diff options
author | Chia-I Wu <olvaffe@gmail.com> | 2010-01-22 16:31:43 +0800 |
---|---|---|
committer | Chia-I Wu <olvaffe@gmail.com> | 2010-01-22 16:45:28 +0800 |
commit | 3c967a920718c2a74996ac23b8c1964915db88c2 (patch) | |
tree | c0dc48858a5abaa75cc7bb68682a7ef3e1136593 /src/gallium/state_trackers/egl_g3d/common/egl_g3d.c | |
parent | 3a4b7d3071c7377d8fbe37a0a2f486b919ff53cb (diff) |
st/egl_g3d: Rename to st/egl.
Simply the name to egl.
Diffstat (limited to 'src/gallium/state_trackers/egl_g3d/common/egl_g3d.c')
-rw-r--r-- | src/gallium/state_trackers/egl_g3d/common/egl_g3d.c | 1336 |
1 files changed, 0 insertions, 1336 deletions
diff --git a/src/gallium/state_trackers/egl_g3d/common/egl_g3d.c b/src/gallium/state_trackers/egl_g3d/common/egl_g3d.c deleted file mode 100644 index 2ac6215646..0000000000 --- a/src/gallium/state_trackers/egl_g3d/common/egl_g3d.c +++ /dev/null @@ -1,1336 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 7.8 - * - * 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 - * BRIAN PAUL 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 <assert.h> -#include <string.h> -#include "pipe/p_screen.h" -#include "util/u_memory.h" -#include "util/u_rect.h" -#include "egldriver.h" -#include "eglcurrent.h" -#include "eglconfigutil.h" -#include "egllog.h" - -#include "native.h" -#include "egl_g3d.h" -#include "egl_st.h" - -/** - * Validate the draw/read surfaces of the context. - */ -static void -egl_g3d_validate_context(_EGLDisplay *dpy, _EGLContext *ctx) -{ - struct egl_g3d_display *gdpy = egl_g3d_display(dpy); - struct pipe_screen *screen = gdpy->native->screen; - struct egl_g3d_context *gctx = egl_g3d_context(ctx); - const uint st_att_map[NUM_NATIVE_ATTACHMENTS] = { - ST_SURFACE_FRONT_LEFT, - ST_SURFACE_BACK_LEFT, - ST_SURFACE_FRONT_RIGHT, - ST_SURFACE_BACK_RIGHT, - }; - EGLint num_surfaces, s; - - /* validate draw and/or read buffers */ - num_surfaces = (gctx->base.ReadSurface == gctx->base.DrawSurface) ? 1 : 2; - for (s = 0; s < num_surfaces; s++) { - struct pipe_texture *textures[NUM_NATIVE_ATTACHMENTS]; - struct egl_g3d_surface *gsurf; - struct egl_g3d_buffer *gbuf; - EGLint att; - - if (s == 0) { - gsurf = egl_g3d_surface(gctx->base.DrawSurface); - gbuf = &gctx->draw; - } - else { - gsurf = egl_g3d_surface(gctx->base.ReadSurface); - gbuf = &gctx->read; - } - - if (!gctx->force_validate) { - unsigned int seq_num; - - gsurf->native->validate(gsurf->native, gbuf->attachment_mask, - &seq_num, NULL, NULL, NULL); - /* skip validation */ - if (gsurf->sequence_number == seq_num) - continue; - } - - pipe_surface_reference(&gsurf->render_surface, NULL); - memset(textures, 0, sizeof(textures)); - - gsurf->native->validate(gsurf->native, gbuf->attachment_mask, - &gsurf->sequence_number, textures, - &gsurf->base.Width, &gsurf->base.Height); - for (att = 0; att < NUM_NATIVE_ATTACHMENTS; att++) { - struct pipe_texture *pt = textures[att]; - struct pipe_surface *ps; - - if (native_attachment_mask_test(gbuf->attachment_mask, att) && pt) { - ps = screen->get_tex_surface(screen, pt, 0, 0, 0, - PIPE_BUFFER_USAGE_GPU_READ | - PIPE_BUFFER_USAGE_GPU_WRITE); - gctx->stapi->st_set_framebuffer_surface(gbuf->st_fb, - st_att_map[att], ps); - - if (gsurf->render_att == att) - pipe_surface_reference(&gsurf->render_surface, ps); - - pipe_surface_reference(&ps, NULL); - pipe_texture_reference(&pt, NULL); - } - } - - gctx->stapi->st_resize_framebuffer(gbuf->st_fb, - gsurf->base.Width, gsurf->base.Height); - } - - gctx->force_validate = EGL_FALSE; - -} - -/** - * Create a st_framebuffer. - */ -static struct st_framebuffer * -create_framebuffer(_EGLContext *ctx, _EGLSurface *surf) -{ - struct egl_g3d_context *gctx = egl_g3d_context(ctx); - struct egl_g3d_surface *gsurf = egl_g3d_surface(surf); - struct