diff options
Diffstat (limited to 'src/gallium/state_trackers/egl/common/egl_g3d_api.c')
-rw-r--r-- | src/gallium/state_trackers/egl/common/egl_g3d_api.c | 731 |
1 files changed, 731 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/egl/common/egl_g3d_api.c b/src/gallium/state_trackers/egl/common/egl_g3d_api.c new file mode 100644 index 0000000..47dedc7 --- /dev/null +++ b/src/gallium/state_trackers/egl/common/egl_g3d_api.c @@ -0,0 +1,731 @@ +/* + * Mesa 3-D graphics library + * Version: 7.9 + * + * Copyright (C) 2009-2010 Chia-I Wu <olv@0xlab.org> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include "egldriver.h" +#include "eglcurrent.h" +#include "egllog.h" + +#include "pipe/p_screen.h" +#include "util/u_memory.h" +#include "util/u_inlines.h" + +#include "egl_g3d.h" +#include "egl_g3d_api.h" +#include "egl_g3d_image.h" +#include "egl_g3d_st.h" +#include "native.h" + +/** + * Return the state tracker for the given context. + */ +static struct st_api * +egl_g3d_choose_st(_EGLDriver *drv, _EGLContext *ctx) +{ + struct egl_g3d_driver *gdrv = egl_g3d_driver(drv); + struct st_api *stapi; + EGLint idx = -1; + + switch (ctx->ClientAPI) { + case EGL_OPENGL_ES_API: + switch (ctx->ClientVersion) { + case 1: + idx = ST_API_OPENGL_ES1; + break; + case 2: + idx = ST_API_OPENGL_ES2; + break; + default: + _eglLog(_EGL_WARNING, "unknown client version %d", + ctx->ClientVersion); + break; + } + break; + case EGL_OPENVG_API: + idx = ST_API_OPENVG; + break; + case EGL_OPENGL_API: + idx = ST_API_OPENGL; + break; + default: + _eglLog(_EGL_WARNING, "unknown client API 0x%04x", ctx->ClientAPI); + break; + } + + stapi = (idx >= 0) ? gdrv->stapis[idx] : NULL; + return stapi; +} + +static _EGLContext * +egl_g3d_create_context(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf, + _EGLContext *share, const EGLint *attribs) +{ + struct egl_g3d_display *gdpy = egl_g3d_display(dpy); + struct egl_g3d_context *gshare = egl_g3d_context(share); + struct egl_g3d_config *gconf = egl_g3d_config(conf); + struct egl_g3d_context *gctx; + + gctx = CALLOC_STRUCT(egl_g3d_context); + if (!gctx) { + _eglError(EGL_BAD_ALLOC, "eglCreateContext"); + return NULL; + } + + if (!_eglInitContext(&gctx->base, dpy, conf, attribs)) { + free(gctx); + return NULL; + } + + gctx->stapi = egl_g3d_choose_st(drv, &gctx->base); + if (!gctx->stapi) { + free(gctx); + return NULL; + } + + gctx->stctxi = gctx->stapi->create_context(gctx->stapi, gdpy->smapi, + &gconf->stvis, (gshare) ? gshare->stctxi : NULL); + if (!gctx->stctxi) { + free(gctx); + return NULL; + } + + gctx->stctxi->st_manager_private = (void *) &gctx->base; + + return &gctx->base; +} + +/** + * Destroy a context. + */ +static void +destroy_context(_EGLDisplay *dpy, _EGLContext *ctx) +{ + struct egl_g3d_context *gctx = egl_g3d_context(ctx); + + /* FIXME a context might live longer than its display */ + if (!dpy->Initialized) + _eglLog(_EGL_FATAL, "destroy a context with an unitialized display"); + + gctx->stctxi->destroy(gctx->stctxi); + + free(gctx); +} + +static EGLBoolean +egl_g3d_destroy_context(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx) +{ + if (!