SDL_pspgl.c
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/*
Simple DirectMedia Layer
Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#include "../../SDL_internal.h"
#if SDL_VIDEO_DRIVER_PSP
#include <stdlib.h>
#include <string.h>
#include "SDL_error.h"
#include "SDL_pspvideo.h"
#include "SDL_pspgl_c.h"
/*****************************************************************************/
/* SDL OpenGL/OpenGL ES functions */
/*****************************************************************************/
#define EGLCHK(stmt) \
do { \
EGLint err; \
\
stmt; \
err = eglGetError(); \
if (err != EGL_SUCCESS) { \
SDL_SetError("EGL error %d", err); \
return 0; \
} \
} while (0)
int
PSP_GL_LoadLibrary(_THIS, const char *path)
{
if (!_this->gl_config.driver_loaded) {
_this->gl_config.driver_loaded = 1;
}
return 0;
}
/* pspgl doesn't provide this call, so stub it out since SDL requires it.
#define GLSTUB(func,params) void func params {}
GLSTUB(glOrtho,(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top,
GLdouble zNear, GLdouble zFar))
*/
void *
PSP_GL_GetProcAddress(_THIS, const char *proc)
{
return eglGetProcAddress(proc);
}
void
PSP_GL_UnloadLibrary(_THIS)
{
eglTerminate(_this->gl_data->display);
}
static EGLint width = 480;
static EGLint height = 272;
SDL_GLContext
PSP_GL_CreateContext(_THIS, SDL_Window * window)
{
SDL_WindowData *wdata = (SDL_WindowData *) window->driverdata;
EGLint attribs[32];
EGLDisplay display;
EGLContext context;
EGLSurface surface;
EGLConfig config;
EGLint num_configs;
int i;
/* EGL init taken from glutCreateWindow() in PSPGL's glut.c. */
EGLCHK(display = eglGetDisplay(0));
EGLCHK(eglInitialize(display, NULL, NULL));
wdata->uses_gles = SDL_TRUE;
window->flags |= SDL_WINDOW_FULLSCREEN;
/* Setup the config based on SDL's current values. */
i = 0;
attribs[i++] = EGL_RED_SIZE;
attribs[i++] = _this->gl_config.red_size;
attribs[i++] = EGL_GREEN_SIZE;
attribs[i++] = _this->gl_config.green_size;
attribs[i++] = EGL_BLUE_SIZE;
attribs[i++] = _this->gl_config.blue_size;
attribs[i++] = EGL_DEPTH_SIZE;
attribs[i++] = _this->gl_config.depth_size;
if (_this->gl_config.alpha_size)
{
attribs[i++] = EGL_ALPHA_SIZE;
attribs[i++] = _this->gl_config.alpha_size;
}
if (_this->gl_config.stencil_size)
{
attribs[i++] = EGL_STENCIL_SIZE;
attribs[i++] = _this->gl_config.stencil_size;
}
attribs[i++] = EGL_NONE;
EGLCHK(eglChooseConfig(display, attribs, &config, 1, &num_configs));
if (num_configs == 0)
{
SDL_SetError("No valid EGL configs for requested mode");
return 0;
}
EGLCHK(eglGetConfigAttrib(display, config, EGL_WIDTH, &width));
EGLCHK(eglGetConfigAttrib(display, config, EGL_HEIGHT, &height));
EGLCHK(context = eglCreateContext(display, config, NULL, NULL));
EGLCHK(surface = eglCreateWindowSurface(display, config, 0, NULL));
EGLCHK(eglMakeCurrent(display, surface, surface, context));
_this->gl_data->display = display;
_this->gl_data->context = context;
_this->gl_data->surface = surface;
return context;
}
int
PSP_GL_MakeCurrent(_THIS, SDL_Window * window, SDL_GLContext context)
{
if (!eglMakeCurrent(_this->gl_data->display, _this->gl_data->surface,
_this->gl_data->surface, _this->gl_data->context))
{
return SDL_SetError("Unable to make EGL context current");
}
return 0;
}
int
PSP_GL_SetSwapInterval(_THIS, int interval)
{
EGLBoolean status;
status = eglSwapInterval(_this->gl_data->display, interval);
if (status == EGL_TRUE) {
/* Return success to upper level */
_this->gl_data->swapinterval = interval;
return 0;
}
/* Failed to set swap interval */
return SDL_SetError("Unable to set the EGL swap interval");
}
int
PSP_GL_GetSwapInterval(_THIS)
{
return _this->gl_data->swapinterval;
}
void
PSP_GL_SwapWindow(_THIS, SDL_Window * window)
{
eglSwapBuffers(_this->gl_data->display, _this->gl_data->surface);
}
void
PSP_GL_DeleteContext(_THIS, SDL_GLContext context)
{
SDL_VideoData *phdata = (SDL_VideoData *) _this->driverdata;
EGLBoolean status;