egl_g3d_config *gconf = egl_g3d_config(gsurf->base.Config); - - return gctx->stapi->st_create_framebuffer(&gconf->native->mode, - gconf->native->color_format, gconf->native->depth_format, - gconf->native->stencil_format, - gsurf->base.Width, gsurf->base.Height, &gsurf->base); -} - -/** - * Update the attachments of draw/read surfaces. - */ -static void -egl_g3d_route_context(_EGLDisplay *dpy, _EGLContext *ctx) -{ - struct egl_g3d_context *gctx = egl_g3d_context(ctx); - EGLint s; - - /* route draw and read buffers' attachments */ - for (s = 0; s < 2; s++) { - struct egl_g3d_surface *gsurf; - struct egl_g3d_buffer *gbuf; - - if (s == 0) { - gsurf = egl_g3d_surface(gctx->base.DrawSurface); - gbuf = &gctx->draw; - } - else { - gsurf = egl_g3d_surface(gctx->base.ReadSurface); - gbuf = &gctx->read; - } - - gbuf->attachment_mask = (1 << gsurf->render_att); - - /* FIXME OpenGL defaults to draw the front or back buffer when the - * context is single-buffered or double-buffered respectively. In EGL, - * however, the buffer to be drawn is determined by the surface, instead - * of the context. As a result, rendering to a pixmap surface with a - * double-buffered context does not work as expected. - * - * gctx->stapi->st_draw_front_buffer(gctx->st_ctx, natt == - * NATIVE_ATTACHMENT_FRONT_LEFT); - */ - - /* - * FIXME If the back buffer is asked for here, and the front buffer is - * later needed by the client API (e.g. glDrawBuffer is called to draw - * the front buffer), it will create a new pipe texture and draw there. - * One fix is to ask for both buffers here, but it would be a waste if - * the front buffer is never used. A better fix is to add a callback to - * the pipe screen with context private (just like flush_frontbuffer). - */ - } -} - -/** - * Reallocate the context's framebuffers after draw/read surfaces change. - */ -static EGLBoolean -egl_g3d_realloc_context(_EGLDisplay *dpy, _EGLContext *ctx) -{ - struct egl_g3d_context *gctx = egl_g3d_context(ctx); - struct egl_g3d_surface *gdraw = egl_g3d_surface(gctx->base.DrawSurface); - struct egl_g3d_surface *gread = egl_g3d_surface(gctx->base.ReadSurface); - - /* unreference the old framebuffers */ - if (gctx->draw.st_fb) { - EGLBoolean is_equal = (gctx->draw.st_fb == gctx->read.st_fb); - void *priv; - - priv = gctx->stapi->st_framebuffer_private(gctx->draw.st_fb); - if (!gdraw || priv != (void *) &gdraw->base) { - gctx->stapi->st_unreference_framebuffer(gctx->draw.st_fb); - gctx->draw.st_fb = NULL; - gctx->draw.attachment_mask = 0x0; - } - - if (is_equal) { - gctx->read.st_fb = NULL; - gctx->draw.attachment_mask = 0x0; - } - else { - priv = gctx->stapi->st_framebuffer_private(gctx->read.st_fb); - if (!gread || priv != (void *) &gread->base) { - gctx->stapi->st_unreference_framebuffer(gctx->read.st_fb); - gctx->read.st_fb = NULL; - gctx->draw.attachment_mask = 0x0; - } - } - } - - if (!gdraw) - return EGL_TRUE; - - /* create the draw fb */ - if (!gctx->draw.st_fb) { - gctx->draw.st_fb = create_framebuffer(&gctx->base, &gdraw->base); - if (!gctx->draw.st_fb) - return EGL_FALSE; - } - - /* create the read fb */ - if (!gctx->read.st_fb) { - if (gread != gdraw) { - gctx->read.st_fb = create_framebuffer(&gctx->base, &gread->base); - if (!gctx->read.st_fb) { - gctx->stapi->st_unreference_framebuffer(gctx->draw.st_fb); - gctx->draw.st_fb = NULL; - return EGL_FALSE; - } - } - else { - /* there is no st_reference_framebuffer... */ - gctx->read.st_fb = gctx->draw.st_fb; - } - } - - egl_g3d_route_context(dpy, &gctx->base); - gctx->force_validate = EGL_TRUE; - - return EGL_TRUE; -} - -/** - * Return the current context of the given API. - */ -static struct egl_g3d_context * -egl_g3d_get_current_context(EGLint api) -{ - _EGLThreadInfo *t = _eglGetCurrentThread(); - EGLint