_eglIsContextBound(ctx)) + destroy_context(dpy, ctx); + return EGL_TRUE; +} + +struct egl_g3d_create_surface_arg { + EGLint type; + union { + EGLNativeWindowType win; + EGLNativePixmapType pix; + } u; +}; + +static _EGLSurface * +egl_g3d_create_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf, + struct egl_g3d_create_surface_arg *arg, + const EGLint *attribs) +{ + struct egl_g3d_display *gdpy = egl_g3d_display(dpy); + struct egl_g3d_config *gconf = egl_g3d_config(conf); + struct egl_g3d_surface *gsurf; + struct native_surface *nsurf; + const char *err; + + switch (arg->type) { + case EGL_WINDOW_BIT: + err = "eglCreateWindowSurface"; + break; + case EGL_PIXMAP_BIT: + err = "eglCreatePixmapSurface"; + break; +#ifdef EGL_MESA_screen_surface + case EGL_SCREEN_BIT_MESA: + err = "eglCreateScreenSurface"; + break; +#endif + default: + err = "eglCreateUnknownSurface"; + break; + } + + gsurf = CALLOC_STRUCT(egl_g3d_surface); + if (!gsurf) { + _eglError(EGL_BAD_ALLOC, err); + return NULL; + } + + if (!_eglInitSurface(&gsurf->base, dpy, arg->type, conf, attribs)) { + free(gsurf); + return NULL; + } + + /* create the native surface */ + switch (arg->type) { + case EGL_WINDOW_BIT: + nsurf = gdpy->native->create_window_surface(gdpy->native, + arg->u.win, gconf->native); + break; + case EGL_PIXMAP_BIT: + nsurf = gdpy->native->create_pixmap_surface(gdpy->native, + arg->u.pix, gconf->native); + break; +#ifdef EGL_MESA_screen_surface + case EGL_SCREEN_BIT_MESA: + /* prefer back buffer (move to _eglInitSurface?) */ + gsurf->base.RenderBuffer = EGL_BACK_BUFFER; + nsurf = gdpy->native->modeset->create_scanout_surface(gdpy->native, + gconf->native, gsurf->base.Width, gsurf->base.Height); + break; +#endif + default: + nsurf = NULL; + break; + } + + if (!nsurf) { + free(gsurf); + return NULL; + } + /* initialize the geometry */ + if (!nsurf->validate(nsurf, 0x0, &gsurf->sequence_number, NULL, + &gsurf->base.Width, &gsurf->base.Height)) { + nsurf->destroy(nsurf); + free(gsurf); + return NULL; + } + + gsurf->stvis = gconf->stvis; + if (gsurf->base.RenderBuffer == EGL_SINGLE_BUFFER) + gsurf->stvis.render_buffer = ST_ATTACHMENT_FRONT_LEFT; + + gsurf->stfbi = egl_g3d_create_st_framebuffer(&gsurf->base); + if (!gsurf->stfbi) { + nsurf->destroy(nsurf); + free(gsurf); + return NULL; + } + + nsurf->user_data = &gsurf->base; + gsurf->native = nsurf; + + return &gsurf->base; +} + +static _EGLSurface * +egl_g3d_create_window_surface(_EGLDriver *drv, _EGLDisplay *dpy, + _EGLConfig *conf, EGLNativeWindowType win, + const EGLint *attribs) +{ + struct egl_g3d_create_surface_arg arg; + + memset(&arg, 0, sizeof(arg)); + arg.type = EGL_WINDOW_BIT; + arg.u.win = win; + + return egl_g3d_create_surface(drv, dpy, conf, &arg, attribs); +} + +static _EGLSurface * +egl_g3d_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *dpy, + _EGLConfig *conf, EGLNativePixmapType pix, + const EGLint *attribs) +{ + struct egl_g3d_create_surface_arg arg; + + memset(&arg, 0, sizeof(arg)); + arg.type = EGL_PIXMAP_BIT; + arg.u.pix = pix; + + return egl_g3d_create_surface(drv, dpy, conf, &arg, attribs); +} + +static _EGLSurface * +egl_g3d_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *dpy, + _EGLConfig *conf, const EGLint *attribs) +{ + struct egl_g3d_config *gconf = egl_g3d_config(conf); + struct egl_g3d_surface *gsurf; + + gsurf = CALLOC_STRUCT(egl_g3d_surface); + if (!gsurf) { + _eglError(EGL_BAD_ALLOC, "eglCreatePbufferSurface"); + return NULL; + } + + if (!