sp_screen.c revision f9c0ce0e073cd60f632de3a0588a111b92a602dd
14f36cf5858a7e53181c3578685675e15fbfcbb82Brian/************************************************************************** 24f36cf5858a7e53181c3578685675e15fbfcbb82Brian * 34f36cf5858a7e53181c3578685675e15fbfcbb82Brian * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. 44f36cf5858a7e53181c3578685675e15fbfcbb82Brian * All Rights Reserved. 54f36cf5858a7e53181c3578685675e15fbfcbb82Brian * 64f36cf5858a7e53181c3578685675e15fbfcbb82Brian * Permission is hereby granted, free of charge, to any person obtaining a 74f36cf5858a7e53181c3578685675e15fbfcbb82Brian * copy of this software and associated documentation files (the 84f36cf5858a7e53181c3578685675e15fbfcbb82Brian * "Software"), to deal in the Software without restriction, including 94f36cf5858a7e53181c3578685675e15fbfcbb82Brian * without limitation the rights to use, copy, modify, merge, publish, 104f36cf5858a7e53181c3578685675e15fbfcbb82Brian * distribute, sub license, and/or sell copies of the Software, and to 114f36cf5858a7e53181c3578685675e15fbfcbb82Brian * permit persons to whom the Software is furnished to do so, subject to 124f36cf5858a7e53181c3578685675e15fbfcbb82Brian * the following conditions: 134f36cf5858a7e53181c3578685675e15fbfcbb82Brian * 144f36cf5858a7e53181c3578685675e15fbfcbb82Brian * The above copyright notice and this permission notice (including the 154f36cf5858a7e53181c3578685675e15fbfcbb82Brian * next paragraph) shall be included in all copies or substantial portions 164f36cf5858a7e53181c3578685675e15fbfcbb82Brian * of the Software. 174f36cf5858a7e53181c3578685675e15fbfcbb82Brian * 184f36cf5858a7e53181c3578685675e15fbfcbb82Brian * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 194f36cf5858a7e53181c3578685675e15fbfcbb82Brian * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 204f36cf5858a7e53181c3578685675e15fbfcbb82Brian * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 214f36cf5858a7e53181c3578685675e15fbfcbb82Brian * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 224f36cf5858a7e53181c3578685675e15fbfcbb82Brian * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 234f36cf5858a7e53181c3578685675e15fbfcbb82Brian * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 244f36cf5858a7e53181c3578685675e15fbfcbb82Brian * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 254f36cf5858a7e53181c3578685675e15fbfcbb82Brian * 264f36cf5858a7e53181c3578685675e15fbfcbb82Brian **************************************************************************/ 274f36cf5858a7e53181c3578685675e15fbfcbb82Brian 284f36cf5858a7e53181c3578685675e15fbfcbb82Brian 294f25420bdd834e81a3e22733304efc5261c2998aBrian Paul#include "util/u_memory.h" 30969c728095e9a18036989f85610390c55ae61d5eZack Rusin#include "util/u_simple_screen.h" 