos++] = _this->gl_config.buffer_size; + } else { + wdata->gles_attributes[attr_pos++] = EGL_BUFFER_SIZE; + wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE; + } + + /* Setup depth buffer bits */ + wdata->gles_attributes[attr_pos++] = EGL_DEPTH_SIZE; + wdata->gles_attributes[attr_pos++] = _this->gl_config.depth_size; + + /* Setup stencil bits */ + if (_this->gl_config.stencil_size) { + wdata->gles_attributes[attr_pos++] = EGL_STENCIL_SIZE; + wdata->gles_attributes[attr_pos++] = _this->gl_config.buffer_size; + } else { + wdata->gles_attributes[attr_pos++] = EGL_STENCIL_SIZE; + wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE; + } + + /* Set number of samples in multisampling */ + if (_this->gl_config.multisamplesamples) { + wdata->gles_attributes[attr_pos++] = EGL_SAMPLES; + wdata->gles_attributes[attr_pos++] = + _this->gl_config.multisamplesamples; + } + + /* Multisample buffers, OpenGL ES 1.0 spec defines 0 or 1 buffer */ + if (_this->gl_config.multisamplebuffers) { + wdata->gles_attributes[attr_pos++] = EGL_SAMPLE_BUFFERS; + wdata->gles_attributes[attr_pos++] = + _this->gl_config.multisamplebuffers; + } + + /* Finish attributes list */ + wdata->gles_attributes[attr_pos] = EGL_NONE; + + /* Request first suitable framebuffer configuration */ + status = eglChooseConfig(phdata->egl_display, wdata->gles_attributes, + wdata->gles_configs, 1, &configs); + if (status != EGL_TRUE) { + SDL_SetError("PND: Can't find closest configuration for OpenGL ES"); + return NULL; + } + + /* Check if nothing has been found, try "don't care" settings */ + if (configs == 0) { + int32_t it; + int32_t jt; + GLint depthbits[4] = { 32, 24, 16, EGL_DONT_CARE }; + + for (it = 0; it < 4; it++) { + for (jt = 16; jt >= 0; jt--) { + /* Don't care about color buffer bits, use what exist */ + /* Replace previous set data with EGL_DONT_CARE */ + attr_pos = 0; + wdata->gles_attributes[attr_pos++] = EGL_SURFACE_TYPE; + wdata->gles_attributes[attr_pos++] = EGL_WINDOW_BIT; + wdata->gles_attributes[attr_pos++] = EGL_RED_SIZE; + wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE; + wdata->gles_attributes[attr_pos++] = EGL_GREEN_SIZE; + wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE; + wdata->gles_attributes[attr_pos++] = EGL_BLUE_SIZE; + wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE; + wdata->gles_attributes[attr_pos++] = EGL_ALPHA_SIZE; + wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE; + wdata->gles_attributes[attr_pos++] = EGL_BUFFER_SIZE; + wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE; + + /* Try to find requested or smallest depth */ + if (_this->gl_config.depth_size) { + wdata->gles_attributes[attr_pos++] = EGL_DEPTH_SIZE; + wdata->gles_attributes[attr_pos++] = depthbits[it]; + } else { + wdata->gles_attributes[attr_pos++] = EGL_DEPTH_SIZE; + wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE; + } + + if (_this->gl_config.stencil_size) { + wdata->gles_attributes[attr_pos++] = EGL_STENCIL_SIZE; + wdata->gles_attributes[attr_pos++] = jt; + } else { + wdata->gles_attributes[attr_pos++] = EGL_STENCIL_SIZE; + wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE; + } + + wdata->gles_attributes[attr_pos++] = EGL_SAMPLES; + wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE; + wdata->gles_attributes[attr_pos++] = EGL_SAMPLE_BUFFERS; + wdata->gles_attributes[attr_pos++] = EGL_DONT_CARE; + wdata->gles_attributes[attr_pos] = EGL_NONE; + + /* Request