_eglInitSurface(&gsurf->base, dpy, EGL_PBUFFER_BIT, conf, attribs)) { + free(gsurf); + return NULL; + } + + gsurf->stvis = gconf->stvis; + + gsurf->stfbi = egl_g3d_create_st_framebuffer(&gsurf->base); + if (!gsurf->stfbi) { + free(gsurf); + return NULL; + } + + return &gsurf->base; +} + +/** + * Destroy a surface. + */ +static void +destroy_surface(_EGLDisplay *dpy, _EGLSurface *surf) +{ + struct egl_g3d_surface *gsurf = egl_g3d_surface(surf); + + /* FIXME a surface might live longer than its display */ + if (!dpy->Initialized) + _eglLog(_EGL_FATAL, "destroy a surface with an unitialized display"); + + pipe_resource_reference(&gsurf->render_texture, NULL); + egl_g3d_destroy_st_framebuffer(gsurf->stfbi); + if (gsurf->native) + gsurf->native->destroy(gsurf->native); + free(gsurf); +} + +static EGLBoolean +egl_g3d_destroy_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf) +{ + if (!_eglIsSurfaceBound(surf)) + destroy_surface(dpy, surf); + return EGL_TRUE; +} + +static EGLBoolean +egl_g3d_make_current(_EGLDriver *drv, _EGLDisplay *dpy, + _EGLSurface *draw, _EGLSurface *read, _EGLContext *ctx) +{ + struct egl_g3d_context *gctx = egl_g3d_context(ctx); + struct egl_g3d_surface *gdraw = egl_g3d_surface(draw); + struct egl_g3d_surface *gread = egl_g3d_surface(read); + struct egl_g3d_context *old_gctx; + EGLBoolean ok = EGL_TRUE; + + /* bind the new context and return the "orphaned" one */ + if (!_eglBindContext(&ctx, &draw, &read)) + return EGL_FALSE; + old_gctx = egl_g3d_context(ctx); + + if (old_gctx) { + /* flush old context */ + old_gctx->stctxi->flush(old_gctx->stctxi, + PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_FRAME, NULL); + } + + if (gctx) { + ok = gctx->stapi->make_current(gctx->stapi, gctx->stctxi, + (gdraw) ? gdraw->stfbi : NULL, (gread) ? gread->stfbi : NULL); + if (ok) { + gctx->stctxi->notify_invalid_framebuffer(gctx->stctxi, gdraw->stfbi); + if (gread != gdraw) { + gctx->stctxi->notify_invalid_framebuffer(gctx->stctxi, + gread->stfbi); + } + + if (gdraw->base.Type == EGL_WINDOW_BIT) { + gctx->base.WindowRenderBuffer = + (gdraw->stvis.render_buffer == ST_ATTACHMENT_FRONT_LEFT) ? + EGL_SINGLE_BUFFER : EGL_BACK_BUFFER; + } + } + } + else if (old_gctx) { + ok = old_gctx->stapi->make_current(old_gctx->stapi, NULL, NULL, NULL); + old_gctx->base.WindowRenderBuffer = EGL_NONE; + } + + if (ctx && !_eglIsContextLinked(ctx)) + destroy_context(dpy, ctx); + if (draw && !_eglIsSurfaceLinked(draw)) + destroy_surface(dpy, draw); + if (read && read != draw && !_eglIsSurfaceLinked(read)) + destroy_surface(dpy, read); + + return ok; +} + +static EGLBoolean +egl_g3d_swap_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf) +{ + struct egl_g3d_surface *gsurf = egl_g3d_surface(surf); + _EGLContext *ctx = _eglGetCurrentContext(); + struct egl_g3d_context *gctx = NULL; + + /* no-op for pixmap or pbuffer surface */ + if (gsurf->base.Type == EGL_PIXMAP_BIT || + gsurf->base.Type == EGL_PBUFFER_BIT) + return EGL_TRUE; + + /* or when the surface is single-buffered */ + if (gsurf->stvis.render_buffer == ST_ATTACHMENT_FRONT_LEFT) + return