api_index = _eglConvertApiToIndex(api); - return egl_g3d_context(t->CurrentContexts[api_index]); -} - -/** - * Return the state tracker for the given context. - */ -static const struct egl_g3d_st * -egl_g3d_choose_st(_EGLDriver *drv, _EGLContext *ctx) -{ - struct egl_g3d_driver *gdrv = egl_g3d_driver(drv); - const struct egl_g3d_st *stapi; - EGLint idx = -1; - - switch (ctx->ClientAPI) { - case EGL_OPENGL_ES_API: - switch (ctx->ClientVersion) { - case 1: - idx = EGL_G3D_ST_OPENGL_ES; - break; - case 2: - idx = EGL_G3D_ST_OPENGL_ES2; - break; - default: - _eglLog(_EGL_WARNING, "unknown client version %d", - ctx->ClientVersion); - break; - } - break; - case EGL_OPENVG_API: - idx = EGL_G3D_ST_OPENVG; - break; - case EGL_OPENGL_API: - idx = EGL_G3D_ST_OPENGL; - break; - default: - _eglLog(_EGL_WARNING, "unknown client API 0x%04x", ctx->ClientAPI); - break; - } - - stapi = (idx >= 0) ? gdrv->stapis[idx] : NULL; - return stapi; -} - -/** - * Initialize the state trackers. - */ -static void -egl_g3d_init_st(_EGLDriver *drv) -{ - struct egl_g3d_driver *gdrv = egl_g3d_driver(drv); - EGLint i; - - /* already initialized */ - if (gdrv->api_mask) - return; - - for (i = 0; i < NUM_EGL_G3D_STS; i++) { - gdrv->stapis[i] = egl_g3d_get_st(i); - if (gdrv->stapis[i]) - gdrv->api_mask |= gdrv->stapis[i]->api_bit; - } - - if (gdrv->api_mask) - _eglLog(_EGL_DEBUG, "Driver API mask: 0x%x", gdrv->api_mask); - else - _eglLog(_EGL_WARNING, "No supported client API"); -} - -/** - * Get the probe object of the display. - * - * Note that this function may be called before the display is initialized. - */ -static struct native_probe * -egl_g3d_get_probe(_EGLDriver *drv, _EGLDisplay *dpy) -{ - struct egl_g3d_driver *gdrv = egl_g3d_driver(drv); - struct native_probe *nprobe; - - nprobe = (struct native_probe *) _eglGetProbeCache(gdrv->probe_key); - if (!nprobe || nprobe->display != dpy->NativeDisplay) { - if (nprobe) - nprobe->destroy(nprobe); - nprobe = native_create_probe(dpy->NativeDisplay); - _eglSetProbeCache(gdrv->probe_key, (void *) nprobe); - } - - return nprobe; -} - -/** - * Destroy the probe object of the display. The display may be NULL. - * - * Note that this function may be called before the display is initialized. - */ -static void -egl_g3d_destroy_probe(_EGLDriver *drv, _EGLDisplay *dpy) -{ - struct egl_g3d_driver *gdrv = egl_g3d_driver(drv); - struct native_probe *nprobe; - - nprobe = (struct native_probe *) _eglGetProbeCache(gdrv->probe_key); - if (nprobe && (!dpy || nprobe->display == dpy->NativeDisplay)) { - nprobe->destroy(nprobe); - _eglSetProbeCache(gdrv->probe_key, NULL); - } -} - -/** - * Return an API mask that consists of the state trackers that supports the - * given mode. - * - * FIXME add st_is_mode_supported()? - */ -static EGLint -get_mode_api_mask(const __GLcontextModes *mode, EGLint api_mask) -{ - EGLint check; - - /* OpenGL ES 1.x and 2.x are checked together */ - check = EGL_OPENGL_ES_BIT | EGL_OPENGL_ES2_BIT; - if (api_mask & check) { - /* this is required by EGL, not by OpenGL ES */ - if (mode->drawableType & GLX_WINDOW_BIT && !mode->doubleBufferMode) - api_mask &= ~check; - } - - check = EGL_OPENVG_BIT; - if (api_mask & check) { - /* vega st needs the depth/stencil rb */ - if (!mode->depthBits && !mode->stencilBits) - api_mask &= ~check; - } - - return api_mask; -} - -#ifdef EGL_MESA_screen_surface - -static void -egl_g3d_add_screens(_EGLDriver *drv, _EGLDisplay *dpy) -{ - struct egl_g3d_display *gdpy = egl_g3d_display(dpy); - const struct native_connector **native_connectors; - EGLint num_connectors, i; - - native_connectors = - gdpy->native->modeset->get_connectors(gdpy->native, &num_connectors, NULL); - if (!num_connectors) { - if (native_connectors) - free(native_connectors); - return; - } - - for (i = 0; i < num_connectors; i++) { - const struct native_connector *nconn = native_connectors[i]; - struct egl_g3d_screen *gscr; - const struct native_mode **native_modes; - EGLint num_modes, j; - - /* TODO support for hotplug */ - native_modes = - gdpy->native->modeset->get_modes(gdpy->native, nconn, &num_modes); - if (!num_modes) { - if (native_modes) - free(native_modes); - continue; - } - - gscr = CALLOC_STRUCT(egl_g3d_screen); - if (!gscr) { - free(native_modes); - continue; - } - - _eglInitScreen(&gscr->base); - - for (j = 0; j < num_modes; j++) { - const struct native_mode *nmode = native_modes[j]; - _EGLMode *mode; - - mode = _eglAddNewMode(&gscr->base, nmode->width, nmode->height, - nmode->refresh_rate, nmode->desc); - if (!mode) - break; - /* gscr->native_modes and gscr->base.Modes should be consistent */ - assert(mode == &gscr->base.Modes[j]); - } - - gscr->native = nconn; - gscr->native_modes = native_modes; - - _eglAddScreen(dpy, &gscr->base); - } - - free(native_connectors); -} - -#endif /* EGL_MESA_screen_surface */ - -/** - * Add configs to display and return the next config ID. - */ -static EGLint -egl_g3d_add_configs(_EGLDriver *drv, _EGLDisplay *dpy, EGLint id) -{ - struct egl_g3d_driver *gdrv = egl_g3d_driver(drv); - struct egl_g3d_display *gdpy = egl_g3d_display(dpy); - const struct native_config **native_configs; - int num_configs, i; - - native_configs = gdpy->native->get_configs(gdpy->native, - &num_configs); - if (!num_configs) { - if (native_configs) - free(native_configs); - return id; - } - - for (i = 0; i < num_configs; i++) { - EGLint api_mask; - struct egl_g3d_config *gconf; - EGLBoolean valid; - - api_mask = get_mode_api_mask(&native_configs[i]->mode, gdrv->api_mask); - if (!api_mask) { - _eglLog(_EGL_DEBUG, "no state tracker supports config 0x%x", - native_configs[i]->mode.visualID); - continue; - } - - gconf = CALLOC_STRUCT(egl_g3d_config); - if (!gconf) - continue; - - _eglInitConfig(&gconf->base, id); - valid = _eglConfigFromContextModesRec(&gconf->base, - &native_configs[i]->mode, api_mask, api_mask); - if (valid) { -#ifdef EGL_MESA_screen_surface - /* check if scanout surface bit is set */ - if (native_configs[i]->scanout_bit) { - EGLint val = GET_CONFIG_ATTRIB(&gconf->base, EGL_SURFACE_TYPE); - val |= EGL_SCREEN_BIT_MESA; - SET_CONFIG_ATTRIB(&gconf->base, EGL_SURFACE_TYPE, val); - } -#endif - valid = _eglValidateConfig(&gconf->base, EGL_FALSE); - } - if (!valid) { - _eglLog(_EGL_DEBUG, "skip invalid config 0x%x", - native_configs[i]->mode.visualID); - free(gconf); - continue; - } - - gconf->native = native_configs[i]; - _eglAddConfig(dpy, &gconf->base); - id++; - } - - free(native_configs); - return id; -} - -/** - * Flush the front buffer of the context's draw surface. - */ -static void -egl_g3d_flush_frontbuffer(struct pipe_screen *screen, - struct pipe_surface *surf, void *context_private) -{ - struct egl_g3d_context *gctx = egl_g3d_context(context_private); - struct egl_g3d_surface *gsurf = egl_g3d_surface(gctx->base.DrawSurface); - - if (gsurf) - gsurf->native->flush_frontbuffer(gsurf->native); -} - -/** - * Re-validate the context. - */ -static void -egl_g3d_update_buffer(struct pipe_screen *screen, void *context_private) -{ - struct egl_g3d_context *gctx = egl_g3d_context(context_private); - - /** - * It is likely that the surface has changed when this function is called. - * Set force_validate to skip an unnecessary check. - */ - gctx->force_validate = EGL_TRUE; - egl_g3d_validate_context(gctx->base.Display, &gctx->base); -} - -static EGLBoolean -egl_g3d_terminate(_EGLDriver *drv, _EGLDisplay *dpy) -{ - struct egl_g3d_display *gdpy = egl_g3d_display(dpy); - EGLint i; - - _eglReleaseDisplayResources(drv, dpy); - _eglCleanupDisplay(dpy); - - if (dpy->Screens) { - for (i = 0; i < dpy->NumScreens; i++) { - struct egl_g3d_screen *gscr = egl_g3d_screen(dpy->Screens[i]); - free(gscr->native_modes); - free(gscr); - } - free(dpy->Screens); - } - - if (gdpy->native) - gdpy->native->destroy(gdpy->native); - - free(gdpy); - dpy->DriverData = NULL; - - return EGL_TRUE; -} - -static EGLBoolean -egl_g3d_initialize(_EGLDriver *drv, _EGLDisplay *dpy, - EGLint *major, EGLint *minor) -{ - struct egl_g3d_driver *gdrv = egl_g3d_driver(drv); - struct egl_g3d_display *gdpy; - - /* the probe object is unlikely to be needed again */ - egl_g3d_destroy_probe(drv, dpy); - - gdpy = CALLOC_STRUCT(egl_g3d_display); - if (!gdpy) { - _eglError(EGL_BAD_ALLOC, "eglInitialize"); - goto fail; - } - dpy->DriverData = gdpy; - - gdpy->native = native_create_display(dpy->NativeDisplay); - if (!gdpy->native) { - _eglError(EGL_NOT_INITIALIZED, "eglInitialize(no usable display)"); - goto fail; - } - - gdpy->native->screen->flush_frontbuffer = egl_g3d_flush_frontbuffer; - gdpy->native->screen->update_buffer = egl_g3d_update_buffer; - - egl_g3d_init_st(&gdrv->base); - dpy->ClientAPIsMask = gdrv->api_mask; - - if (egl_g3d_add_configs(drv, dpy, 1) == 1) { - _eglError(EGL_NOT_INITIALIZED, "eglInitialize(unable to add configs)"); - goto fail; - } - -#ifdef EGL_MESA_screen_surface - /* enable MESA_screen_surface */ - if (gdpy->native->modeset) { - dpy->Extensions.MESA_screen_surface = EGL_TRUE; - egl_g3d_add_screens(drv, dpy); - } -#endif - - *major = 1; - *minor = 4; - - return EGL_TRUE; - -fail: - if (gdpy) - egl_g3d_terminate(drv, dpy); - return EGL_FALSE; -} - -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; - const __GLcontextModes *mode; - - gctx = CALLOC_STRUCT(egl_g3d_context); - if (!gctx) { - _eglError(EGL_BAD_ALLOC, "eglCreateContext"); - return NULL; - } - - if (!_eglInitContext(drv, &gctx->base, conf, attribs)) { - free(gctx); - return NULL; - } - - gctx->stapi = egl_g3d_choose_st(drv, &gctx->base); - if (!gctx->stapi) { - free(gctx); - return NULL; - } - - mode = &gconf->native->mode; - gctx->pipe = - gdpy->native->create_context(gdpy->native, (void *) &gctx->base); - if (!gctx->pipe) { - free(gctx); - return NULL; - } - - gctx->st_ctx = gctx->stapi->st_create_context(gctx->pipe, mode, - (gshare) ? gshare->st_ctx : NULL); - if (!gctx->st_ctx) { - gctx->pipe->destroy(gctx->pipe); - free(gctx); - return NULL; - } - - return &gctx->base; -} - -static EGLBoolean -egl_g3d_destroy_context(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx) -{ - struct egl_g3d_context *gctx = egl_g3d_context(ctx); - - if (_eglIsContextBound(&gctx->base)) - return EGL_TRUE; - - egl_g3d_realloc_context(dpy, &gctx->base); - - /* it will destroy pipe context */ - gctx->stapi->st_destroy_context(gctx->st_ctx); - - free(gctx); - - return EGL_TRUE; -} - -static EGLBoolean -init_surface_geometry(_EGLSurface *surf) -{ - struct egl_g3d_surface *gsurf = egl_g3d_surface(surf); - - return gsurf->native->validate(gsurf->native, 0x0, - &gsurf->sequence_number, NULL, - &gsurf->base.Width, &gsurf->base.Height); -} - -static _EGLSurface * -egl_g3d_create_window_surface(_EGLDriver *drv, _EGLDisplay *dpy, - _EGLConfig *conf, EGLNativeWindowType win, - 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; - - gsurf = CALLOC_STRUCT(egl_g3d_surface); - if (!gsurf) { - _eglError(EGL_BAD_ALLOC, "eglCreateWindowSurface"); - return NULL; - } - - if (!