1495 lines
42 KiB
C
1495 lines
42 KiB
C
/*
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* Mesa 3-D graphics library
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*
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* Copyright (C) 2010 LunarG Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* Chia-I Wu <olv@lunarg.com>
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*/
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#include "main/mtypes.h"
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#include "main/extensions.h"
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#include "main/context.h"
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#include "main/debug_output.h"
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#include "main/framebuffer.h"
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#include "main/glthread.h"
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#include "main/texobj.h"
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#include "main/teximage.h"
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#include "main/texstate.h"
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#include "main/errors.h"
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#include "main/framebuffer.h"
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#include "main/fbobject.h"
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#include "main/renderbuffer.h"
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#include "main/version.h"
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#include "util/hash_table.h"
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#include "st_texture.h"
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#include "st_context.h"
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#include "st_debug.h"
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#include "st_extensions.h"
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#include "st_format.h"
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#include "st_cb_bitmap.h"
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#include "st_cb_flush.h"
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#include "st_manager.h"
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#include "st_sampler_view.h"
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#include "st_util.h"
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#include "state_tracker/st_gl_api.h"
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#include "pipe/p_context.h"
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#include "pipe/p_screen.h"
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#include "util/format/u_format.h"
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#include "util/u_helpers.h"
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#include "util/u_pointer.h"
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#include "util/u_inlines.h"
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#include "util/u_atomic.h"
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#include "util/u_surface.h"
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#include "util/list.h"
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#include "util/u_memory.h"
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struct hash_table;
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struct st_manager_private
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{
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struct hash_table *stfbi_ht; /* framebuffer iface objects hash table */
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simple_mtx_t st_mutex;
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};
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/**
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* Cast wrapper to convert a struct gl_framebuffer to an gl_framebuffer.
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* Return NULL if the struct gl_framebuffer is a user-created framebuffer.
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* We'll only return non-null for window system framebuffers.
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* Note that this function may fail.
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*/
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static inline struct gl_framebuffer *
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st_ws_framebuffer(struct gl_framebuffer *fb)
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{
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/* FBO cannot be casted. See st_new_framebuffer */
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if (fb && _mesa_is_winsys_fbo(fb) &&
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fb != _mesa_get_incomplete_framebuffer())
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return fb;
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return NULL;
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}
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/**
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* Map an attachment to a buffer index.
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*/
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static inline gl_buffer_index
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attachment_to_buffer_index(enum st_attachment_type statt)
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{
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gl_buffer_index index;
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switch (statt) {
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case ST_ATTACHMENT_FRONT_LEFT:
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index = BUFFER_FRONT_LEFT;
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break;
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case ST_ATTACHMENT_BACK_LEFT:
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index = BUFFER_BACK_LEFT;
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break;
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case ST_ATTACHMENT_FRONT_RIGHT:
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index = BUFFER_FRONT_RIGHT;
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break;
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case ST_ATTACHMENT_BACK_RIGHT:
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index = BUFFER_BACK_RIGHT;
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break;
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case ST_ATTACHMENT_DEPTH_STENCIL:
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index = BUFFER_DEPTH;
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break;
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case ST_ATTACHMENT_ACCUM:
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index = BUFFER_ACCUM;
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break;
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default:
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index = BUFFER_COUNT;
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break;
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}
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return index;
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}
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/**
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* Map a buffer index to an attachment.
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*/
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static inline enum st_attachment_type
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buffer_index_to_attachment(gl_buffer_index index)
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{
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enum st_attachment_type statt;
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switch (index) {
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case BUFFER_FRONT_LEFT:
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statt = ST_ATTACHMENT_FRONT_LEFT;
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break;
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case BUFFER_BACK_LEFT:
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statt = ST_ATTACHMENT_BACK_LEFT;
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break;
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case BUFFER_FRONT_RIGHT:
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statt = ST_ATTACHMENT_FRONT_RIGHT;
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break;
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case BUFFER_BACK_RIGHT:
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statt = ST_ATTACHMENT_BACK_RIGHT;
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break;
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case BUFFER_DEPTH:
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statt = ST_ATTACHMENT_DEPTH_STENCIL;
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break;
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case BUFFER_ACCUM:
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statt = ST_ATTACHMENT_ACCUM;
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break;
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default:
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statt = ST_ATTACHMENT_INVALID;
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break;
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}
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return statt;
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}
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/**
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* Make sure a context picks up the latest cached state of the
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* drawables it binds to.
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*/
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static void
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st_context_validate(struct st_context *st,
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struct gl_framebuffer *stdraw,
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struct gl_framebuffer *stread)
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{
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if (stdraw && stdraw->stamp != st->draw_stamp) {
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st->dirty |= ST_NEW_FRAMEBUFFER;
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_mesa_resize_framebuffer(st->ctx, stdraw,
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stdraw->Width,
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stdraw->Height);
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st->draw_stamp = stdraw->stamp;
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}
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if (stread && stread->stamp != st->read_stamp) {
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if (stread != stdraw) {
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st->dirty |= ST_NEW_FRAMEBUFFER;
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_mesa_resize_framebuffer(st->ctx, stread,
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stread->Width,
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stread->Height);
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}
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st->read_stamp = stread->stamp;
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}
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}
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void
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st_set_ws_renderbuffer_surface(struct gl_renderbuffer *rb,
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struct pipe_surface *surf)
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{
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pipe_surface_reference(&rb->surface_srgb, NULL);
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pipe_surface_reference(&rb->surface_linear, NULL);
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if (util_format_is_srgb(surf->format))
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pipe_surface_reference(&rb->surface_srgb, surf);
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else
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pipe_surface_reference(&rb->surface_linear, surf);
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rb->surface = surf; /* just assign, don't ref */
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pipe_resource_reference(&rb->texture, surf->texture);
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rb->Width = surf->width;
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rb->Height = surf->height;
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}
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/**
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* Validate a framebuffer to make sure up-to-date pipe_textures are used.
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* The context is only used for creating pipe surfaces and for calling
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* _mesa_resize_framebuffer().
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* (That should probably be rethought, since those surfaces become
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* drawable state, not context state, and can be freed by another pipe
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* context).
