st_cb_bitmap.c revision 439c42ae8b652f4fce59e5157c7e598280959684
13ece9ace540447c4f0d340a6f9f27980b54f83fbBrian/************************************************************************** 23ece9ace540447c4f0d340a6f9f27980b54f83fbBrian * 33ece9ace540447c4f0d340a6f9f27980b54f83fbBrian * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. 43ece9ace540447c4f0d340a6f9f27980b54f83fbBrian * All Rights Reserved. 53ece9ace540447c4f0d340a6f9f27980b54f83fbBrian * 63ece9ace540447c4f0d340a6f9f27980b54f83fbBrian * Permission is hereby granted, free of charge, to any person obtaining a 73ece9ace540447c4f0d340a6f9f27980b54f83fbBrian * copy of this software and associated documentation files (the 83ece9ace540447c4f0d340a6f9f27980b54f83fbBrian * "Software"), to deal in the Software without restriction, including 93ece9ace540447c4f0d340a6f9f27980b54f83fbBrian * without limitation the rights to use, copy, modify, merge, publish, 103ece9ace540447c4f0d340a6f9f27980b54f83fbBrian * distribute, sub license, and/or sell copies of the Software, and to 113ece9ace540447c4f0d340a6f9f27980b54f83fbBrian * permit persons to whom the Software is furnished to do so, subject to 123ece9ace540447c4f0d340a6f9f27980b54f83fbBrian * the following conditions: 133ece9ace540447c4f0d340a6f9f27980b54f83fbBrian * 143ece9ace540447c4f0d340a6f9f27980b54f83fbBrian * The above copyright notice and this permission notice (including the 153ece9ace540447c4f0d340a6f9f27980b54f83fbBrian * next paragraph) shall be included in all copies or substantial portions 163ece9ace540447c4f0d340a6f9f27980b54f83fbBrian * of the Software. 173ece9ace540447c4f0d340a6f9f27980b54f83fbBrian * 183ece9ace540447c4f0d340a6f9f27980b54f83fbBrian * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 193ece9ace540447c4f0d340a6f9f27980b54f83fbBrian * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 203ece9ace540447c4f0d340a6f9f27980b54f83fbBrian * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 213ece9ace540447c4f0d340a6f9f27980b54f83fbBrian * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 223ece9ace540447c4f0d340a6f9f27980b54f83fbBrian * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 233ece9ace540447c4f0d340a6f9f27980b54f83fbBrian * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 243ece9ace540447c4f0d340a6f9f27980b54f83fbBrian * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 253ece9ace540447c4f0d340a6f9f27980b54f83fbBrian * 263ece9ace540447c4f0d340a6f9f27980b54f83fbBrian **************************************************************************/ 273ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 283ece9ace540447c4f0d340a6f9f27980b54f83fbBrian /* 293ece9ace540447c4f0d340a6f9f27980b54f83fbBrian * Authors: 303ece9ace540447c4f0d340a6f9f27980b54f83fbBrian * Brian Paul 313ece9ace540447c4f0d340a6f9f27980b54f83fbBrian */ 323ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 333ece9ace540447c4f0d340a6f9f27980b54f83fbBrian#include "main/imports.h" 343ece9ace540447c4f0d340a6f9f27980b54f83fbBrian#include "main/image.h" 35f1626f0bfd2b14ad8ca2afaad2ea8afb539e6491Brian Paul#include "main/bufferobj.h" 363ece9ace540447c4f0d340a6f9f27980b54f83fbBrian#include "main/macros.h" 373ece9ace540447c4f0d340a6f9f27980b54f83fbBrian#include "main/texformat.h" 383ece9ace540447c4f0d340a6f9f27980b54f83fbBrian#include "shader/program.h" 393ece9ace540447c4f0d340a6f9f27980b54f83fbBrian#include "shader/prog_parameter.h" 403ece9ace540447c4f0d340a6f9f27980b54f83fbBrian#include "shader/prog_print.h" 413ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 423ece9ace540447c4f0d340a6f9f27980b54f83fbBrian#include "st_context.h" 433ece9ace540447c4f0d340a6f9f27980b54f83fbBrian#include "st_atom.h" 443ece9ace540447c4f0d340a6f9f27980b54f83fbBrian#include "st_atom_constbuf.h" 453ece9ace540447c4f0d340a6f9f27980b54f83fbBrian#include "st_program.h" 463ece9ace540447c4f0d340a6f9f27980b54f83fbBrian#include "st_cb_bitmap.h" 4722a3d022542fed267d48b48a44e10226d55c8afdBrian Paul#include "st_cb_program.h" 483ece9ace540447c4f0d340a6f9f27980b54f83fbBrian#include "st_mesa_to_tgsi.h" 493ece9ace540447c4f0d340a6f9f27980b54f83fbBrian#include "st_texture.h" 50e50dd26ca6d0eb0d0f97c2780020ea16e3d4a687Thomas Hellstrom#include "st_inlines.h" 51e50dd26ca6d0eb0d0f97c2780020ea16e3d4a687Thomas Hellstrom 523ece9ace540447c4f0d340a6f9f27980b54f83fbBrian#include "pipe/p_context.h" 533ece9ace540447c4f0d340a6f9f27980b54f83fbBrian#include "pipe/p_defines.h" 543ece9ace540447c4f0d340a6f9f27980b54f83fbBrian#include "pipe/p_inlines.h" 554f25420bdd834e81a3e22733304efc5261c2998aBrian Paul#include "util/u_tile.h" 563ece9ace540447c4f0d340a6f9f27980b54f83fbBrian#include "util/u_draw_quad.h" 573ece9ace540447c4f0d340a6f9f27980b54f83fbBrian#include "util/u_simple_shaders.h" 583ece9ace540447c4f0d340a6f9f27980b54f83fbBrian#include "shader/prog_instruction.h" 593ece9ace540447c4f0d340a6f9f27980b54f83fbBrian#include "cso_cache/cso_context.h" 603ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 613ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 623ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 633ece9ace540447c4f0d340a6f9f27980b54f83fbBrian/** 646b0be38a6cfecd2babc7175b0877bed522ca9f72Brian * glBitmaps are drawn as textured quads. The user's bitmap pattern 656b0be38a6cfecd2babc7175b0877bed522ca9f72Brian * is stored in a texture image. An alpha8 texture format is used. 666b0be38a6cfecd2babc7175b0877bed522ca9f72Brian * The fragment shader samples a bit (texel) from the texture, then 676b0be38a6cfecd2babc7175b0877bed522ca9f72Brian * discards the fragment if the bit is off. 686b0be38a6cfecd2babc7175b0877bed522ca9f72Brian * 696b0be38a6cfecd2babc7175b0877bed522ca9f72Brian * Note that we actually store the inverse image of the bitmap to 706b0be38a6cfecd2babc7175b0877bed522ca9f72Brian * simplify the fragment program. An "on" bit gets stored as texel=0x0 716b0be38a6cfecd2babc7175b0877bed522ca9f72Brian * and an "off" bit is stored as texel=0xff. Then we kill the 726b0be38a6cfecd2babc7175b0877bed522ca9f72Brian * fragment if the negated texel value is less than zero. 736b0be38a6cfecd2babc7175b0877bed522ca9f72Brian */ 746b0be38a6cfecd2babc7175b0877bed522ca9f72Brian 756b0be38a6cfecd2babc7175b0877bed522ca9f72Brian 766b0be38a6cfecd2babc7175b0877bed522ca9f72Brian/** 77c62b197b528293abb56b099503344e3cdd7d6c40Brian * The bitmap cache attempts to accumulate multiple glBitmap calls in a 78c62b197b528293abb56b099503344e3cdd7d6c40Brian * buffer which is then rendered en mass upon a flush, state change, etc. 79c62b197b528293abb56b099503344e3cdd7d6c40Brian * A wide, short buffer is used to target the common case of a series 80c62b197b528293abb56b099503344e3cdd7d6c40Brian * of glBitmap calls being used to draw text. 81c62b197b528293abb56b099503344e3cdd7d6c40Brian */ 827292db2138001b48bba006cc08e9ff7091d16559Brianstatic GLboolean UseBitmapCache = GL_TRUE; 83c62b197b528293abb56b099503344e3cdd7d6c40Brian 84c62b197b528293abb56b099503344e3cdd7d6c40Brian 85c62b197b528293abb56b099503344e3cdd7d6c40Brian#define BITMAP_CACHE_WIDTH 512 86c62b197b528293abb56b099503344e3cdd7d6c40Brian#define BITMAP_CACHE_HEIGHT 32 87c62b197b528293abb56b099503344e3cdd7d6c40Brian 88c62b197b528293abb56b099503344e3cdd7d6c40Brianstruct bitmap_cache 89c62b197b528293abb56b099503344e3cdd7d6c40Brian{ 90c62b197b528293abb56b099503344e3cdd7d6c40Brian /** Window pos to render the cached image */ 91c62b197b528293abb56b099503344e3cdd7d6c40Brian GLint xpos, ypos; 92737e34aee598f32f8ff078ba823ed149b282ebc8Brian /** Bounds of region used in window coords */ 93737e34aee598f32f8ff078ba823ed149b282ebc8Brian GLint xmin, ymin, xmax, ymax; 94d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul 95318f00ae9f9bca783d1d3aa7700109402f3e52cbBrian Paul GLfloat color[4]; 96318f00ae9f9bca783d1d3aa7700109402f3e52cbBrian Paul 97c62b197b528293abb56b099503344e3cdd7d6c40Brian struct pipe_texture *texture; 984617981ec72f7985941bee4b03c534d97ff96bc6Michel Dänzer struct pipe_transfer *trans; 99d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul 100737e34aee598f32f8ff078ba823ed149b282ebc8Brian GLboolean empty; 101d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul 102737e34aee598f32f8ff078ba823ed149b282ebc8Brian /** An I8 texture image: */ 103d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul ubyte *buffer; 104c62b197b528293abb56b099503344e3cdd7d6c40Brian}; 105c62b197b528293abb56b099503344e3cdd7d6c40Brian 106c62b197b528293abb56b099503344e3cdd7d6c40Brian 107c62b197b528293abb56b099503344e3cdd7d6c40Brian 108c62b197b528293abb56b099503344e3cdd7d6c40Brian 109c62b197b528293abb56b099503344e3cdd7d6c40Brian/** 1103ece9ace540447c4f0d340a6f9f27980b54f83fbBrian * Make fragment program for glBitmap: 1113ece9ace540447c4f0d340a6f9f27980b54f83fbBrian * Sample the texture and kill the fragment if the bit is 0. 