first suitable framebuffer configuration */ + status = + eglChooseConfig(phdata->egl_display, + wdata->gles_attributes, + wdata->gles_configs, 1, &configs); + + if (status != EGL_TRUE) { + SDL_SetError + ("PND: Can't find closest configuration for OpenGL ES"); + return NULL; + } + if (configs != 0) { + break; + } + } + if (configs != 0) { + break; + } + } + + /* No available configs */ + if (configs == 0) { + SDL_SetError("PND: Can't find any configuration for OpenGL ES"); + return NULL; + } + } + + /* Initialize config index */ + wdata->gles_config = 0; + + /* Now check each configuration to find out the best */ + for (cit = 0; cit < configs; cit++) { + uint32_t stencil_found; + uint32_t depth_found; + + stencil_found = 0; + depth_found = 0; + + if (_this->gl_config.stencil_size) { + status = + eglGetConfigAttrib(phdata->egl_display, + wdata->gles_configs[cit], EGL_STENCIL_SIZE, + &attr_value); + if (status == EGL_TRUE) { + if (attr_value != 0) { + stencil_found = 1; + } + } + } else { + stencil_found = 1; + } + + if (_this->gl_config.depth_size) { + status = + eglGetConfigAttrib(phdata->egl_display, + wdata->gles_configs[cit], EGL_DEPTH_SIZE, + &attr_value); + if (status == EGL_TRUE) { + if (attr_value != 0) { + depth_found = 1; + } + } + } else { + depth_found = 1; + } + + /* Exit from loop if found appropriate configuration */ + if ((depth_found != 0) && (stencil_found != 0)) { + break; + } + } + + /* If best could not be found, use first */ + if (cit == configs) { + cit = 0; + } + wdata->gles_config = cit; + + /* Create OpenGL ES context */ + wdata->gles_context = + eglCreateContext(phdata->egl_display, + wdata->gles_configs[wdata->gles_config], NULL, NULL); + if (wdata->gles_context == EGL_NO_CONTEXT) { + SDL_SetError("PND: OpenGL ES context creation has been failed"); + return NULL; + } + + wdata->gles_surface = + eglCreateWindowSurface(phdata->egl_display, + wdata->gles_configs[wdata->gles_config], + (NativeWindowType) 0, NULL); + if (wdata->gles_surface == 0) { + SDL_SetError("Error : eglCreateWindowSurface failed;\n"); + return NULL; + } + + /* Make just created context current */ + status = + eglMakeCurrent(phdata->egl_display, wdata->gles_surface, + wdata->gles_surface, wdata->gles_context); + if (status != EGL_TRUE) { + /* Destroy OpenGL ES surface */ + eglDestroySurface(phdata->egl_display, wdata->gles_surface); + eglDestroyContext(phdata->egl_display, wdata->gles_context); + wdata->gles_context = EGL_NO_CONTEXT; + SDL_SetError("PND: Can't set OpenGL ES context on creation"); + return NULL; + } + + _this->gl_config.accelerated = 1; + + /* Always clear stereo enable, since OpenGL ES do not supports stereo */ + _this->gl_config.stereo = 0; + + /* Get back samples and samplebuffers configurations. Rest framebuffer */ + /* parameters could be obtained through the OpenGL ES API */ + status = + eglGetConfigAttrib(phdata->egl_display, + wdata->gles_configs[wdata->gles_config], + EGL_SAMPLES, &attr_value); + if (status == EGL_TRUE) { + _this->gl_config.multisamplesamples = attr_value; + } + status = + eglGetConfigAttrib(phdata->egl_display, + wdata->gles_configs[wdata->gles_config], + EGL_SAMPLE_BUFFERS, &attr_value); + if (status == EGL_TRUE) { + _this->gl_config.multisamplebuffers = attr_value; + } + + /* Get back stencil and depth buffer sizes */ + status = + eglGetConfigAttrib(phdata->egl_display, + wdata->gles_configs[wdata->gles_config], + EGL_DEPTH_SIZE, &attr_value); + if (status == EGL_TRUE) { + _this->gl_config.depth_size = attr_value; + } + status = + eglGetConfigAttrib(phdata->egl_display, + wdata->gles_configs[wdata->gles_config], + EGL_STENCIL_SIZE, &attr_value); + if (status == EGL_TRUE) { + _this->gl_config.stencil_size = attr_value; + } + + /* Under PND OpenGL ES output can't be double buffered */ + _this->gl_config.double_buffer = 0; + + /* GL ES context was successfully created */ + return wdata->gles_context; +} + +int +PND_gl_makecurrent(_THIS, SDL_Window * window, SDL_GLContext context) +{ + SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata; + SDL_WindowData *wdata; + EGLBoolean status; + + if (phdata->egl_initialized != SDL_TRUE) { + SDL_SetError("PND: GF initialization failed, no OpenGL ES support"); + return -1; + } + + if ((window == NULL) && (context == NULL)) { + status = + eglMakeCurrent(phdata->egl_display, EGL_NO_SURFACE, + EGL_NO_SURFACE, EGL_NO_CONTEXT); + if (status != EGL_TRUE) { + /* Failed to set current GL ES context */ + SDL_SetError("PND: Can't set OpenGL ES context"); + return -1; + } + } else { + wdata = (SDL_WindowData *) window->driverdata; + if (wdata->gles_surface == EGL_NO_SURFACE) { + SDL_SetError + ("PND: OpenGL ES surface is not initialized for this window"); + return -1; + } + if (wdata->gles_context == EGL_NO_CONTEXT) { + SDL_SetError + ("PND: OpenGL ES context is not initialized for this window"); + return -1; + } + if (wdata->gles_context != context) { + SDL_SetError + ("PND: OpenGL ES context is not belong to this window"); + return -1; + } + status = + eglMakeCurrent(phdata->egl_display, wdata->gles_surface, + wdata->gles_surface, wdata->gles_context); + if (status != EGL_TRUE) { + /* Failed to set current GL ES context */ + SDL_SetError("PND: Can't set OpenGL ES context"); + return -1; + } + } + return 0; +} + +int +PND_gl_setswapinterval(_THIS, int interval) +{ + SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata; + EGLBoolean status; + + if (phdata->egl_initialized != SDL_TRUE) { + SDL_SetError("PND: EGL initialization failed, no OpenGL ES support"); + return -1; + } + + /* Check if OpenGL ES connection has been initialized */ + if (phdata->egl_display != EGL_NO_DISPLAY) { + /* Set swap OpenGL ES interval */ + status = eglSwapInterval(phdata->egl_display, interval); + if (status == EGL_TRUE) { + /* Return success to upper level */ + phdata->swapinterval = interval; + return 0; + } + } + + /* Failed to set swap interval */ + SDL_SetError("PND: Cannot set swap interval"); + return -1; +} + +int +PND_gl_getswapinterval(_THIS) +{ + SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata; + + if (phdata->egl_initialized != SDL_TRUE) { + SDL_SetError("PND: GLES initialization failed, no OpenGL ES support"); + return -1; + } + + /* Return default swap interval value */ + return phdata->swapinterval; +} + +void +PND_gl_swapwindow(_THIS, SDL_Window * window) +{ + SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata; + SDL_WindowData *wdata = (SDL_WindowData *) window->driverdata; + SDL_DisplayData *didata = + (SDL_DisplayData *) SDL_CurrentDisplay.driverdata; + + + if (phdata->egl_initialized != SDL_TRUE) { + SDL_SetError("PND: GLES initialization failed, no OpenGL ES support"); + return; + } + + /* Many applications do not uses glFinish(), so we call it for them */ + glFinish(); + + /* Wait until OpenGL ES