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*/
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static void
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st_framebuffer_validate(struct gl_framebuffer *stfb,
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struct st_context *st)
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{
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struct pipe_resource *textures[ST_ATTACHMENT_COUNT];
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uint width, height;
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unsigned i;
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bool changed = false;
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int32_t new_stamp;
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new_stamp = p_atomic_read(&stfb->iface->stamp);
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if (stfb->iface_stamp == new_stamp)
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return;
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memset(textures, 0, stfb->num_statts * sizeof(textures[0]));
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/* validate the fb */
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do {
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if (!stfb->iface->validate(&st->iface, stfb->iface, stfb->statts,
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stfb->num_statts, textures))
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return;
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stfb->iface_stamp = new_stamp;
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new_stamp = p_atomic_read(&stfb->iface->stamp);
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} while(stfb->iface_stamp != new_stamp);
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width = stfb->Width;
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height = stfb->Height;
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for (i = 0; i < stfb->num_statts; i++) {
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struct gl_renderbuffer *rb;
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struct pipe_surface *ps, surf_tmpl;
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gl_buffer_index idx;
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if (!textures[i])
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continue;
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idx = attachment_to_buffer_index(stfb->statts[i]);
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if (idx >= BUFFER_COUNT) {
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pipe_resource_reference(&textures[i], NULL);
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continue;
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}
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rb = stfb->Attachment[idx].Renderbuffer;
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assert(rb);
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if (rb->texture == textures[i] &&
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rb->Width == textures[i]->width0 &&
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rb->Height == textures[i]->height0) {
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pipe_resource_reference(&textures[i], NULL);
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continue;
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}
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u_surface_default_template(&surf_tmpl, textures[i]);
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ps = st->pipe->create_surface(st->pipe, textures[i], &surf_tmpl);
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if (ps) {
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st_set_ws_renderbuffer_surface(rb, ps);
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pipe_surface_reference(&ps, NULL);
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changed = true;
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width = rb->Width;
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height = rb->Height;
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}
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pipe_resource_reference(&textures[i], NULL);
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}
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if (changed) {
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++stfb->stamp;
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_mesa_resize_framebuffer(st->ctx, stfb, width, height);
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}
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}
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/**
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* Update the attachments to validate by looping the existing renderbuffers.
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*/
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static void
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st_framebuffer_update_attachments(struct gl_framebuffer *stfb)
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{
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gl_buffer_index idx;
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stfb->num_statts = 0;
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for (enum st_attachment_type i = 0; i < ST_ATTACHMENT_COUNT; i++)
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stfb->statts[i] = ST_ATTACHMENT_INVALID;
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for (idx = 0; idx < BUFFER_COUNT; idx++) {
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struct gl_renderbuffer *rb;
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enum st_attachment_type statt;
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rb = stfb->Attachment[idx].Renderbuffer;
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if (!rb || rb->software)
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continue;
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statt = buffer_index_to_attachment(idx);
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if (statt != ST_ATTACHMENT_INVALID &&
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st_visual_have_buffers(stfb->iface->visual, 1 << statt))
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stfb->statts[stfb->num_statts++] = statt;
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}
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stfb->stamp++;
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}
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/**
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* Allocate a renderbuffer for an on-screen window (not a user-created
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* renderbuffer). The window system code determines the format.
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*/
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static struct gl_renderbuffer *
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st_new_renderbuffer_fb(enum pipe_format format, unsigned samples, boolean sw)
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{
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struct gl_renderbuffer *rb;
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rb = CALLOC_STRUCT(gl_renderbuffer);
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if (!rb) {
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_mesa_error(NULL, GL_OUT_OF_MEMORY, "creating renderbuffer");
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return NULL;
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}
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_mesa_init_renderbuffer(rb, 0);
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rb->ClassID = 0x4242; /* just a unique value */
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rb->NumSamples = samples;
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rb->NumStorageSamples = samples;
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rb->Format = st_pipe_format_to_mesa_format(format);
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rb->_BaseFormat = _mesa_get_format_base_format(rb->Format);
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rb->software = sw;
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switch (format) {
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case PIPE_FORMAT_B10G10R10A2_UNORM:
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case PIPE_FORMAT_R10G10B10A2_UNORM:
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rb->InternalFormat = GL_RGB10_A2;
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break;
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case PIPE_FORMAT_R10G10B10X2_UNORM:
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case PIPE_FORMAT_B10G10R10X2_UNORM:
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rb->InternalFormat = GL_RGB10;
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break;
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case PIPE_FORMAT_R8G8B8A8_UNORM:
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case PIPE_FORMAT_B8G8R8A8_UNORM:
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case PIPE_FORMAT_A8R8G8B8_UNORM:
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rb->InternalFormat = GL_RGBA8;
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break;
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case PIPE_FORMAT_R8G8B8X8_UNORM:
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case PIPE_FORMAT_B8G8R8X8_UNORM:
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case PIPE_FORMAT_X8R8G8B8_UNORM:
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case PIPE_FORMAT_R8G8B8_UNORM:
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rb->InternalFormat = GL_RGB8;
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break;
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case PIPE_FORMAT_R8G8B8A8_SRGB:
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case PIPE_FORMAT_B8G8R8A8_SRGB:
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case PIPE_FORMAT_A8R8G8B8_SRGB:
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rb->InternalFormat = GL_SRGB8_ALPHA8;
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break;
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case PIPE_FORMAT_R8G8B8X8_SRGB:
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case PIPE_FORMAT_B8G8R8X8_SRGB:
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case PIPE_FORMAT_X8R8G8B8_SRGB:
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rb->InternalFormat = GL_SRGB8;
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break;
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case PIPE_FORMAT_B5G5R5A1_UNORM:
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rb->InternalFormat = GL_RGB5_A1;
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break;
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case PIPE_FORMAT_B4G4R4A4_UNORM:
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rb->InternalFormat = GL_RGBA4;
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break;
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case PIPE_FORMAT_B5G6R5_UNORM:
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rb->InternalFormat = GL_RGB565;
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break;
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case PIPE_FORMAT_Z16_UNORM:
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rb->InternalFormat = GL_DEPTH_COMPONENT16;
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break;
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case PIPE_FORMAT_Z32_UNORM:
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rb->InternalFormat = GL_DEPTH_COMPONENT32;
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break;
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case PIPE_FORMAT_Z24_UNORM_S8_UINT:
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case PIPE_FORMAT_S8_UINT_Z24_UNORM:
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rb->InternalFormat = GL_DEPTH24_STENCIL8_EXT;
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break;
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case PIPE_FORMAT_Z24X8_UNORM:
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case PIPE_FORMAT_X8Z24_UNORM:
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rb->InternalFormat = GL_DEPTH_COMPONENT24;
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break;
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case PIPE_FORMAT_S8_UINT:
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rb->InternalFormat = GL_STENCIL_INDEX8_EXT;
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break;
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case PIPE_FORMAT_R16G16B16A16_SNORM:
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/* accum buffer */
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rb->InternalFormat = GL_RGBA16_SNORM;
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break;
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case PIPE_FORMAT_R16G16B16A16_UNORM:
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rb->InternalFormat = GL_RGBA16;
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break;
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case PIPE_FORMAT_R16G16B16_UNORM:
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rb->InternalFormat = GL_RGB16;
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break;
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case PIPE_FORMAT_R8_UNORM:
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rb->InternalFormat = GL_R8;
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break;
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case PIPE_FORMAT_R8G8_UNORM:
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rb->InternalFormat = GL_RG8;
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break;
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case PIPE_FORMAT_R16_UNORM:
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rb->InternalFormat = GL_R16;
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break;
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case PIPE_FORMAT_R16G16_UNORM:
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rb->InternalFormat = GL_RG16;
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break;
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case PIPE_FORMAT_R32G32B32A32_FLOAT:
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rb->InternalFormat = GL_RGBA32F;
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break;
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case PIPE_FORMAT_R32G32B32X32_FLOAT:
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case PIPE_FORMAT_R32G32B32_FLOAT:
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rb->InternalFormat = GL_RGB32F;
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break;
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case PIPE_FORMAT_R16G16B16A16_FLOAT:
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rb->InternalFormat = GL_RGBA16F;
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break;
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case PIPE_FORMAT_R16G16B16X16_FLOAT:
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rb->InternalFormat = GL_RGB16F;
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break;
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default:
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_mesa_problem(NULL,
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"Unexpected format %s in st_new_renderbuffer_fb",
|
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util_format_name(format));
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FREE(rb);
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return NULL;
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}
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rb->surface = NULL;
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|
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return rb;
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}
|
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|
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/**
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* Add a renderbuffer to the framebuffer. The framebuffer is one that
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* corresponds to a window and is not a user-created FBO.
