st_cb_bitmap.c revision 4eb72568541803fe45d04d9e230212f4f0928ec9
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 974eb72568541803fe45d04d9e230212f4f0928ec9Brian Paul /** Bitmap's Z position */ 984eb72568541803fe45d04d9e230212f4f0928ec9Brian Paul GLfloat zpos; 994eb72568541803fe45d04d9e230212f4f0928ec9Brian Paul 100c62b197b528293abb56b099503344e3cdd7d6c40Brian struct pipe_texture *texture; 1014617981ec72f7985941bee4b03c534d97ff96bc6Michel Dänzer struct pipe_transfer *trans; 102d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul 103737e34aee598f32f8ff078ba823ed149b282ebc8Brian GLboolean empty; 104d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul 105737e34aee598f32f8ff078ba823ed149b282ebc8Brian /** An I8 texture image: */ 106d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul ubyte *buffer; 107c62b197b528293abb56b099503344e3cdd7d6c40Brian}; 108c62b197b528293abb56b099503344e3cdd7d6c40Brian 109c62b197b528293abb56b099503344e3cdd7d6c40Brian 1104eb72568541803fe45d04d9e230212f4f0928ec9Brian Paul/** Epsilon for Z comparisons */ 1114eb72568541803fe45d04d9e230212f4f0928ec9Brian Paul#define Z_EPSILON 1e-06 112c62b197b528293abb56b099503344e3cdd7d6c40Brian 113c62b197b528293abb56b099503344e3cdd7d6c40Brian 114c62b197b528293abb56b099503344e3cdd7d6c40Brian/** 1153ece9ace540447c4f0d340a6f9f27980b54f83fbBrian * Make fragment program for glBitmap: 1163ece9ace540447c4f0d340a6f9f27980b54f83fbBrian * Sample the texture and kill the fragment if the bit is 0. 1173ece9ace540447c4f0d340a6f9f27980b54f83fbBrian * This program will be combined with the user's fragment program. 1183ece9ace540447c4f0d340a6f9f27980b54f83fbBrian */ 1193ece9ace540447c4f0d340a6f9f27980b54f83fbBrianstatic struct st_fragment_program * 12033f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paulmake_bitmap_fragment_program(GLcontext *ctx, GLuint samplerIndex) 1213ece9ace540447c4f0d340a6f9f27980b54f83fbBrian{ 1223ece9ace540447c4f0d340a6f9f27980b54f83fbBrian struct st_fragment_program *stfp; 1233ece9ace540447c4f0d340a6f9f27980b54f83fbBrian struct gl_program *p; 1243ece9ace540447c4f0d340a6f9f27980b54f83fbBrian GLuint ic = 0; 1253ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 1263ece9ace540447c4f0d340a6f9f27980b54f83fbBrian p = ctx->Driver.NewProgram(ctx, GL_FRAGMENT_PROGRAM_ARB, 0); 1273ece9ace540447c4f0d340a6f9f27980b54f83fbBrian if (!p) 1283ece9ace540447c4f0d340a6f9f27980b54f83fbBrian return NULL; 1293ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 1306b0be38a6cfecd2babc7175b0877bed522ca9f72Brian p->NumInstructions = 3; 1313ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 1323ece9ace540447c4f0d340a6f9f27980b54f83fbBrian p->Instructions = _mesa_alloc_instructions(p->NumInstructions); 1333ece9ace540447c4f0d340a6f9f27980b54f83fbBrian if (!p->Instructions) { 1343ece9ace540447c4f0d340a6f9f27980b54f83fbBrian ctx->Driver.DeleteProgram(ctx, p); 1353ece9ace540447c4f0d340a6f9f27980b54f83fbBrian return NULL; 1363ece9ace540447c4f0d340a6f9f27980b54f83fbBrian } 1373ece9ace540447c4f0d340a6f9f27980b54f83fbBrian _mesa_init_instructions(p->Instructions, p->NumInstructions); 1383ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 1393ece9ace540447c4f0d340a6f9f27980b54f83fbBrian /* TEX tmp0, fragment.texcoord[0], texture[0], 2D; */ 1403ece9ace540447c4f0d340a6f9f27980b54f83fbBrian p->Instructions[ic].Opcode = OPCODE_TEX; 1413ece9ace540447c4f0d340a6f9f27980b54f83fbBrian p->Instructions[ic].DstReg.File = PROGRAM_TEMPORARY; 1423ece9ace540447c4f0d340a6f9f27980b54f83fbBrian p->Instructions[ic].DstReg.Index = 0; 1433ece9ace540447c4f0d340a6f9f27980b54f83fbBrian p->Instructions[ic].SrcReg[0].File = PROGRAM_INPUT; 1443ece9ace540447c4f0d340a6f9f27980b54f83fbBrian p->Instructions[ic].SrcReg[0].Index = FRAG_ATTRIB_TEX0; 14533f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul p->Instructions[ic].TexSrcUnit = samplerIndex; 1463ece9ace540447c4f0d340a6f9f27980b54f83fbBrian p->Instructions[ic].TexSrcTarget = TEXTURE_2D_INDEX; 1473ece9ace540447c4f0d340a6f9f27980b54f83fbBrian ic++; 1483ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 1496b0be38a6cfecd2babc7175b0877bed522ca9f72Brian /* KIL if -tmp0 < 0 # texel=0 -> keep / texel=0 -> discard */ 1503ece9ace540447c4f0d340a6f9f27980b54f83fbBrian p->Instructions[ic].Opcode = OPCODE_KIL; 1513ece9ace540447c4f0d340a6f9f27980b54f83fbBrian