_eglInitSurface(drv, &gsurf->base, EGL_WINDOW_BIT, conf, attribs)) { - free(gsurf); - return NULL; - } - - gsurf->native = - gdpy->native->create_window_surface(gdpy->native, win, gconf->native); - if (!gsurf->native) { - free(gsurf); - return NULL; - } - - if (!init_surface_geometry(&gsurf->base)) { - gsurf->native->destroy(gsurf->native); - free(gsurf); - return NULL; - } - - gsurf->render_att = (gsurf->base.RenderBuffer == EGL_SINGLE_BUFFER || - !gconf->native->mode.doubleBufferMode) ? - NATIVE_ATTACHMENT_FRONT_LEFT : NATIVE_ATTACHMENT_BACK_LEFT; - - return &gsurf->base; -} - -static _EGLSurface * -egl_g3d_create_pixmap_surface(_EGLDriver *drv, _EGLDisplay *dpy, - _EGLConfig *conf, EGLNativePixmapType pix, - 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; - - gsurf = CALLOC_STRUCT(egl_g3d_surface); - if (!gsurf) { - _eglError(EGL_BAD_ALLOC, "eglCreatePixmapSurface"); - return NULL; - } - - if (!_eglInitSurface(drv, &gsurf->base, EGL_PIXMAP_BIT, conf, attribs)) { - free(gsurf); - return NULL; - } - - gsurf->native = - gdpy->native->create_pixmap_surface(gdpy->native, pix, gconf->native); - if (!gsurf->native) { - free(gsurf); - return NULL; - } - - if (!init_surface_geometry(&gsurf->base)) { - gsurf->native->destroy(gsurf->native); - free(gsurf); - return NULL; - } - - gsurf->render_att = NATIVE_ATTACHMENT_FRONT_LEFT; - - return &gsurf->base; -} - -static _EGLSurface * -egl_g3d_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *dpy, - _EGLConfig *conf, 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; - - gsurf = CALLOC_STRUCT(egl_g3d_surface); - if (!gsurf) { - _eglError(EGL_BAD_ALLOC, "eglCreatePbufferSurface"); - return NULL; - } - - if (!_eglInitSurface(drv, &gsurf->base, EGL_PBUFFER_BIT, conf, attribs)) { - free(gsurf); - return NULL; - } - - gsurf->native = - gdpy->native->create_pbuffer_surface(gdpy->native, gconf->native, - gsurf->base.Width, gsurf->base.Height); - if (!gsurf->native) { - free(gsurf); - return NULL; - } - - if (!init_surface_geometry(&gsurf->base)) { - gsurf->native->destroy(gsurf->native); - free(gsurf); - return NULL; - } - - gsurf->render_att = (!gconf->native->mode.doubleBufferMode) ? - NATIVE_ATTACHMENT_FRONT_LEFT : NATIVE_ATTACHMENT_BACK_LEFT; - - return &gsurf->base; -} - -static EGLBoolean -egl_g3d_destroy_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf) -{ - struct egl_g3d_surface *gsurf = egl_g3d_surface(surf); - - if (_eglIsSurfaceBound(&gsurf->base)) - return EGL_TRUE; - - pipe_surface_reference(&gsurf->render_surface, NULL); - gsurf->native->destroy(gsurf->native); - free(gsurf); - 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_context *old_gctx; - EGLint api; - EGLBoolean ok = EGL_TRUE; - - /* find the old context */ - api = (gctx) ? gctx->base.ClientAPI : eglQueryAPI(); - old_gctx = egl_g3d_get_current_context(api); - if (old_gctx && !_eglIsContextLinked(&old_gctx->base)) - old_gctx = NULL; - - if (!_eglMakeCurrent(drv, dpy, draw, read, ctx)) - return EGL_FALSE; - - if (old_gctx) { - /* flush old context */ - old_gctx->stapi->st_flush(old_gctx->st_ctx, - PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_FRAME, NULL); - - /* - * The old context is no longer current, and egl_g3d_realloc_context() - * should be called to destroy the framebuffers. However, it is possible - * that it will be made current again with the same draw/read surfaces. - * It might be better to keep it around. - */ - } - - if (gctx) { - struct egl_g3d_surface *gdraw = egl_g3d_surface(draw); - - ok = egl_g3d_realloc_context(dpy, &gctx->base); - if (ok) { - ok = gctx->stapi->st_make_current(gctx->st_ctx, - gctx->draw.st_fb, gctx->read.st_fb); - if (ok) { - egl_g3d_validate_context(dpy, &gctx->base); - if (gdraw->base.Type == EGL_WINDOW_BIT) { - gctx->base.WindowRenderBuffer = - (gdraw->render_att == NATIVE_ATTACHMENT_FRONT_LEFT) ? - EGL_SINGLE_BUFFER : EGL_BACK_BUFFER; - } - } - } - } - else if (old_gctx) { - ok = old_gctx->stapi->st_make_current(NULL, NULL, NULL); - old_gctx->base.WindowRenderBuffer = EGL_NONE; - } - - 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->render_att == NATIVE_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->stapi->st_notify_swapbuffers(gctx->draw.st_fb); - - /* - * We drew on the back buffer, unless there was no back buffer. - * In that case, we drew on the front buffer. Either case, we call - * swap_buffers. - */ - if (!gsurf->native->swap_buffers(gsurf->native)) - return EGL_FALSE; - - if (gctx) { - struct egl_g3d_config *gconf = egl_g3d_config(gsurf->base.Config); - - /* force validation if the swap method is not copy */ - if (gconf->native->mode.swapMethod != GLX_SWAP_COPY_OML) { - gctx->force_validate = EGL_TRUE; - egl_g3d_validate_context(dpy, &gctx->base); - } - } - - return EGL_TRUE; -} - -/** - * Find a config that supports the pixmap. - */ -static _EGLConfig * -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; -} - -/** - * 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) -{ - struct pipe_texture *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, PIPE_BUFFER_USAGE_CPU_WRITE); - pipe_texture_reference(&textures[natt], NULL); - - return psurf; -} - -static EGLBoolean -egl_g3d_copy_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf, - NativePixmapType 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_surface) - return EGL_TRUE; - - gconf = egl_g3d_config(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->stapi->st_flush(gctx->st_ctx, - PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_FRAME, NULL); - } - - psurf = get_pipe_surface(gdpy->native, nsurf, NATIVE_ATTACHMENT_FRONT_LEFT); - if (psurf) { - struct pipe_context pipe; - - /** - * XXX This is hacky. If we might allow the EGLDisplay to create a pipe - * context of its own and use the blitter context for this. - */ - memset(&pipe, 0, sizeof(pipe)); - pipe.screen = screen; - - util_surface_copy(&pipe, FALSE, psurf, 0, 0, - gsurf->render_surface, 0, 0, psurf->width, psurf->height); - - pipe_surface_reference(&psurf, NULL); - nsurf->flush_frontbuffer(nsurf); - } - - nsurf->destroy(nsurf); - - return EGL_TRUE; -} - -static EGLBoolean -egl_g3d_wait_client(_EGLDriver *drv, _EGLDisplay *dpy, _EGLContext *ctx) -{ - struct egl_g3d_context *gctx = egl_g3d_context(ctx); - gctx->stapi->st_finish(gctx->st_ctx); - return EGL_TRUE; -} - -static EGLBoolean -egl_g3d_wait_native(_EGLDriver *drv, _EGLDisplay *dpy, EGLint engine) -{ - _EGLSurface *surf = _eglGetCurrentSurface(EGL_DRAW); - struct egl_g3d_surface *gsurf = egl_g3d_surface(surf); - - if (engine != EGL_CORE_NATIVE_ENGINE) - return _eglError(EGL_BAD_PARAMETER, "eglWaitNative"); - - if (gsurf) - gsurf->native->wait(gsurf->native); - - return EGL_TRUE; -} - -static _EGLProc -egl_g3d_get_proc_address(_EGLDriver *drv, const char *procname) -{ - struct egl_g3d_driver *gdrv = egl_g3d_driver(drv); - _EGLProc proc; - EGLint i; - - /* in case this is called before a display is initialized */ - egl_g3d_init_st(&gdrv->base); - - for (i = 0; i < NUM_EGL_G3D_STS; i++) { - const struct egl_g3d_st *stapi = gdrv->stapis[i]; - if (stapi) { - proc = (_EGLProc) stapi->st_get_proc_address(procname); - if (proc) - return proc; - } - } - - return (_EGLProc) NULL; -} - -static EGLBoolean -egl_g3d_bind_tex_image(_EGLDriver *drv, _EGLDisplay *dpy, - _EGLSurface *surf, EGLint buffer) -{ - struct egl_g3d_surface *gsurf = egl_g3d_surface(surf); - struct egl_g3d_context *gctx; - enum pipe_format target_format; - int 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: - target_format = PIPE_FORMAT_R8G8B8_UNORM; - break; - case EGL_TEXTURE_RGBA: - target_format = PIPE_FORMAT_A8R8G8B8_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"); - } - - /* flush properly if the surface is bound */ - if (gsurf->base.Binding) { - gctx = egl_g3d_context(gsurf->base.Binding); - gctx->stapi->st_flush(gctx->st_ctx, - PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_FRAME, NULL); - } - - /* XXX