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*/
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static bool
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st_framebuffer_add_renderbuffer(struct gl_framebuffer *stfb,
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gl_buffer_index idx, bool prefer_srgb)
|
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{
|
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struct gl_renderbuffer *rb;
|
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enum pipe_format format;
|
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bool sw;
|
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|
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assert(_mesa_is_winsys_fbo(stfb));
|
|
|
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/* do not distinguish depth/stencil buffers */
|
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if (idx == BUFFER_STENCIL)
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idx = BUFFER_DEPTH;
|
|
|
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switch (idx) {
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case BUFFER_DEPTH:
|
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format = stfb->iface->visual->depth_stencil_format;
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sw = false;
|
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break;
|
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case BUFFER_ACCUM:
|
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format = stfb->iface->visual->accum_format;
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sw = true;
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break;
|
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default:
|
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format = stfb->iface->visual->color_format;
|
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if (prefer_srgb)
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format = util_format_srgb(format);
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sw = false;
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break;
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}
|
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|
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if (format == PIPE_FORMAT_NONE)
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return false;
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|
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rb = st_new_renderbuffer_fb(format, stfb->iface->visual->samples, sw);
|
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if (!rb)
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return false;
|
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|
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if (idx != BUFFER_DEPTH) {
|
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_mesa_attach_and_own_rb(stfb, idx, rb);
|
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return true;
|
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}
|
|
|
|
bool rb_ownership_taken = false;
|
|
if (util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_ZS, 0)) {
|
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_mesa_attach_and_own_rb(stfb, BUFFER_DEPTH, rb);
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rb_ownership_taken = true;
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}
|
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|
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if (util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_ZS, 1)) {
|
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if (rb_ownership_taken)
|
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_mesa_attach_and_reference_rb(stfb, BUFFER_STENCIL, rb);
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else
|
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_mesa_attach_and_own_rb(stfb, BUFFER_STENCIL, rb);
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}
|
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|
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return true;
|
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}
|
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|
|
|
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/**
|
|
* Intialize a struct gl_config from a visual.
|
|
*/
|
|
static void
|
|
st_visual_to_context_mode(const struct st_visual *visual,
|
|
struct gl_config *mode)
|
|
{
|
|
memset(mode, 0, sizeof(*mode));
|
|
|
|
if (st_visual_have_buffers(visual, ST_ATTACHMENT_BACK_LEFT_MASK))
|
|
mode->doubleBufferMode = GL_TRUE;
|
|
|
|
if (st_visual_have_buffers(visual,
|
|
ST_ATTACHMENT_FRONT_RIGHT_MASK | ST_ATTACHMENT_BACK_RIGHT_MASK))
|
|
mode->stereoMode = GL_TRUE;
|
|
|
|
if (visual->color_format != PIPE_FORMAT_NONE) {
|
|
mode->redBits =
|
|
util_format_get_component_bits(visual->color_format,
|
|
UTIL_FORMAT_COLORSPACE_RGB, 0);
|
|
mode->greenBits =
|
|
util_format_get_component_bits(visual->color_format,
|
|
UTIL_FORMAT_COLORSPACE_RGB, 1);
|
|
mode->blueBits =
|
|
util_format_get_component_bits(visual->color_format,
|
|
UTIL_FORMAT_COLORSPACE_RGB, 2);
|
|
mode->alphaBits =
|
|
util_format_get_component_bits(visual->color_format,
|
|
UTIL_FORMAT_COLORSPACE_RGB, 3);
|
|
|
|
mode->rgbBits = mode->redBits +
|
|
mode->greenBits + mode->blueBits + mode->alphaBits;
|
|
mode->sRGBCapable = util_format_is_srgb(visual->color_format);
|
|
}
|
|
|
|
if (visual->depth_stencil_format != PIPE_FORMAT_NONE) {
|
|
mode->depthBits =
|
|
util_format_get_component_bits(visual->depth_stencil_format,
|
|
UTIL_FORMAT_COLORSPACE_ZS, 0);
|
|
mode->stencilBits =
|
|
util_format_get_component_bits(visual->depth_stencil_format,
|
|
UTIL_FORMAT_COLORSPACE_ZS, 1);
|
|
}
|
|
|
|
if (visual->accum_format != PIPE_FORMAT_NONE) {
|
|
mode->accumRedBits =
|
|
util_format_get_component_bits(visual->accum_format,
|
|
UTIL_FORMAT_COLORSPACE_RGB, 0);
|
|
mode->accumGreenBits =
|
|
util_format_get_component_bits(visual->accum_format,
|
|
UTIL_FORMAT_COLORSPACE_RGB, 1);
|
|
mode->accumBlueBits =
|
|
util_format_get_component_bits(visual->accum_format,
|
|
UTIL_FORMAT_COLORSPACE_RGB, 2);
|
|
mode->accumAlphaBits =
|
|
util_format_get_component_bits(visual->accum_format,
|
|
UTIL_FORMAT_COLORSPACE_RGB, 3);
|
|
}
|
|
|
|
if (visual->samples > 1) {
|
|
mode->samples = visual->samples;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Create a framebuffer from a manager interface.
|
|
*/
|
|
static struct gl_framebuffer *
|
|
st_framebuffer_create(struct st_context *st,
|
|
struct st_framebuffer_iface *stfbi)
|
|
{
|
|
struct gl_framebuffer *stfb;
|
|
struct gl_config mode;
|
|
gl_buffer_index idx;
|
|
bool prefer_srgb = false;
|
|
|
|
if (!stfbi)
|
|
return NULL;
|
|
|
|
stfb = CALLOC_STRUCT(gl_framebuffer);
|
|
if (!stfb)
|
|
return NULL;
|
|
|
|
st_visual_to_context_mode(stfbi->visual, &mode);
|
|
|
|
/*
|
|
* For desktop GL, sRGB framebuffer write is controlled by both the
|
|
* capability of the framebuffer and GL_FRAMEBUFFER_SRGB. We should
|
|
* advertise the capability when the pipe driver (and core Mesa) supports
|
|
* it so that applications can enable sRGB write when they want to.
|
|
*
|
|
* This is not to be confused with GLX_FRAMEBUFFER_SRGB_CAPABLE_ARB. When
|
|
* the attribute is GLX_TRUE, it tells the st manager to pick a color
|
|
* format such that util_format_srgb(visual->color_format) can be supported
|
|
* by the pipe driver. We still need to advertise the capability here.
