+++ /dev/null
-/*
- * Mesa 3-D graphics library
- *
- * 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 "util/u_box.h"
-
-#include "egl_g3d.h"
-#include "egl_g3d_api.h"
-#include "egl_g3d_image.h"
-#include "egl_g3d_sync.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,
- enum st_profile_type *profile)
-{
- struct st_api *stapi;
- EGLint api = -1;
-
- *profile = ST_PROFILE_DEFAULT;
-
- switch (ctx->ClientAPI) {
- case EGL_OPENGL_ES_API:
- switch (ctx->ClientMajorVersion) {
- case 1:
- api = ST_API_OPENGL;
- *profile = ST_PROFILE_OPENGL_ES1;
- break;
- case 2:
- api = ST_API_OPENGL;
- *profile = ST_PROFILE_OPENGL_ES2;
- break;
- default:
- _eglLog(_EGL_WARNING, "unknown client major version %d",
- ctx->ClientMajorVersion);
- break;
- }
- break;
- case EGL_OPENVG_API:
- api = ST_API_OPENVG;
- break;
- case EGL_OPENGL_API:
- api = ST_API_OPENGL;
- break;
- default:
- _eglLog(_EGL_WARNING, "unknown client API 0x%04x", ctx->ClientAPI);
- break;
- }
-
- stapi = egl_g3d_get_st_api(drv, api);
- if (stapi && !(stapi->profile_mask & (1 << *profile)))
- stapi = NULL;
-
- return stapi;
-}
-
-struct egl_g3d_choose_config_data {
- _EGLConfig criteria;
- enum pipe_format format;
-};
-
-static int
-egl_g3d_compare_config(const _EGLConfig *conf1, const _EGLConfig *conf2,
- void *priv_data)
-{
- struct egl_g3d_choose_config_data *data =
- (struct egl_g3d_choose_config_data *) priv_data;
- const _EGLConfig *criteria = &data->criteria;;
-
- /* EGL_NATIVE_VISUAL_TYPE ignored? */
- return _eglCompareConfigs(conf1, conf2, criteria, EGL_TRUE);
-}
-
-static EGLBoolean
-egl_g3d_match_config(const _EGLConfig *conf, void *priv_data)
-{
- struct egl_g3d_choose_config_data *data =
- (struct egl_g3d_choose_config_data *) priv_data;
- struct egl_g3d_config *gconf = egl_g3d_config(conf);
-
- if (data->format != PIPE_FORMAT_NONE &&
- data->format != gconf->native->color_format)
- return EGL_FALSE;
-
- return _eglMatchConfig(conf, &data->criteria);
-}
-
-static EGLBoolean
-egl_g3d_choose_config(_EGLDriver *drv, _EGLDisplay *dpy, const EGLint *attribs,
- EGLConfig *configs, EGLint size, EGLint *num_configs)
-{
- struct egl_g3d_choose_config_data data;
-
- if (!_eglParseConfigAttribList(&data.criteria, dpy, attribs))
- return _eglError(EGL_BAD_ATTRIBUTE, "eglChooseConfig");
-
- data.format = PIPE_FORMAT_NONE;
- if (data.criteria.MatchNativePixmap != EGL_NONE &&
- data.criteria.MatchNativePixmap != EGL_DONT_CARE) {
- struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
-
- if (!gdpy->native->get_pixmap_format(gdpy->native,
- (EGLNativePixmapType) data.criteria.MatchNativePixmap,
- &data.format))
- return _eglError(EGL_BAD_NATIVE_PIXMAP, "eglChooseConfig");
- }
-
- return _eglFilterConfigArray(dpy->Configs, configs, size, num_configs,
- egl_g3d_match_config, egl_g3d_compare_config, &data);
-}
-
-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;
- struct st_context_attribs stattribs;
- enum st_context_error ctx_err = 0;
-
- 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;
- }
-
- memset(&stattribs, 0, sizeof(stattribs));
- if (gconf)
- stattribs.visual = gconf->stvis;
-
- gctx->stapi = egl_g3d_choose_st(drv, &gctx->base, &stattribs.profile);
- if (!gctx->stapi) {
- FREE(gctx);
- return NULL;
- }
-
- gctx->stctxi = gctx->stapi->create_context(gctx->stapi, gdpy->smapi,