1123ece9ace540447c4f0d340a6f9f27980b54f83fbBrian * This program will be combined with the user's fragment program. 1133ece9ace540447c4f0d340a6f9f27980b54f83fbBrian */ 1143ece9ace540447c4f0d340a6f9f27980b54f83fbBrianstatic struct st_fragment_program * 11533f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paulmake_bitmap_fragment_program(GLcontext *ctx, GLuint samplerIndex) 1163ece9ace540447c4f0d340a6f9f27980b54f83fbBrian{ 1173ece9ace540447c4f0d340a6f9f27980b54f83fbBrian struct st_fragment_program *stfp; 1183ece9ace540447c4f0d340a6f9f27980b54f83fbBrian struct gl_program *p; 1193ece9ace540447c4f0d340a6f9f27980b54f83fbBrian GLuint ic = 0; 1203ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 1213ece9ace540447c4f0d340a6f9f27980b54f83fbBrian p = ctx->Driver.NewProgram(ctx, GL_FRAGMENT_PROGRAM_ARB, 0); 1223ece9ace540447c4f0d340a6f9f27980b54f83fbBrian if (!p) 1233ece9ace540447c4f0d340a6f9f27980b54f83fbBrian return NULL; 1243ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 1256b0be38a6cfecd2babc7175b0877bed522ca9f72Brian p->NumInstructions = 3; 1263ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 1273ece9ace540447c4f0d340a6f9f27980b54f83fbBrian p->Instructions = _mesa_alloc_instructions(p->NumInstructions); 1283ece9ace540447c4f0d340a6f9f27980b54f83fbBrian if (!p->Instructions) { 1293ece9ace540447c4f0d340a6f9f27980b54f83fbBrian ctx->Driver.DeleteProgram(ctx, p); 1303ece9ace540447c4f0d340a6f9f27980b54f83fbBrian return NULL; 1313ece9ace540447c4f0d340a6f9f27980b54f83fbBrian } 1323ece9ace540447c4f0d340a6f9f27980b54f83fbBrian _mesa_init_instructions(p->Instructions, p->NumInstructions); 1333ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 1343ece9ace540447c4f0d340a6f9f27980b54f83fbBrian /* TEX tmp0, fragment.texcoord[0], texture[0], 2D; */ 1353ece9ace540447c4f0d340a6f9f27980b54f83fbBrian p->Instructions[ic].Opcode = OPCODE_TEX; 1363ece9ace540447c4f0d340a6f9f27980b54f83fbBrian p->Instructions[ic].DstReg.File = PROGRAM_TEMPORARY; 1373ece9ace540447c4f0d340a6f9f27980b54f83fbBrian p->Instructions[ic].DstReg.Index = 0; 1383ece9ace540447c4f0d340a6f9f27980b54f83fbBrian p->Instructions[ic].SrcReg[0].File = PROGRAM_INPUT; 1393ece9ace540447c4f0d340a6f9f27980b54f83fbBrian p->Instructions[ic].SrcReg[0].Index = FRAG_ATTRIB_TEX0; 14033f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul p->Instructions[ic].TexSrcUnit = samplerIndex; 1413ece9ace540447c4f0d340a6f9f27980b54f83fbBrian p->Instructions[ic].TexSrcTarget = TEXTURE_2D_INDEX; 1423ece9ace540447c4f0d340a6f9f27980b54f83fbBrian ic++; 1433ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 1446b0be38a6cfecd2babc7175b0877bed522ca9f72Brian /* KIL if -tmp0 < 0 # texel=0 -> keep / texel=0 -> discard */ 1453ece9ace540447c4f0d340a6f9f27980b54f83fbBrian p->Instructions[ic].Opcode = OPCODE_KIL; 1463ece9ace540447c4f0d340a6f9f27980b54f83fbBrian p->Instructions[ic].SrcReg[0].File = PROGRAM_TEMPORARY; 14793d101f0c3b2b7b6909d6f98a0d04b978b4ae29aKeith Whitwell 14893d101f0c3b2b7b6909d6f98a0d04b978b4ae29aKeith Whitwell if (ctx->st->bitmap.tex_format == PIPE_FORMAT_L8_UNORM) 14993d101f0c3b2b7b6909d6f98a0d04b978b4ae29aKeith Whitwell p->Instructions[ic].SrcReg[0].Swizzle = SWIZZLE_XXXX; 15093d101f0c3b2b7b6909d6f98a0d04b978b4ae29aKeith Whitwell 1513ece9ace540447c4f0d340a6f9f27980b54f83fbBrian p->Instructions[ic].SrcReg[0].Index = 0; 1527db7ff878d3e5a6b345228e6eaee4797bb68b360Brian Paul p->Instructions[ic].SrcReg[0].Negate = NEGATE_XYZW; 1533ece9ace540447c4f0d340a6f9f27980b54f83fbBrian ic++; 1543ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 1553ece9ace540447c4f0d340a6f9f27980b54f83fbBrian /* END; */ 1563ece9ace540447c4f0d340a6f9f27980b54f83fbBrian p->Instructions[ic++].Opcode = OPCODE_END; 1573ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 1583ece9ace540447c4f0d340a6f9f27980b54f83fbBrian assert(ic == p->NumInstructions); 1593ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 1603ece9ace540447c4f0d340a6f9f27980b54f83fbBrian p->InputsRead = FRAG_BIT_TEX0; 1613ece9ace540447c4f0d340a6f9f27980b54f83fbBrian p->OutputsWritten = 0x0; 16233f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul p->SamplersUsed = (1 << samplerIndex); 1633ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 1643ece9ace540447c4f0d340a6f9f27980b54f83fbBrian stfp = (struct st_fragment_program *) p; 1653ece9ace540447c4f0d340a6f9f27980b54f83fbBrian stfp->Base.UsesKill = GL_TRUE; 16693d101f0c3b2b7b6909d6f98a0d04b978b4ae29aKeith Whitwell 16793d101f0c3b2b7b6909d6f98a0d04b978b4ae29aKeith Whitwell /* No need to send this incomplete program down to hardware: 16893d101f0c3b2b7b6909d6f98a0d04b978b4ae29aKeith Whitwell * 16993d101f0c3b2b7b6909d6f98a0d04b978b4ae29aKeith Whitwell * st_translate_fragment_program(ctx->st, stfp, NULL); 17093d101f0c3b2b7b6909d6f98a0d04b978b4ae29aKeith Whitwell */ 1713ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 1723ece9ace540447c4f0d340a6f9f27980b54f83fbBrian return stfp; 1733ece9ace540447c4f0d340a6f9f27980b54f83fbBrian} 1743ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 1753ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 17633f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paulstatic int 17733f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paulfind_free_bit(uint bitfield) 17833f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul{ 17933f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul int i; 18033f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul for (i = 0; i < 32; i++) { 18133f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul if ((bitfield & (1 << i)) == 0) { 18233f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul return i; 18333f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul } 18433f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul } 18533f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul return -1; 18633f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul} 18733f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul 18833f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul 1893ece9ace540447c4f0d340a6f9f27980b54f83fbBrian/** 1903ece9ace540447c4f0d340a6f9f27980b54f83fbBrian * Combine basic bitmap fragment program with the user-defined program. 1913ece9ace540447c4f0d340a6f9f27980b54f83fbBrian */ 1923ece9ace540447c4f0d340a6f9f27980b54f83fbBrianstatic struct st_fragment_program * 1933ece9ace540447c4f0d340a6f9f27980b54f83fbBriancombined_bitmap_fragment_program(GLcontext *ctx) 1943ece9ace540447c4f0d340a6f9f27980b54f83fbBrian{ 1953ece9ace540447c4f0d340a6f9f27980b54f83fbBrian struct st_context *st = ctx->st; 19633f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul struct st_fragment_program *stfp = st->fp; 1973ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 19833f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul if (!stfp->bitmap_program) { 19933f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul /* 20033f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul * Generate new program which is the user-defined program prefixed 20133f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul * with the bitmap sampler/kill instructions. 2023ece9ace540447c4f0d340a6f9f27980b54f83fbBrian */ 20333f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul struct st_fragment_program *bitmap_prog; 20433f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul uint sampler; 2053ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 20633f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul sampler = find_free_bit(st->fp->Base.Base.SamplersUsed); 20733f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul bitmap_prog = make_bitmap_fragment_program(ctx, sampler); 20833f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul 20933f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul stfp->bitmap_program = (struct st_fragment_program *) 21033f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul _mesa_combine_programs(ctx, 21133f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul &bitmap_prog->Base.Base, &stfp->Base.Base); 21233f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul stfp->bitmap_program->bitmap_sampler = sampler; 213ac09b0e0eb30f6691e35638f210c04ac0f867ea8Brian Paul 214ac09b0e0eb30f6691e35638f210c04ac0f867ea8Brian Paul /* done with this after combining */ 215ac09b0e0eb30f6691e35638f210c04ac0f867ea8Brian Paul st_reference_fragprog(st, &bitmap_prog, NULL); 216ac09b0e0eb30f6691e35638f210c04ac0f867ea8Brian Paul 2173ece9ace540447c4f0d340a6f9f27980b54f83fbBrian#if 0 2183ece9ace540447c4f0d340a6f9f27980b54f83fbBrian { 21933f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul struct gl_program *p = &stfp->bitmap_program->Base.Base; 2203ece9ace540447c4f0d340a6f9f27980b54f83fbBrian printf("Combined bitmap program:\n"); 2213ece9ace540447c4f0d340a6f9f27980b54f83fbBrian _mesa_print_program(p); 2223ece9ace540447c4f0d340a6f9f27980b54f83fbBrian printf("InputsRead: 0x%x\n", p->InputsRead); 2233ece9ace540447c4f0d340a6f9f27980b54f83fbBrian printf("OutputsWritten: 0x%x\n", p->OutputsWritten); 2243ece9ace540447c4f0d340a6f9f27980b54f83fbBrian _mesa_print_parameter_list(p->Parameters); 2253ece9ace540447c4f0d340a6f9f27980b54f83fbBrian } 2263ece9ace540447c4f0d340a6f9f27980b54f83fbBrian#endif 2273ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 2283ece9ace540447c4f0d340a6f9f27980b54f83fbBrian /* translate to TGSI tokens */ 22933f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul st_translate_fragment_program(st, stfp->bitmap_program, NULL); 2303ece9ace540447c4f0d340a6f9f27980b54f83fbBrian } 2313ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 23233f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul return stfp->bitmap_program; 2333ece9ace540447c4f0d340a6f9f27980b54f83fbBrian} 2343ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 2353ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 2363ece9ace540447c4f0d340a6f9f27980b54f83fbBrian/** 2377146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul * Copy user-provide bitmap bits into texture buffer, expanding 2387146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul * bits into texels. 2397146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul * "On" bits will set texels to 0xff. 2407146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul * "Off" bits will not modify texels. 2417146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul * Note that the image is actually going to be upside down in 2427146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul * the texture. We deal with that with texcoords. 2433ece9ace540447c4f0d340a6f9f27980b54f83fbBrian */ 2447146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paulstatic void 2457146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paulunpack_bitmap(struct st_context *st, 2467146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul GLint px, GLint py, GLsizei width, GLsizei height, 2477146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul const struct gl_pixelstore_attrib *unpack, 2487146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul const GLubyte *bitmap, 2497146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul ubyte *destBuffer, uint destStride) 2503ece9ace540447c4f0d340a6f9f27980b54f83fbBrian{ 2517146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul GLint row, col; 252f1626f0bfd2b14ad8ca2afaad2ea8afb539e6491Brian Paul 2537146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul#define SET_PIXEL(COL, ROW) \ 2547146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul destBuffer[(py + (ROW)) * destStride + px + (COL)] = 0x0; 2553ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 2563ece9ace540447c4f0d340a6f9f27980b54f83fbBrian for (row = 0; row < height; row++) { 2573ece9ace540447c4f0d340a6f9f27980b54f83fbBrian const GLubyte *src = (const GLubyte *) _mesa_image_address2d(unpack, 2583ece9ace540447c4f0d340a6f9f27980b54f83fbBrian bitmap, width, height, GL_COLOR_INDEX, GL_BITMAP, row, 0); 2593ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 2603ece9ace540447c4f0d340a6f9f27980b54f83fbBrian if (unpack->LsbFirst) { 2613ece9ace540447c4f0d340a6f9f27980b54f83fbBrian /* Lsb first */ 2623ece9ace540447c4f0d340a6f9f27980b54f83fbBrian GLubyte mask = 1U << (unpack->SkipPixels & 0x7); 2633ece9ace540447c4f0d340a6f9f27980b54f83fbBrian for (col = 0; col < width; col++) { 2643ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 2657146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul if (*src & mask) { 2667146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul SET_PIXEL(col, row); 2677146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul } 2683ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 2693ece9ace540447c4f0d340a6f9f27980b54f83fbBrian if (mask == 128U) { 2703ece9ace540447c4f0d340a6f9f27980b54f83fbBrian src++; 2713ece9ace540447c4f0d340a6f9f27980b54f83fbBrian mask = 1U; 2723ece9ace540447c4f0d340a6f9f27980b54f83fbBrian } 2733ece9ace540447c4f0d340a6f9f27980b54f83fbBrian else { 2743ece9ace540447c4f0d340a6f9f27980b54f83fbBrian mask = mask << 1; 2753ece9ace540447c4f0d340a6f9f27980b54f83fbBrian } 2763ece9ace540447c4f0d340a6f9f27980b54f83fbBrian } 2773ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 2783ece9ace540447c4f0d340a6f9f27980b54f83fbBrian /* get ready for next row */ 2793ece9ace540447c4f0d340a6f9f27980b54f83fbBrian if (mask != 1) 2803ece9ace540447c4f0d340a6f9f27980b54f83fbBrian src++; 2813ece9ace540447c4f0d340a6f9f27980b54f83fbBrian } 2823ece9ace540447c4f0d340a6f9f27980b54f83fbBrian else { 2833ece9ace540447c4f0d340a6f9f27980b54f83fbBrian /* Msb first */ 2843ece9ace540447c4f0d340a6f9f27980b54f83fbBrian GLubyte mask = 128U >> (unpack->SkipPixels & 0x7); 2853ece9ace540447c4f0d340a6f9f27980b54f83fbBrian for (col = 0; col < width; col++) { 2863ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 2877146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul if (*src & mask) { 2887146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul SET_PIXEL(col, row); 2897146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul } 2903ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 2913ece9ace540447c4f0d340a6f9f27980b54f83fbBrian if (mask == 1U) { 2923ece9ace540447c4f0d340a6f9f27980b54f83fbBrian src++; 2933ece9ace540447c4f0d340a6f9f27980b54f83fbBrian mask = 128U; 2943ece9ace540447c4f0d340a6f9f27980b54f83fbBrian } 2953ece9ace540447c4f0d340a6f9f27980b54f83fbBrian else { 2963ece9ace540447c4f0d340a6f9f27980b54f83fbBrian mask = mask >> 1; 2973ece9ace540447c4f0d340a6f9f27980b54f83fbBrian } 2983ece9ace540447c4f0d340a6f9f27980b54f83fbBrian } 2993ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 3003ece9ace540447c4f0d340a6f9f27980b54f83fbBrian /* get ready for next row */ 3013ece9ace540447c4f0d340a6f9f27980b54f83fbBrian if (mask != 128) 3023ece9ace540447c4f0d340a6f9f27980b54f83fbBrian src++; 3033ece9ace540447c4f0d340a6f9f27980b54f83fbBrian } 3043ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 3053ece9ace540447c4f0d340a6f9f27980b54f83fbBrian } /* row */ 3063ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 3077146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul#undef SET_PIXEL 3087146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul} 3097146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul 3107146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul 3117146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul/** 3127146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul * Create a texture which represents a bitmap image. 3137146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul */ 3147146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paulstatic struct pipe_texture * 3157146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paulmake_bitmap_texture(GLcontext *ctx, GLsizei width, GLsizei height, 3167146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul const struct gl_pixelstore_attrib *unpack, 3177146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul const GLubyte *bitmap) 3187146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul{ 3197146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul struct pipe_context *pipe = ctx->st->pipe; 3207146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul struct pipe_screen *screen = pipe->screen; 3214617981ec72f7985941bee4b03c534d97ff96bc6Michel Dänzer struct pipe_transfer *transfer; 3227146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul ubyte *dest; 3237146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul struct pipe_texture *pt; 3247146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul 3257146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul /* PBO source... */ 3267146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul bitmap = _mesa_map_bitmap_pbo(ctx, unpack, bitmap); 3277146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul if (!bitmap) { 3287146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul return NULL; 3297146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul } 3307146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul 3317146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul /** 3327146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul * Create texture to hold bitmap pattern. 