|
|
*
|
|
* For GLES, however, sRGB framebuffer write is initially only controlled
|
|
* by the capability of the framebuffer, with GL_EXT_sRGB_write_control
|
|
* control is given back to the applications, but GL_FRAMEBUFFER_SRGB is
|
|
* still enabled by default since this is the behaviour when
|
|
* EXT_sRGB_write_control is not available. Since GL_EXT_sRGB_write_control
|
|
* brings GLES on par with desktop GLs EXT_framebuffer_sRGB, in mesa this
|
|
* is also expressed by using the same extension flag
|
|
*/
|
|
if (_mesa_has_EXT_framebuffer_sRGB(st->ctx)) {
|
|
struct pipe_screen *screen = st->screen;
|
|
const enum pipe_format srgb_format =
|
|
util_format_srgb(stfbi->visual->color_format);
|
|
|
|
if (srgb_format != PIPE_FORMAT_NONE &&
|
|
st_pipe_format_to_mesa_format(srgb_format) != MESA_FORMAT_NONE &&
|
|
screen->is_format_supported(screen, srgb_format,
|
|
PIPE_TEXTURE_2D, stfbi->visual->samples,
|
|
stfbi->visual->samples,
|
|
(PIPE_BIND_DISPLAY_TARGET |
|
|
PIPE_BIND_RENDER_TARGET))) {
|
|
mode.sRGBCapable = GL_TRUE;
|
|
/* Since GL_FRAMEBUFFER_SRGB is enabled by default on GLES we must not
|
|
* create renderbuffers with an sRGB format derived from the
|
|
* visual->color_format, but we still want sRGB for desktop GL.
|
|
*/
|
|
prefer_srgb = _mesa_is_desktop_gl(st->ctx);
|
|
}
|
|
}
|
|
|
|
_mesa_initialize_window_framebuffer(stfb, &mode);
|
|
|
|
stfb->iface = stfbi;
|
|
stfb->iface_ID = stfbi->ID;
|
|
stfb->iface_stamp = p_atomic_read(&stfbi->stamp) - 1;
|
|
|
|
/* add the color buffer */
|
|
idx = stfb->_ColorDrawBufferIndexes[0];
|
|
if (!st_framebuffer_add_renderbuffer(stfb, idx, prefer_srgb)) {
|
|
FREE(stfb);
|
|
return NULL;
|
|
}
|
|
|
|
st_framebuffer_add_renderbuffer(stfb, BUFFER_DEPTH, false);
|
|
st_framebuffer_add_renderbuffer(stfb, BUFFER_ACCUM, false);
|
|
|
|
stfb->stamp = 0;
|
|
st_framebuffer_update_attachments(stfb);
|
|
|
|
return stfb;
|
|
}
|
|
|
|
|
|
static uint32_t
|
|
st_framebuffer_iface_hash(const void *key)
|
|
{
|
|
return (uintptr_t)key;
|
|
}
|
|
|
|
|
|
static bool
|
|
st_framebuffer_iface_equal(const void *a, const void *b)
|
|
{
|
|
return (struct st_framebuffer_iface *)a == (struct st_framebuffer_iface *)b;
|
|
}
|
|
|
|
|
|
static bool
|
|
st_framebuffer_iface_lookup(struct st_manager *smapi,
|
|
const struct st_framebuffer_iface *stfbi)
|
|
{
|
|
struct st_manager_private *smPriv =
|
|
(struct st_manager_private *)smapi->st_manager_private;
|
|
struct hash_entry *entry;
|
|
|
|
assert(smPriv);
|
|
assert(smPriv->stfbi_ht);
|
|
|
|
simple_mtx_lock(&smPriv->st_mutex);
|
|
entry = _mesa_hash_table_search(smPriv->stfbi_ht, stfbi);
|
|
simple_mtx_unlock(&smPriv->st_mutex);
|
|
|
|
return entry != NULL;
|
|
}
|
|
|
|
|
|
static bool
|
|
st_framebuffer_iface_insert(struct st_manager *smapi,
|
|
struct st_framebuffer_iface *stfbi)
|
|
{
|
|
struct st_manager_private *smPriv =
|
|
(struct st_manager_private *)smapi->st_manager_private;
|
|
struct hash_entry *entry;
|
|
|
|
assert(smPriv);
|
|
assert(smPriv->stfbi_ht);
|
|
|
|
simple_mtx_lock(&smPriv->st_mutex);
|
|
entry = _mesa_hash_table_insert(smPriv->stfbi_ht, stfbi, stfbi);
|
|
simple_mtx_unlock(&smPriv->st_mutex);
|
|
|
|
return entry != NULL;
|
|
}
|
|
|
|
|
|
static void
|
|
st_framebuffer_iface_remove(struct st_manager *smapi,
|
|
struct st_framebuffer_iface *stfbi)
|
|
{
|
|
struct st_manager_private *smPriv =
|
|
(struct st_manager_private *)smapi->st_manager_private;
|
|
struct hash_entry *entry;
|
|
|
|
if (!smPriv || !smPriv->stfbi_ht)
|
|
return;
|
|
|
|
simple_mtx_lock(&smPriv->st_mutex);
|
|
entry = _mesa_hash_table_search(smPriv->stfbi_ht, stfbi);
|
|
if (!entry)
|
|
goto unlock;
|
|
|
|
_mesa_hash_table_remove(smPriv->stfbi_ht, entry);
|
|
|
|
unlock:
|
|
simple_mtx_unlock(&smPriv->st_mutex);
|
|
}
|
|
|
|
|
|
/**
|
|
* The framebuffer interface object is no longer valid.
|
|
* Remove the object from the framebuffer interface hash table.
|
|
*/
|
|
static void
|
|
st_api_destroy_drawable(struct st_api *stapi,
|
|
struct st_framebuffer_iface *stfbi)
|
|
{
|
|
if (!stfbi)
|
|
return;
|
|
|
|
st_framebuffer_iface_remove(stfbi->state_manager, stfbi);
|
|
}
|
|
|
|
|
|
/**
|
|
* Purge the winsys buffers list to remove any references to
|
|
* non-existing framebuffer interface objects.
|
|
*/
|
|
static void
|
|
st_framebuffers_purge(struct st_context *st)
|
|
{
|
|
struct st_context_iface *st_iface = &st->iface;
|
|
struct st_manager *smapi = st_iface->state_manager;
|
|
struct gl_framebuffer *stfb, *next;
|
|
|
|
assert(smapi);
|
|
|
|
LIST_FOR_EACH_ENTRY_SAFE_REV(stfb, next, &st->winsys_buffers, head) {
|
|
struct st_framebuffer_iface *stfbi = stfb->iface;
|
|
|
|
assert(stfbi);
|
|
|
|
/**
|
|
* If the corresponding framebuffer interface object no longer exists,
|
|
* remove the framebuffer object from the context's winsys buffers list,
|
|
* and unreference the framebuffer object, so its resources can be
|
|
* deleted.
|
|
*/
|
|
if (!st_framebuffer_iface_lookup(smapi, stfbi)) {
|
|
list_del(&stfb->head);
|
|
_mesa_reference_framebuffer(&stfb, NULL);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
st_context_flush(struct st_context_iface *stctxi, unsigned flags,
|
|
struct pipe_fence_handle **fence,
|
|
void (*before_flush_cb) (void*),
|
|
void* args)
|
|
{
|
|
struct st_context *st = (struct st_context *) stctxi;
|
|
unsigned pipe_flags = 0;
|
|
|
|
if (flags & ST_FLUSH_END_OF_FRAME)
|
|
pipe_flags |= PIPE_FLUSH_END_OF_FRAME;
|
|
if (flags & ST_FLUSH_FENCE_FD)
|
|
pipe_flags |= PIPE_FLUSH_FENCE_FD;
|
|
|
|
/* We can do these in any order because FLUSH_VERTICES will also flush
|
|
* the bitmap cache if there are any unflushed vertices.