EGL_TRUE; + + if (ctx && ctx->DrawSurface == surf) + gctx = egl_g3d_context(ctx); + + /* flush if the surface is current */ + if (gctx) { + gctx->stctxi->flush(gctx->stctxi, + PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_FRAME, NULL); + } + + return gsurf->native->swap_buffers(gsurf->native); +} + +/** + * Get the pipe surface of the given attachment of the native surface. + */ +static struct pipe_surface * +get_pipe_surface(struct native_display *ndpy, struct native_surface *nsurf, + enum native_attachment natt, + unsigned bind) +{ + struct pipe_resource *textures[NUM_NATIVE_ATTACHMENTS]; + struct pipe_surface *psurf; + + textures[natt] = NULL; + nsurf->validate(nsurf, 1 << natt, NULL, textures, NULL, NULL); + if (!textures[natt]) + return NULL; + + psurf = ndpy->screen->get_tex_surface(ndpy->screen, textures[natt], + 0, 0, 0, bind); + pipe_resource_reference(&textures[natt], NULL); + + return psurf; +} + +static EGLBoolean +egl_g3d_copy_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf, + EGLNativePixmapType target) +{ + struct egl_g3d_display *gdpy = egl_g3d_display(dpy); + struct egl_g3d_surface *gsurf = egl_g3d_surface(surf); + _EGLContext *ctx = _eglGetCurrentContext(); + struct egl_g3d_config *gconf; + struct native_surface *nsurf; + struct pipe_screen *screen = gdpy->native->screen; + struct pipe_surface *psurf; + + if (!gsurf->render_texture) + return EGL_TRUE; + + gconf = egl_g3d_config(egl_g3d_find_pixmap_config(dpy, target)); + if (!gconf) + return _eglError(EGL_BAD_NATIVE_PIXMAP, "eglCopyBuffers"); + + nsurf = gdpy->native->create_pixmap_surface(gdpy->native, + target, gconf->native); + if (!nsurf) + return _eglError(EGL_BAD_NATIVE_PIXMAP, "eglCopyBuffers"); + + /* flush if the surface is current */ + if (ctx && ctx->DrawSurface == &gsurf->base) { + struct egl_g3d_context *gctx = egl_g3d_context(ctx); + gctx->stctxi->flush(gctx->stctxi, + PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_FRAME, NULL); + } + + /* create a pipe context to copy surfaces */ + if (!gdpy->pipe) { + gdpy->pipe = + gdpy->native->screen->context_create(gdpy->native->screen, NULL); + if (!gdpy->pipe) + return EGL_FALSE; + } + + psurf = get_pipe_surface(gdpy->native, nsurf, NATIVE_ATTACHMENT_FRONT_LEFT, + PIPE_BIND_BLIT_DESTINATION); + if (psurf) { + struct pipe_surface *psrc; + + psrc = screen->get_tex_surface(screen, gsurf->render_texture, + 0, 0, 0, PIPE_BIND_BLIT_SOURCE); + if (psrc) { + gdpy->pipe->surface_copy(gdpy->pipe, psurf, 0, 0, + psrc, 0, 0, psurf->width, psurf->height); + pipe_surface_reference(&psrc, NULL); + + nsurf->flush_frontbuffer(nsurf); + } + + pipe_surface_reference(&psurf, NULL); + } + + nsurf->destroy(nsurf); + + return EGL_TRUE; +} + +static EGLBoolean +egl_g3d_wait_client(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx) +{ + struct egl_g3d_display *gdpy = egl_g3d_display(dpy); + struct egl_g3d_context *gctx = egl_g3d_context(ctx); + struct pipe_screen *screen = gdpy->native->screen; + struct pipe_fence_handle *fence = NULL; + + gctx->stctxi->flush(gctx->stctxi, + PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_FRAME, &fence); + screen->fence_finish(screen, fence, 0); + screen->fence_reference(screen, &fence, NULL); + + return