dri2.c revision 759cbb751b29b1c6608593841c56e0ad08eb33b0
1651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines/* 2651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines * Mesa 3-D graphics library 3651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines * Version: 7.9 4651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines * 5651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines * Copyright 2009, VMware, Inc. 6651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines * All Rights Reserved. 7651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines * Copyright (C) 2010 LunarG Inc. 8651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines * 9651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines * Permission is hereby granted, free of charge, to any person obtaining a 10651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines * copy of this software and associated documentation files (the "Software"), 11651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines * to deal in the Software without restriction, including without limitation 12651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines * the rights to use, copy, modify, merge, publish, distribute, sublicense, 13651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines * and/or sell copies of the Software, and to permit persons to whom the 14651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines * Software is furnished to do so, subject to the following conditions: 156bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines * 166bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines * The above copyright notice and this permission notice shall be included 17651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines * in all copies or substantial portions of the Software. 18651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines * 19651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 20651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 21651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 22651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN 23651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 24651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines * 26651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines * Authors: 27651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines * Keith Whitwell <keithw@vmware.com> 28651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines * Jakob Bornecrantz <wallbraker@gmail.com> 29651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines * Chia-I Wu <olv@lunarg.com> 30651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines */ 31651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 32651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines#include "util/u_memory.h" 33651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines#include "util/u_inlines.h" 346bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines#include "util/u_format.h" 356bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines#include "util/u_debug.h" 366bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines#include "state_tracker/drm_driver.h" 37651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 38651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines#include "dri_screen.h" 39651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines#include "dri_context.h" 40651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines#include "dri_drawable.h" 41651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines#include "dri2_buffer.h" 42651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 43651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines/** 44651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines * DRI2 flush extension. 45651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines */ 46651f13cea278ec967336033dd032faef0e9fc2ecStephen Hinesstatic void 47651f13cea278ec967336033dd032faef0e9fc2ecStephen Hinesdri2_flush_drawable(__DRIdrawable *dPriv) 48651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines{ 49651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines struct dri_context *ctx = dri_get_current(dPriv->driScreenPriv); 50651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines struct dri_drawable *drawable = dri_drawable(dPriv); 51651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 52651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines struct pipe_resource *ptex = drawable->textures[ST_ATTACHMENT_BACK_LEFT]; 53651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 54651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (ctx) { 55651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (ptex && ctx->pp && drawable->textures[ST_ATTACHMENT_DEPTH_STENCIL]) 56651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines pp_run(ctx->pp, ptex, ptex, drawable->textures[ST_ATTACHMENT_DEPTH_STENCIL]); 57651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 58651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines ctx->st->flush(ctx->st, 0, NULL); 59651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines } 60651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines} 61651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 62651f13cea278ec967336033dd032faef0e9fc2ecStephen Hinesstatic void 63651f13cea278ec967336033dd032faef0e9fc2ecStephen Hinesdri2_invalidate_drawable(__DRIdrawable *dPriv) 64651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines{ 65651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines struct dri_drawable *drawable = dri_drawable(dPriv); 66651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 67651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines dri2InvalidateDrawable(dPriv); 68651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines drawable->dPriv->lastStamp = *drawable->dPriv->pStamp; 69651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 70651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines p_atomic_inc(&drawable->base.stamp); 71651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines} 72651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 73651f13cea278ec967336033dd032faef0e9fc2ecStephen Hinesstatic const __DRI2flushExtension dri2FlushExtension = { 74651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines { __DRI2_FLUSH, __DRI2_FLUSH_VERSION }, 75651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines dri2_flush_drawable, 76651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines dri2_invalidate_drawable, 77651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines}; 78651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 79651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines/** 80651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines * Retrieve __DRIbuffer from the DRI loader. 81651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines */ 826bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesstatic __DRIbuffer * 836bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesdri2_drawable_get_buffers(struct dri_drawable *drawable, 846bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines const enum st_attachment_type *statts, 856bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines unsigned *count) 866bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines{ 876bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines __DRIdrawable *dri_drawable = drawable->dPriv; 886bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines struct __DRIdri2LoaderExtensionRec *loader = drawable->sPriv->dri2.loader; 89651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines boolean with_format; 90651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines __DRIbuffer *buffers; 91ef8225444452a1486bd721f3285301fe84643b00Stephen Hines int num_buffers; 92ef8225444452a1486bd721f3285301fe84643b00Stephen Hines unsigned attachments[10]; 93ef8225444452a1486bd721f3285301fe84643b00Stephen Hines unsigned num_attachments, i; 94ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 95ef8225444452a1486bd721f3285301fe84643b00Stephen Hines assert(loader); 96ef8225444452a1486bd721f3285301fe84643b00Stephen Hines with_format = dri_with_format(drawable->sPriv); 97ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 98ef8225444452a1486bd721f3285301fe84643b00Stephen Hines num_attachments = 0; 99ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 100ef8225444452a1486bd721f3285301fe84643b00Stephen Hines /* for Xserver 1.6.0 (DRI2 version 1) we always need to ask for the front */ 101ef8225444452a1486bd721f3285301fe84643b00Stephen Hines if (!with_format) 102ef8225444452a1486bd721f3285301fe84643b00Stephen Hines attachments[num_attachments++] = __DRI_BUFFER_FRONT_LEFT; 103ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 104ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (i = 0; i < *count; i++) { 105ef8225444452a1486bd721f3285301fe84643b00Stephen Hines enum pipe_format format; 106ef8225444452a1486bd721f3285301fe84643b00Stephen Hines unsigned bind; 107ef8225444452a1486bd721f3285301fe84643b00Stephen Hines int att, bpp; 108ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 109ef8225444452a1486bd721f3285301fe84643b00Stephen Hines dri_drawable_get_format(drawable, statts[i], &format, &bind); 110ef8225444452a1486bd721f3285301fe84643b00Stephen Hines if (format == PIPE_FORMAT_NONE) 111ef8225444452a1486bd721f3285301fe84643b00Stephen Hines continue; 112ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 113ef8225444452a1486bd721f3285301fe84643b00Stephen Hines switch (statts[i]) { 114ef8225444452a1486bd721f3285301fe84643b00Stephen Hines case ST_ATTACHMENT_FRONT_LEFT: 115ef8225444452a1486bd721f3285301fe84643b00Stephen Hines /* already added */ 