31adfbba476db1fc55006efb748656ebb1a481d143Zack Rusin#include "pipe/internal/p_winsys_screen.h" 324f36cf5858a7e53181c3578685675e15fbfcbb82Brian#include "pipe/p_defines.h" 334f36cf5858a7e53181c3578685675e15fbfcbb82Brian#include "pipe/p_screen.h" 344f36cf5858a7e53181c3578685675e15fbfcbb82Brian 354f36cf5858a7e53181c3578685675e15fbfcbb82Brian#include "sp_texture.h" 364f36cf5858a7e53181c3578685675e15fbfcbb82Brian#include "sp_winsys.h" 37c9ed86a96483063f3d6789ed16645a3dca77d726Keith Whitwell#include "sp_screen.h" 384f36cf5858a7e53181c3578685675e15fbfcbb82Brian 394f36cf5858a7e53181c3578685675e15fbfcbb82Brian 404f36cf5858a7e53181c3578685675e15fbfcbb82Brianstatic const char * 414f36cf5858a7e53181c3578685675e15fbfcbb82Briansoftpipe_get_vendor(struct pipe_screen *screen) 424f36cf5858a7e53181c3578685675e15fbfcbb82Brian{ 434f36cf5858a7e53181c3578685675e15fbfcbb82Brian return "Tungsten Graphics, Inc."; 444f36cf5858a7e53181c3578685675e15fbfcbb82Brian} 454f36cf5858a7e53181c3578685675e15fbfcbb82Brian 464f36cf5858a7e53181c3578685675e15fbfcbb82Brian 474f36cf5858a7e53181c3578685675e15fbfcbb82Brianstatic const char * 484f36cf5858a7e53181c3578685675e15fbfcbb82Briansoftpipe_get_name(struct pipe_screen *screen) 494f36cf5858a7e53181c3578685675e15fbfcbb82Brian{ 504f36cf5858a7e53181c3578685675e15fbfcbb82Brian return "softpipe"; 514f36cf5858a7e53181c3578685675e15fbfcbb82Brian} 524f36cf5858a7e53181c3578685675e15fbfcbb82Brian 534f36cf5858a7e53181c3578685675e15fbfcbb82Brian 544f36cf5858a7e53181c3578685675e15fbfcbb82Brianstatic int 554f36cf5858a7e53181c3578685675e15fbfcbb82Briansoftpipe_get_param(struct pipe_screen *screen, int param) 564f36cf5858a7e53181c3578685675e15fbfcbb82Brian{ 574f36cf5858a7e53181c3578685675e15fbfcbb82Brian switch (param) { 584f36cf5858a7e53181c3578685675e15fbfcbb82Brian case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS: 5919aed38919d43179a9f9cb0096aba981fabc4481Brian Paul return PIPE_MAX_SAMPLERS; 607eb8b37735a32768487334664d95e98ad06f48dbBrian case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS: 6119aed38919d43179a9f9cb0096aba981fabc4481Brian Paul return PIPE_MAX_SAMPLERS; 624f36cf5858a7e53181c3578685675e15fbfcbb82Brian case PIPE_CAP_NPOT_TEXTURES: 634f36cf5858a7e53181c3578685675e15fbfcbb82Brian return 1; 644f36cf5858a7e53181c3578685675e15fbfcbb82Brian case PIPE_CAP_TWO_SIDED_STENCIL: 654f36cf5858a7e53181c3578685675e15fbfcbb82Brian return 1; 664f36cf5858a7e53181c3578685675e15fbfcbb82Brian case PIPE_CAP_GLSL: 674f36cf5858a7e53181c3578685675e15fbfcbb82Brian return 1; 684f36cf5858a7e53181c3578685675e15fbfcbb82Brian case PIPE_CAP_S3TC: 694f36cf5858a7e53181c3578685675e15fbfcbb82Brian return 0; 704f36cf5858a7e53181c3578685675e15fbfcbb82Brian case PIPE_CAP_ANISOTROPIC_FILTER: 714f36cf5858a7e53181c3578685675e15fbfcbb82Brian return 0; 