diff options
Diffstat (limited to 'nx-X11/extras/Mesa_6.4.1/src/egl/drivers/demo/demo.c')
| -rw-r--r-- | nx-X11/extras/Mesa_6.4.1/src/egl/drivers/demo/demo.c | 321 |
1 files changed, 321 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa_6.4.1/src/egl/drivers/demo/demo.c b/nx-X11/extras/Mesa_6.4.1/src/egl/drivers/demo/demo.c new file mode 100644 index 000000000..4c08ac569 --- /dev/null +++ b/nx-X11/extras/Mesa_6.4.1/src/egl/drivers/demo/demo.c @@ -0,0 +1,321 @@ +/* + * 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 */ + GLuint 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 */ + GLuint DemoStuff; +} DemoSurface; + + +/** + * Demo driver-specific context class derived from _EGLContext + */ +typedef struct demo_context +{ + _EGLContext Base; /* base class/object */ + GLuint DemoStuff; +} DemoContext; + + + +static EGLBoolean +demoInitialize(_EGLDriver *drv, EGLDisplay dpy, EGLint *major, EGLint *minor) +{ + _EGLDisplay *disp = _eglLookupDisplay(dpy); + _EGLScreen *scrn; + EGLint i; + + /* Create a screen */ + scrn = calloc(1, sizeof(*scrn)); + _eglAddScreen(disp, scrn); + + /* Create the screen's modes - silly example */ + _eglAddMode(scrn, 1600, 1200, 72 * 1000, "1600x1200-72"); + _eglAddMode(scrn, 1280, 1024, 72 * 1000, "1280x1024-70"); + _eglAddMode(scrn, 1280, 1024, 70 * 1000, "1280x1024-70"); + _eglAddMode(scrn, 1024, 768, 72 * 1000, "1024x768-72"); + + /* Create the display's visual configs - silly example */ + for (i = 0; i < 4; i++) { + _EGLConfig config; + _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); + } + + drv->Initialized = EGL_TRUE; + + *major = 1; + *minor = 0; + + return EGL_TRUE; +} + + +static EGLBoolean +demoTerminate(_EGLDriver *drv, EGLDisplay dpy) +{ + /*DemoDriver *demo = DEMO_DRIVER(dpy);*/ + free(drv); + return EGL_TRUE; +} + + +static DemoContext * +LookupDemoContext(EGLContext ctx) +{ + _EGLContext *c = _eglLookupContext(ctx); + return (DemoContext *) c; +} + + +static DemoSurface * +LookupDemoSurface(EGLSurface surf) +{ + _EGLSurface *s = _eglLookupSurface(surf); + return (DemoSurface *) s; +} + + + +static EGLContext +demoCreateContext(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, EGLContext share_list, const EGLint *attrib_list) +{ + _EGLConfig *conf; + DemoContext *c; + _EGLDisplay *disp = _eglLookupDisplay(dpy); + int i; + + conf = _eglLookupConfig(drv, dpy, config); + if (!conf) { + _eglError(EGL_BAD_CONFIG, "eglCreateContext"); + return EGL_NO_CONTEXT; + } + + 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 EGL_NO_CONTEXT; + } + } + + c = (DemoContext *) calloc(1, sizeof(DemoContext)); + if (!c) + return EGL_NO_CONTEXT; + + _eglInitContext(&c->Base); + c->Base.Display = disp; + c->Base.Config = conf; + c->Base.DrawSurface = EGL_NO_SURFACE; + c->Base.ReadSurface = EGL_NO_SURFACE; + c->DemoStuff = 1; + printf("demoCreateContext\n"); + + /* generate handle and insert into hash table */ + _eglSaveContext(&c->Base); + assert(c->Base.Handle); + + return c->Base.Handle; +} + + +static EGLSurface +demoCreateWindowSurface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, 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 EGL_NO_SURFACE; + } + } + printf("eglCreateWindowSurface()\n"); + /* XXX unfinished */ + + return EGL_NO_SURFACE; +} + + +static EGLSurface +demoCreatePixmapSurface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, NativePixmapType pixmap, const EGLint *attrib_list) +{ + _EGLConfig *conf; + EGLint i; + + conf = _eglLookupConfig(drv, dpy, config); + if (!conf) { + _eglError(EGL_BAD_CONFIG, "eglCreatePixmapSurface"); + return EGL_NO_SURFACE; + } + + 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 EGL_NO_SURFACE; + } + } + + if (conf->Attrib[EGL_SURFACE_TYPE - FIRST_ATTRIB] == 0) { + _eglError(EGL_BAD_MATCH, "eglCreatePixmapSurface"); + return EGL_NO_SURFACE; + } + + printf("eglCreatePixmapSurface()\n"); + return EGL_NO_SURFACE; +} + + +static EGLSurface +demoCreatePbufferSurface(_EGLDriver *drv, EGLDisplay dpy, EGLConfig config, + const EGLint *attrib_list) +{ + DemoSurface *surf = (DemoSurface *) calloc(1, sizeof(DemoSurface)); + if (!surf) + return EGL_NO_SURFACE; + + if (_eglInitPbufferSurface(&surf->Base, drv, dpy, config, attrib_list) + == EGL_NO_SURFACE) { + free(surf); + return EGL_NO_SURFACE; + } + + /* a real driver would allocate the pbuffer memory here */ + + return surf->Base.Handle; +} + + +static EGLBoolean +demoDestroySurface(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface) +{ + DemoSurface *fs = LookupDemoSurface(surface); + _eglRemoveSurface(&fs->Base); + if (fs->Base.IsBound) { + fs->Base.DeletePending = EGL_TRUE; + } + else { + free(fs); + } + return EGL_TRUE; +} + + +static EGLBoolean +demoDestroyContext(_EGLDriver *drv, EGLDisplay dpy, EGLContext context) +{ + DemoContext *fc = LookupDemoContext(context); + _eglRemoveContext(&fc->Base); + if (fc->Base.IsBound) { + fc->Base.DeletePending = EGL_TRUE; + } + else { + free(fc); + } + return EGL_TRUE; +} + + +static EGLBoolean +demoMakeCurrent(_EGLDriver *drv, EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext context) +{ + /*DemoDriver *demo = DEMO_DRIVER(dpy);*/ + DemoSurface *readSurf = LookupDemoSurface(read); + DemoSurface *drawSurf = LookupDemoSurface(draw); + DemoContext *ctx = LookupDemoContext(context); + EGLBoolean b; + + b = _eglMakeCurrent(drv, dpy, draw, read, context); + 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; +} + + +/** + * The bootstrap function. Return a new DemoDriver object and + * plug in API functions. + */ +_EGLDriver * +_eglMain(_EGLDisplay *dpy) +{ + 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.Initialize = demoInitialize; + demo->Base.Terminate = demoTerminate; + demo->Base.CreateContext = demoCreateContext; + demo->Base.MakeCurrent = demoMakeCurrent; + demo->Base.CreateWindowSurface = demoCreateWindowSurface; + demo->Base.CreatePixmapSurface = demoCreatePixmapSurface; + demo->Base.CreatePbufferSurface = demoCreatePbufferSurface; + demo->Base.DestroySurface = demoDestroySurface; + demo->Base.DestroyContext = demoDestroyContext; + + /* enable supported extensions */ + demo->Base.MESA_screen_surface = EGL_TRUE; + demo->Base.MESA_copy_context = EGL_TRUE; + + return &demo->Base; +} |