3337146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul */ 3347146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul pt = st_texture_create(ctx->st, PIPE_TEXTURE_2D, ctx->st->bitmap.tex_format, 335f12201567463c7aeb9b76c32f000d577a82e7f92Brian Paul 0, width, height, 1, 336a73ae3d5eb8419feab5aea26573aa41b72f941ebKeith Whitwell PIPE_TEXTURE_USAGE_SAMPLER); 3377146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul if (!pt) { 3387146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul _mesa_unmap_bitmap_pbo(ctx, unpack); 3397146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul return NULL; 3407146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul } 3417146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul 342e50dd26ca6d0eb0d0f97c2780020ea16e3d4a687Thomas Hellstrom transfer = st_no_flush_get_tex_transfer(st_context(ctx), pt, 0, 0, 0, 343e50dd26ca6d0eb0d0f97c2780020ea16e3d4a687Thomas Hellstrom PIPE_TRANSFER_WRITE, 344e50dd26ca6d0eb0d0f97c2780020ea16e3d4a687Thomas Hellstrom 0, 0, width, height); 3457146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul 3464617981ec72f7985941bee4b03c534d97ff96bc6Michel Dänzer dest = screen->transfer_map(screen, transfer); 3477146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul 3484617981ec72f7985941bee4b03c534d97ff96bc6Michel Dänzer /* Put image into texture transfer */ 3494617981ec72f7985941bee4b03c534d97ff96bc6Michel Dänzer memset(dest, 0xff, height * transfer->stride); 3507146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul unpack_bitmap(ctx->st, 0, 0, width, height, unpack, bitmap, 3514617981ec72f7985941bee4b03c534d97ff96bc6Michel Dänzer dest, transfer->stride); 3527146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul 353f1626f0bfd2b14ad8ca2afaad2ea8afb539e6491Brian Paul _mesa_unmap_bitmap_pbo(ctx, unpack); 354f1626f0bfd2b14ad8ca2afaad2ea8afb539e6491Brian Paul 3554617981ec72f7985941bee4b03c534d97ff96bc6Michel Dänzer /* Release transfer */ 3564617981ec72f7985941bee4b03c534d97ff96bc6Michel Dänzer screen->transfer_unmap(screen, transfer); 3575e27cd46c04a9e7b5904cc014bffd0f4daae31feMichel Dänzer screen->tex_transfer_destroy(transfer); 3583ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 3593ece9ace540447c4f0d340a6f9f27980b54f83fbBrian return pt; 3603ece9ace540447c4f0d340a6f9f27980b54f83fbBrian} 3613ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 362d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwellstatic GLuint 3633ece9ace540447c4f0d340a6f9f27980b54f83fbBriansetup_bitmap_vertex_data(struct st_context *st, 3643ece9ace540447c4f0d340a6f9f27980b54f83fbBrian int x, int y, int width, int height, 3653ece9ace540447c4f0d340a6f9f27980b54f83fbBrian float z, const float color[4]) 3663ece9ace540447c4f0d340a6f9f27980b54f83fbBrian{ 3673ece9ace540447c4f0d340a6f9f27980b54f83fbBrian struct pipe_context *pipe = st->pipe; 3683ece9ace540447c4f0d340a6f9f27980b54f83fbBrian const struct gl_framebuffer *fb = st->ctx->DrawBuffer; 36953174afeeb68a79e471185cb463c13ff90af698fJosé Fonseca const GLfloat fb_width = (GLfloat)fb->Width; 37053174afeeb68a79e471185cb463c13ff90af698fJosé Fonseca const GLfloat fb_height = (GLfloat)fb->Height; 37153174afeeb68a79e471185cb463c13ff90af698fJosé Fonseca const GLfloat x0 = (GLfloat)x; 37253174afeeb68a79e471185cb463c13ff90af698fJosé Fonseca const GLfloat x1 = (GLfloat)(x + width); 37353174afeeb68a79e471185cb463c13ff90af698fJosé Fonseca const GLfloat y0 = (GLfloat)y; 37453174afeeb68a79e471185cb463c13ff90af698fJosé Fonseca const GLfloat y1 = (GLfloat)(y + height); 37553174afeeb68a79e471185cb463c13ff90af698fJosé Fonseca const GLfloat sLeft = (GLfloat)0.0, sRight = (GLfloat)1.0; 37653174afeeb68a79e471185cb463c13ff90af698fJosé Fonseca const GLfloat tTop = (GLfloat)0.0, tBot = (GLfloat)1.0 - tTop; 37753174afeeb68a79e471185cb463c13ff90af698fJosé Fonseca const GLfloat clip_x0 = (GLfloat)(x0 / fb_width * 2.0 - 1.0); 37853174afeeb68a79e471185cb463c13ff90af698fJosé Fonseca const GLfloat clip_y0 = (GLfloat)(y0 / fb_height * 2.0 - 1.0); 37953174afeeb68a79e471185cb463c13ff90af698fJosé Fonseca const GLfloat clip_x1 = (GLfloat)(x1 / fb_width * 2.0 - 1.0); 38053174afeeb68a79e471185cb463c13ff90af698fJosé Fonseca const GLfloat clip_y1 = (GLfloat)(y1 / fb_height * 2.0 - 1.0); 381d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell const GLuint max_slots = 4096 / sizeof(st->bitmap.vertices); 3823ece9ace540447c4f0d340a6f9f27980b54f83fbBrian GLuint i; 383d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell 384d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell if (st->bitmap.vbuf_slot >= max_slots) { 3855e27cd46c04a9e7b5904cc014bffd0f4daae31feMichel Dänzer pipe_buffer_reference(&st->bitmap.vbuf, NULL); 386d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell st->bitmap.vbuf_slot = 0; 387d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell } 3883ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 3893ece9ace540447c4f0d340a6f9f27980b54f83fbBrian if (!st->bitmap.vbuf) { 390d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell st->bitmap.vbuf = pipe_buffer_create(pipe->screen, 32, 391d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell PIPE_BUFFER_USAGE_VERTEX, 392d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell max_slots * sizeof(st->bitmap.vertices)); 3933ece9ace540447c4f0d340a6f9f27980b54f83fbBrian } 3943ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 395e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian /* Positions are in clip coords since we need to do clipping in case 396e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian * the bitmap quad goes beyond the window bounds. 397e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian */ 398e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian st->bitmap.vertices[0][0][0] = clip_x0; 399e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian st->bitmap.vertices[0][0][1] = clip_y0; 4003ece9ace540447c4f0d340a6f9f27980b54f83fbBrian st->bitmap.vertices[0][2][0] = sLeft; 4013ece9ace540447c4f0d340a6f9f27980b54f83fbBrian st->bitmap.vertices[0][2][1] = tTop; 4023ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 403e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian st->bitmap.vertices[1][0][0] = clip_x1; 404e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian st->bitmap.vertices[1][0][1] = clip_y0; 4053ece9ace540447c4f0d340a6f9f27980b54f83fbBrian st->bitmap.vertices[1][2][0] = sRight; 4063ece9ace540447c4f0d340a6f9f27980b54f83fbBrian st->bitmap.vertices[1][2][1] = tTop; 4073ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 408e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian st->bitmap.vertices[2][0][0] = clip_x1; 409e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian st->bitmap.vertices[2][0][1] = clip_y1; 4103ece9ace540447c4f0d340a6f9f27980b54f83fbBrian st->bitmap.vertices[2][2][0] = sRight; 4113ece9ace540447c4f0d340a6f9f27980b54f83fbBrian st->bitmap.vertices[2][2][1] = tBot; 4123ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 413e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian st->bitmap.vertices[3][0][0] = clip_x0; 414e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian st->bitmap.vertices[3][0][1] = clip_y1; 4153ece9ace540447c4f0d340a6f9f27980b54f83fbBrian st->bitmap.vertices[3][2][0] = sLeft; 4163ece9ace540447c4f0d340a6f9f27980b54f83fbBrian st->bitmap.vertices[3][2][1] = tBot; 4173ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 4183ece9ace540447c4f0d340a6f9f27980b54f83fbBrian /* same for all verts: */ 4193ece9ace540447c4f0d340a6f9f27980b54f83fbBrian for (i = 0; i < 4; i++) { 4203ece9ace540447c4f0d340a6f9f27980b54f83fbBrian st->bitmap.vertices[i][0][2] = z; 4213ece9ace540447c4f0d340a6f9f27980b54f83fbBrian st->bitmap.vertices[i][0][3] = 1.0; 4223ece9ace540447c4f0d340a6f9f27980b54f83fbBrian st->bitmap.vertices[i][1][0] = color[0]; 4233ece9ace540447c4f0d340a6f9f27980b54f83fbBrian st->bitmap.vertices[i][1][1] = color[1]; 4243ece9ace540447c4f0d340a6f9f27980b54f83fbBrian st->bitmap.vertices[i][1][2] = color[2]; 4253ece9ace540447c4f0d340a6f9f27980b54f83fbBrian st->bitmap.vertices[i][1][3] = color[3]; 4263ece9ace540447c4f0d340a6f9f27980b54f83fbBrian st->bitmap.vertices[i][2][2] = 0.0; /*R*/ 4273ece9ace540447c4f0d340a6f9f27980b54f83fbBrian st->bitmap.vertices[i][2][3] = 1.0; /*Q*/ 4283ece9ace540447c4f0d340a6f9f27980b54f83fbBrian } 4293ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 4303ece9ace540447c4f0d340a6f9f27980b54f83fbBrian /* put vertex data into vbuf */ 431e50dd26ca6d0eb0d0f97c2780020ea16e3d4a687Thomas Hellstrom st_no_flush_pipe_buffer_write(st, 432e50dd26ca6d0eb0d0f97c2780020ea16e3d4a687Thomas Hellstrom st->bitmap.vbuf, 433e50dd26ca6d0eb0d0f97c2780020ea16e3d4a687Thomas Hellstrom