EGL_TRUE; +} + +static EGLBoolean +egl_g3d_wait_native(_EGLDriver *drv, _EGLDisplay *dpy, EGLint engine) +{ + _EGLContext *ctx = _eglGetCurrentContext(); + + if (engine != EGL_CORE_NATIVE_ENGINE) + return _eglError(EGL_BAD_PARAMETER, "eglWaitNative"); + + if (ctx && ctx->DrawSurface) { + struct egl_g3d_surface *gsurf = egl_g3d_surface(ctx->DrawSurface); + + if (gsurf->native) + gsurf->native->wait(gsurf->native); + } + + return EGL_TRUE; +} + +static EGLBoolean +egl_g3d_bind_tex_image(_EGLDriver *drv, _EGLDisplay *dpy, + _EGLSurface *surf, EGLint buffer) +{ + struct egl_g3d_surface *gsurf = egl_g3d_surface(surf); + _EGLContext *es1 = _eglGetAPIContext(EGL_OPENGL_ES_API); + struct egl_g3d_context *gctx; + enum pipe_format internal_format; + enum st_texture_type target; + + if (!gsurf || gsurf->base.Type != EGL_PBUFFER_BIT) + return _eglError(EGL_BAD_SURFACE, "eglBindTexImage"); + if (buffer != EGL_BACK_BUFFER) + return _eglError(EGL_BAD_PARAMETER, "eglBindTexImage"); + if (gsurf->base.BoundToTexture) + return _eglError(EGL_BAD_ACCESS, "eglBindTexImage"); + + switch (gsurf->base.TextureFormat) { + case EGL_TEXTURE_RGB: + internal_format = PIPE_FORMAT_R8G8B8_UNORM; + break; + case EGL_TEXTURE_RGBA: + internal_format = PIPE_FORMAT_B8G8R8A8_UNORM; + break; + default: + return _eglError(EGL_BAD_MATCH, "eglBindTexImage"); + } + + switch (gsurf->base.TextureTarget) { + case EGL_TEXTURE_2D: + target = ST_TEXTURE_2D; + break; + default: + return _eglError(EGL_BAD_MATCH, "eglBindTexImage"); + } + + if (!es1) + return EGL_TRUE; + if (!gsurf->render_texture) + return EGL_FALSE; + + /* flush properly if the surface is bound */ + if (gsurf->base.CurrentContext) { + gctx = egl_g3d_context(gsurf->base.CurrentContext); + gctx->stctxi->flush(gctx->stctxi, + PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_FRAME, NULL); + } + + gctx = egl_g3d_context(es1); + if (gctx->stctxi->teximage) { + if (!gctx->stctxi->teximage(gctx->stctxi, target, + gsurf->base.MipmapLevel, internal_format, + gsurf->render_texture, gsurf->base.MipmapTexture)) + return EGL_FALSE; + gsurf->base.BoundToTexture = EGL_TRUE; + } + + return EGL_TRUE; +} + +static EGLBoolean +egl_g3d_release_tex_image(_EGLDriver *drv, _EGLDisplay *dpy, + _EGLSurface *surf, EGLint buffer) +{ + struct egl_g3d_surface *gsurf = egl_g3d_surface(surf); + + if (!gsurf || gsurf->base.Type != EGL_PBUFFER_BIT || + !gsurf->base.BoundToTexture) + return _eglError(EGL_BAD_SURFACE, "eglReleaseTexImage"); + if (buffer != EGL_BACK_BUFFER) + return _eglError(EGL_BAD_PARAMETER, "eglReleaseTexImage"); + + if (gsurf->render_texture) { + _EGLContext *ctx = _eglGetAPIContext(EGL_OPENGL_ES_API); + struct egl_g3d_context *gctx = egl_g3d_context(ctx); + + /* what if the context the surface binds to is no longer current? */ + if (gctx) { + gctx->stctxi->teximage(gctx->stctxi, ST_TEXTURE_2D, + gsurf->base.MipmapLevel, PIPE_FORMAT_NONE, NULL, FALSE); + } + } + + gsurf->base.BoundToTexture = EGL_FALSE; + + return EGL_TRUE; +} + +#ifdef EGL_MESA_screen_surface + +static _EGLSurface * +egl_g3d_create_screen_surface(_EGLDriver *drv, _EGLDisplay *dpy, + _EGLConfig *conf, const EGLint *attribs) +{ + struct egl_g3d_create_surface_arg arg; + + memset(&arg, 