change to EGL_OPENGL_ES_API once OpenGL ES is merged */ - gctx = egl_g3d_get_current_context(EGL_OPENGL_API); - if (gctx) { - if (!gsurf->render_surface) - return EGL_FALSE; - - gctx->stapi->st_bind_texture_surface(gsurf->render_surface, - target, gsurf->base.MipmapLevel, target_format); - 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_surface) { - _EGLThreadInfo *t = _eglGetCurrentThread(); - /* XXX change to EGL_OPENGL_ES_API once OpenGL ES is merged */ - struct egl_g3d_context *gctx = egl_g3d_context( - t->CurrentContexts[_eglConvertApiToIndex(EGL_OPENGL_API)]); - - /* what if the context the surface binds to is no longer current? */ - if (gctx) - gctx->stapi->st_unbind_texture_surface(gsurf->render_surface, - ST_TEXTURE_2D, gsurf->base.MipmapLevel); - } - - 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_display *gdpy = egl_g3d_display(dpy); - 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(drv, &gsurf->base, - EGL_SCREEN_BIT_MESA, conf, attribs)) { - free(gsurf); - return NULL; - } - - gsurf->native = - gdpy->native->modeset->create_scanout_surface(gdpy->native, - gconf->native, gsurf->base.Width, gsurf->base.Height); - if (!gsurf->native) { - free(gsurf); - return NULL; - } - - gsurf->render_att = (!gconf->native->mode.doubleBufferMode) ? - NATIVE_ATTACHMENT_FRONT_LEFT : NATIVE_ATTACHMENT_BACK_LEFT; - - return &gsurf->base; -} - -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 */ - -static EGLint -egl_g3d_probe(_EGLDriver *drv, _EGLDisplay *dpy) -{ - struct native_probe *nprobe; - enum native_probe_result res; - EGLint score; - - nprobe = egl_g3d_get_probe(drv, dpy); - res = native_get_probe_result(nprobe); - - switch (res) { - case NATIVE_PROBE_UNKNOWN: - default: - score = 0; - break; - case NATIVE_PROBE_FALLBACK: - score = 40; - break; - case NATIVE_PROBE_SUPPORTED: - score = 50; - break; - case NATIVE_PROBE_EXACT: - score = 100; - break; - } - - return score; -} - -static void -egl_g3d_unload(_EGLDriver *drv) -{ - struct egl_g3d_driver *gdrv = egl_g3d_driver(drv); - - egl_g3d_destroy_probe(drv, NULL); - free(gdrv); -} - -_EGLDriver * -_eglMain(const char *args) -{ - static char driver_name[64]; - struct egl_g3d_driver *gdrv; - - snprintf(driver_name, sizeof(driver_name), - "Gallium/%s", native_get_name()); - - gdrv = CALLOC_STRUCT(egl_g3d_driver); - if (!gdrv) - return NULL; - - _eglInitDriverFallbacks(&gdrv->base); - - gdrv->base.API.Initialize = egl_g3d_initialize; - gdrv->base.API.Terminate = egl_g3d_terminate; - gdrv->base.API.CreateContext = egl_g3d_create_context; - gdrv->base.API.DestroyContext = egl_g3d_destroy_context; - gdrv->base.API.CreateWindowSurface = egl_g3d_create_window_surface; - gdrv->base.API.CreatePixmapSurface = egl_g3d_create_pixmap_surface; - gdrv->base.API.CreatePbufferSurface = egl_g3d_create_pbuffer_surface; - gdrv->base.API.DestroySurface = egl_g3d_destroy_surface; - gdrv->base.API.MakeCurrent = egl_g3d_make_current; - gdrv->base.API.SwapBuffers = egl_g3d_swap_buffers; - gdrv->base.API.CopyBuffers = egl_g3d_copy_buffers; - gdrv->base.API.WaitClient = egl_g3d_wait_client; - gdrv->base.API.WaitNative = egl_g3d_wait_native; - gdrv->base.API.GetProcAddress = egl_g3d_get_proc_address; - - gdrv->base.API.BindTexImage = egl_g3d_bind_tex_image; - gdrv->base.API.ReleaseTexImage = egl_g3d_release_tex_image; - -#ifdef EGL_MESA_screen_surface - gdrv->base.API.CreateScreenSurfaceMESA = egl_g3d_create_screen_surface; - gdrv->base.API.ShowScreenSurfaceMESA = egl_g3d_show_screen_surface; -#endif - - gdrv->base.Name = driver_name; - gdrv->base.Probe = egl_g3d_probe; - gdrv->base.Unload = egl_g3d_unload; - - /* the key is " EGL G3D" */ - gdrv->probe_key = 0x0E61063D; - - return &gdrv->base; -} |