|
|
*/
|
|
st_flush_bitmap_cache(st);
|
|
FLUSH_VERTICES(st->ctx, 0, 0);
|
|
|
|
/* Notify the caller that we're ready to flush */
|
|
if (before_flush_cb)
|
|
before_flush_cb(args);
|
|
st_flush(st, fence, pipe_flags);
|
|
|
|
if ((flags & ST_FLUSH_WAIT) && fence && *fence) {
|
|
st->screen->fence_finish(st->screen, NULL, *fence,
|
|
PIPE_TIMEOUT_INFINITE);
|
|
st->screen->fence_reference(st->screen, fence, NULL);
|
|
}
|
|
|
|
if (flags & ST_FLUSH_FRONT)
|
|
st_manager_flush_frontbuffer(st);
|
|
|
|
/* DRI3 changes the framebuffer after SwapBuffers, but we need to invoke
|
|
* st_manager_validate_framebuffers to notice that.
|
|
*
|
|
* Set gfx_shaders_may_be_dirty to invoke st_validate_state in the next
|
|
* draw call, which will invoke st_manager_validate_framebuffers, but it
|
|
* won't dirty states if there is no change.
|
|
*/
|
|
if (flags & ST_FLUSH_END_OF_FRAME)
|
|
st->gfx_shaders_may_be_dirty = true;
|
|
}
|
|
|
|
static bool
|
|
st_context_teximage(struct st_context_iface *stctxi,
|
|
enum st_texture_type tex_type,
|
|
int level, enum pipe_format pipe_format,
|
|
struct pipe_resource *tex, bool mipmap)
|
|
{
|
|
struct st_context *st = (struct st_context *) stctxi;
|
|
struct gl_context *ctx = st->ctx;
|
|
struct gl_texture_object *texObj;
|
|
struct gl_texture_image *texImage;
|
|
GLenum internalFormat;
|
|
GLuint width, height, depth;
|
|
GLenum target;
|
|
|
|
switch (tex_type) {
|
|
case ST_TEXTURE_1D:
|
|
target = GL_TEXTURE_1D;
|
|
break;
|
|
case ST_TEXTURE_2D:
|
|
target = GL_TEXTURE_2D;
|
|
break;
|
|
case ST_TEXTURE_3D:
|
|
target = GL_TEXTURE_3D;
|
|
break;
|
|
case ST_TEXTURE_RECT:
|
|
target = GL_TEXTURE_RECTANGLE_ARB;
|
|
break;
|
|
default:
|
|
return FALSE;
|
|
}
|
|
|
|
texObj = _mesa_get_current_tex_object(ctx, target);
|
|
|
|
_mesa_lock_texture(ctx, texObj);
|
|
|
|
/* switch to surface based */
|
|
if (!texObj->surface_based) {
|
|
_mesa_clear_texture_object(ctx, texObj, NULL);
|
|
texObj->surface_based = GL_TRUE;
|
|
}
|
|
|
|
texImage = _mesa_get_tex_image(ctx, texObj, target, level);
|
|
if (tex) {
|
|
mesa_format texFormat = st_pipe_format_to_mesa_format(pipe_format);
|
|
|
|
if (util_format_has_alpha(tex->format))
|
|
internalFormat = GL_RGBA;
|
|
else
|
|
internalFormat = GL_RGB;
|
|
|
|
_mesa_init_teximage_fields(ctx, texImage,
|
|
tex->width0, tex->height0, 1, 0,
|
|
internalFormat, texFormat);
|
|
|
|
width = tex->width0;
|
|
height = tex->height0;
|
|
depth = tex->depth0;
|
|
|
|
/* grow the image size until we hit level = 0 */
|
|
while (level > 0) {
|
|
if (width != 1)
|
|
width <<= 1;
|
|
if (height != 1)
|
|
height <<= 1;
|
|
if (depth != 1)
|
|
depth <<= 1;
|
|
level--;
|
|
}
|
|
}
|
|
else {
|
|
_mesa_clear_texture_image(ctx, texImage);
|
|
width = height = depth = 0;
|
|
}
|
|
|
|
pipe_resource_reference(&texObj->pt, tex);
|
|
st_texture_release_all_sampler_views(st, texObj);
|
|
pipe_resource_reference(&texImage->pt, tex);
|
|
texObj->surface_format = pipe_format;
|
|
|
|
texObj->needs_validation = true;
|
|
|
|
_mesa_dirty_texobj(ctx, texObj);
|
|
_mesa_unlock_texture(ctx, texObj);
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
static void
|
|
st_context_copy(struct st_context_iface *stctxi,
|
|
struct st_context_iface *stsrci, unsigned mask)
|
|
{
|
|
struct st_context *st = (struct st_context *) stctxi;
|
|
struct st_context *src = (struct st_context *) stsrci;
|
|
|
|
_mesa_copy_context(src->ctx, st->ctx, mask);
|
|
}
|
|
|
|
|
|
static bool
|
|
st_context_share(struct st_context_iface *stctxi,
|
|
struct st_context_iface *stsrci)
|
|
{
|
|
struct st_context *st = (struct st_context *) stctxi;
|
|
struct st_context *src = (struct st_context *) stsrci;
|
|
|
|
return _mesa_share_state(st->ctx, src->ctx);
|
|
}
|
|
|
|
|
|
static void
|
|
st_context_destroy(struct st_context_iface *stctxi)
|
|
{
|
|
struct st_context *st = (struct st_context *) stctxi;
|
|
st_destroy_context(st);
|
|
}
|
|
|
|
|
|
static void
|
|
st_start_thread(struct st_context_iface *stctxi)
|
|
{
|
|
struct st_context *st = (struct st_context *) stctxi;
|
|
|
|
_mesa_glthread_init(st->ctx);
|
|
}
|
|
|
|
|
|
static void
|
|
st_thread_finish(struct st_context_iface *stctxi)
|
|
{
|
|
struct st_context *st = (struct st_context *) stctxi;
|
|
|
|
_mesa_glthread_finish(st->ctx);
|
|
}
|
|
|
|
|
|
static void
|
|
st_context_invalidate_state(struct st_context_iface *stctxi,
|
|
unsigned flags)
|
|
{
|
|
struct st_context *st = (struct st_context *) stctxi;
|
|
|
|
if (flags & ST_INVALIDATE_FS_SAMPLER_VIEWS)
