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/**************************************************************************
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* Copyright 2009, VMware, Inc.
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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
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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**************************************************************************/
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* Author: Keith Whitwell <keithw@vmware.com>
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* Author: Jakob Bornecrantz <wallbraker@gmail.com>
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#include "dri_screen.h"
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#include "dri_context.h"
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#include "dri_drawable.h"
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#include "pipe/p_screen.h"
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#include "util/u_format.h"
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#include "util/u_memory.h"
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#include "util/u_inlines.h"
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dri_st_framebuffer_validate(struct st_framebuffer_iface *stfbi,
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const enum st_attachment_type *statts,
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struct pipe_resource **out)
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struct dri_drawable *drawable =
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(struct dri_drawable *) stfbi->st_manager_private;
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struct dri_screen *screen = dri_screen(drawable->sPriv);
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unsigned statt_mask, new_mask;
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for (i = 0; i < count; i++)
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statt_mask |= (1 << statts[i]);
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/* record newly allocated textures */
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new_mask = (statt_mask & ~drawable->texture_mask);
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* dPriv->pStamp is the server stamp. It should be accessed with a lock, at
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* least for DRI1. dPriv->lastStamp is the client stamp. It has the value
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* of the server stamp when last checked.
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new_stamp = (drawable->texture_stamp != drawable->dPriv->lastStamp);
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if (new_stamp || new_mask || screen->broken_invalidate) {
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if (new_stamp && drawable->update_drawable_info)
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drawable->update_drawable_info(drawable);
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drawable->allocate_textures(drawable, statts, count);
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/* add existing textures */
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for (i = 0; i < ST_ATTACHMENT_COUNT; i++) {
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if (drawable->textures[i])
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statt_mask |= (1 << i);
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drawable->texture_stamp = drawable->dPriv->lastStamp;
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drawable->texture_mask = statt_mask;
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for (i = 0; i < count; i++) {
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pipe_resource_reference(&out[i], drawable->textures[statts[i]]);
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dri_st_framebuffer_flush_front(struct st_framebuffer_iface *stfbi,
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enum st_attachment_type statt)
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struct dri_drawable *drawable =
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(struct dri_drawable *) stfbi->st_manager_private;
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/* XXX remove this and just set the correct one on the framebuffer */
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drawable->flush_frontbuffer(drawable, statt);
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* This is called when we need to set up GL rendering to a new X window.
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dri_create_buffer(__DRIscreen * sPriv,
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__DRIdrawable * dPriv,
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const __GLcontextModes * visual, boolean isPixmap)
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struct dri_screen *screen = sPriv->private;
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struct dri_drawable *drawable = NULL;
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goto fail; /* not implemented */
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drawable = CALLOC_STRUCT(dri_drawable);
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if (drawable == NULL)
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dri_fill_st_visual(&drawable->stvis, screen, visual);
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/* setup the st_framebuffer_iface */
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drawable->base.visual = &drawable->stvis;
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drawable->base.flush_front = dri_st_framebuffer_flush_front;
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drawable->base.validate = dri_st_framebuffer_validate;
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drawable->base.st_manager_private = (void *) drawable;
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drawable->sPriv = sPriv;
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drawable->dPriv = dPriv;
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dPriv->driverPrivate = (void *)drawable;
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dri_destroy_buffer(__DRIdrawable * dPriv)
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struct dri_drawable *drawable = dri_drawable(dPriv);
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pipe_surface_reference(&drawable->drisw_surface, NULL);
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for (i = 0; i < ST_ATTACHMENT_COUNT; i++)
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pipe_resource_reference(&drawable->textures[i], NULL);
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* Validate the texture at an attachment. Allocate the texture if it does not
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* exist. Used by the TFP extension.
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dri_drawable_validate_att(struct dri_drawable *drawable,
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enum st_attachment_type statt)
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enum st_attachment_type statts[ST_ATTACHMENT_COUNT];
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unsigned i, count = 0;
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/* check if buffer already exists */
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if (drawable->texture_mask & (1 << statt))
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/* make sure DRI2 does not destroy existing buffers */
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for (i = 0; i < ST_ATTACHMENT_COUNT; i++) {
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if (drawable->texture_mask & (1 << i)) {
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statts[count++] = statt;
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drawable->texture_stamp = drawable->dPriv->lastStamp - 1;
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drawable->base.validate(&drawable->base, statts, count, NULL);
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* These are used for GLX_EXT_texture_from_pixmap
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dri_set_tex_buffer2(__DRIcontext *pDRICtx, GLint target,
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GLint format, __DRIdrawable *dPriv)
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struct dri_context *ctx = dri_context(pDRICtx);
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struct dri_drawable *drawable = dri_drawable(dPriv);
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struct pipe_resource *pt;
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dri_drawable_validate_att(drawable, ST_ATTACHMENT_FRONT_LEFT);
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pt = drawable->textures[ST_ATTACHMENT_FRONT_LEFT];
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enum pipe_format internal_format = pt->format;
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if (format == __DRI_TEXTURE_FORMAT_RGB) {
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/* only need to cover the formats recognized by dri_fill_st_visual */
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switch (internal_format) {
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case PIPE_FORMAT_B8G8R8A8_UNORM:
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internal_format = PIPE_FORMAT_B8G8R8X8_UNORM;
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case PIPE_FORMAT_A8R8G8B8_UNORM:
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internal_format = PIPE_FORMAT_X8R8G8B8_UNORM;
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ctx->st->teximage(ctx->st,
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(target == GL_TEXTURE_2D) ? ST_TEXTURE_2D : ST_TEXTURE_RECT,
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0, internal_format, pt, FALSE);
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dri_set_tex_buffer(__DRIcontext *pDRICtx, GLint target,
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__DRIdrawable *dPriv)
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dri_set_tex_buffer2(pDRICtx, target, __DRI_TEXTURE_FORMAT_RGBA, dPriv);
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const __DRItexBufferExtension driTexBufferExtension = {
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{ __DRI_TEX_BUFFER, __DRI_TEX_BUFFER_VERSION },
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* Get the format and binding of an attachment.
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dri_drawable_get_format(struct dri_drawable *drawable,
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enum st_attachment_type statt,
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enum pipe_format *format,
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case ST_ATTACHMENT_FRONT_LEFT:
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case ST_ATTACHMENT_BACK_LEFT:
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case ST_ATTACHMENT_FRONT_RIGHT:
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case ST_ATTACHMENT_BACK_RIGHT:
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*format = drawable->stvis.color_format;
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*bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
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case ST_ATTACHMENT_DEPTH_STENCIL:
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*format = drawable->stvis.depth_stencil_format;
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*bind = PIPE_BIND_DEPTH_STENCIL; /* XXX sampler? */
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*format = PIPE_FORMAT_NONE;
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/* vim: set sw=3 ts=8 sts=3 expandtab: */