+++ /dev/null
-/**************************************************************************
- *
- * Copyright 2009, VMware, Inc.
- * All Rights Reserved.
- *
- * 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, sub license, 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 (including the
- * next paragraph) 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 NON-INFRINGEMENT.
- * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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.
- *
- **************************************************************************/
-/*
- * Author: Keith Whitwell <keithw@vmware.com>
- * Author: Jakob Bornecrantz <wallbraker@gmail.com>
- */
-
-#include "dri_screen.h"
-#include "dri_context.h"
-#include "dri_drawable.h"
-
-#include "pipe/p_screen.h"
-#include "util/u_format.h"
-#include "util/u_memory.h"
-#include "util/u_inlines.h"
-
-
-static boolean
-dri_st_framebuffer_validate(struct st_framebuffer_iface *stfbi,
- const enum st_attachment_type *statts,
- unsigned count,
- struct pipe_resource **out)
-{
- struct dri_drawable *drawable =
- (struct dri_drawable *) stfbi->st_manager_private;
- struct dri_screen *screen = dri_screen(drawable->sPriv);
- unsigned statt_mask, new_mask;
- boolean new_stamp;
- int i;
-
- statt_mask = 0x0;
- for (i = 0; i < count; i++)
- statt_mask |= (1 << statts[i]);
-
- /* record newly allocated textures */
- new_mask = (statt_mask & ~drawable->texture_mask);
-
- /*
- * dPriv->pStamp is the server stamp. It should be accessed with a lock, at
- * least for DRI1. dPriv->lastStamp is the client stamp. It has the value
- * of the server stamp when last checked.
- */
- new_stamp = (drawable->texture_stamp != drawable->dPriv->lastStamp);
-
- if (new_stamp || new_mask || screen->broken_invalidate) {
- if (new_stamp && drawable->update_drawable_info)
- drawable->update_drawable_info(drawable);
-
- drawable->allocate_textures(drawable, statts, count);
-
- /* add existing textures */
- for (i = 0; i < ST_ATTACHMENT_COUNT; i++) {
- if (drawable->textures[i])
- statt_mask |= (1 << i);
- }
-
- drawable->texture_stamp = drawable->dPriv->lastStamp;
- drawable->texture_mask = statt_mask;
- }
-
- if (!out)
- return TRUE;
-
- for (i = 0; i < count; i++) {
- out[i] = NULL;
- pipe_resource_reference(&out[i], drawable->textures[statts[i]]);
- }
-
- return TRUE;
-}
-
-static boolean
-dri_st_framebuffer_flush_front(struct st_framebuffer_iface *stfbi,
- enum st_attachment_type statt)
-{
- struct dri_drawable *drawable =
- (struct dri_drawable *) stfbi->st_manager_private;
-
- /* XXX remove this and just set the correct one on the framebuffer */
- drawable->flush_frontbuffer(drawable, statt);
-
- return TRUE;
-}
-
-/**
- * This is called when we need to set up GL rendering to a new X window.
- */
-boolean
-dri_create_buffer(__DRIscreen * sPriv,
- __DRIdrawable * dPriv,
- const struct gl_config * visual, boolean isPixmap)
-{
- struct dri_screen *screen = sPriv->private;
- struct dri_drawable *drawable = NULL;
-
- if (isPixmap)
- goto fail; /* not implemented */
-
- drawable = CALLOC_STRUCT(dri_drawable);
- if (drawable == NULL)
- goto fail;
-
- dri_fill_st_visual(&drawable->stvis, screen, visual);
-
- /* setup the st_framebuffer_iface */
- drawable->base.visual = &drawable->stvis;
- drawable->base.flush_front = dri_st_framebuffer_flush_front;
- drawable->base.validate = dri_st_framebuffer_validate;
- drawable->base.st_manager_private = (void *) drawable;
-
- drawable->screen = screen;
- drawable->sPriv = sPriv;
- drawable->dPriv = dPriv;
- dPriv->driverPrivate = (void *)drawable;
- p_atomic_set(&drawable->base.stamp, 1);
-
- return GL_TRUE;
-fail:
- FREE(drawable);
- return GL_FALSE;
-}
-
-void
-dri_destroy_buffer(__DRIdrawable * dPriv)
-{
- struct dri_drawable *drawable = dri_drawable(dPriv);
- int i;
-
- pipe_surface_reference(&drawable->drisw_surface, NULL);
-
- for (i = 0; i < ST_ATTACHMENT_COUNT; i++)
- pipe_resource_reference(&drawable->textures[i], NULL);
-
- FREE(drawable);
-}
-
-/**
- * Validate the texture at an attachment. Allocate the texture if it does not
- * exist. Used by the TFP extension.