116651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines if (!with_format) 117651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines continue; 118651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines att = __DRI_BUFFER_FRONT_LEFT; 119651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines break; 1206bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines case ST_ATTACHMENT_BACK_LEFT: 1216bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines att = __DRI_BUFFER_BACK_LEFT; 1226bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines break; 1236bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines case ST_ATTACHMENT_FRONT_RIGHT: 1246bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines att = __DRI_BUFFER_FRONT_RIGHT; 125651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines break; 126651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines case ST_ATTACHMENT_BACK_RIGHT: 1276bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines att = __DRI_BUFFER_BACK_RIGHT; 128651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines break; 129651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines case ST_ATTACHMENT_DEPTH_STENCIL: 130651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines att = __DRI_BUFFER_DEPTH_STENCIL; 131651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines break; 132651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines default: 133651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines att = -1; 1346bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines break; 1356bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines } 1366bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines 1376bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines bpp = util_format_get_blocksizebits(format); 1386bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines 1396bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines if (att >= 0) { 1406bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines attachments[num_attachments++] = att; 141ef8225444452a1486bd721f3285301fe84643b00Stephen Hines if (with_format) { 142ef8225444452a1486bd721f3285301fe84643b00Stephen Hines attachments[num_attachments++] = bpp; 143ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 144ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 145ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 146ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 147ef8225444452a1486bd721f3285301fe84643b00Stephen Hines if (with_format) { 148ef8225444452a1486bd721f3285301fe84643b00Stephen Hines num_attachments /= 2; 149ef8225444452a1486bd721f3285301fe84643b00Stephen Hines buffers = loader->getBuffersWithFormat(dri_drawable, 150ef8225444452a1486bd721f3285301fe84643b00Stephen Hines &dri_drawable->w, &dri_drawable->h, 151ef8225444452a1486bd721f3285301fe84643b00Stephen Hines attachments, num_attachments, 152ef8225444452a1486bd721f3285301fe84643b00Stephen Hines &num_buffers, dri_drawable->loaderPrivate); 1536bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines } 1546bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines else { 1556bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines buffers = loader->getBuffers(dri_drawable, 1566bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines &dri_drawable->w, &dri_drawable->h, 1576bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines attachments, num_attachments, 1586bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines &num_buffers, dri_drawable->loaderPrivate); 1596bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines } 1606bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines 1616bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines if (buffers) { 1626bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines /* set one cliprect to cover the whole dri_drawable */ 1636bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines dri_drawable->x = 0; 1646bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines dri_drawable->y = 0; 1656bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines dri_drawable->backX = 0; 1666bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines dri_drawable->backY = 0; 1676bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines dri_drawable->numClipRects = 1; 1686bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines dri_drawable->pClipRects[0].x1 = 0; 1696bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines dri_drawable->pClipRects[0].y1 = 0; 1706bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines dri_drawable->pClipRects[0].x2 = dri_drawable->w; 1716bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines dri_drawable->pClipRects[0].y2 = dri_drawable->h; 1726bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines dri_drawable->numBackClipRects = 1; 1736bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines dri_drawable->pBackClipRects[0].x1 = 0; 1746bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines dri_drawable->pBackClipRects[0].y1 = 0; 1756bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines dri_drawable->pBackClipRects[0].x2 = dri_drawable->w; 176ef8225444452a1486bd721f3285301fe84643b00Stephen Hines dri_drawable->pBackClipRects[0].y2 = dri_drawable->h; 177ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 178ef8225444452a1486bd721f3285301fe84643b00Stephen Hines *count = num_buffers; 179ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 180ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 181ef8225444452a1486bd721f3285301fe84643b00Stephen Hines return buffers; 182ef8225444452a1486bd721f3285301fe84643b00Stephen Hines} 183ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 1846bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines/** 1856bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines * Process __DRIbuffer and convert them into pipe_resources. 1866bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines */ 1876bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesstatic void 1886bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesdri2_drawable_process_buffers(struct dri_drawable *drawable, 1896bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines __DRIbuffer *buffers, unsigned count) 1906bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines{ 191ef8225444452a1486bd721f3285301fe84643b00Stephen Hines struct dri_screen *screen = dri_screen(drawable->sPriv); 192ef8225444452a1486bd721f3285301fe84643b00Stephen Hines __DRIdrawable *dri_drawable = drawable->dPriv; 193ef8225444452a1486bd721f3285301fe84643b00Stephen Hines struct pipe_resource templ; 194ef8225444452a1486bd721f3285301fe84643b00Stephen Hines struct winsys_handle whandle; 195ef8225444452a1486bd721f3285301fe84643b00Stephen Hines boolean have_depth = FALSE; 196ef8225444452a1486bd721f3285301fe84643b00Stephen Hines unsigned i, bind; 197ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 198ef8225444452a1486bd721f3285301fe84643b00Stephen Hines if (drawable->old_num == count && 199ef8225444452a1486bd721f3285301fe84643b00Stephen Hines drawable->old_w == dri_drawable->w && 200ef8225444452a1486bd721f3285301fe84643b00Stephen Hines drawable->old_h == dri_drawable->h && 201ef8225444452a1486bd721f3285301fe84643b00Stephen Hines memcmp(drawable->old, buffers, sizeof(__DRIbuffer) * count) == 0) 202ef8225444452a1486bd721f3285301fe84643b00Stephen Hines return; 203ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 204ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (i = 0; i < ST_ATTACHMENT_COUNT; i++) 205ef8225444452a1486bd721f3285301fe84643b00Stephen Hines pipe_resource_reference(&drawable->textures[i], NULL); 206ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 207ef8225444452a1486bd721f3285301fe84643b00Stephen Hines memset(&templ, 0, sizeof(templ)); 208ef8225444452a1486bd721f3285301fe84643b00Stephen Hines templ.target = screen->target; 209ef8225444452a1486bd721f3285301fe84643b00Stephen Hines templ.last_level = 0; 210ef8225444452a1486bd721f3285301fe84643b00Stephen Hines templ.width0 = dri_drawable->w; 211ef8225444452a1486bd721f3285301fe84643b00Stephen Hines templ.height0 = dri_drawable->h; 212ef8225444452a1486bd721f3285301fe84643b00Stephen Hines templ.depth0 = 1; 213ef8225444452a1486bd721f3285301fe84643b00Stephen Hines templ.array_size = 1; 214ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 215ef8225444452a1486bd721f3285301fe84643b00Stephen Hines memset(&whandle, 0, sizeof(whandle)); 216ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 217ef8225444452a1486bd721f3285301fe84643b00Stephen Hines for (i = 0; i < count; i++) { 218ef8225444452a1486bd721f3285301fe84643b00Stephen Hines __DRIbuffer *buf = &buffers[i]; 219ef8225444452a1486bd721f3285301fe84643b00Stephen Hines enum st_attachment_type statt; 220ef8225444452a1486bd721f3285301fe84643b00Stephen Hines enum pipe_format format; 221ef8225444452a1486bd721f3285301fe84643b00Stephen Hines 222ef8225444452a1486bd721f3285301fe84643b00Stephen Hines switch (buf->attachment) { 223ef8225444452a1486bd721f3285301fe84643b00Stephen Hines case __DRI_BUFFER_FRONT_LEFT: 224ef8225444452a1486bd721f3285301fe84643b00Stephen Hines if (!screen->auto_fake_front) { 225ef8225444452a1486bd721f3285301fe84643b00Stephen Hines statt = ST_ATTACHMENT_INVALID; 226ef8225444452a1486bd721f3285301fe84643b00Stephen Hines break; 227ef8225444452a1486bd721f3285301fe84643b00Stephen Hines } 228ef8225444452a1486bd721f3285301fe84643b00Stephen Hines /* fallthrough */ 229ef8225444452a1486bd721f3285301fe84643b00Stephen Hines case __DRI_BUFFER_FAKE_FRONT_LEFT: 230ef8225444452a1486bd721f3285301fe84643b00Stephen Hines statt = ST_ATTACHMENT_FRONT_LEFT; 2316bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines break; 2326bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines case __DRI_BUFFER_BACK_LEFT: 