724f36cf5858a7e53181c3578685675e15fbfcbb82Brian case PIPE_CAP_POINT_SPRITE: 734f36cf5858a7e53181c3578685675e15fbfcbb82Brian return 1; 744f36cf5858a7e53181c3578685675e15fbfcbb82Brian case PIPE_CAP_MAX_RENDER_TARGETS: 75fdd794dcfa33482bdabe7c04ec9df655e0c69bfcBrian return PIPE_MAX_COLOR_BUFS; 764f36cf5858a7e53181c3578685675e15fbfcbb82Brian case PIPE_CAP_OCCLUSION_QUERY: 774f36cf5858a7e53181c3578685675e15fbfcbb82Brian return 1; 78be66a8f43172327e3cdde27281e40377cacbb121Brian Paul case PIPE_CAP_TEXTURE_MIRROR_CLAMP: 79be66a8f43172327e3cdde27281e40377cacbb121Brian Paul return 1; 80be66a8f43172327e3cdde27281e40377cacbb121Brian Paul case PIPE_CAP_TEXTURE_MIRROR_REPEAT: 81be66a8f43172327e3cdde27281e40377cacbb121Brian Paul return 1; 824f36cf5858a7e53181c3578685675e15fbfcbb82Brian case PIPE_CAP_TEXTURE_SHADOW_MAP: 834f36cf5858a7e53181c3578685675e15fbfcbb82Brian return 1; 844f36cf5858a7e53181c3578685675e15fbfcbb82Brian case PIPE_CAP_MAX_TEXTURE_2D_LEVELS: 85fa0ca31586f2523ac65dbf9c1fdca99dfbca7456Brian Paul return 13; /* max 4Kx4K */ 864f36cf5858a7e53181c3578685675e15fbfcbb82Brian case PIPE_CAP_MAX_TEXTURE_3D_LEVELS: 874f36cf5858a7e53181c3578685675e15fbfcbb82Brian return 8; /* max 128x128x128 */ 884f36cf5858a7e53181c3578685675e15fbfcbb82Brian case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS: 89fa0ca31586f2523ac65dbf9c1fdca99dfbca7456Brian Paul return 13; /* max 4Kx4K */ 904f36cf5858a7e53181c3578685675e15fbfcbb82Brian default: 914f36cf5858a7e53181c3578685675e15fbfcbb82Brian return 0; 924f36cf5858a7e53181c3578685675e15fbfcbb82Brian } 934f36cf5858a7e53181c3578685675e15fbfcbb82Brian} 944f36cf5858a7e53181c3578685675e15fbfcbb82Brian 954f36cf5858a7e53181c3578685675e15fbfcbb82Brian 964f36cf5858a7e53181c3578685675e15fbfcbb82Brianstatic float 974f36cf5858a7e53181c3578685675e15fbfcbb82Briansoftpipe_get_paramf(struct pipe_screen *screen, int param) 984f36cf5858a7e53181c3578685675e15fbfcbb82Brian{ 994f36cf5858a7e53181c3578685675e15fbfcbb82Brian switch (param) { 1004f36cf5858a7e53181c3578685675e15fbfcbb82Brian case PIPE_CAP_MAX_LINE_WIDTH: 1014f36cf5858a7e53181c3578685675e15fbfcbb82Brian /* fall-through */ 1024f36cf5858a7e53181c3578685675e15fbfcbb82Brian case PIPE_CAP_MAX_LINE_WIDTH_AA: 1034f36cf5858a7e53181c3578685675e15fbfcbb82Brian return 255.0; /* arbitrary */ 1044f36cf5858a7e53181c3578685675e15fbfcbb82Brian case PIPE_CAP_MAX_POINT_WIDTH: 1054f36cf5858a7e53181c3578685675e15fbfcbb82Brian /* fall-through */ 1064f36cf5858a7e53181c3578685675e15fbfcbb82Brian case PIPE_CAP_MAX_POINT_WIDTH_AA: 1074f36cf5858a7e53181c3578685675e15fbfcbb82Brian return 255.0; /* arbitrary */ 1084f36cf5858a7e53181c3578685675e15fbfcbb82Brian case PIPE_CAP_MAX_TEXTURE_ANISOTROPY: 109f9c0ce0e073cd60f632de3a0588a111b92a602ddBrian Paul return 16.0; /* not actually signficant at this time */ 