p->Instructions[ic].SrcReg[0].File = PROGRAM_TEMPORARY; 15293d101f0c3b2b7b6909d6f98a0d04b978b4ae29aKeith Whitwell 15393d101f0c3b2b7b6909d6f98a0d04b978b4ae29aKeith Whitwell if (ctx->st->bitmap.tex_format == PIPE_FORMAT_L8_UNORM) 15493d101f0c3b2b7b6909d6f98a0d04b978b4ae29aKeith Whitwell p->Instructions[ic].SrcReg[0].Swizzle = SWIZZLE_XXXX; 15593d101f0c3b2b7b6909d6f98a0d04b978b4ae29aKeith Whitwell 1563ece9ace540447c4f0d340a6f9f27980b54f83fbBrian p->Instructions[ic].SrcReg[0].Index = 0; 1577db7ff878d3e5a6b345228e6eaee4797bb68b360Brian Paul p->Instructions[ic].SrcReg[0].Negate = NEGATE_XYZW; 1583ece9ace540447c4f0d340a6f9f27980b54f83fbBrian ic++; 1593ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 1603ece9ace540447c4f0d340a6f9f27980b54f83fbBrian /* END; */ 1613ece9ace540447c4f0d340a6f9f27980b54f83fbBrian p->Instructions[ic++].Opcode = OPCODE_END; 1623ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 1633ece9ace540447c4f0d340a6f9f27980b54f83fbBrian assert(ic == p->NumInstructions); 1643ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 1653ece9ace540447c4f0d340a6f9f27980b54f83fbBrian p->InputsRead = FRAG_BIT_TEX0; 1663ece9ace540447c4f0d340a6f9f27980b54f83fbBrian p->OutputsWritten = 0x0; 16733f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul p->SamplersUsed = (1 << samplerIndex); 1683ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 1693ece9ace540447c4f0d340a6f9f27980b54f83fbBrian stfp = (struct st_fragment_program *) p; 1703ece9ace540447c4f0d340a6f9f27980b54f83fbBrian stfp->Base.UsesKill = GL_TRUE; 17193d101f0c3b2b7b6909d6f98a0d04b978b4ae29aKeith Whitwell 17293d101f0c3b2b7b6909d6f98a0d04b978b4ae29aKeith Whitwell /* No need to send this incomplete program down to hardware: 17393d101f0c3b2b7b6909d6f98a0d04b978b4ae29aKeith Whitwell * 17493d101f0c3b2b7b6909d6f98a0d04b978b4ae29aKeith Whitwell * st_translate_fragment_program(ctx->st, stfp, NULL); 17593d101f0c3b2b7b6909d6f98a0d04b978b4ae29aKeith Whitwell */ 1763ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 1773ece9ace540447c4f0d340a6f9f27980b54f83fbBrian return stfp; 1783ece9ace540447c4f0d340a6f9f27980b54f83fbBrian} 1793ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 1803ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 18133f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paulstatic int 18233f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paulfind_free_bit(uint bitfield) 18333f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul{ 18433f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul int i; 18533f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul for (i = 0; i < 32; i++) { 18633f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul if ((bitfield & (1 << i)) == 0) { 18733f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul return i; 18833f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul } 18933f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul } 19033f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul return -1; 19133f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul} 19233f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul 19333f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul 1943ece9ace540447c4f0d340a6f9f27980b54f83fbBrian/** 1953ece9ace540447c4f0d340a6f9f27980b54f83fbBrian * Combine basic bitmap fragment program with the user-defined program. 1963ece9ace540447c4f0d340a6f9f27980b54f83fbBrian */ 1973ece9ace540447c4f0d340a6f9f27980b54f83fbBrianstatic struct st_fragment_program * 1983ece9ace540447c4f0d340a6f9f27980b54f83fbBriancombined_bitmap_fragment_program(GLcontext *ctx) 1993ece9ace540447c4f0d340a6f9f27980b54f83fbBrian{ 2003ece9ace540447c4f0d340a6f9f27980b54f83fbBrian struct st_context *st = ctx->st; 20133f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul struct st_fragment_program *stfp = st->fp; 2023ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 20333f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul if (!stfp->bitmap_program) { 20433f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul /* 20533f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul * Generate new program which is the user-defined program prefixed 20633f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul * with the bitmap sampler/kill instructions. 