if (phdata->egl_initialized != SDL_TRUE) {
SDL_SetError("PSP: GLES initialization failed, no OpenGL ES support");
return;
}
/* Check if OpenGL ES connection has been initialized */
if (_this->gl_data->display != EGL_NO_DISPLAY) {
if (context != EGL_NO_CONTEXT) {
status = eglDestroyContext(_this->gl_data->display, context);
if (status != EGL_TRUE) {
/* Error during OpenGL ES context destroying */
SDL_SetError("PSP: OpenGL ES context destroy error");
return;
}
}
}
return;
}
#endif /* SDL_VIDEO_DRIVER_PSP */
/* vi: set ts=4 sw=4 expandtab: */
attribs
const GLint * attribs
Definition: SDL_opengl_glext.h:9688
SDL_GLDriverData::swapinterval
uint32_t swapinterval
Definition: SDL_pspgl_c.h:36
width
GLint GLint GLsizei width
Definition: SDL_opengl.h:1565
PSP_GL_UnloadLibrary
void PSP_GL_UnloadLibrary(_THIS)
PSP_GL_CreateContext
SDL_GLContext PSP_GL_CreateContext(_THIS, SDL_Window *window)
SDL_VideoDevice::blue_size
int blue_size
Definition: SDL_sysvideo.h:293
window
SDL_Window * window
Definition: testautomation_render.c:26
SDL_VideoDevice::driverdata
void * driverdata
Definition: SDL_sysvideo.h:332
SDL_GLDriverData::surface
EGLSurface surface
Definition: SDL_pspgl_c.h:35
height
GLint GLint GLsizei GLsizei height
Definition: SDL_opengl.h:1565
PSP_GL_SwapWindow
void PSP_GL_SwapWindow(_THIS, SDL_Window *window)
SDL_GLDriverData::display
EGLDisplay display
Definition: SDL_pspgl_c.h:33
PSP_GL_MakeCurrent
int PSP_GL_MakeCurrent(_THIS, SDL_Window *window, SDL_GLContext context)
PSP_GL_GetSwapInterval
int PSP_GL_GetSwapInterval(_THIS)
SDL_VideoDevice::gl_data
struct SDL_GLDriverData * gl_data
Definition: SDL_sysvideo.h:333
SDL_WindowData
Definition: SDL_androidwindow.h:34
_this
static SDL_VideoDevice * _this
Definition: SDL_video.c:114
SDL_VideoDevice::gl_config
struct SDL_VideoDevice::@29 gl_config
SDL_GLContext
void * SDL_GLContext
An opaque handle to an OpenGL context.
Definition: SDL_video.h:164
SDL_pspgl_c.h
SDL_VideoDevice::depth_size
int depth_size
Definition: SDL_sysvideo.h:295
SDL_VideoDevice::red_size
int red_size
Definition: SDL_sysvideo.h:291
PSP_GL_DeleteContext
void PSP_GL_DeleteContext(_THIS, SDL_GLContext context)
_THIS
#define _THIS
Definition: SDL_alsa_audio.h:31
SDL_pspvideo.h
SDL_VideoDevice::driver_loaded
int driver_loaded
Definition: SDL_sysvideo.h:315
SDL_WindowData::uses_gles
SDL_bool uses_gles
Definition: SDL_pandora.h:48
PSP_GL_LoadLibrary
int PSP_GL_LoadLibrary(_THIS, const char *path)
SDL_VideoDevice::green_size
int green_size
Definition: SDL_sysvideo.h:292
SDL_VideoDevice::alpha_size
int alpha_size
Definition: SDL_sysvideo.h:294
SDL_TRUE
Definition: SDL_stdinc.h:129
PSP_GL_SetSwapInterval
int PSP_GL_SetSwapInterval(_THIS, int interval)
SDL_VideoDevice::stencil_size
int stencil_size
Definition: SDL_sysvideo.h:297
i
return Display return Display Bool Bool int int int return Display XEvent Bool(*) XPointer return Display return Display Drawable _Xconst char unsigned int unsigned int return Display Pixmap Pixmap XColor XColor unsigned int unsigned int return Display _Xconst char char int char return Display Visual unsigned int int int char unsigned int unsigned int in i)
Definition: SDL_x11sym.h:42
NULL
#define NULL
Definition: begin_code.h:143
SDL_SetError
#define SDL_SetError
Definition: SDL_dynapi_overrides.h:36
SDL_Window
The type used to identify a window.
Definition: SDL_sysvideo.h:71
PSP_GL_GetProcAddress
void * PSP_GL_GetProcAddress(_THIS, const char *proc)
SDL_WINDOW_FULLSCREEN
Definition: SDL_video.h:98
SDL_VideoData::egl_initialized
SDL_bool egl_initialized
Definition: SDL_pandora.h:32
SDL_VideoData
Definition: SDL_androidvideo.h:35
path
GLsizei const GLchar *const * path
Definition: SDL_opengl_glext.h:3730
SDL_Window::driverdata
void * driverdata
Definition: SDL_sysvideo.h:106
SDL_GLDriverData::context
EGLContext context
Definition: SDL_pspgl_c.h:34
SDL_Window::flags
Uint32 flags
Definition: SDL_sysvideo.h:81
SDL_error.h