|
|
st->dirty |= ST_NEW_FS_SAMPLER_VIEWS;
|
|
if (flags & ST_INVALIDATE_FS_CONSTBUF0)
|
|
st->dirty |= ST_NEW_FS_CONSTANTS;
|
|
if (flags & ST_INVALIDATE_VS_CONSTBUF0)
|
|
st->dirty |= ST_NEW_VS_CONSTANTS;
|
|
if (flags & ST_INVALIDATE_VERTEX_BUFFERS) {
|
|
st->ctx->Array.NewVertexElements = true;
|
|
st->dirty |= ST_NEW_VERTEX_ARRAYS;
|
|
}
|
|
}
|
|
|
|
|
|
static void
|
|
st_manager_destroy(struct st_manager *smapi)
|
|
{
|
|
struct st_manager_private *smPriv = smapi->st_manager_private;
|
|
|
|
if (smPriv && smPriv->stfbi_ht) {
|
|
_mesa_hash_table_destroy(smPriv->stfbi_ht, NULL);
|
|
simple_mtx_destroy(&smPriv->st_mutex);
|
|
FREE(smPriv);
|
|
smapi->st_manager_private = NULL;
|
|
}
|
|
}
|
|
|
|
|
|
static struct st_context_iface *
|
|
st_api_create_context(struct st_api *stapi, struct st_manager *smapi,
|
|
const struct st_context_attribs *attribs,
|
|
enum st_context_error *error,
|
|
struct st_context_iface *shared_stctxi)
|
|
{
|
|
struct st_context *shared_ctx = (struct st_context *) shared_stctxi;
|
|
struct st_context *st;
|
|
struct pipe_context *pipe;
|
|
struct gl_config mode, *mode_ptr = &mode;
|
|
gl_api api;
|
|
bool no_error = false;
|
|
unsigned ctx_flags = PIPE_CONTEXT_PREFER_THREADED;
|
|
|
|
if (!(stapi->profile_mask & (1 << attribs->profile)))
|
|
return NULL;
|
|
|
|
switch (attribs->profile) {
|
|
case ST_PROFILE_DEFAULT:
|
|
api = API_OPENGL_COMPAT;
|
|
break;
|
|
case ST_PROFILE_OPENGL_ES1:
|
|
api = API_OPENGLES;
|
|
break;
|
|
case ST_PROFILE_OPENGL_ES2:
|
|
api = API_OPENGLES2;
|
|
break;
|
|
case ST_PROFILE_OPENGL_CORE:
|
|
api = API_OPENGL_CORE;
|
|
break;
|
|
default:
|
|
*error = ST_CONTEXT_ERROR_BAD_API;
|
|
return NULL;
|
|
}
|
|
|
|
_mesa_initialize(attribs->options.mesa_extension_override);
|
|
|
|
/* Create a hash table for the framebuffer interface objects
|
|
* if it has not been created for this st manager.
|
|
*/
|
|
if (smapi->st_manager_private == NULL) {
|
|
struct st_manager_private *smPriv;
|
|
|
|
smPriv = CALLOC_STRUCT(st_manager_private);
|
|
simple_mtx_init(&smPriv->st_mutex, mtx_plain);
|
|
smPriv->stfbi_ht = _mesa_hash_table_create(NULL,
|
|
st_framebuffer_iface_hash,
|
|
st_framebuffer_iface_equal);
|
|
smapi->st_manager_private = smPriv;
|
|
smapi->destroy = st_manager_destroy;
|
|
}
|
|
|
|
if (attribs->flags & ST_CONTEXT_FLAG_ROBUST_ACCESS)
|
|
ctx_flags |= PIPE_CONTEXT_ROBUST_BUFFER_ACCESS;
|
|
|
|
if (attribs->flags & ST_CONTEXT_FLAG_NO_ERROR)
|
|
no_error = true;
|
|
|
|
if (attribs->flags & ST_CONTEXT_FLAG_LOW_PRIORITY)
|
|
ctx_flags |= PIPE_CONTEXT_LOW_PRIORITY;
|
|
else if (attribs->flags & ST_CONTEXT_FLAG_HIGH_PRIORITY)
|
|
ctx_flags |= PIPE_CONTEXT_HIGH_PRIORITY;
|
|
|
|
if (attribs->flags & ST_CONTEXT_FLAG_RESET_NOTIFICATION_ENABLED)
|
|
ctx_flags |= PIPE_CONTEXT_LOSE_CONTEXT_ON_RESET;
|
|
|
|
pipe = smapi->screen->context_create(smapi->screen, NULL, ctx_flags);
|
|
if (!pipe) {
|
|
*error = ST_CONTEXT_ERROR_NO_MEMORY;
|
|
return NULL;
|
|
}
|
|
|
|
st_visual_to_context_mode(&attribs->visual, &mode);
|
|
if (attribs->visual.color_format == PIPE_FORMAT_NONE)
|
|
mode_ptr = NULL;
|
|
st = st_create_context(api, pipe, mode_ptr, shared_ctx,
|
|
&attribs->options, no_error,
|
|
!!smapi->validate_egl_image);
|
|
if (!st) {
|
|
*error = ST_CONTEXT_ERROR_NO_MEMORY;
|
|
pipe->destroy(pipe);
|
|
return NULL;
|
|
}
|
|
|
|
if (attribs->flags & ST_CONTEXT_FLAG_DEBUG) {
|
|
if (!_mesa_set_debug_state_int(st->ctx, GL_DEBUG_OUTPUT, GL_TRUE)) {
|
|
*error = ST_CONTEXT_ERROR_NO_MEMORY;
|
|
return NULL;
|
|
}
|
|
|
|
st->ctx->Const.ContextFlags |= GL_CONTEXT_FLAG_DEBUG_BIT;
|
|
}
|
|
|
|
if (st->ctx->Const.ContextFlags & GL_CONTEXT_FLAG_DEBUG_BIT) {
|
|
_mesa_update_debug_callback(st->ctx);
|
|
}
|
|
|
|
if (attribs->flags & ST_CONTEXT_FLAG_FORWARD_COMPATIBLE)
|
|
st->ctx->Const.ContextFlags |= GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT;
|
|
if (attribs->flags & ST_CONTEXT_FLAG_ROBUST_ACCESS) {
|
|
st->ctx->Const.ContextFlags |= GL_CONTEXT_FLAG_ROBUST_ACCESS_BIT_ARB;
|
|
st->ctx->Const.RobustAccess = GL_TRUE;
|
|
}
|
|
if (attribs->flags & ST_CONTEXT_FLAG_RESET_NOTIFICATION_ENABLED) {
|
|
st->ctx->Const.ResetStrategy = GL_LOSE_CONTEXT_ON_RESET_ARB;
|
|
st_install_device_reset_callback(st);
|
|
}
|
|
|
|
if (attribs->flags & ST_CONTEXT_FLAG_RELEASE_NONE)
|
|
st->ctx->Const.ContextReleaseBehavior = GL_NONE;
|
|
|
|
/* need to perform version check */
|
|
if (attribs->major > 1 || attribs->minor > 0) {
|
|
/* Is the actual version less than the requested version?
