+++ /dev/null
-/*
- * Sample driver: Demo
- */
-
-#include <assert.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include "eglconfig.h"
-#include "eglcontext.h"
-#include "egldisplay.h"
-#include "egldriver.h"
-#include "eglglobals.h"
-#include "eglmode.h"
-#include "eglscreen.h"
-#include "eglsurface.h"
-
-
-/**
- * Demo driver-specific driver class derived from _EGLDriver
- */
-typedef struct demo_driver
-{
- _EGLDriver Base; /* base class/object */
- unsigned DemoStuff;
-} DemoDriver;
-
-#define DEMO_DRIVER(D) ((DemoDriver *) (D))
-
-
-/**
- * Demo driver-specific surface class derived from _EGLSurface
- */
-typedef struct demo_surface
-{
- _EGLSurface Base; /* base class/object */
- unsigned DemoStuff;
-} DemoSurface;
-
-
-/**
- * Demo driver-specific context class derived from _EGLContext
- */
-typedef struct demo_context
-{
- _EGLContext Base; /* base class/object */
- unsigned DemoStuff;
-} DemoContext;
-
-
-
-static EGLBoolean
-demoInitialize(_EGLDriver *drv, _EGLDisplay *disp, EGLint *major, EGLint *minor)
-{
- _EGLScreen *scrn;
- EGLint i;
-
- /* Create a screen */
- scrn = calloc(1, sizeof(*scrn));
- _eglAddScreen(disp, scrn);
-
- /* Create the screen's modes - silly example */
- _eglAddNewMode(scrn, 1600, 1200, 72 * 1000, "1600x1200-72");
- _eglAddNewMode(scrn, 1280, 1024, 72 * 1000, "1280x1024-70");
- _eglAddNewMode(scrn, 1280, 1024, 70 * 1000, "1280x1024-70");
- _eglAddNewMode(scrn, 1024, 768, 72 * 1000, "1024x768-72");
-
- /* Create the display's visual configs - silly example */
- for (i = 0; i < 4; i++) {
- _EGLConfig *config = calloc(1, sizeof(_EGLConfig));
- _eglInitConfig(config, i + 1);
- _eglSetConfigAttrib(config, EGL_RED_SIZE, 8);
- _eglSetConfigAttrib(config, EGL_GREEN_SIZE, 8);
- _eglSetConfigAttrib(config, EGL_BLUE_SIZE, 8);
- _eglSetConfigAttrib(config, EGL_ALPHA_SIZE, 8);
- _eglSetConfigAttrib(config, EGL_BUFFER_SIZE, 32);
- if (i & 1) {
- _eglSetConfigAttrib(config, EGL_DEPTH_SIZE, 32);
- }
- if (i & 2) {
- _eglSetConfigAttrib(config, EGL_STENCIL_SIZE, 8);
- }
- _eglSetConfigAttrib(config, EGL_SURFACE_TYPE,
- (EGL_WINDOW_BIT | EGL_PIXMAP_BIT | EGL_PBUFFER_BIT));
- _eglAddConfig(disp, config);
- }
-
- /* enable supported extensions */
- disp->Extensions.MESA_screen_surface = EGL_TRUE;
- disp->Extensions.MESA_copy_context = EGL_TRUE;
-
- *major = 1;
- *minor = 0;
-
- return EGL_TRUE;
-}
-
-
-static EGLBoolean
-demoTerminate(_EGLDriver *drv, _EGLDisplay *dpy)
-{
- /*DemoDriver *demo = DEMO_DRIVER(dpy);*/
- return EGL_TRUE;
-}
-
-
-static DemoContext *
-LookupDemoContext(_EGLContext *c)
-{
- return (DemoContext *) c;
-}
-
-
-static DemoSurface *
-LookupDemoSurface(_EGLSurface *s)
-{
- return (DemoSurface *) s;
-}
-
-
-static _EGLContext *
-demoCreateContext(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf, _EGLContext *share_list, const EGLint *attrib_list)
-{
- DemoContext *c;
- int i;
-
- for (i = 0; attrib_list && attrib_list[i] != EGL_NONE; i++) {
- switch (attrib_list[i]) {
- /* no attribs defined for now */
- default:
- _eglError(EGL_BAD_ATTRIBUTE, "eglCreateContext");
- return NULL;
- }
- }
-
- c = (DemoContext *) calloc(1, sizeof(DemoContext));
- if (!c)
- return NULL;
-
- _eglInitContext(drv, &c->Base, conf, attrib_list);
- c->DemoStuff = 1;
- printf("demoCreateContext\n");
-
- return &c->Base;
-}
-
-
-static _EGLSurface *
-demoCreateWindowSurface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf, NativeWindowType window, const EGLint *attrib_list)