1104f36cf5858a7e53181c3578685675e15fbfcbb82Brian case PIPE_CAP_MAX_TEXTURE_LOD_BIAS: 1114f36cf5858a7e53181c3578685675e15fbfcbb82Brian return 16.0; /* arbitrary */ 1124f36cf5858a7e53181c3578685675e15fbfcbb82Brian default: 1134f36cf5858a7e53181c3578685675e15fbfcbb82Brian return 0; 1144f36cf5858a7e53181c3578685675e15fbfcbb82Brian } 1154f36cf5858a7e53181c3578685675e15fbfcbb82Brian} 1164f36cf5858a7e53181c3578685675e15fbfcbb82Brian 1174f36cf5858a7e53181c3578685675e15fbfcbb82Brian 118364f8cad0f8f02fd39d9c51ea0774d349121b58dBrian/** 119364f8cad0f8f02fd39d9c51ea0774d349121b58dBrian * Query format support for creating a texture, drawing surface, etc. 120364f8cad0f8f02fd39d9c51ea0774d349121b58dBrian * \param format the format to test 121364f8cad0f8f02fd39d9c51ea0774d349121b58dBrian * \param type one of PIPE_TEXTURE, PIPE_SURFACE 122364f8cad0f8f02fd39d9c51ea0774d349121b58dBrian */ 123364f8cad0f8f02fd39d9c51ea0774d349121b58dBrianstatic boolean 124364f8cad0f8f02fd39d9c51ea0774d349121b58dBriansoftpipe_is_format_supported( struct pipe_screen *screen, 1258aafc03b260ab8923f1b373f7effa75bcdb40a72José Fonseca enum pipe_format format, 1268aafc03b260ab8923f1b373f7effa75bcdb40a72José Fonseca enum pipe_texture_target target, 1278aafc03b260ab8923f1b373f7effa75bcdb40a72José Fonseca unsigned tex_usage, 1288aafc03b260ab8923f1b373f7effa75bcdb40a72José Fonseca unsigned geom_flags ) 129364f8cad0f8f02fd39d9c51ea0774d349121b58dBrian{ 13030320f0afb3ae4409adab662d65475cf9665bc19Brian Paul assert(target == PIPE_TEXTURE_1D || 13130320f0afb3ae4409adab662d65475cf9665bc19Brian Paul target == PIPE_TEXTURE_2D || 13230320f0afb3ae4409adab662d65475cf9665bc19Brian Paul target == PIPE_TEXTURE_3D || 13330320f0afb3ae4409adab662d65475cf9665bc19Brian Paul target == PIPE_TEXTURE_CUBE); 13430320f0afb3ae4409adab662d65475cf9665bc19Brian Paul 1358aafc03b260ab8923f1b373f7effa75bcdb40a72José Fonseca switch(format) { 1368aafc03b260ab8923f1b373f7effa75bcdb40a72José Fonseca case PIPE_FORMAT_DXT1_RGB: 1378aafc03b260ab8923f1b373f7effa75bcdb40a72José Fonseca case PIPE_FORMAT_DXT1_RGBA: 1388aafc03b260ab8923f1b373f7effa75bcdb40a72José Fonseca case PIPE_FORMAT_DXT3_RGBA: 1398aafc03b260ab8923f1b373f7effa75bcdb40a72José Fonseca case PIPE_FORMAT_DXT5_RGBA: 140364f8cad0f8f02fd39d9c51ea0774d349121b58dBrian return FALSE; 1418aafc03b260ab8923f1b373f7effa75bcdb40a72José Fonseca default: 1428aafc03b260ab8923f1b373f7effa75bcdb40a72José Fonseca return TRUE; 143364f8cad0f8f02fd39d9c51ea0774d349121b58dBrian } 144364f8cad0f8f02fd39d9c51ea0774d349121b58dBrian} 145364f8cad0f8f02fd39d9c51ea0774d349121b58dBrian 146364f8cad0f8f02fd39d9c51ea0774d349121b58dBrian 1474f36cf5858a7e53181c3578685675e15fbfcbb82Brianstatic void 1484f36cf5858a7e53181c3578685675e15fbfcbb82Briansoftpipe_destroy_screen( struct pipe_screen *screen ) 