2336bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines statt = ST_ATTACHMENT_BACK_LEFT; 2346bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines break; 2356bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines case __DRI_BUFFER_DEPTH: 2366bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines case __DRI_BUFFER_DEPTH_STENCIL: 2376bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines case __DRI_BUFFER_STENCIL: 2386bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines /* use only the first depth/stencil buffer */ 2396bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines if (!have_depth) { 2406bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines have_depth = TRUE; 2416bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines statt = ST_ATTACHMENT_DEPTH_STENCIL; 2426bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines } 2436bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines else { 2446bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines statt = ST_ATTACHMENT_INVALID; 2456bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines } 2466bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines break; 2476bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines default: 2486bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines statt = ST_ATTACHMENT_INVALID; 2496bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines break; 2506bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines } 2516bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines 2526bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines dri_drawable_get_format(drawable, statt, &format, &bind); 2536bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines if (statt == ST_ATTACHMENT_INVALID || format == PIPE_FORMAT_NONE) 2546bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines continue; 2556bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines 2566bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines templ.format = format; 2576bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines templ.bind = bind; 2586bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines whandle.handle = buf->name; 2596bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines whandle.stride = buf->pitch; 2606bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines 2616bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines drawable->textures[statt] = 2626bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines screen->base.screen->resource_from_handle(screen->base.screen, 2636bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines &templ, &whandle); 2646bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines } 2656bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines 2666bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines drawable->old_num = count; 2676bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines drawable->old_w = dri_drawable->w; 2686bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines drawable->old_h = dri_drawable->h; 2696bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines memcpy(drawable->old, buffers, sizeof(__DRIbuffer) * count); 2706bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines} 2716bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines 2726bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesstatic __DRIbuffer * 2736bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hinesdri2_allocate_buffer(__DRIscreen *sPriv, 2746bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines unsigned attachment, unsigned format, 2756bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines int width, int height) 2766bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines{ 2776bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines struct dri_screen *screen = dri_screen(sPriv); 2786bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines struct dri2_buffer *buffer; 2796bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines struct pipe_resource templ; 2806bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines enum pipe_format pf; 2816bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines unsigned bind = 0; 2826bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines struct winsys_handle whandle; 2836bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines 2846bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines switch (attachment) { 2856bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines case __DRI_BUFFER_FRONT_LEFT: 2866bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines case __DRI_BUFFER_FAKE_FRONT_LEFT: 2876bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW; 2886bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines break; 2896bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines case __DRI_BUFFER_BACK_LEFT: 2906bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines bind = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW; 2916bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines break; 2926bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines case __DRI_BUFFER_DEPTH: 2936bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines case __DRI_BUFFER_DEPTH_STENCIL: 2946bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines case __DRI_BUFFER_STENCIL: 2956bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines bind = PIPE_BIND_DEPTH_STENCIL; /* XXX sampler? */ 2966bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines break; 2976bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines } 2986bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines 2996bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines switch (format) { 3006bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines case 32: 3016bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines pf = PIPE_FORMAT_B8G8R8X8_UNORM; 3026bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines break; 3036bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines case 16: 3046bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines pf = PIPE_FORMAT_Z16_UNORM; 3056bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines break; 3066bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines default: 3076bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return NULL; 3086bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines } 3096bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines 3106bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines buffer = CALLOC_STRUCT(dri2_buffer); 3116bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines if (!buffer) 3126bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return NULL; 3136bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines 3146bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines memset(&templ, 0, sizeof(templ)); 3156bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines templ.bind = bind; 3166bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines templ.format = pf; 3176bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines templ.target = PIPE_TEXTURE_2D; 3186bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines templ.last_level = 0; 3196bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines templ.width0 = width; 3206bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines templ.height0 = height; 3216bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines templ.depth0 = 1; 3226bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines templ.array_size = 1; 3236bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines 3246bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines buffer->resource = 3256bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines screen->base.screen->resource_create(screen->base.screen, &templ); 3266bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines if (!buffer->resource) 3276bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines return NULL; 3286bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines 3296bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines memset(&whandle, 0, sizeof(whandle)); 3306bcf27bb9a4b5c3f79cb44c0e4654a6d7619ad89Stephen Hines whandle.type = DRM_API_HANDLE_TYPE_SHARED; 331651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines screen->base.screen->resource_get_handle(screen->base.screen, 332651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines buffer->resource, &whandle); 333 334 buffer->base.attachment = attachment; 335 buffer->base.name = whandle.handle; 336 buffer->base.cpp = util_format_get_blocksize(pf); 337 buffer->base.pitch = whandle.stride; 338 339 return &buffer->base; 340} 341 342static void 343dri2_release_buffer(__DRIscreen *sPriv, __DRIbuffer *bPriv) 344{ 345 struct dri2_buffer *buffer = dri2_buffer(bPriv); 346 347 pipe_resource_reference(&buffer->resource, NULL); 348 FREE(buffer); 349} 350 351/* 352 * Backend functions for st_framebuffer interface. 353 */ 354 355static void 356dri2_allocate_textures(struct dri_drawable *drawable, 357 const enum st_attachment_type *statts, 358 unsigned count) 359{ 360 __DRIbuffer *buffers; 361 unsigned num_buffers = count; 362 363 buffers = dri2_drawable_get_buffers(drawable, statts, &num_buffers); 364 if (buffers) 365 dri2_drawable_process_buffers(drawable, buffers, num_buffers); 366} 367 368static void 369dri2_flush_frontbuffer(struct dri_drawable *drawable, 370 enum st_attachment_type statt) 371{ 372 __DRIdrawable *dri_drawable = drawable->dPriv; 373 struct __DRIdri2LoaderExtensionRec *loader = drawable->sPriv->dri2.loader; 374 375 if (loader->flushFrontBuffer == NULL) 376 return; 377 378 if (statt == ST_ATTACHMENT_FRONT_LEFT) { 379 loader->flushFrontBuffer(dri_drawable, dri_drawable->loaderPrivate); 380 } 381} 382 383static void 384dri2_update_tex_buffer(struct