st->bitmap.vbuf_slot * sizeof st->bitmap.vertices, 434e50dd26ca6d0eb0d0f97c2780020ea16e3d4a687Thomas Hellstrom sizeof st->bitmap.vertices, 435e50dd26ca6d0eb0d0f97c2780020ea16e3d4a687Thomas Hellstrom st->bitmap.vertices); 436d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell 437d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell return st->bitmap.vbuf_slot++ * sizeof st->bitmap.vertices; 4383ece9ace540447c4f0d340a6f9f27980b54f83fbBrian} 4393ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 4403ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 4413ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 4423ece9ace540447c4f0d340a6f9f27980b54f83fbBrian/** 4433ece9ace540447c4f0d340a6f9f27980b54f83fbBrian * Render a glBitmap by drawing a textured quad 4443ece9ace540447c4f0d340a6f9f27980b54f83fbBrian */ 4453ece9ace540447c4f0d340a6f9f27980b54f83fbBrianstatic void 4463ece9ace540447c4f0d340a6f9f27980b54f83fbBriandraw_bitmap_quad(GLcontext *ctx, GLint x, GLint y, GLfloat z, 4473ece9ace540447c4f0d340a6f9f27980b54f83fbBrian GLsizei width, GLsizei height, 448318f00ae9f9bca783d1d3aa7700109402f3e52cbBrian Paul struct pipe_texture *pt, 449318f00ae9f9bca783d1d3aa7700109402f3e52cbBrian Paul const GLfloat *color) 4503ece9ace540447c4f0d340a6f9f27980b54f83fbBrian{ 4513ece9ace540447c4f0d340a6f9f27980b54f83fbBrian struct st_context *st = ctx->st; 4523ece9ace540447c4f0d340a6f9f27980b54f83fbBrian struct pipe_context *pipe = ctx->st->pipe; 4533ece9ace540447c4f0d340a6f9f27980b54f83fbBrian struct cso_context *cso = ctx->st->cso_context; 454c62b197b528293abb56b099503344e3cdd7d6c40Brian struct st_fragment_program *stfp; 4553ece9ace540447c4f0d340a6f9f27980b54f83fbBrian GLuint maxSize; 456d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell GLuint offset; 4573ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 458c62b197b528293abb56b099503344e3cdd7d6c40Brian stfp = combined_bitmap_fragment_program(ctx); 459c62b197b528293abb56b099503344e3cdd7d6c40Brian 460277089b81ae498f598efdc74fafda9873864ee54Brian Paul /* As an optimization, Mesa's fragment programs will sometimes get the 461277089b81ae498f598efdc74fafda9873864ee54Brian Paul * primary color from a statevar/constant rather than a varying variable. 462277089b81ae498f598efdc74fafda9873864ee54Brian Paul * when that's the case, we need to ensure that we use the 'color' 463277089b81ae498f598efdc74fafda9873864ee54Brian Paul * parameter and not the current attribute color (which may have changed 464277089b81ae498f598efdc74fafda9873864ee54Brian Paul * through glRasterPos and state validation. 465277089b81ae498f598efdc74fafda9873864ee54Brian Paul * So, we force the proper color here. Not elegant, but it works. 466277089b81ae498f598efdc74fafda9873864ee54Brian Paul */ 467277089b81ae498f598efdc74fafda9873864ee54Brian Paul { 468277089b81ae498f598efdc74fafda9873864ee54Brian Paul GLfloat colorSave[4]; 469277089b81ae498f598efdc74fafda9873864ee54Brian Paul COPY_4V(colorSave, ctx->Current.Attrib[VERT_ATTRIB_COLOR0]); 470277089b81ae498f598efdc74fafda9873864ee54Brian Paul COPY_4V(ctx->Current.Attrib[VERT_ATTRIB_COLOR0], color); 471277089b81ae498f598efdc74fafda9873864ee54Brian Paul st_upload_constants(st, stfp->Base.Base.Parameters, PIPE_SHADER_FRAGMENT); 472277089b81ae498f598efdc74fafda9873864ee54Brian Paul COPY_4V(ctx->Current.Attrib[VERT_ATTRIB_COLOR0], colorSave); 473277089b81ae498f598efdc74fafda9873864ee54Brian Paul } 474277089b81ae498f598efdc74fafda9873864ee54Brian Paul 475277089b81ae498f598efdc74fafda9873864ee54Brian Paul 4763ece9ace540447c4f0d340a6f9f27980b54f83fbBrian /* limit checks */ 477c62b197b528293abb56b099503344e3cdd7d6c40Brian /* XXX if the bitmap is larger than the max texture size, break 4783ece9ace540447c4f0d340a6f9f27980b54f83fbBrian * it up into chunks. 4793ece9ace540447c4f0d340a6f9f27980b54f83fbBrian */ 4803ece9ace540447c4f0d340a6f9f27980b54f83fbBrian maxSize = 1 << (pipe->screen->get_param(pipe->screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS) - 1); 48153174afeeb68a79e471185cb463c13ff90af698fJosé Fonseca assert(width <= (GLsizei)maxSize); 48253174afeeb68a79e471185cb463c13ff90af698fJosé Fonseca assert(height <= (GLsizei)maxSize); 4833ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 4843ece9ace540447c4f0d340a6f9f27980b54f83fbBrian cso_save_rasterizer(cso); 485d246274b9c48c01b61490f0a76c22aebb8e64e1eBrian Paul cso_save_samplers(cso); 486ddc0f91bfc571dcd05c13f094c179b4250e53bccBrian cso_save_sampler_textures(cso); 487e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian cso_save_viewport(cso); 48865efe807b9067aa07b382e3c4d9cea6222c5fc6bMichel Dänzer cso_save_fragment_shader(cso); 48965efe807b9067aa07b382e3c4d9cea6222c5fc6bMichel Dänzer cso_save_vertex_shader(cso); 4903ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 4913ece9ace540447c4f0d340a6f9f27980b54f83fbBrian /* rasterizer state: just scissor */ 492e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian st->bitmap.rasterizer.scissor = ctx->Scissor.Enabled; 493e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian cso_set_rasterizer(cso, &st->bitmap.rasterizer); 4943ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 4953ece9ace540447c4f0d340a6f9f27980b54f83fbBrian /* fragment shader state: TEX lookup program */ 49601dfa6cde157321f565bab949f23f367ed20fa0eKeith Whitwell cso_set_fragment_shader_handle(cso, stfp->driver_shader); 4973ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 4983ece9ace540447c4f0d340a6f9f27980b54f83fbBrian /* vertex shader state: position + texcoord pass-through */ 49901dfa6cde157321f565bab949f23f367ed20fa0eKeith Whitwell cso_set_vertex_shader_handle(cso, st->bitmap.vs); 5003ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 50133f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul /* user samplers, plus our bitmap sampler */ 50233f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul { 50333f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul struct pipe_sampler_state *samplers[PIPE_MAX_SAMPLERS]; 50433f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul uint num = MAX2(stfp->bitmap_sampler + 1, st->state.num_samplers); 50533f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul uint i; 50633f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul for (i = 0; i < st->state.num_samplers; i++) { 50733f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul samplers[i] = &st->state.samplers[i]; 50833f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul } 50933f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul samplers[stfp->bitmap_sampler] = &st->bitmap.sampler; 510277089b81ae498f598efdc74fafda9873864ee54Brian Paul cso_set_samplers(cso, num, (const struct pipe_sampler_state **) samplers); 511277089b81ae498f598efdc74fafda9873864ee54Brian Paul } 51233f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul 51333f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul /* user textures, plus the bitmap texture */ 51433f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul { 51533f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul struct pipe_texture *textures[PIPE_MAX_SAMPLERS]; 51633f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul uint num = MAX2(stfp->bitmap_sampler + 1, st->state.num_textures); 51733f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul memcpy(textures, st->state.sampler_texture, sizeof(textures)); 51833f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul textures[stfp->bitmap_sampler] = pt; 51933f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul cso_set_sampler_textures(cso, num, textures); 52033f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul } 521e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian 522e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian /* viewport state: viewport matching window dims */ 5233ece9ace540447c4f0d340a6f9f27980b54f83fbBrian { 524e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian const struct gl_framebuffer *fb = st->ctx->DrawBuffer; 525e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian const GLboolean invert = (st_fb_orientation(fb) == Y_0_TOP); 52653174afeeb68a79e471185cb463c13ff90af698fJosé Fonseca const GLfloat width = (GLfloat)fb->Width; 52753174afeeb68a79e471185cb463c13ff90af698fJosé Fonseca const GLfloat height = (GLfloat)fb->Height; 528e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian struct pipe_viewport_state vp; 5295c1a78b7a85d23ad1358b34d03a0002a19483655José Fonseca vp.scale[0] = 0.5f * width; 5305c1a78b7a85d23ad1358b34d03a0002a19483655José Fonseca vp.scale[1] = height * (invert ? -0.5f : 0.5f); 5315c1a78b7a85d23ad1358b34d03a0002a19483655José Fonseca vp.scale[2] = 1.0f; 5325c1a78b7a85d23ad1358b34d03a0002a19483655José