- &stattribs, &ctx_err, (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 (_eglPutContext(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 &&
- gconf->stvis.buffer_mask & ST_ATTACHMENT_FRONT_LEFT_MASK)
- gsurf->stvis.render_buffer = ST_ATTACHMENT_FRONT_LEFT;
-
- /* surfaces can always be posted when the display supports it */
- if (dpy->Extensions.NV_post_sub_buffer)
- gsurf->base.PostSubBufferSupportedNV = EGL_TRUE;
-
- 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, void *native_window,
- const EGLint *attribs)
-{
- EGLNativeWindowType win;
- struct egl_g3d_create_surface_arg arg;
-
- STATIC_ASSERT(sizeof(EGLNativeWindowType) == sizeof(native_window));
- win = (EGLNativeWindowType) native_window;
-
- 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, void *native_pixmap,
- const EGLint *attribs)
-{
- EGLNativePixmapType pix;
- struct egl_g3d_create_surface_arg arg;
-
- STATIC_ASSERT(sizeof(EGLNativePixmapType) == sizeof(native_pixmap));
- pix = (EGLNativePixmapType) native_pixmap;
-
- 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 struct egl_g3d_surface *
-create_pbuffer_surface(_EGLDisplay *dpy, _EGLConfig *conf,
- const EGLint *attribs, const char *func)
-{
- 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, func);
- 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;
-}
-
-static _EGLSurface *
-egl_g3d_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *dpy,
- _EGLConfig *conf, const EGLint *attribs)
-{
- struct egl_g3d_surface *gsurf;
-
- gsurf = create_pbuffer_surface(dpy, conf, attribs,
- "eglCreatePbufferSurface");
- if (!gsurf)
- return NULL;
-
- gsurf->client_buffer_type = EGL_NONE;
-
- return &gsurf->base;
-}
-
-static _EGLSurface *
-egl_g3d_create_pbuffer_from_client_buffer(_EGLDriver *drv, _EGLDisplay *dpy,
- EGLenum buftype,
- EGLClientBuffer buffer,
- _EGLConfig *conf,
- const EGLint *attribs)
-{
- struct egl_g3d_surface *gsurf;
- struct pipe_resource *ptex = NULL;
- EGLint pbuffer_attribs[32];
- EGLint count, i;
-
- switch (buftype) {
- case EGL_OPENVG_IMAGE:
- break;
- default:
- _eglError(EGL_BAD_PARAMETER, "eglCreatePbufferFromClientBuffer");
- return NULL;
- break;
- }
-
- /* parse the attributes first */
- count = 0;
- for (i = 0; attribs && attribs[i] != EGL_NONE; i++) {
- EGLint attr = attribs[i++];
- EGLint val = attribs[i];
- EGLint err = EGL_SUCCESS;
-
- switch (attr) {
- case EGL_TEXTURE_FORMAT:
- case EGL_TEXTURE_TARGET:
- case EGL_MIPMAP_TEXTURE:
- pbuffer_attribs[count++] = attr;
- pbuffer_attribs[count++] = val;
- break;
- default:
- err = EGL_BAD_ATTRIBUTE;
- break;
- }
- /* bail out */
- if (err != EGL_SUCCESS) {
- _eglError(err, "eglCreatePbufferFromClientBuffer");
- return NULL;
- }
- }
-
- pbuffer_attribs[count++] = EGL_NONE;
-
- gsurf = create_pbuffer_surface(dpy, conf, pbuffer_attribs,
- "eglCreatePbufferFromClientBuffer");
- if (!gsurf)
- return NULL;
-
- gsurf->client_buffer_type = buftype;
- gsurf->client_buffer = buffer;
-
- /* validate now so that it fails if the client buffer is invalid */
- if (!gsurf->stfbi->validate(NULL, gsurf->stfbi,
- &gsurf->stvis.render_buffer, 1, &ptex)) {
- egl_g3d_destroy_st_framebuffer(gsurf->stfbi);
- FREE(gsurf);
- return NULL;
- }
- pipe_resource_reference(&ptex, 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 (_eglPutSurface(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;