dri_drawable *drawable, 385 struct dri_context *ctx, 386 struct pipe_resource *res) 387{ 388 /* no-op */ 389} 390 391static __DRIimage * 392dri2_lookup_egl_image(struct dri_screen *screen, void *handle) 393{ 394 __DRIimageLookupExtension *loader = screen->sPriv->dri2.image; 395 __DRIimage *img; 396 397 if (!loader->lookupEGLImage) 398 return NULL; 399 400 img = loader->lookupEGLImage(screen->sPriv, 401 handle, screen->sPriv->loaderPrivate); 402 403 return img; 404} 405 406static __DRIimage * 407dri2_create_image_from_name(__DRIscreen *_screen, 408 int width, int height, int format, 409 int name, int pitch, void *loaderPrivate) 410{ 411 struct dri_screen *screen = dri_screen(_screen); 412 __DRIimage *img; 413 struct pipe_resource templ; 414 struct winsys_handle whandle; 415 unsigned tex_usage; 416 enum pipe_format pf; 417 418 tex_usage = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW; 419 420 switch (format) { 421 case __DRI_IMAGE_FORMAT_RGB565: 422 pf = PIPE_FORMAT_B5G6R5_UNORM; 423 break; 424 case __DRI_IMAGE_FORMAT_XRGB8888: 425 pf = PIPE_FORMAT_B8G8R8X8_UNORM; 426 break; 427 case __DRI_IMAGE_FORMAT_ARGB8888: 428 pf = PIPE_FORMAT_B8G8R8A8_UNORM; 429 break; 430 case __DRI_IMAGE_FORMAT_ABGR8888: 431 pf = PIPE_FORMAT_R8G8B8A8_UNORM; 432 break; 433 default: 434 pf = PIPE_FORMAT_NONE; 435 break; 436 } 437 if (pf == PIPE_FORMAT_NONE) 438 return NULL; 439 440 img = CALLOC_STRUCT(__DRIimageRec); 441 if (!img) 442 return NULL; 443 444 memset(&templ, 0, sizeof(templ)); 445 templ.bind = tex_usage; 446 templ.format = pf; 447 templ.target = screen->target; 448 templ.last_level = 0; 449 templ.width0 = width; 450 templ.height0 = height; 451 templ.depth0 = 1; 452 templ.array_size = 1; 453 454 memset(&whandle, 0, sizeof(whandle)); 455 whandle.handle = name; 456 whandle.stride = pitch * util_format_get_blocksize(pf); 457 458 img->texture = screen->base.screen->resource_from_handle(screen->base.screen, 459 &templ, &whandle); 460 if (!img->texture) { 461 FREE(img); 462 return NULL; 463 } 464 465 img->level = 0; 466 img->layer = 0; 467 img->loader_private = loaderPrivate; 468 469 return img; 470} 471 472static __DRIimage * 473dri2_create_image_from_renderbuffer(__DRIcontext *context, 474 int renderbuffer, void *loaderPrivate) 475{ 476 struct dri_context *ctx = dri_context(context); 477 478 if (!ctx->st->get_resource_for_egl_image) 479 return NULL; 480 481 /* TODO */ 482 return NULL; 483} 484 485static __DRIimage * 486dri2_create_image(__DRIscreen *_screen, 487 int width, int height, int format, 488 unsigned int use, void *loaderPrivate) 489{ 490 struct dri_screen *screen = dri_screen(_screen); 491 __DRIimage *img; 492 struct pipe_resource templ; 493 unsigned tex_usage; 494 enum pipe_format pf; 495 496 tex_usage = PIPE_BIND_RENDER_TARGET | PIPE_BIND_SAMPLER_VIEW; 497 if (use & __DRI_IMAGE_USE_SCANOUT) 498 tex_usage |= PIPE_BIND_SCANOUT; 499 if (use & __DRI_IMAGE_USE_SHARE) 500 tex_usage |= PIPE_BIND_SHARED; 501 if (use & __DRI_IMAGE_USE_CURSOR) { 502 if (width != 64 || height != 64) 503 return NULL; 504 tex_usage |= PIPE_BIND_CURSOR; 505 } 506 507 switch (format) { 508 case __DRI_IMAGE_FORMAT_RGB565: 509 pf = PIPE_FORMAT_B5G6R5_UNORM; 510 break; 511 case __DRI_IMAGE_FORMAT_XRGB8888: 512 pf = PIPE_FORMAT_B8G8R8X8_UNORM; 513 break; 514 case __DRI_IMAGE_FORMAT_ARGB8888: 515 pf = PIPE_FORMAT_B8G8R8A8_UNORM; 516 break; 517 case __DRI_IMAGE_FORMAT_ABGR8888: 518 pf = PIPE_FORMAT_R8G8B8A8_UNORM; 519 break; 520 default: 521 pf = PIPE_FORMAT_NONE; 522 break; 523 } 524 if (pf == PIPE_FORMAT_NONE) 525 return NULL; 526 527 img = CALLOC_STRUCT(__DRIimageRec); 528 if (!img) 529 return NULL; 530 531 memset(&templ, 0, sizeof(templ)); 532 templ.bind = tex_usage; 533 templ.format = pf; 534 templ.target = PIPE_TEXTURE_2D; 535 templ.last_level = 0; 536 templ.width0 = width; 537 templ.height0 = height; 538 templ.depth0 = 1; 539 templ.array_size = 1; 540 541 img->texture = screen->base.screen->resource_create(screen->base.screen, &templ); 542 if (!img->texture) { 543 FREE(img); 544 return NULL; 545 } 546 547 img->level = 0; 548 img->layer = 0; 549 550 img->loader_private = loaderPrivate; 551 return img; 552} 553 554static GLboolean 555dri2_query_image(__DRIimage *image, int attrib, int *value) 556{ 557 struct winsys_handle whandle; 558 memset(&whandle, 0, sizeof(whandle)); 559 560 switch (attrib) { 561 case __DRI_IMAGE_ATTRIB_STRIDE: 562 image->texture->screen->resource_get_handle(image->texture->screen, 563 image->texture, &whandle); 564 *value = whandle.stride; 565 return GL_TRUE; 566 case __DRI_IMAGE_ATTRIB_HANDLE: 567 whandle.type = DRM_API_HANDLE_TYPE_KMS; 568 image->texture->screen->resource_get_handle(image->texture->screen, 569 image->texture, &whandle); 570 *value = whandle.handle; 571 return GL_TRUE; 572 case __DRI_IMAGE_ATTRIB_NAME: 573 whandle.type = DRM_API_HANDLE_TYPE_SHARED; 574 image->texture->screen->resource_get_handle(image->texture->screen, 