Fonseca vp.scale[3] = 1.0f; 5335c1a78b7a85d23ad1358b34d03a0002a19483655José Fonseca vp.translate[0] = 0.5f * width; 5345c1a78b7a85d23ad1358b34d03a0002a19483655José Fonseca vp.translate[1] = 0.5f * height; 5355c1a78b7a85d23ad1358b34d03a0002a19483655José Fonseca vp.translate[2] = 0.0f; 5365c1a78b7a85d23ad1358b34d03a0002a19483655José Fonseca vp.translate[3] = 0.0f; 537e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian cso_set_viewport(cso, &vp); 5383ece9ace540447c4f0d340a6f9f27980b54f83fbBrian } 5393ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 5403ece9ace540447c4f0d340a6f9f27980b54f83fbBrian /* draw textured quad */ 541d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell offset = setup_bitmap_vertex_data(st, x, y, width, height, 542d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell ctx->Current.RasterPos[2], 543d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell color); 5443ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 545d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell util_draw_vertex_buffer(pipe, st->bitmap.vbuf, offset, 5463ece9ace540447c4f0d340a6f9f27980b54f83fbBrian PIPE_PRIM_TRIANGLE_FAN, 5473ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 4, /* verts */ 5483ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 3); /* attribs/vert */ 5493ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 5503ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 5513ece9ace540447c4f0d340a6f9f27980b54f83fbBrian /* restore state */ 5523ece9ace540447c4f0d340a6f9f27980b54f83fbBrian cso_restore_rasterizer(cso); 5533ece9ace540447c4f0d340a6f9f27980b54f83fbBrian cso_restore_samplers(cso); 554ddc0f91bfc571dcd05c13f094c179b4250e53bccBrian cso_restore_sampler_textures(cso); 555e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian cso_restore_viewport(cso); 556fd4acd6fdaaad4871327d081f5501680ed9da2edMichel Dänzer cso_restore_fragment_shader(cso); 557fd4acd6fdaaad4871327d081f5501680ed9da2edMichel Dänzer cso_restore_vertex_shader(cso); 5583ece9ace540447c4f0d340a6f9f27980b54f83fbBrian} 5593ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 5603ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 561737e34aee598f32f8ff078ba823ed149b282ebc8Brianstatic void 562737e34aee598f32f8ff078ba823ed149b282ebc8Brianreset_cache(struct st_context *st) 563737e34aee598f32f8ff078ba823ed149b282ebc8Brian{ 564d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul struct pipe_context *pipe = st->pipe; 565d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul struct pipe_screen *screen = pipe->screen; 566d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul struct bitmap_cache *cache = st->bitmap.cache; 567737e34aee598f32f8ff078ba823ed149b282ebc8Brian 568d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul //memset(cache->buffer, 0xff, sizeof(cache->buffer)); 569d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul cache->empty = GL_TRUE; 570737e34aee598f32f8ff078ba823ed149b282ebc8Brian 571d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul cache->xmin = 1000000; 572d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul cache->xmax = -1000000; 573d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul cache->ymin = 1000000; 574d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul cache->ymax = -1000000; 5753ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 576439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz if (cache->trans) { 5775e27cd46c04a9e7b5904cc014bffd0f4daae31feMichel Dänzer screen->tex_transfer_destroy(cache->trans); 578439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz cache->trans = NULL; 579439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz } 5802212c214f1890091c102d4cb3c69ec2df2132322Brian Paul 581d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul assert(!cache->texture); 582c62b197b528293abb56b099503344e3cdd7d6c40Brian 583d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul /* allocate a new texture */ 584d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul cache->texture = st_texture_create(st, PIPE_TEXTURE_2D, 585d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul st->bitmap.tex_format, 0, 586d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul BITMAP_CACHE_WIDTH, BITMAP_CACHE_HEIGHT, 587f12201567463c7aeb9b76c32f000d577a82e7f92Brian Paul 1, PIPE_TEXTURE_USAGE_SAMPLER); 588c62b197b528293abb56b099503344e3cdd7d6c40Brian 589439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz} 590439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz 591439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantzstatic void 592439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantzcreate_cache_trans(struct st_context *st) 593439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz{ 594439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz struct pipe_context *pipe = st->pipe; 595439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz struct pipe_screen *screen = pipe->screen; 596439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz struct bitmap_cache *cache = st->bitmap.cache; 597439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz 598439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz if (cache->trans) 599439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz return; 600439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz 6014617981ec72f7985941bee4b03c534d97ff96bc6Michel Dänzer /* Map the texture transfer. 602d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul * Subsequent glBitmap calls will write into the texture image. 603d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul */ 604e50dd26ca6d0eb0d0f97c2780020ea16e3d4a687Thomas Hellstrom cache->trans = st_no_flush_get_tex_transfer(st, cache->texture, 0, 0, 0, 605e50dd26ca6d0eb0d0f97c2780020ea16e3d4a687Thomas Hellstrom PIPE_TRANSFER_WRITE, 0, 0, 606e50dd26ca6d0eb0d0f97c2780020ea16e3d4a687Thomas Hellstrom BITMAP_CACHE_WIDTH, 607e50dd26ca6d0eb0d0f97c2780020ea16e3d4a687Thomas Hellstrom BITMAP_CACHE_HEIGHT); 6084617981ec72f7985941bee4b03c534d97ff96bc6Michel Dänzer cache->buffer = screen->transfer_map(screen, cache->trans); 609d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul 610d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul /* init image to all 0xff */ 6114617981ec72f7985941bee4b03c534d97ff96bc6Michel Dänzer memset(cache->buffer, 0xff, cache->trans->stride * BITMAP_CACHE_HEIGHT); 612c62b197b528293abb56b099503344e3cdd7d6c40Brian} 613c62b197b528293abb56b099503344e3cdd7d6c40Brian 614c62b197b528293abb56b099503344e3cdd7d6c40Brian 615c62b197b528293abb56b099503344e3cdd7d6c40Brian/** 616c62b197b528293abb56b099503344e3cdd7d6c40Brian * If there's anything in the bitmap cache, draw/flush it now. 617c62b197b528293abb56b099503344e3cdd7d6c40Brian */ 618c62b197b528293abb56b099503344e3cdd7d6c40Brianvoid 619c62b197b528293abb56b099503344e3cdd7d6c40Brianst_flush_bitmap_cache(struct st_context *st) 620c62b197b528293abb56b099503344e3cdd7d6c40Brian{ 621c62b197b528293abb56b099503344e3cdd7d6c40Brian if (!st->bitmap.cache->empty) { 62244a7bd0019b9af9ff01336df0aa6eb206f5dc2e9Michel Dänzer struct bitmap_cache *cache = st->bitmap.cache; 62344a7bd0019b9af9ff01336df0aa6eb206f5dc2e9Michel Dänzer 624985134211d9fbfe9b7885beeeb85fdcf2ab78f87Brian Paul if (st->ctx->DrawBuffer) { 625985134211d9fbfe9b7885beeeb85fdcf2ab78f87Brian Paul struct pipe_context *pipe = st->pipe; 626c9ed86a96483063f3d6789ed16645a3dca77d726Keith Whitwell struct pipe_screen *screen = pipe->screen; 627985134211d9fbfe9b7885beeeb85fdcf2ab78f87Brian Paul 628985134211d9fbfe9b7885beeeb85fdcf2ab78f87Brian Paul assert(cache->xmin <= cache->xmax); 629d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell 630d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell/* printf("flush size %d x %d at %d, %d\n", 631985134211d9fbfe9b7885beeeb85fdcf2ab78f87Brian Paul cache->xmax - cache->xmin, 632985134211d9fbfe9b7885beeeb85fdcf2ab78f87Brian Paul cache->ymax - cache->ymin, 633985134211d9fbfe9b7885beeeb85fdcf2ab78f87Brian Paul cache->xpos, cache->ypos); 634d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell*/ 635985134211d9fbfe9b7885beeeb85fdcf2ab78f87Brian Paul 6364617981ec72f7985941bee4b03c534d97ff96bc6Michel Dänzer /* The texture transfer has been mapped until now. 6374617981ec72f7985941bee4b03c534d97ff96bc6Michel Dänzer * So unmap and release the texture transfer before drawing. 