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OpenPandora support added by David Carré

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This commit is contained in:
Sam Lantinga
2009-05-31 11:53:12 +00:00
parent 8a25c7d1e0
commit a7a0cefe2a
11 changed files with 1139 additions and 2 deletions
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14
src/video/SDL_renderer_gles.c
View File

@@ -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;

7
src/video/SDL_sysvideo.h
View File

@@ -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])

3
src/video/SDL_video.c
View File

@@ -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
};

858
src/video/pandora/SDL_pandora.c Normal file
View File

@@ -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: */

110
src/video/pandora/SDL_pandora.h Normal file
View File

@@ -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 <GLES/egl.h>
#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: */

36
src/video/pandora/SDL_pandora_events.c Normal file
View File

@@ -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: */

26
src/video/pandora/SDL_pandora_events.h Normal file
View File

@@ -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: */

30
src/video/x11/SDL_x11window.c
View File

@@ -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) {