- _EGLContext *old_ctx;
- _EGLSurface *old_draw, *old_read;
- EGLBoolean ok = EGL_TRUE;
-
- /* make new bindings */
- if (!_eglBindContext(ctx, draw, read, &old_ctx, &old_draw, &old_read))
- return EGL_FALSE;
-
- old_gctx = egl_g3d_context(old_ctx);
- if (old_gctx) {
- /* flush old context */
- old_gctx->stctxi->flush(old_gctx->stctxi, ST_FLUSH_FRONT, NULL);
- }
-
- if (gctx) {
- ok = gctx->stapi->make_current(gctx->stapi, gctx->stctxi,
- (gdraw) ? gdraw->stfbi : NULL, (gread) ? gread->stfbi : NULL);
- if (ok) {
- if (gdraw) {
- 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);
- if (ok)
- old_gctx->base.WindowRenderBuffer = EGL_NONE;
- }
-
- if (ok) {
- if (_eglPutContext(old_ctx))
- destroy_context(dpy, old_ctx);
- if (_eglPutSurface(old_draw))
- destroy_surface(dpy, old_draw);
- if (_eglPutSurface(old_read))
- destroy_surface(dpy, old_read);
- }
- else {
- /* undo the previous _eglBindContext */
- _eglBindContext(old_ctx, old_draw, old_read, &ctx, &draw, &read);
- assert(&gctx->base == ctx &&
- &gdraw->base == draw &&
- &gread->base == read);
-
- _eglPutSurface(draw);
- _eglPutSurface(read);
- _eglPutContext(ctx);
-
- _eglPutSurface(old_draw);
- _eglPutSurface(old_read);
- _eglPutContext(old_ctx);
- }
-
- return ok;
-}
-
-static EGLBoolean
-swap_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
- EGLint num_rects, const EGLint *rects, EGLBoolean preserve)
-{
- struct egl_g3d_surface *gsurf = egl_g3d_surface(surf);
- _EGLContext *ctx = _eglGetCurrentContext();
- struct egl_g3d_context *gctx = NULL;
- struct native_present_control ctrl;
-
- /* 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, ST_FLUSH_FRONT, NULL);
- }
-
- memset(&ctrl, 0, sizeof(ctrl));
- ctrl.natt = NATIVE_ATTACHMENT_BACK_LEFT;
- ctrl.preserve = preserve;
- ctrl.swap_interval = gsurf->base.SwapInterval;
- ctrl.premultiplied_alpha = (gsurf->base.VGAlphaFormat == EGL_VG_ALPHA_FORMAT_PRE);
- ctrl.num_rects = num_rects;
- ctrl.rects = rects;
-
- return gsurf->native->present(gsurf->native, &ctrl);
-}
-
-static EGLBoolean
-egl_g3d_swap_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
-{
- struct egl_g3d_surface *gsurf = egl_g3d_surface(surf);
-
- return swap_buffers(drv, dpy, surf, 0, NULL,
- (gsurf->base.SwapBehavior == EGL_BUFFER_PRESERVED));
-}
-
-#ifdef EGL_NOK_swap_region
-static EGLBoolean
-egl_g3d_swap_buffers_region(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
- EGLint num_rects, const EGLint *rects)
-{
- /* Note: y=0=top */
- return swap_buffers(drv, dpy, surf, num_rects, rects, EGL_TRUE);
-}
-#endif /* EGL_NOK_swap_region */
-
-static EGLBoolean
-egl_g3d_post_sub_buffer(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
- EGLint x, EGLint y, EGLint width, EGLint height)
-{
- EGLint rect[4];
-
- if (x < 0 || y < 0 || width < 0 || height < 0)
- return _eglError(EGL_BAD_PARAMETER, "eglPostSubBufferNV");
-
- /* clamp */
- if (x + width > surf->Width)
- width = surf->Width - x;
- if (y + height > surf->Height)
- height = surf->Height - y;
-
- if (width <= 0 || height <= 0)
- return EGL_TRUE;
-
- rect[0] = x;
- /* Note: y=0=bottom */
- rect[1] = surf->Height - y - height;
- rect[2] = width;
- rect[3] = height;
-
- return swap_buffers(drv, dpy, surf, 1, rect, EGL_TRUE);
-}
-
-static EGLBoolean