|
|
*/
|
|
if (st->ctx->Version < attribs->major * 10U + attribs->minor) {
|
|
*error = ST_CONTEXT_ERROR_BAD_VERSION;
|
|
st_destroy_context(st);
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
st->can_scissor_clear = !!st->screen->get_param(st->screen, PIPE_CAP_CLEAR_SCISSORED);
|
|
|
|
st->ctx->invalidate_on_gl_viewport =
|
|
smapi->get_param(smapi, ST_MANAGER_BROKEN_INVALIDATE);
|
|
|
|
st->iface.destroy = st_context_destroy;
|
|
st->iface.flush = st_context_flush;
|
|
st->iface.teximage = st_context_teximage;
|
|
st->iface.copy = st_context_copy;
|
|
st->iface.share = st_context_share;
|
|
st->iface.start_thread = st_start_thread;
|
|
st->iface.thread_finish = st_thread_finish;
|
|
st->iface.invalidate_state = st_context_invalidate_state;
|
|
st->iface.st_context_private = (void *) smapi;
|
|
st->iface.cso_context = st->cso_context;
|
|
st->iface.pipe = st->pipe;
|
|
st->iface.state_manager = smapi;
|
|
|
|
if (st->ctx->IntelBlackholeRender &&
|
|
st->screen->get_param(st->screen, PIPE_CAP_FRONTEND_NOOP))
|
|
st->pipe->set_frontend_noop(st->pipe, st->ctx->IntelBlackholeRender);
|
|
|
|
*error = ST_CONTEXT_SUCCESS;
|
|
return &st->iface;
|
|
}
|
|
|
|
|
|
static struct st_context_iface *
|
|
st_api_get_current(struct st_api *stapi)
|
|
{
|
|
GET_CURRENT_CONTEXT(ctx);
|
|
struct st_context *st = ctx ? ctx->st : NULL;
|
|
|
|
return st ? &st->iface : NULL;
|
|
}
|
|
|
|
|
|
static struct gl_framebuffer *
|
|
st_framebuffer_reuse_or_create(struct st_context *st,
|
|
struct gl_framebuffer *fb,
|
|
struct st_framebuffer_iface *stfbi)
|
|
{
|
|
struct gl_framebuffer *cur = NULL, *stfb = NULL;
|
|
|
|
if (!stfbi)
|
|
return NULL;
|
|
|
|
/* Check if there is already a framebuffer object for the specified
|
|
* framebuffer interface in this context. If there is one, use it.
|
|
*/
|
|
LIST_FOR_EACH_ENTRY(cur, &st->winsys_buffers, head) {
|
|
if (cur->iface_ID == stfbi->ID) {
|
|
_mesa_reference_framebuffer(&stfb, cur);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* If there is not already a framebuffer object, create one */
|
|
if (stfb == NULL) {
|
|
cur = st_framebuffer_create(st, stfbi);
|
|
|
|
if (cur) {
|
|
/* add the referenced framebuffer interface object to
|
|
* the framebuffer interface object hash table.
|
|
*/
|
|
if (!st_framebuffer_iface_insert(stfbi->state_manager, stfbi)) {
|
|
_mesa_reference_framebuffer(&cur, NULL);
|
|
return NULL;
|
|
}
|
|
|
|
/* add to the context's winsys buffers list */
|
|
list_add(&cur->head, &st->winsys_buffers);
|
|
|
|
_mesa_reference_framebuffer(&stfb, cur);
|
|
}
|
|
}
|
|
|
|
return stfb;
|
|
}
|
|
|
|
|
|
static bool
|
|
st_api_make_current(struct st_api *stapi, struct st_context_iface *stctxi,
|
|
struct st_framebuffer_iface *stdrawi,
|
|
struct st_framebuffer_iface *streadi)
|
|
{
|
|
struct st_context *st = (struct st_context *) stctxi;
|
|
struct gl_framebuffer *stdraw, *stread;
|
|
bool ret;
|
|
|
|
if (st) {
|
|
/* reuse or create the draw fb */
|
|
stdraw = st_framebuffer_reuse_or_create(st,
|
|
st->ctx->WinSysDrawBuffer, stdrawi);
|
|
if (streadi != stdrawi) {
|
|
/* do the same for the read fb */
|
|
stread = st_framebuffer_reuse_or_create(st,
|
|
st->ctx->WinSysReadBuffer, streadi);
|
|
}
|
|
else {
|
|
stread = NULL;
|
|
/* reuse the draw fb for the read fb */
|
|
if (stdraw)
|
|
_mesa_reference_framebuffer(&stread, stdraw);
|
|
}
|
|
|
|
/* If framebuffers were asked for, we'd better have allocated them */
|
|
if ((stdrawi && !stdraw) || (streadi && !stread))
|
|
return false;
|
|
|
|
if (stdraw && stread) {
|
|
st_framebuffer_validate(stdraw, st);
|
|
if (stread != stdraw)
|
|
st_framebuffer_validate(stread, st);
|
|
|
|
ret = _mesa_make_current(st->ctx, stdraw, stread);
|
|
|
|
st->draw_stamp = stdraw->stamp - 1;
|
|
st->read_stamp = stread->stamp - 1;
|
|
st_context_validate(st, stdraw, stread);
|
|
}
|
|
else {
|
|
struct gl_framebuffer *incomplete = _mesa_get_incomplete_framebuffer();
|
|
ret = _mesa_make_current(st->ctx, incomplete, incomplete);
|
|
}
|
|
|
|
_mesa_reference_framebuffer(&stdraw, NULL);
|
|
_mesa_reference_framebuffer(&stread, NULL);
|
|
|
|
/* Purge the context's winsys_buffers list in case any
|
|
* of the referenced drawables no longer exist.
|
|
*/
|
|
st_framebuffers_purge(st);
|
|
}
|
|
else {
|
|
GET_CURRENT_CONTEXT(ctx);
|
|
|
|
if (ctx) {
|
|
/* Before releasing the context, release its associated
|
|
* winsys buffers first. Then purge the context's winsys buffers list
|
|
* to free the resources of any winsys buffers that no longer have
|
|
* an existing drawable.
|
|
*/
|
|
ret = _mesa_make_current(ctx, NULL, NULL);
|
|
st_framebuffers_purge(ctx->st);
|
|
}
|
|
|
|
ret = _mesa_make_current(NULL, NULL, NULL);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
static void
|
|
st_api_destroy(struct st_api *stapi)
|
|
{
|
|
}
|
|
|
|
|
|
/**
|
|
* Flush the front buffer if the current context renders to the front buffer.
|
|
*/
|
|
void
|
|
st_manager_flush_frontbuffer(struct st_context *st)
|
|
{
|
|
struct gl_framebuffer *stfb = st_ws_framebuffer(st->ctx->DrawBuffer);
|
|
struct gl_renderbuffer *rb = NULL;
|
|
|
|
if (!stfb)
|
|
return;
|
|
|
|
/* If the context uses a doublebuffered visual, but the buffer is
|
|
* single-buffered, guess that it's a pbuffer, which doesn't need
|
|
* flushing.
|
|
*/
|
|
if (st->ctx->Visual.doubleBufferMode &&
|
|
!stfb->Visual.doubleBufferMode)
|
|
return;
|
|
|
|
/* Check front buffer used at the GL API level. */
|
|
enum st_attachment_type statt = ST_ATTACHMENT_FRONT_LEFT;
|
|
rb = stfb->Attachment[BUFFER_FRONT_LEFT].Renderbuffer;
|
|
if (!rb) {
|
|
/* Check back buffer redirected by EGL_KHR_mutable_render_buffer. */
|
|
statt = ST_ATTACHMENT_BACK_LEFT;
|
|
rb = stfb->Attachment[BUFFER_BACK_LEFT].Renderbuffer;
|
|
}
|
|
|
|
/* Do we have a front color buffer and has it been drawn to since last
|
|
* frontbuffer flush?