575 image->texture, &whandle); 576 *value = whandle.handle; 577 return GL_TRUE; 578 default: 579 return GL_FALSE; 580 } 581} 582 583static __DRIimage * 584dri2_dup_image(__DRIimage *image, void *loaderPrivate) 585{ 586 __DRIimage *img; 587 588 img = CALLOC_STRUCT(__DRIimageRec); 589 if (!img) 590 return NULL; 591 592 img->texture = NULL; 593 pipe_resource_reference(&img->texture, image->texture); 594 img->level = image->level; 595 img->layer = image->layer; 596 img->loader_private = loaderPrivate; 597 598 return img; 599} 600 601static void 602dri2_destroy_image(__DRIimage *img) 603{ 604 pipe_resource_reference(&img->texture, NULL); 605 FREE(img); 606} 607 608static struct __DRIimageExtensionRec dri2ImageExtension = { 609 { __DRI_IMAGE, __DRI_IMAGE_VERSION }, 610 dri2_create_image_from_name, 611 dri2_create_image_from_renderbuffer, 612 dri2_destroy_image, 613 dri2_create_image, 614 dri2_query_image, 615 dri2_dup_image, 616}; 617 618/* 619 * Backend function init_screen. 620 */ 621 622static const __DRIextension *dri_screen_extensions[] = { 623 &driMediaStreamCounterExtension.base, 624 &driTexBufferExtension.base, 625 &dri2FlushExtension.base, 626 &dri2ImageExtension.base, 627 &dri2ConfigQueryExtension.base, 628 NULL 629}; 630 631static const __DRIextension *dri_screen_extensions_throttle[] = { 632 &driMediaStreamCounterExtension.base, 633 &driTexBufferExtension.base, 634 &dri2FlushExtension.base, 635 &dri2ImageExtension.base, 636 &dri2ConfigQueryExtension.base, 637 &dri2ThrottleExtension.base, 638 NULL 639}; 640 641/** 642 * This is the driver specific part of the createNewScreen entry point. 643 * 644 * Returns the struct gl_config supported by this driver. 645 */ 646static const __DRIconfig ** 647dri2_init_screen(__DRIscreen * sPriv) 648{ 649 const __DRIconfig **configs; 650 struct dri_screen *screen; 651 struct pipe_screen *pscreen; 652 const struct drm_conf_ret *throttle_ret = NULL; 653 654 screen = CALLOC_STRUCT(dri_screen); 655 if (!screen) 656 return NULL; 657 658 screen->sPriv = sPriv; 659 screen->fd = sPriv->fd; 660 661 sPriv->private = (void *)screen; 662 663 pscreen = driver_descriptor.create_screen(screen->fd); 664 if (driver_descriptor.configuration) 665 throttle_ret = driver_descriptor.configuration(DRM_CONF_THROTTLE); 666 667 if (throttle_ret && throttle_ret->val.val_int != -1) { 668 sPriv->extensions = dri_screen_extensions_throttle; 669 screen->default_throttle_frames = throttle_ret->val.val_int; 670 } else 671 sPriv->extensions = dri_screen_extensions; 672 673 /* dri_init_screen_helper checks pscreen for us */ 674 675 configs = dri_init_screen_helper(screen, pscreen, 32); 676 if (!configs) 677 goto fail; 678 679 sPriv->api_mask = 0; 680 if (screen->st_api->profile_mask & ST_PROFILE_DEFAULT_MASK) 681 sPriv->api_mask |= 1 << __DRI_API_OPENGL; 682 if (screen->st_api->profile_mask & ST_PROFILE_OPENGL_ES1_MASK) 683 sPriv->api_mask |= 1 << __DRI_API_GLES; 684 if (screen->st_api->profile_mask & ST_PROFILE_OPENGL_ES2_MASK) 685 sPriv->api_mask |= 1 << __DRI_API_GLES2; 686 687 screen->auto_fake_front = dri_with_format(sPriv); 688 screen->broken_invalidate = !sPriv->dri2.useInvalidate; 689 screen->lookup_egl_image = dri2_lookup_egl_image; 690 691 return configs; 692fail: 693 dri_destroy_screen_helper(screen); 694 FREE(screen); 695 return NULL; 696} 697 698static boolean 699dri2_create_buffer(__DRIscreen * sPriv, 700 __DRIdrawable * dPriv, 701 const struct gl_config * visual, boolean isPixmap) 702{ 703 struct dri_drawable *drawable = NULL; 704 705 if (!dri_create_buffer(sPriv, dPriv, visual, isPixmap)) 706 return FALSE; 707 708 drawable = dPriv->driverPrivate; 709 710 drawable->allocate_textures = dri2_allocate_textures; 711 drawable->flush_frontbuffer = dri2_flush_frontbuffer; 712 drawable->update_tex_buffer = dri2_update_tex_buffer; 713 714 return TRUE; 715} 716 717/** 718 * DRI driver virtual function table. 719 * 720 * DRI versions differ in their implementation of init_screen and swap_buffers. 721 */ 722const struct __DriverAPIRec driDriverAPI = { 723 .InitScreen = NULL, 724 .InitScreen2 = dri2_init_screen, 725 .DestroyScreen = dri_destroy_screen, 726 .CreateContext = dri_create_context, 727 .DestroyContext = dri_destroy_context, 728 .CreateBuffer = dri2_create_buffer, 729 .DestroyBuffer = dri_destroy_buffer, 730 .MakeCurrent = dri_make_current, 731 .UnbindContext = dri_unbind_context, 732 733 .GetSwapInfo = NULL, 734 .GetDrawableMSC = NULL, 735 .WaitForMSC = NULL, 736 737 .SwapBuffers = NULL, 738 .CopySubBuffer = NULL, 739 740 .AllocateBuffer = dri2_allocate_buffer, 741 .ReleaseBuffer = dri2_release_buffer, 742}; 743 744/* This is the table of extensions that the loader will dlsym() for. */ 745PUBLIC const __DRIextension *__driDriverExtensions[] = { 746 &driCoreExtension.base, 747 &driDRI2Extension.base, 748 NULL 749}; 750 751/* vim: set sw=3 ts=8 sts=3 expandtab: */ 752