2073ece9ace540447c4f0d340a6f9f27980b54f83fbBrian */ 20833f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul struct st_fragment_program *bitmap_prog; 20933f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul uint sampler; 2103ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 21133f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul sampler = find_free_bit(st->fp->Base.Base.SamplersUsed); 21233f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul bitmap_prog = make_bitmap_fragment_program(ctx, sampler); 21333f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul 21433f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul stfp->bitmap_program = (struct st_fragment_program *) 21533f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul _mesa_combine_programs(ctx, 21633f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul &bitmap_prog->Base.Base, &stfp->Base.Base); 21733f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul stfp->bitmap_program->bitmap_sampler = sampler; 218ac09b0e0eb30f6691e35638f210c04ac0f867ea8Brian Paul 219ac09b0e0eb30f6691e35638f210c04ac0f867ea8Brian Paul /* done with this after combining */ 220ac09b0e0eb30f6691e35638f210c04ac0f867ea8Brian Paul st_reference_fragprog(st, &bitmap_prog, NULL); 221ac09b0e0eb30f6691e35638f210c04ac0f867ea8Brian Paul 2223ece9ace540447c4f0d340a6f9f27980b54f83fbBrian#if 0 2233ece9ace540447c4f0d340a6f9f27980b54f83fbBrian { 22433f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul struct gl_program *p = &stfp->bitmap_program->Base.Base; 2253ece9ace540447c4f0d340a6f9f27980b54f83fbBrian printf("Combined bitmap program:\n"); 2263ece9ace540447c4f0d340a6f9f27980b54f83fbBrian _mesa_print_program(p); 2273ece9ace540447c4f0d340a6f9f27980b54f83fbBrian printf("InputsRead: 0x%x\n", p->InputsRead); 2283ece9ace540447c4f0d340a6f9f27980b54f83fbBrian printf("OutputsWritten: 0x%x\n", p->OutputsWritten); 2293ece9ace540447c4f0d340a6f9f27980b54f83fbBrian _mesa_print_parameter_list(p->Parameters); 2303ece9ace540447c4f0d340a6f9f27980b54f83fbBrian } 2313ece9ace540447c4f0d340a6f9f27980b54f83fbBrian#endif 2323ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 2333ece9ace540447c4f0d340a6f9f27980b54f83fbBrian /* translate to TGSI tokens */ 23433f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul st_translate_fragment_program(st, stfp->bitmap_program, NULL); 2353ece9ace540447c4f0d340a6f9f27980b54f83fbBrian } 2363ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 23733f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul return stfp->bitmap_program; 2383ece9ace540447c4f0d340a6f9f27980b54f83fbBrian} 2393ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 2403ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 2413ece9ace540447c4f0d340a6f9f27980b54f83fbBrian/** 2427146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul * Copy user-provide bitmap bits into texture buffer, expanding 2437146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul * bits into texels. 2447146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul * "On" bits will set texels to 0xff. 2457146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul * "Off" bits will not modify texels. 2467146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul * Note that the image is actually going to be upside down in 2477146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul * the texture. We deal with that with texcoords. 2483ece9ace540447c4f0d340a6f9f27980b54f83fbBrian */ 2497146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paulstatic void 2507146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paulunpack_bitmap(struct st_context *st, 2517146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul GLint px, GLint py, GLsizei width, GLsizei height, 2527146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul const struct gl_pixelstore_attrib *unpack, 2537146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul const GLubyte *bitmap, 2547146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul ubyte *destBuffer, uint destStride) 2553ece9ace540447c4f0d340a6f9f27980b54f83fbBrian{ 2567146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul GLint row, col; 257f1626f0bfd2b14ad8ca2afaad2ea8afb539e6491Brian Paul 2587146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul#define SET_PIXEL(COL, ROW) \ 2597146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul destBuffer[(py + (ROW)) * destStride + px + (COL)] = 0x0; 2603ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 2613ece9ace540447c4f0d340a6f9f27980b54f83fbBrian for (row = 0; row < height; row++) { 2623ece9ace540447c4f0d340a6f9f27980b54f83fbBrian const GLubyte *src = (const GLubyte *) _mesa_image_address2d(unpack, 2633ece9ace540447c4f0d340a6f9f27980b54f83fbBrian bitmap, width, height, GL_COLOR_INDEX, GL_BITMAP, row, 0); 2643ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 2653ece9ace540447c4f0d340a6f9f27980b54f83fbBrian if (unpack->LsbFirst) { 2663ece9ace540447c4f0d340a6f9f27980b54f83fbBrian /* Lsb first */ 2673ece9ace540447c4f0d340a6f9f27980b54f83fbBrian GLubyte mask = 1U << (unpack->SkipPixels & 0x7); 2683ece9ace540447c4f0d340a6f9f27980b54f83fbBrian for (col = 0; col < width; col++) { 2693ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 2707146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul if (*src & mask) { 2717146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul SET_PIXEL(col, row); 2727146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul } 2733ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 2743ece9ace540447c4f0d340a6f9f27980b54f83fbBrian if (mask == 128U) { 2753ece9ace540447c4f0d340a6f9f27980b54f83fbBrian src++; 2763ece9ace540447c4f0d340a6f9f27980b54f83fbBrian mask = 1U; 2773ece9ace540447c4f0d340a6f9f27980b54f83fbBrian } 2783ece9ace540447c4f0d340a6f9f27980b54f83fbBrian else { 2793ece9ace540447c4f0d340a6f9f27980b54f83fbBrian mask = mask << 1; 2803ece9ace540447c4f0d340a6f9f27980b54f83fbBrian } 2813ece9ace540447c4f0d340a6f9f27980b54f83fbBrian } 2823ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 2833ece9ace540447c4f0d340a6f9f27980b54f83fbBrian /* get ready for next row */ 2843ece9ace540447c4f0d340a6f9f27980b54f83fbBrian if (mask != 1) 2853ece9ace540447c4f0d340a6f9f27980b54f83fbBrian src++; 2863ece9ace540447c4f0d340a6f9f27980b54f83fbBrian } 2873ece9ace540447c4f0d340a6f9f27980b54f83fbBrian else { 2883ece9ace540447c4f0d340a6f9f27980b54f83fbBrian /* Msb first */ 2893ece9ace540447c4f0d340a6f9f27980b54f83fbBrian GLubyte mask = 128U >> (unpack->SkipPixels & 0x7); 2903ece9ace540447c4f0d340a6f9f27980b54f83fbBrian for (col = 0; col < width; col++) { 2913ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 2927146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul if (*src & mask) { 2937146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul SET_PIXEL(col, row); 2947146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul } 2953ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 2963ece9ace540447c4f0d340a6f9f27980b54f83fbBrian if (mask == 1U) { 2973ece9ace540447c4f0d340a6f9f27980b54f83fbBrian src++; 2983ece9ace540447c4f0d340a6f9f27980b54f83fbBrian mask = 128U; 2993ece9ace540447c4f0d340a6f9f27980b54f83fbBrian } 3003ece9ace540447c4f0d340a6f9f27980b54f83fbBrian else { 3013ece9ace540447c4f0d340a6f9f27980b54f83fbBrian mask = mask >> 1; 3023ece9ace540447c4f0d340a6f9f27980b54f83fbBrian } 3033ece9ace540447c4f0d340a6f9f27980b54f83fbBrian } 3043ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 3053ece9ace540447c4f0d340a6f9f27980b54f83fbBrian /* get ready for next row */ 3063ece9ace540447c4f0d340a6f9f27980b54f83fbBrian if (mask != 128) 3073ece9ace540447c4f0d340a6f9f27980b54f83fbBrian src++; 3083ece9ace540447c4f0d340a6f9f27980b54f83fbBrian } 3093ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 3103ece9ace540447c4f0d340a6f9f27980b54f83fbBrian } /* row */ 3113ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 3127146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul#undef SET_PIXEL 3137146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul} 3147146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul 3157146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul 3167146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul/** 3177146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul * Create a texture which represents a bitmap image. 