-{
- int i;
- for (i = 0; attrib_list && attrib_list[i] != EGL_NONE; i++) {
- switch (attrib_list[i]) {
- /* no attribs at this time */
- default:
- _eglError(EGL_BAD_ATTRIBUTE, "eglCreateWindowSurface");
- return NULL;
- }
- }
- printf("eglCreateWindowSurface()\n");
- /* XXX unfinished */
-
- return NULL;
-}
-
-
-static _EGLSurface *
-demoCreatePixmapSurface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf, NativePixmapType pixmap, const EGLint *attrib_list)
-{
- EGLint i;
-
- for (i = 0; attrib_list && attrib_list[i] != EGL_NONE; i++) {
- switch (attrib_list[i]) {
- /* no attribs at this time */
- default:
- _eglError(EGL_BAD_ATTRIBUTE, "eglCreatePixmapSurface");
- return NULL;
- }
- }
-
- if (GET_CONFIG_ATTRIB(conf, EGL_SURFACE_TYPE) == 0) {
- _eglError(EGL_BAD_MATCH, "eglCreatePixmapSurface");
- return NULL;
- }
-
- printf("eglCreatePixmapSurface()\n");
- return NULL;
-}
-
-
-static _EGLSurface *
-demoCreatePbufferSurface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf,
- const EGLint *attrib_list)
-{
- DemoSurface *surf = (DemoSurface *) calloc(1, sizeof(DemoSurface));
-
- if (!surf)
- return NULL;
-
- if (!_eglInitSurface(drv, &surf->Base, EGL_PBUFFER_BIT,
- conf, attrib_list)) {
- free(surf);
- return NULL;
- }
-
- /* a real driver would allocate the pbuffer memory here */
-
- return &surf->Base;
-}
-
-
-static EGLBoolean
-demoDestroySurface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surface)
-{
- DemoSurface *fs = LookupDemoSurface(surface);
- if (!_eglIsSurfaceBound(&fs->Base))
- free(fs);
- return EGL_TRUE;
-}
-
-
-static EGLBoolean
-demoDestroyContext(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *context)
-{
- DemoContext *fc = LookupDemoContext(context);
- if (!_eglIsContextBound(&fc->Base))
- free(fc);
- return EGL_TRUE;
-}
-
-
-static EGLBoolean
-demoMakeCurrent(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *drawSurf, _EGLSurface *readSurf, _EGLContext *ctx)
-{
- /*DemoDriver *demo = DEMO_DRIVER(dpy);*/
- EGLBoolean b;
-
- b = _eglMakeCurrent(drv, dpy, drawSurf, readSurf, ctx);
- if (!b)
- return EGL_FALSE;
-
- /* XXX this is where we'd do the hardware context switch */
- (void) drawSurf;
- (void) readSurf;
- (void) ctx;
-
- printf("eglMakeCurrent()\n");
- return EGL_TRUE;
-}
-
-
-static void
-demoUnload(_EGLDriver *drv)
-{
- free(drv);
-}
-
-
-/**
- * The bootstrap function. Return a new DemoDriver object and
- * plug in API functions.
- */
-_EGLDriver *
-_eglMain(const char *args)
-{
- DemoDriver *demo;
-
- demo = (DemoDriver *) calloc(1, sizeof(DemoDriver));
- if (!demo) {
- return NULL;
- }
-
- /* First fill in the dispatch table with defaults */
- _eglInitDriverFallbacks(&demo->Base);
- /* then plug in our Demo-specific functions */
- demo->Base.API.Initialize = demoInitialize;
- demo->Base.API.Terminate = demoTerminate;
- demo->Base.API.CreateContext = demoCreateContext;
- demo->Base.API.MakeCurrent = demoMakeCurrent;
- demo->Base.API.CreateWindowSurface = demoCreateWindowSurface;
- demo->Base.API.CreatePixmapSurface = demoCreatePixmapSurface;
- demo->Base.API.CreatePbufferSurface = demoCreatePbufferSurface;
- demo->Base.API.DestroySurface = demoDestroySurface;
- demo->Base.API.DestroyContext = demoDestroyContext;
-
- demo->Base.Name = "egl/demo";
- demo->Base.Unload = demoUnload;
-
- return &demo->Base;
-}
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