1494f36cf5858a7e53181c3578685675e15fbfcbb82Brian{ 1509dcb956a0618931c97693f7c74493cf296cfe86cJosé Fonseca struct pipe_winsys *winsys = screen->winsys; 1519dcb956a0618931c97693f7c74493cf296cfe86cJosé Fonseca 1529dcb956a0618931c97693f7c74493cf296cfe86cJosé Fonseca if(winsys->destroy) 1539dcb956a0618931c97693f7c74493cf296cfe86cJosé Fonseca winsys->destroy(winsys); 1549dcb956a0618931c97693f7c74493cf296cfe86cJosé Fonseca 1554f36cf5858a7e53181c3578685675e15fbfcbb82Brian FREE(screen); 1564f36cf5858a7e53181c3578685675e15fbfcbb82Brian} 1574f36cf5858a7e53181c3578685675e15fbfcbb82Brian 1584f36cf5858a7e53181c3578685675e15fbfcbb82Brian 159c9ed86a96483063f3d6789ed16645a3dca77d726Keith Whitwell 1604f36cf5858a7e53181c3578685675e15fbfcbb82Brian/** 1614f36cf5858a7e53181c3578685675e15fbfcbb82Brian * Create a new pipe_screen object 1624f36cf5858a7e53181c3578685675e15fbfcbb82Brian * Note: we're not presently subclassing pipe_screen (no softpipe_screen). 1634f36cf5858a7e53181c3578685675e15fbfcbb82Brian */ 1644f36cf5858a7e53181c3578685675e15fbfcbb82Brianstruct pipe_screen * 1654f36cf5858a7e53181c3578685675e15fbfcbb82Briansoftpipe_create_screen(struct pipe_winsys *winsys) 1664f36cf5858a7e53181c3578685675e15fbfcbb82Brian{ 167c9ed86a96483063f3d6789ed16645a3dca77d726Keith Whitwell struct softpipe_screen *screen = CALLOC_STRUCT(softpipe_screen); 1684f36cf5858a7e53181c3578685675e15fbfcbb82Brian 1694f36cf5858a7e53181c3578685675e15fbfcbb82Brian if (!screen) 1704f36cf5858a7e53181c3578685675e15fbfcbb82Brian return NULL; 1714f36cf5858a7e53181c3578685675e15fbfcbb82Brian 172c9ed86a96483063f3d6789ed16645a3dca77d726Keith Whitwell screen->base.winsys = winsys; 1734f36cf5858a7e53181c3578685675e15fbfcbb82Brian 174c9ed86a96483063f3d6789ed16645a3dca77d726Keith Whitwell screen->base.destroy = softpipe_destroy_screen; 1754f36cf5858a7e53181c3578685675e15fbfcbb82Brian 176c9ed86a96483063f3d6789ed16645a3dca77d726Keith Whitwell screen->base.get_name = softpipe_get_name; 177c9ed86a96483063f3d6789ed16645a3dca77d726Keith Whitwell screen->base.get_vendor = softpipe_get_vendor; 178c9ed86a96483063f3d6789ed16645a3dca77d726Keith Whitwell screen->base.get_param = softpipe_get_param; 179c9ed86a96483063f3d6789ed16645a3dca77d726Keith Whitwell screen->base.get_paramf = softpipe_get_paramf; 180c9ed86a96483063f3d6789ed16645a3dca77d726Keith Whitwell screen->base.is_format_supported = softpipe_is_format_supported; 1814f36cf5858a7e53181c3578685675e15fbfcbb82Brian 182c9ed86a96483063f3d6789ed16645a3dca77d726Keith Whitwell softpipe_init_screen_texture_funcs(&screen->base); 183969c728095e9a18036989f85610390c55ae61d5eZack Rusin u_simple_screen_init(&screen->base); 1844f36cf5858a7e53181c3578685675e15fbfcbb82Brian 185c9ed86a96483063f3d6789ed16645a3dca77d726Keith Whitwell return &screen->base; 1864f36cf5858a7e53181c3578685675e15fbfcbb82Brian} 187