dri_drawable.c revision a93f9f343a64ce91587af66761399f9d4c180015
1/************************************************************************** 2 * 3 * Copyright 2009, VMware, Inc. 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27/* 28 * Author: Keith Whitwell <keithw@vmware.com> 29 * Author: Jakob Bornecrantz <wallbraker@gmail.com> 30 */ 31 32#include "dri_screen.h" 33#include "dri_context.h" 34#include "dri_drawable.h" 35#include "dri1_helper.h" 36 37#include "pipe/p_screen.h" 38#include "util/u_format.h" 39#include "util/u_memory.h" 40#include "util/u_inlines.h" 41 42 43static boolean 44dri_st_framebuffer_validate(struct st_framebuffer_iface *stfbi, 45 const enum st_attachment_type *statts, 46 unsigned count, 47 struct pipe_resource **out) 48{ 49 struct dri_drawable *drawable = 50 (struct dri_drawable *) stfbi->st_manager_private; 51 struct dri_screen *screen = dri_screen(drawable->sPriv); 52 unsigned statt_mask, new_mask; 53 boolean new_stamp; 54 int i; 55 56 statt_mask = 0x0; 57 for (i = 0; i < count; i++) 58 statt_mask |= (1 << statts[i]); 59 60 /* record newly allocated textures */ 61 new_mask = (statt_mask & ~drawable->texture_mask); 62 63 /* 64 * dPriv->pStamp is the server stamp. It should be accessed with a lock, at 65 * least for DRI1. dPriv->lastStamp is the client stamp. It has the value 66 * of the server stamp when last checked. 67 */ 68 new_stamp = (drawable->texture_stamp != drawable->dPriv->lastStamp); 69 70 if (new_stamp || new_mask || screen->broken_invalidate) { 71 if (new_stamp && screen->update_drawable_info) 72 screen->update_drawable_info(drawable); 73 74 screen->allocate_textures(drawable, statts, count); 75 76 /* add existing textures */ 77 for (i = 0; i < ST_ATTACHMENT_COUNT; i++) { 78 if (drawable->textures[i]) 79 statt_mask |= (1 << i); 80 } 81 82 drawable->texture_stamp = drawable->dPriv->lastStamp; 83 drawable->texture_mask = statt_mask; 84 } 85 86 if (!out) 87 return TRUE; 88 89 for (i = 0; i < count; i++) { 90 out[i] = NULL; 91 pipe_resource_reference(&out[i], drawable->textures[statts[i]]); 92 } 93 94 return TRUE; 95} 96 97static boolean 98dri_st_framebuffer_flush_front(struct st_framebuffer_iface *stfbi, 99 enum st_attachment_type statt) 100{ 101 struct dri_drawable *drawable = 102 (struct dri_drawable *) stfbi->st_manager_private; 103 struct dri_screen *screen = dri_screen(drawable->sPriv); 104 105 /* XXX remove this and just set the correct one on the framebuffer */ 106 screen->flush_frontbuffer(drawable, statt); 107 108 return TRUE; 109} 110 111/** 112 * This is called when we need to set up GL rendering to a new X window. 113 */ 114boolean 115dri_create_buffer(__DRIscreen * sPriv, 116 __DRIdrawable * dPriv, 117 const __GLcontextModes * visual, boolean isPixmap) 118{ 119 struct dri_screen *screen = sPriv->private; 120 struct dri_drawable *drawable = NULL; 121 122 if (isPixmap) 123 goto fail; /* not implemented */ 124 125 drawable = CALLOC_STRUCT(dri_drawable); 126 if (drawable == NULL) 127 goto fail; 128 129 dri_fill_st_visual(&drawable->stvis, screen, visual); 130 131 /* setup the st_framebuffer_iface */ 132 drawable->base.visual = &drawable->stvis; 133 drawable->base.flush_front = dri_st_framebuffer_flush_front; 134 drawable->base.validate = dri_st_framebuffer_validate; 135 drawable->base.st_manager_private = (void *) drawable; 136 137 drawable->sPriv = sPriv; 138 drawable->dPriv = dPriv; 139 dPriv->driverPrivate = (void *)drawable; 140 141 drawable->desired_fences = 2; 142 143 return GL_TRUE; 144fail: 145 FREE(drawable); 146 return GL_FALSE; 147} 148 149void 150dri_destroy_buffer(__DRIdrawable * dPriv) 151{ 152 struct dri_drawable *drawable = dri_drawable(dPriv); 153 int i; 154 155 dri1_swap_fences_clear(drawable); 156 157 dri1_destroy_pipe_surface(drawable); 158 159 for (i = 0; i < ST_ATTACHMENT_COUNT; i++) 160 pipe_resource_reference(&drawable->textures[i], NULL); 161 162 drawable->desired_fences = 0; 163 164 FREE(drawable); 165} 166 167/** 168 * Validate the texture at an attachment. Allocate the texture if it does not 169 * exist. 170 */ 171void 172dri_drawable_validate_att(struct dri_drawable *drawable, 173 enum st_attachment_type statt) 174{ 175 enum st_attachment_type statts[ST_ATTACHMENT_COUNT]; 176 unsigned i, count = 0; 177 178 /* check if buffer already exists */ 179 if (drawable->texture_mask & (1 << statt)) 180 return; 181 182 /* make sure DRI2 does not destroy existing buffers */ 183 for (i = 0; i < ST_ATTACHMENT_COUNT; i++) { 184 if (drawable->texture_mask & (1 << i)) { 185 statts[count++] = i; 186 } 187 } 188 statts[count++] = statt; 189 190 drawable->texture_stamp = drawable->dPriv->lastStamp - 1; 191 192 /* this calles into the manager */ 193 drawable->base.validate(&drawable->base, statts, count, NULL); 194} 195 196/** 197 * Get the format and binding of an attachment. 198 */ 199void 200dri_drawable_get_format(struct dri_drawable *drawable, 201 enum st_attachment_type statt, 202 enum pipe_format *format, 203 unsigned *bind) 204{ 205 switch (statt) { 206 case ST_ATTACHMENT_FRONT_LEFT: 207 case ST_ATTACHMENT_BACK_LEFT: 208 case ST_ATTACHMENT_FRONT_RIGHT: 209 case ST_ATTACHMENT_BACK_RIGHT: 210 *format = drawable->stvis.color_format; 211 *bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW; 212 break; 213 case ST_ATTACHMENT_DEPTH_STENCIL: 214 *format = drawable->stvis.depth_stencil_format; 215 *bind = PIPE_BIND_DEPTH_STENCIL; /* XXX sampler? */ 216 break; 217 default: 218 *format = PIPE_FORMAT_NONE; 219 *bind = 0; 220 break; 221 } 222} 223 224/* vim: set sw=3 ts=8 sts=3 expandtab: */ 225