|
|
*/
|
|
if (rb && rb->defined &&
|
|
stfb->iface->flush_front(&st->iface, stfb->iface, statt)) {
|
|
rb->defined = GL_FALSE;
|
|
|
|
/* Trigger an update of rb->defined on next draw */
|
|
st->dirty |= ST_NEW_FB_STATE;
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Re-validate the framebuffers.
|
|
*/
|
|
void
|
|
st_manager_validate_framebuffers(struct st_context *st)
|
|
{
|
|
struct gl_framebuffer *stdraw = st_ws_framebuffer(st->ctx->DrawBuffer);
|
|
struct gl_framebuffer *stread = st_ws_framebuffer(st->ctx->ReadBuffer);
|
|
|
|
if (stdraw)
|
|
st_framebuffer_validate(stdraw, st);
|
|
if (stread && stread != stdraw)
|
|
st_framebuffer_validate(stread, st);
|
|
|
|
st_context_validate(st, stdraw, stread);
|
|
}
|
|
|
|
|
|
/**
|
|
* Flush any outstanding swapbuffers on the current draw framebuffer.
|
|
*/
|
|
void
|
|
st_manager_flush_swapbuffers(void)
|
|
{
|
|
GET_CURRENT_CONTEXT(ctx);
|
|
struct st_context *st = (ctx) ? ctx->st : NULL;
|
|
struct gl_framebuffer *stfb;
|
|
|
|
if (!st)
|
|
return;
|
|
|
|
stfb = st_ws_framebuffer(ctx->DrawBuffer);
|
|
if (!stfb || !stfb->iface->flush_swapbuffers)
|
|
return;
|
|
|
|
stfb->iface->flush_swapbuffers(&st->iface, stfb->iface);
|
|
}
|
|
|
|
|
|
/**
|
|
* Add a color renderbuffer on demand. The FBO must correspond to a window,
|
|
* not a user-created FBO.
|
|
*/
|
|
bool
|
|
st_manager_add_color_renderbuffer(struct gl_context *ctx,
|
|
struct gl_framebuffer *fb,
|
|
gl_buffer_index idx)
|
|
{
|
|
struct gl_framebuffer *stfb = st_ws_framebuffer(fb);
|
|
|
|
/* FBO */
|
|
if (!stfb)
|
|
return false;
|
|
|
|
assert(_mesa_is_winsys_fbo(fb));
|
|
|
|
if (stfb->Attachment[idx].Renderbuffer)
|
|
return true;
|
|
|
|
switch (idx) {
|
|
case BUFFER_FRONT_LEFT:
|
|
case BUFFER_BACK_LEFT:
|
|
case BUFFER_FRONT_RIGHT:
|
|
case BUFFER_BACK_RIGHT:
|
|
break;
|
|
default:
|
|
return false;
|
|
}
|
|
|
|
if (!st_framebuffer_add_renderbuffer(stfb, idx,
|
|
stfb->Visual.sRGBCapable))
|
|
return false;
|
|
|
|
st_framebuffer_update_attachments(stfb);
|
|
|
|
/*
|
|
* Force a call to the frontend manager to validate the
|
|
* new renderbuffer. It might be that there is a window system
|
|
* renderbuffer available.
|
|
*/
|
|
if (stfb->iface)
|
|
stfb->iface_stamp = p_atomic_read(&stfb->iface->stamp) - 1;
|
|
|
|
st_invalidate_buffers(st_context(ctx));
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
static unsigned
|
|
get_version(struct pipe_screen *screen,
|
|
struct st_config_options *options, gl_api api)
|
|
{
|
|
struct gl_constants consts = {0};
|
|
struct gl_extensions extensions = {0};
|
|
GLuint version;
|
|
|
|
if (_mesa_override_gl_version_contextless(&consts, &api, &version)) {
|
|
return version;
|
|
}
|
|
|
|
_mesa_init_constants(&consts, api);
|
|
_mesa_init_extensions(&extensions);
|
|
|
|
st_init_limits(screen, &consts, &extensions);
|
|
st_init_extensions(screen, &consts, &extensions, options, api);
|
|
version = _mesa_get_version(&extensions, &consts, api);
|
|
free(consts.SpirVExtensions);
|
|
return version;
|
|
}
|
|
|
|
|
|
static void
|
|
st_api_query_versions(struct st_api *stapi, struct st_manager *sm,
|
|
struct st_config_options *options,
|
|
int *gl_core_version,
|
|
int *gl_compat_version,
|
|
int *gl_es1_version,
|
|
int *gl_es2_version)
|
|
{
|
|
*gl_core_version = get_version(sm->screen, options, API_OPENGL_CORE);
|
|
*gl_compat_version = get_version(sm->screen, options, API_OPENGL_COMPAT);
|
|
*gl_es1_version = get_version(sm->screen, options, API_OPENGLES);
|
|
*gl_es2_version = get_version(sm->screen, options, API_OPENGLES2);
|
|
}
|
|
|
|
|
|
static const struct st_api st_gl_api = {
|
|
.name = "Mesa " PACKAGE_VERSION,
|
|
.api = ST_API_OPENGL,
|
|
.profile_mask = ST_PROFILE_DEFAULT_MASK |
|
|
ST_PROFILE_OPENGL_CORE_MASK |
|
|
ST_PROFILE_OPENGL_ES1_MASK |
|
|
ST_PROFILE_OPENGL_ES2_MASK |
|
|
0,
|
|
.feature_mask = ST_API_FEATURE_MS_VISUALS_MASK,
|
|
.destroy = st_api_destroy,
|
|
.query_versions = st_api_query_versions,
|
|
.create_context = st_api_create_context,
|
|
.make_current = st_api_make_current,
|
|
.get_current = st_api_get_current,
|
|
.destroy_drawable = st_api_destroy_drawable,
|
|
};
|
|
|
|
|
|
struct st_api *
|
|
st_gl_api_create(void)
|
|
{
|
|
return (struct st_api *) &st_gl_api;
|
|
}
|
|
|
|
void
|
|
st_manager_invalidate_drawables(struct gl_context *ctx)
|
|
{
|
|
struct gl_framebuffer *stdraw;
|
|
struct gl_framebuffer *stread;
|
|
|
|
/*
|
|
* Normally we'd want the frontend manager to mark the drawables
|
|
* invalid only when needed. This will force the frontend manager
|
|
* to revalidate the drawable, rather than just update the context with
|
|
* the latest cached drawable info.
|
|
*/
|
|
|
|
stdraw = st_ws_framebuffer(ctx->DrawBuffer);
|
|
stread = st_ws_framebuffer(ctx->ReadBuffer);
|
|
|
|
if (stdraw)
|
|
stdraw->iface_stamp = p_atomic_read(&stdraw->iface->stamp) - 1;
|
|
if (stread && stread != stdraw)
|
|
stread->iface_stamp = p_atomic_read(&stread->iface->stamp) - 1;
|
|
}
|