-egl_g3d_copy_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf,
- void *native_pixmap_target)
-{
- struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
- struct egl_g3d_surface *gsurf = egl_g3d_surface(surf);
- _EGLContext *ctx = _eglGetCurrentContext();
- EGLNativePixmapType target;
-
- STATIC_ASSERT(sizeof(EGLNativePixmapType) == sizeof(native_pixmap_target));
- target = (EGLNativePixmapType) native_pixmap_target;
-
- if (!gsurf->render_texture)
- return EGL_TRUE;
-
- /* 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, ST_FLUSH_FRONT, NULL);
- }
-
- return gdpy->native->copy_to_pixmap(gdpy->native,
- target, gsurf->render_texture);
-}
-
-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, ST_FLUSH_FRONT, &fence);
- if (fence) {
- screen->fence_finish(screen, fence, PIPE_TIMEOUT_INFINITE);
- 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, ST_FLUSH_FRONT, 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 */
-
-#ifdef EGL_WL_bind_wayland_display
-
-static EGLBoolean
-egl_g3d_bind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *dpy,
- struct wl_display *wl_dpy)
-{
- struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
-
- if (!gdpy->native->wayland_bufmgr)
- return EGL_FALSE;
-
- return gdpy->native->wayland_bufmgr->bind_display(gdpy->native, wl_dpy);
-}
-
-static EGLBoolean
-egl_g3d_unbind_wayland_display_wl(_EGLDriver *drv, _EGLDisplay *dpy,
- struct wl_display *wl_dpy)
-{
- struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
-
- if (!gdpy->native->wayland_bufmgr)
- return EGL_FALSE;
-
- return gdpy->native->wayland_bufmgr->unbind_display(gdpy->native, wl_dpy);
-}
-
-static EGLBoolean
-egl_g3d_query_wayland_buffer_wl(_EGLDriver *drv, _EGLDisplay *dpy,
- struct wl_resource *buffer,
- EGLint attribute, EGLint *value)
-{
- struct egl_g3d_display *gdpy = egl_g3d_display(dpy);
-
- if (!gdpy->native->wayland_bufmgr)
- return EGL_FALSE;
-
- return gdpy->native->wayland_bufmgr->query_buffer(gdpy->native,
- buffer, attribute, value);
-}
-#endif /* EGL_WL_bind_wayland_display */
-
-void
-egl_g3d_init_driver_api(_EGLDriver *drv)
-{
- _eglInitDriverFallbacks(drv);
-
- drv->API.ChooseConfig = egl_g3d_choose_config;
-
- 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.CreatePbufferFromClientBuffer = egl_g3d_create_pbuffer_from_client_buffer;
- 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_drm_image
- drv->API.CreateDRMImageMESA = egl_g3d_create_drm_image;
- drv->API.ExportDRMImageMESA = egl_g3d_export_drm_image;
-#endif
-#ifdef EGL_WL_bind_wayland_display
- drv->API.BindWaylandDisplayWL = egl_g3d_bind_wayland_display_wl;
- drv->API.UnbindWaylandDisplayWL = egl_g3d_unbind_wayland_display_wl;
- drv->API.QueryWaylandBufferWL = egl_g3d_query_wayland_buffer_wl;
-#endif
-
- drv->API.CreateSyncKHR = egl_g3d_create_sync;
- drv->API.DestroySyncKHR = egl_g3d_destroy_sync;
- drv->API.ClientWaitSyncKHR = egl_g3d_client_wait_sync;
- drv->API.SignalSyncKHR = egl_g3d_signal_sync;
-
-#ifdef EGL_MESA_screen_surface
- drv->API.CreateScreenSurfaceMESA = egl_g3d_create_screen_surface;
- drv->API.ShowScreenSurfaceMESA = egl_g3d_show_screen_surface;
-#endif
-
-#ifdef EGL_NOK_swap_region
- drv->API.SwapBuffersRegionNOK = egl_g3d_swap_buffers_region;
-#endif
-
- drv->API.PostSubBufferNV = egl_g3d_post_sub_buffer;
-}