6386fb40092261b891b78e504f453fddf041f9efac6Brian Paul */ 639439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz if (cache->trans) { 640439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz screen->transfer_unmap(screen, cache->trans); 641439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz cache->buffer = NULL; 6422212c214f1890091c102d4cb3c69ec2df2132322Brian Paul 643439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz screen->tex_transfer_destroy(cache->trans); 644439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz cache->trans = NULL; 645439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz } 6466fb40092261b891b78e504f453fddf041f9efac6Brian Paul 647985134211d9fbfe9b7885beeeb85fdcf2ab78f87Brian Paul draw_bitmap_quad(st->ctx, 648985134211d9fbfe9b7885beeeb85fdcf2ab78f87Brian Paul cache->xpos, 649985134211d9fbfe9b7885beeeb85fdcf2ab78f87Brian Paul cache->ypos, 650985134211d9fbfe9b7885beeeb85fdcf2ab78f87Brian Paul st->ctx->Current.RasterPos[2], 651985134211d9fbfe9b7885beeeb85fdcf2ab78f87Brian Paul BITMAP_CACHE_WIDTH, BITMAP_CACHE_HEIGHT, 652318f00ae9f9bca783d1d3aa7700109402f3e52cbBrian Paul cache->texture, 653318f00ae9f9bca783d1d3aa7700109402f3e52cbBrian Paul cache->color); 654985134211d9fbfe9b7885beeeb85fdcf2ab78f87Brian Paul } 65544a7bd0019b9af9ff01336df0aa6eb206f5dc2e9Michel Dänzer 65644a7bd0019b9af9ff01336df0aa6eb206f5dc2e9Michel Dänzer /* release/free the texture */ 65744a7bd0019b9af9ff01336df0aa6eb206f5dc2e9Michel Dänzer pipe_texture_reference(&cache->texture, NULL); 65844a7bd0019b9af9ff01336df0aa6eb206f5dc2e9Michel Dänzer 659737e34aee598f32f8ff078ba823ed149b282ebc8Brian reset_cache(st); 660c62b197b528293abb56b099503344e3cdd7d6c40Brian } 661c62b197b528293abb56b099503344e3cdd7d6c40Brian} 662c62b197b528293abb56b099503344e3cdd7d6c40Brian 663d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell/* Flush bitmap cache and release vertex buffer. 664d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell */ 665d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwellvoid 666d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwellst_flush_bitmap( struct st_context *st ) 667d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell{ 668d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell st_flush_bitmap_cache(st); 669d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell 670d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell /* Release vertex buffer to avoid synchronous rendering if we were 671d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell * to map it in the next frame. 672d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell */ 6735e27cd46c04a9e7b5904cc014bffd0f4daae31feMichel Dänzer pipe_buffer_reference(&st->bitmap.vbuf, NULL); 674d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell st->bitmap.vbuf_slot = 0; 675d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell} 676d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell 677c62b197b528293abb56b099503344e3cdd7d6c40Brian 678c62b197b528293abb56b099503344e3cdd7d6c40Brian/** 679c62b197b528293abb56b099503344e3cdd7d6c40Brian * Try to accumulate this glBitmap call in the bitmap cache. 680c62b197b528293abb56b099503344e3cdd7d6c40Brian * \return GL_TRUE for success, GL_FALSE if bitmap is too large, etc. 681c62b197b528293abb56b099503344e3cdd7d6c40Brian */ 682c62b197b528293abb56b099503344e3cdd7d6c40Brianstatic GLboolean 683c62b197b528293abb56b099503344e3cdd7d6c40Brianaccum_bitmap(struct st_context *st, 684c62b197b528293abb56b099503344e3cdd7d6c40Brian GLint x, GLint y, GLsizei width, GLsizei height, 685c62b197b528293abb56b099503344e3cdd7d6c40Brian const struct gl_pixelstore_attrib *unpack, 686c62b197b528293abb56b099503344e3cdd7d6c40Brian const GLubyte *bitmap ) 687c62b197b528293abb56b099503344e3cdd7d6c40Brian{ 688737e34aee598f32f8ff078ba823ed149b282ebc8Brian struct bitmap_cache *cache = st->bitmap.cache; 689c62b197b528293abb56b099503344e3cdd7d6c40Brian int px = -999, py; 690c62b197b528293abb56b099503344e3cdd7d6c40Brian 691c62b197b528293abb56b099503344e3cdd7d6c40Brian if (width > BITMAP_CACHE_WIDTH || 692c62b197b528293abb56b099503344e3cdd7d6c40Brian height > BITMAP_CACHE_HEIGHT) 693c62b197b528293abb56b099503344e3cdd7d6c40Brian return GL_FALSE; /* too big to cache */ 694c62b197b528293abb56b099503344e3cdd7d6c40Brian 695737e34aee598f32f8ff078ba823ed149b282ebc8Brian if (!cache->empty) { 696737e34aee598f32f8ff078ba823ed149b282ebc8Brian px = x - cache->xpos; /* pos in buffer */ 697737e34aee598f32f8ff078ba823ed149b282ebc8Brian py = y - cache->ypos; 698c62b197b528293abb56b099503344e3cdd7d6c40Brian if (px < 0 || px + width > BITMAP_CACHE_WIDTH || 699318f00ae9f9bca783d1d3aa7700109402f3e52cbBrian Paul py < 0 || py + height > BITMAP_CACHE_HEIGHT || 700318f00ae9f9bca783d1d3aa7700109402f3e52cbBrian Paul !TEST_EQ_4V(st->ctx->Current.RasterColor, cache->color)) { 701318f00ae9f9bca783d1d3aa7700109402f3e52cbBrian Paul /* This bitmap would extend beyond cache bounds, or the bitmap 702318f00ae9f9bca783d1d3aa7700109402f3e52cbBrian Paul * color is changing 703c62b197b528293abb56b099503344e3cdd7d6c40Brian * so flush and continue. 704c62b197b528293abb56b099503344e3cdd7d6c40Brian */ 705c62b197b528293abb56b099503344e3cdd7d6c40Brian st_flush_bitmap_cache(st); 706c62b197b528293abb56b099503344e3cdd7d6c40Brian } 707c62b197b528293abb56b099503344e3cdd7d6c40Brian } 708c62b197b528293abb56b099503344e3cdd7d6c40Brian 709737e34aee598f32f8ff078ba823ed149b282ebc8Brian if (cache->empty) { 710c62b197b528293abb56b099503344e3cdd7d6c40Brian /* Initialize. Center bitmap vertically in the buffer. */ 711c62b197b528293abb56b099503344e3cdd7d6c40Brian px = 0; 712c62b197b528293abb56b099503344e3cdd7d6c40Brian py = (BITMAP_CACHE_HEIGHT - height) / 2; 713737e34aee598f32f8ff078ba823ed149b282ebc8Brian cache->xpos = x; 714737e34aee598f32f8ff078ba823ed149b282ebc8Brian cache->ypos = y - py; 715737e34aee598f32f8ff078ba823ed149b282ebc8Brian cache->empty = GL_FALSE; 716318f00ae9f9bca783d1d3aa7700109402f3e52cbBrian Paul COPY_4FV(cache->color, st->ctx->Current.RasterColor); 717c62b197b528293abb56b099503344e3cdd7d6c40Brian } 718c62b197b528293abb56b099503344e3cdd7d6c40Brian 719c62b197b528293abb56b099503344e3cdd7d6c40Brian assert(px != -999); 720c62b197b528293abb56b099503344e3cdd7d6c40Brian 721737e34aee598f32f8ff078ba823ed149b282ebc8Brian if (x < cache->xmin) 722737e34aee598f32f8ff078ba823ed149b282ebc8Brian cache->xmin = x; 723737e34aee598f32f8ff078ba823ed149b282ebc8Brian if (y < cache->ymin) 724737e34aee598f32f8ff078ba823ed149b282ebc8Brian cache->ymin = y; 725737e34aee598f32f8ff078ba823ed149b282ebc8Brian if (x + width > cache->xmax) 726737e34aee598f32f8ff078ba823ed149b282ebc8Brian cache->xmax = x + width; 727737e34aee598f32f8ff078ba823ed149b282ebc8Brian if (y + height > cache->ymax) 728737e34aee598f32f8ff078ba823ed149b282ebc8Brian cache->ymax = y + height; 729737e34aee598f32f8ff078ba823ed149b282ebc8Brian 730439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz /* create the transfer if needed */ 731439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz create_cache_trans(st); 732439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz 7337146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul unpack_bitmap(st, px, py, width, height, unpack, bitmap, 7347146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul cache->buffer, BITMAP_CACHE_WIDTH); 735c62b197b528293abb56b099503344e3cdd7d6c40Brian 736c62b197b528293abb56b099503344e3cdd7d6c40Brian return GL_TRUE; /* accumulated */ 737c62b197b528293abb56b099503344e3cdd7d6c40Brian} 738c62b197b528293abb56b099503344e3cdd7d6c40Brian 739c62b197b528293abb56b099503344e3cdd7d6c40Brian 740c62b197b528293abb56b099503344e3cdd7d6c40Brian 741c62b197b528293abb56b099503344e3cdd7d6c40Brian/** 742c62b197b528293abb56b099503344e3cdd7d6c40Brian * Called via ctx->Driver.Bitmap() 743c62b197b528293abb56b099503344e3cdd7d6c40Brian */ 744c62b197b528293abb56b099503344e3cdd7d6c40Brianstatic void 7453ece9ace540447c4f0d340a6f9f27980b54f83fbBrianst_Bitmap(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height, 7463ece9ace540447c4f0d340a6f9f27980b54f83fbBrian const struct gl_pixelstore_attrib *unpack, const GLubyte *bitmap ) 7473ece9ace540447c4f0d340a6f9f27980b54f83fbBrian{ 7483ece9ace540447c4f0d340a6f9f27980b54f83fbBrian struct st_context *st = ctx->st; 7493ece9ace540447c4f0d340a6f9f27980b54f83fbBrian struct pipe_texture *pt; 7503ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 75129d9f6b0d263b6ea2f89ea955d53d2671d9a6e43Brian Paul if (width == 0 || height == 0) 75229d9f6b0d263b6ea2f89ea955d53d2671d9a6e43Brian Paul return; 75329d9f6b0d263b6ea2f89ea955d53d2671d9a6e43Brian Paul 7541ecb2e4a7a5881d5a98679b421d78fd11c729ebcBrian Paul st_validate_state(st); 7551ecb2e4a7a5881d5a98679b421d78fd11c729ebcBrian Paul 7563ece9ace540447c4f0d340a6f9f27980b54f83fbBrian if (!st->bitmap.vs) { 7573ece9ace540447c4f0d340a6f9f27980b54f83fbBrian /* create pass-through vertex shader now */ 7583ece9ace540447c4f0d340a6f9f27980b54f83fbBrian