rendering is completed */ + eglWaitGL(); + + eglSwapBuffers(phdata->egl_display, wdata->gles_surface); +} + +void +PND_gl_deletecontext(_THIS, SDL_GLContext context) +{ + SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata; + EGLBoolean status; + + if (phdata->egl_initialized != SDL_TRUE) { + SDL_SetError("PND: GLES initialization failed, no OpenGL ES support"); + return; + } + + /* Check if OpenGL ES connection has been initialized */ + if (phdata->egl_display != EGL_NO_DISPLAY) { + if (context != EGL_NO_CONTEXT) { + status = eglDestroyContext(phdata->egl_display, context); + if (status != EGL_TRUE) { + /* Error during OpenGL ES context destroying */ + SDL_SetError("PND: OpenGL ES context destroy error"); + return; + } + } + } + + return; +} + +/* vi: set ts=4 sw=4 expandtab: */ diff --git a/src/video/pandora/SDL_pandora.h b/src/video/pandora/SDL_pandora.h new file mode 100644 index 000000000..acde49f75 --- /dev/null +++ b/src/video/pandora/SDL_pandora.h @@ -0,0 +1,110 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2009 Sam Lantinga + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + + Sam Lantinga + slouken@libsdl.org + + Open Pandora SDL driver + Copyright (C) 2009 David Carré + (cpasjuste@gmail.com) +*/ + +#ifndef __SDL_PANDORA_H__ +#define __SDL_PANDORA_H__ + +#include + +#include "SDL_config.h" +#include "../SDL_sysvideo.h" + +typedef struct SDL_VideoData +{ + SDL_bool egl_initialized; /* OpenGL ES device initialization status */ + EGLDisplay egl_display; /* OpenGL ES display connection */ + uint32_t egl_refcount; /* OpenGL ES reference count */ + uint32_t swapinterval; /* OpenGL ES default swap interval */ + +} SDL_VideoData; + + +typedef struct SDL_DisplayData +{ + +} SDL_DisplayData; + + +typedef struct SDL_WindowData +{ + SDL_bool uses_gles; /* if true window must support OpenGL ES */ + + EGLConfig gles_configs[32]; + EGLint gles_config; /* OpenGL ES configuration index */ + EGLContext gles_context; /* OpenGL ES context */ + EGLint gles_attributes[256]; /* OpenGL ES attributes for context */ + EGLSurface gles_surface; /* OpenGL ES target rendering surface */ + +} SDL_WindowData; + + +/****************************************************************************/ +/* SDL_VideoDevice functions declaration */ +/****************************************************************************/ + +/* Display and window functions */ +int PND_videoinit(_THIS); +void PND_videoquit(_THIS); +void PND_getdisplaymodes(_THIS); +int PND_setdisplaymode(_THIS, SDL_DisplayMode * mode); +int PND_setdisplaypalette(_THIS, SDL_Palette * palette); +int PND_getdisplaypalette(_THIS, SDL_Palette * palette); +int PND_setdisplaygammaramp(_THIS, Uint16 * ramp); +int PND_getdisplaygammaramp(_THIS, Uint16 * ramp); +int PND_createwindow(_THIS, SDL_Window * window); +int PND_createwindowfrom(_THIS, SDL_Window * window, const void *data); +void PND_setwindowtitle(_THIS, SDL_Window * window); +void PND_setwindowicon(_THIS, SDL_Window * window, SDL_Surface * icon); +void PND_setwindowposition(_THIS, SDL_Window * window); +void PND_setwindowsize(_THIS, SDL_Window * window); +void PND_showwindow(_THIS, SDL_Window * window); +void PND_hidewindow(_THIS, SDL_Window * window); +void PND_raisewindow(_THIS, SDL_Window * window); +void PND_maximizewindow(_THIS, SDL_Window * window); +void PND_minimizewindow(_THIS, SDL_Window * window); +void PND_restorewindow(_THIS, SDL_Window * window); +void PND_setwindowgrab(_THIS, SDL_Window * window); +void PND_destroywindow(_THIS, SDL_Window * window); + +/* Window manager function */ +SDL_bool PND_getwindowwminfo(_THIS, SDL_Window * window, + struct SDL_SysWMinfo *info); + +/* OpenGL/OpenGL ES functions */ +int PND_gl_loadlibrary(_THIS, const char *path); +void *PND_gl_getprocaddres(_THIS, const char *proc); +void PND_gl_unloadlibrary(_THIS); +SDL_GLContext PND_gl_createcontext(_THIS, SDL_Window * window); +int PND_gl_makecurrent(_THIS, SDL_Window * window, SDL_GLContext context); +int PND_gl_setswapinterval(_THIS, int interval); +int PND_gl_getswapinterval(_THIS); +void PND_gl_swapwindow(_THIS, SDL_Window * window); +void PND_gl_deletecontext(_THIS, SDL_GLContext context); + + +#endif /* __SDL_PANDORA_H__ */ + +/* vi: set ts=4 sw=4 expandtab: */ diff --git a/src/video/pandora/SDL_pandora_events.c b/src/video/pandora/SDL_pandora_events.c new file mode 100644 index 000000000..3a555fc3d --- /dev/null +++ b/src/video/pandora/SDL_pandora_events.c @@ -0,0 +1,36 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2009 Sam Lantinga + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + + Sam Lantinga + slouken@libsdl.org +*/ +#include "SDL_config.h" + +/* Being a null driver, there's no event stream. We just define stubs for + most of the API. */ + +#include "../../events/SDL_sysevents.h" +#include "../../events/SDL_events_c.h" + +void +PND_PumpEvents(_THIS) +{ + /* Not implemented. */ +} + +/* vi: set ts=4 sw=4 expandtab: */ diff --git a/src/video/pandora/SDL_pandora_events.h b/src/video/pandora/SDL_pandora_events.h new file mode 100644 index 000000000..fda3fcfe8 --- /dev/null +++ b/src/video/pandora/SDL_pandora_events.h @@ -0,0 +1,26 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2009 Sam Lantinga + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + + Sam Lantinga + slouken@libsdl.org +*/ +#include "SDL_config.h" + +extern void PND_PumpEvents(_THIS); + +/* vi: set ts=4 sw=4 expandtab: */ diff --git a/src/video/x11/SDL_x11window.c b/src/video/x11/SDL_x11window.c index b97f7741c..3c5d9bcc1 100644 --- a/src/video/x11/SDL_x11window.c +++ b/src/video/x11/SDL_x11window.c @@ -31,6 +31,10 @@ #include "SDL_x11gamma.h" #include "../Xext/extensions/StdCmap.h" +#ifdef SDL_VIDEO_DRIVER_PANDORA +#include "SDL_x11opengles.h" +#endif + #define _NET_WM_STATE_REMOVE 0l #define _NET_WM_STATE_ADD 1l #define _NET_WM_STATE_TOGGLE 2l @@ -240,6 +244,19 @@ X11_CreateWindow(_THIS, SDL_Window * window) depth = vinfo->depth; XFree(vinfo); } else +#endif +#ifdef SDL_VIDEO_DRIVER_PANDORA + if (window->flags & SDL_WINDOW_OPENGL) { + XVisualInfo *vinfo; + + vinfo = X11_GLES_GetVisual(_this, data->display, displaydata->screen); + if (!vinfo) { + return -1; + } + visual = vinfo->visual; + depth = vinfo->depth; + XFree(vinfo); + } else #endif { visual = displaydata->visual; @@ -505,6 +522,19 @@ X11_CreateWindow(_THIS, SDL_Window * window) SDL_SetError("Couldn't create window"); return -1; } +#if SDL_VIDEO_DRIVER_PANDORA + /* Create the GLES window surface */ + _this->gles_data->egl_surface = + _this->gles_data->eglCreateWindowSurface(_this->gles_data-> + egl_display, + _this->gles_data->egl_config, + (NativeWindowType) w, NULL); + + if (_this->gles_data->egl_surface == EGL_NO_SURFACE) { + SDL_SetError("Could not create GLES window surface"); + return -1; + } +#endif sizehints = XAllocSizeHints(); if (sizehints) {