- */
-static void
-dri_drawable_validate_att(struct dri_drawable *drawable,
- enum st_attachment_type statt)
-{
- enum st_attachment_type statts[ST_ATTACHMENT_COUNT];
- unsigned i, count = 0;
-
- /* check if buffer already exists */
- if (drawable->texture_mask & (1 << statt))
- return;
-
- /* make sure DRI2 does not destroy existing buffers */
- for (i = 0; i < ST_ATTACHMENT_COUNT; i++) {
- if (drawable->texture_mask & (1 << i)) {
- statts[count++] = i;
- }
- }
- statts[count++] = statt;
-
- drawable->texture_stamp = drawable->dPriv->lastStamp - 1;
-
- drawable->base.validate(&drawable->base, statts, count, NULL);
-}
-
-/**
- * These are used for GLX_EXT_texture_from_pixmap
- */
-static void
-dri_set_tex_buffer2(__DRIcontext *pDRICtx, GLint target,
- GLint format, __DRIdrawable *dPriv)
-{
- struct dri_context *ctx = dri_context(pDRICtx);
- struct dri_drawable *drawable = dri_drawable(dPriv);
- struct pipe_resource *pt;
-
- dri_drawable_validate_att(drawable, ST_ATTACHMENT_FRONT_LEFT);
-
- pt = drawable->textures[ST_ATTACHMENT_FRONT_LEFT];
-
- if (pt) {
- enum pipe_format internal_format = pt->format;
-
- if (format == __DRI_TEXTURE_FORMAT_RGB) {
- /* only need to cover the formats recognized by dri_fill_st_visual */
- switch (internal_format) {
- case PIPE_FORMAT_B8G8R8A8_UNORM:
- internal_format = PIPE_FORMAT_B8G8R8X8_UNORM;
- break;
- case PIPE_FORMAT_A8R8G8B8_UNORM:
- internal_format = PIPE_FORMAT_X8R8G8B8_UNORM;
- break;
- default:
- break;
- }
- }
-
- ctx->st->teximage(ctx->st,
- (target == GL_TEXTURE_2D) ? ST_TEXTURE_2D : ST_TEXTURE_RECT,
- 0, internal_format, pt, FALSE);
- }
-}
-
-static void
-dri_set_tex_buffer(__DRIcontext *pDRICtx, GLint target,
- __DRIdrawable *dPriv)
-{
- dri_set_tex_buffer2(pDRICtx, target, __DRI_TEXTURE_FORMAT_RGBA, dPriv);
-}
-
-const __DRItexBufferExtension driTexBufferExtension = {
- { __DRI_TEX_BUFFER, __DRI_TEX_BUFFER_VERSION },
- dri_set_tex_buffer,
- dri_set_tex_buffer2,
- NULL,
-};
-
-/**
- * Get the format and binding of an attachment.
- */
-void
-dri_drawable_get_format(struct dri_drawable *drawable,
- enum st_attachment_type statt,
- enum pipe_format *format,
- unsigned *bind)
-{
- switch (statt) {
- case ST_ATTACHMENT_FRONT_LEFT:
- case ST_ATTACHMENT_BACK_LEFT:
- case ST_ATTACHMENT_FRONT_RIGHT:
- case ST_ATTACHMENT_BACK_RIGHT:
- *format = drawable->stvis.color_format;
- *bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW;
- break;
- case ST_ATTACHMENT_DEPTH_STENCIL:
- *format = drawable->stvis.depth_stencil_format;
- *bind = PIPE_BIND_DEPTH_STENCIL; /* XXX sampler? */
- break;
- default:
- *format = PIPE_FORMAT_NONE;
- *bind = 0;
- break;
- }
-}
-
-/* vim: set sw=3 ts=8 sts=3 expandtab: */
projects / mesa.git / commitdiff