const uint semantic_names[] = { TGSI_SEMANTIC_POSITION, 7593ece9ace540447c4f0d340a6f9f27980b54f83fbBrian TGSI_SEMANTIC_COLOR, 7603ece9ace540447c4f0d340a6f9f27980b54f83fbBrian TGSI_SEMANTIC_GENERIC }; 7613ece9ace540447c4f0d340a6f9f27980b54f83fbBrian const uint semantic_indexes[] = { 0, 0, 0 }; 7623ece9ace540447c4f0d340a6f9f27980b54f83fbBrian st->bitmap.vs = util_make_vertex_passthrough_shader(st->pipe, 3, 7633ece9ace540447c4f0d340a6f9f27980b54f83fbBrian semantic_names, 764fa0f48504a32642d688d4b81f62eea54c693b23fKeith Whitwell semantic_indexes); 7653ece9ace540447c4f0d340a6f9f27980b54f83fbBrian } 7663ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 767c62b197b528293abb56b099503344e3cdd7d6c40Brian if (UseBitmapCache && accum_bitmap(st, x, y, width, height, unpack, bitmap)) 768c62b197b528293abb56b099503344e3cdd7d6c40Brian return; 7693ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 7703ece9ace540447c4f0d340a6f9f27980b54f83fbBrian pt = make_bitmap_texture(ctx, width, height, unpack, bitmap); 7713ece9ace540447c4f0d340a6f9f27980b54f83fbBrian if (pt) { 7726f8286163c79a8187c2912a9b673a6f11f4f60c6Brian assert(pt->target == PIPE_TEXTURE_2D); 7733ece9ace540447c4f0d340a6f9f27980b54f83fbBrian draw_bitmap_quad(ctx, x, y, ctx->Current.RasterPos[2], 774318f00ae9f9bca783d1d3aa7700109402f3e52cbBrian Paul width, height, pt, 775318f00ae9f9bca783d1d3aa7700109402f3e52cbBrian Paul st->ctx->Current.RasterColor); 776d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul /* release/free the texture */ 7773ece9ace540447c4f0d340a6f9f27980b54f83fbBrian pipe_texture_reference(&pt, NULL); 7783ece9ace540447c4f0d340a6f9f27980b54f83fbBrian } 7793ece9ace540447c4f0d340a6f9f27980b54f83fbBrian} 7803ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 7813ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 782c62b197b528293abb56b099503344e3cdd7d6c40Brian/** Per-context init */ 783c62b197b528293abb56b099503344e3cdd7d6c40Brianvoid 784c62b197b528293abb56b099503344e3cdd7d6c40Brianst_init_bitmap_functions(struct dd_function_table *functions) 7853ece9ace540447c4f0d340a6f9f27980b54f83fbBrian{ 7863ece9ace540447c4f0d340a6f9f27980b54f83fbBrian functions->Bitmap = st_Bitmap; 7873ece9ace540447c4f0d340a6f9f27980b54f83fbBrian} 7883ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 7893ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 790c62b197b528293abb56b099503344e3cdd7d6c40Brian/** Per-context init */ 791c62b197b528293abb56b099503344e3cdd7d6c40Brianvoid 792c62b197b528293abb56b099503344e3cdd7d6c40Brianst_init_bitmap(struct st_context *st) 793c62b197b528293abb56b099503344e3cdd7d6c40Brian{ 794e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian struct pipe_sampler_state *sampler = &st->bitmap.sampler; 795eefb9d3b51e40867ac3fee43b6496a62b1888b3cBrian Paul struct pipe_context *pipe = st->pipe; 796eefb9d3b51e40867ac3fee43b6496a62b1888b3cBrian Paul struct pipe_screen *screen = pipe->screen; 797e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian 798e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian /* init sampler state once */ 799e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian memset(sampler, 0, sizeof(*sampler)); 800e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian sampler->wrap_s = PIPE_TEX_WRAP_CLAMP; 801e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian sampler->wrap_t = PIPE_TEX_WRAP_CLAMP; 802e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian sampler->wrap_r = PIPE_TEX_WRAP_CLAMP; 803e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian sampler->min_img_filter = PIPE_TEX_FILTER_NEAREST; 804e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian sampler->min_mip_filter = PIPE_TEX_MIPFILTER_NONE; 805e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian sampler->mag_img_filter = PIPE_TEX_FILTER_NEAREST; 806e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian sampler->normalized_coords = 1; 807e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian 8086a382250a10e7022e93b6be6fe4657445d85a568Brian /* init baseline rasterizer state once */ 809e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian memset(&st->bitmap.rasterizer, 0, sizeof(st->bitmap.rasterizer)); 810124e1345c9ba4abe17bb04b8781ec0fe803eda7bBrian st->bitmap.rasterizer.gl_rasterization_rules = 1; 811e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian 812eefb9d3b51e40867ac3fee43b6496a62b1888b3cBrian Paul /* find a usable texture format */ 8138aafc03b260ab8923f1b373f7effa75bcdb40a72José Fonseca if (screen->is_format_supported(screen, PIPE_FORMAT_I8_UNORM, PIPE_TEXTURE_2D, 8148aafc03b260ab8923f1b373f7effa75bcdb40a72José Fonseca PIPE_TEXTURE_USAGE_SAMPLER, 0)) { 81554f94a790e4488445347abcff9a636a9c440d7f9Brian Paul st->bitmap.tex_format = PIPE_FORMAT_I8_UNORM; 816eefb9d3b51e40867ac3fee43b6496a62b1888b3cBrian Paul } 817fe60dbc536e2fb94cf7bc5262ebd7817c16eb9e7Keith Whitwell else if (screen->is_format_supported(screen, PIPE_FORMAT_A8_UNORM, PIPE_TEXTURE_2D, 818fe60dbc536e2fb94cf7bc5262ebd7817c16eb9e7Keith Whitwell PIPE_TEXTURE_USAGE_SAMPLER, 0)) { 819fe60dbc536e2fb94cf7bc5262ebd7817c16eb9e7Keith Whitwell st->bitmap.tex_format = PIPE_FORMAT_A8_UNORM; 820fe60dbc536e2fb94cf7bc5262ebd7817c16eb9e7Keith Whitwell } 82193d101f0c3b2b7b6909d6f98a0d04b978b4ae29aKeith Whitwell else if (screen->is_format_supported(screen, PIPE_FORMAT_L8_UNORM, PIPE_TEXTURE_2D, 82293d101f0c3b2b7b6909d6f98a0d04b978b4ae29aKeith Whitwell PIPE_TEXTURE_USAGE_SAMPLER, 0)) { 82393d101f0c3b2b7b6909d6f98a0d04b978b4ae29aKeith Whitwell st->bitmap.tex_format = PIPE_FORMAT_L8_UNORM; 82493d101f0c3b2b7b6909d6f98a0d04b978b4ae29aKeith Whitwell } 825eefb9d3b51e40867ac3fee43b6496a62b1888b3cBrian Paul else { 826eefb9d3b51e40867ac3fee43b6496a62b1888b3cBrian Paul /* XXX support more formats */ 827eefb9d3b51e40867ac3fee43b6496a62b1888b3cBrian Paul assert(0); 828eefb9d3b51e40867ac3fee43b6496a62b1888b3cBrian Paul } 829eefb9d3b51e40867ac3fee43b6496a62b1888b3cBrian Paul 830d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul /* alloc bitmap cache object */ 831f1a59a6dd7b7b0523db191d82b3af1a841c6475dBrian Paul st->bitmap.cache = ST_CALLOC_STRUCT(bitmap_cache); 832d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul 833d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul reset_cache(st); 834c62b197b528293abb56b099503344e3cdd7d6c40Brian} 835c62b197b528293abb56b099503344e3cdd7d6c40Brian 836c62b197b528293abb56b099503344e3cdd7d6c40Brian 837c62b197b528293abb56b099503344e3cdd7d6c40Brian/** Per-context tear-down */ 8383ece9ace540447c4f0d340a6f9f27980b54f83fbBrianvoid 8393ece9ace540447c4f0d340a6f9f27980b54f83fbBrianst_destroy_bitmap(struct st_context *st) 8403ece9ace540447c4f0d340a6f9f27980b54f83fbBrian{ 8413ece9ace540447c4f0d340a6f9f27980b54f83fbBrian struct pipe_context *pipe = st->pipe; 842b4219e35e2de783ca03e53c311a8a56f8b633aa1Brian Paul struct pipe_screen *screen = pipe->screen; 843b4219e35e2de783ca03e53c311a8a56f8b633aa1Brian Paul struct bitmap_cache *cache = st->bitmap.cache; 844b4219e35e2de783ca03e53c311a8a56f8b633aa1Brian Paul 845439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz 8463ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 8473ece9ace540447c4f0d340a6f9f27980b54f83fbBrian if (st->bitmap.vs) { 848a770d40c3d4977e2c134661b5d8facaea446b6eaBrian Paul cso_delete_vertex_shader(st->cso_context, st->bitmap.vs); 8493ece9ace540447c4f0d340a6f9f27980b54f83fbBrian st->bitmap.vs = NULL; 8503ece9ace540447c4f0d340a6f9f27980b54f83fbBrian } 851c62b197b528293abb56b099503344e3cdd7d6c40Brian 8523ece9ace540447c4f0d340a6f9f27980b54f83fbBrian if (st->bitmap.vbuf) { 8535e27cd46c04a9e7b5904cc014bffd0f4daae31feMichel Dänzer pipe_buffer_reference(&st->bitmap.vbuf, NULL); 8543ece9ace540447c4f0d340a6f9f27980b54f83fbBrian st->bitmap.vbuf = NULL; 8553ece9ace540447c4f0d340a6f9f27980b54f83fbBrian } 8563ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 857439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz if (cache) { 858439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz if (cache->trans) { 859439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz screen->transfer_unmap(screen, cache->trans); 860439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz screen->tex_transfer_destroy(cache->trans); 861439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz } 8625e27cd46c04a9e7b5904cc014bffd0f4daae31feMichel Dänzer pipe_texture_reference(&st->bitmap.cache->texture, NULL); 8631a2f4dd8768703fbc1b2a0d5be342345644805b4Brian Paul _mesa_free(st->bitmap.cache); 864c62b197b528293abb56b099503344e3cdd7d6c40Brian st->bitmap.cache = NULL; 865c62b197b528293abb56b099503344e3cdd7d6c40Brian } 866c62b197b528293abb56b099503344e3cdd7d6c40Brian} 867