0, sizeof(arg)); + arg.type = EGL_SCREEN_BIT_MESA; + + return egl_g3d_create_surface(drv, dpy, conf, &arg, attribs); +} + +static EGLBoolean +egl_g3d_show_screen_surface(_EGLDriver *drv, _EGLDisplay *dpy, + _EGLScreen *scr, _EGLSurface *surf, + _EGLMode *mode) +{ + struct egl_g3d_display *gdpy = egl_g3d_display(dpy); + struct egl_g3d_screen *gscr = egl_g3d_screen(scr); + struct egl_g3d_surface *gsurf = egl_g3d_surface(surf); + struct native_surface *nsurf; + const struct native_mode *nmode; + EGLBoolean changed; + + if (gsurf) { + EGLint idx; + + if (!mode) + return _eglError(EGL_BAD_MATCH, "eglShowSurfaceMESA"); + if (gsurf->base.Type != EGL_SCREEN_BIT_MESA) + return _eglError(EGL_BAD_SURFACE, "eglShowScreenSurfaceMESA"); + if (gsurf->base.Width < mode->Width || gsurf->base.Height < mode->Height) + return _eglError(EGL_BAD_MATCH, + "eglShowSurfaceMESA(surface smaller than mode size)"); + + /* find the index of the mode */ + for (idx = 0; idx < gscr->base.NumModes; idx++) + if (mode == &gscr->base.Modes[idx]) + break; + if (idx >= gscr->base.NumModes) { + return _eglError(EGL_BAD_MODE_MESA, + "eglShowSurfaceMESA(unknown mode)"); + } + + nsurf = gsurf->native; + nmode = gscr->native_modes[idx]; + } + else { + if (mode) + return _eglError(EGL_BAD_MATCH, "eglShowSurfaceMESA"); + + /* disable the screen */ + nsurf = NULL; + nmode = NULL; + } + + /* TODO surface panning by CRTC choosing */ + changed = gdpy->native->modeset->program(gdpy->native, 0, nsurf, + gscr->base.OriginX, gscr->base.OriginY, &gscr->native, 1, nmode); + if (changed) { + gscr->base.CurrentSurface = &gsurf->base; + gscr->base.CurrentMode = mode; + } + + return changed; +} + +#endif /* EGL_MESA_screen_surface */ + +/** + * Find a config that supports the pixmap. + */ +_EGLConfig * +egl_g3d_find_pixmap_config(_EGLDisplay *dpy, EGLNativePixmapType pix) +{ + struct egl_g3d_display *gdpy = egl_g3d_display(dpy); + struct egl_g3d_config *gconf; + EGLint i; + + for (i = 0; i < dpy->NumConfigs; i++) { + gconf = egl_g3d_config(dpy->Configs[i]); + if (gdpy->native->is_pixmap_supported(gdpy->native, pix, gconf->native)) + break; + } + + return (i < dpy->NumConfigs) ? &gconf->base : NULL; +} + +void +egl_g3d_init_driver_api(_EGLDriver *drv) +{ + _eglInitDriverFallbacks(drv); + + drv->API.CreateContext = egl_g3d_create_context; + drv->API.DestroyContext = egl_g3d_destroy_context; + drv->API.CreateWindowSurface = egl_g3d_create_window_surface; + drv->API.CreatePixmapSurface = egl_g3d_create_pixmap_surface; + drv->API.CreatePbufferSurface = egl_g3d_create_pbuffer_surface; + drv->API.DestroySurface = egl_g3d_destroy_surface; + drv->API.MakeCurrent = egl_g3d_make_current; + drv->API.SwapBuffers = egl_g3d_swap_buffers; + drv->API.CopyBuffers = egl_g3d_copy_buffers; + drv->API.WaitClient = egl_g3d_wait_client; + drv->API.WaitNative = egl_g3d_wait_native; + + drv->API.BindTexImage = egl_g3d_bind_tex_image; + drv->API.ReleaseTexImage = egl_g3d_release_tex_image; + + drv->API.CreateImageKHR = egl_g3d_create_image; + drv->API.DestroyImageKHR = egl_g3d_destroy_image; + +#ifdef EGL_MESA_screen_surface + drv->API.CreateScreenSurfaceMESA = egl_g3d_create_screen_surface; + drv->API.ShowScreenSurfaceMESA = egl_g3d_show_screen_surface; +#endif +} |