3187146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul */ 3197146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paulstatic struct pipe_texture * 3207146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paulmake_bitmap_texture(GLcontext *ctx, GLsizei width, GLsizei height, 3217146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul const struct gl_pixelstore_attrib *unpack, 3227146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul const GLubyte *bitmap) 3237146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul{ 3247146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul struct pipe_context *pipe = ctx->st->pipe; 3257146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul struct pipe_screen *screen = pipe->screen; 3264617981ec72f7985941bee4b03c534d97ff96bc6Michel Dänzer struct pipe_transfer *transfer; 3277146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul ubyte *dest; 3287146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul struct pipe_texture *pt; 3297146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul 3307146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul /* PBO source... */ 3317146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul bitmap = _mesa_map_bitmap_pbo(ctx, unpack, bitmap); 3327146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul if (!bitmap) { 3337146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul return NULL; 3347146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul } 3357146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul 3367146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul /** 3377146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul * Create texture to hold bitmap pattern. 3387146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul */ 3397146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul pt = st_texture_create(ctx->st, PIPE_TEXTURE_2D, ctx->st->bitmap.tex_format, 340f12201567463c7aeb9b76c32f000d577a82e7f92Brian Paul 0, width, height, 1, 341a73ae3d5eb8419feab5aea26573aa41b72f941ebKeith Whitwell PIPE_TEXTURE_USAGE_SAMPLER); 3427146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul if (!pt) { 3437146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul _mesa_unmap_bitmap_pbo(ctx, unpack); 3447146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul return NULL; 3457146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul } 3467146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul 347e50dd26ca6d0eb0d0f97c2780020ea16e3d4a687Thomas Hellstrom transfer = st_no_flush_get_tex_transfer(st_context(ctx), pt, 0, 0, 0, 348e50dd26ca6d0eb0d0f97c2780020ea16e3d4a687Thomas Hellstrom PIPE_TRANSFER_WRITE, 349e50dd26ca6d0eb0d0f97c2780020ea16e3d4a687Thomas Hellstrom 0, 0, width, height); 3507146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul 3514617981ec72f7985941bee4b03c534d97ff96bc6Michel Dänzer dest = screen->transfer_map(screen, transfer); 3527146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul 3534617981ec72f7985941bee4b03c534d97ff96bc6Michel Dänzer /* Put image into texture transfer */ 3544617981ec72f7985941bee4b03c534d97ff96bc6Michel Dänzer memset(dest, 0xff, height * transfer->stride); 3557146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul unpack_bitmap(ctx->st, 0, 0, width, height, unpack, bitmap, 3564617981ec72f7985941bee4b03c534d97ff96bc6Michel Dänzer dest, transfer->stride); 3577146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul 358f1626f0bfd2b14ad8ca2afaad2ea8afb539e6491Brian Paul _mesa_unmap_bitmap_pbo(ctx, unpack); 359f1626f0bfd2b14ad8ca2afaad2ea8afb539e6491Brian Paul 3604617981ec72f7985941bee4b03c534d97ff96bc6Michel Dänzer /* Release transfer */ 3614617981ec72f7985941bee4b03c534d97ff96bc6Michel Dänzer screen->transfer_unmap(screen, transfer); 3625e27cd46c04a9e7b5904cc014bffd0f4daae31feMichel Dänzer screen->tex_transfer_destroy(transfer); 3633ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 3643ece9ace540447c4f0d340a6f9f27980b54f83fbBrian return pt; 3653ece9ace540447c4f0d340a6f9f27980b54f83fbBrian} 3663ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 367d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwellstatic GLuint 3683ece9ace540447c4f0d340a6f9f27980b54f83fbBriansetup_bitmap_vertex_data(struct st_context *st, 3693ece9ace540447c4f0d340a6f9f27980b54f83fbBrian int x, int y, int width, int height, 3703ece9ace540447c4f0d340a6f9f27980b54f83fbBrian float z, const float color[4]) 3713ece9ace540447c4f0d340a6f9f27980b54f83fbBrian{ 3723ece9ace540447c4f0d340a6f9f27980b54f83fbBrian struct pipe_context *pipe = st->pipe; 3733ece9ace540447c4f0d340a6f9f27980b54f83fbBrian const struct gl_framebuffer *fb = st->ctx->DrawBuffer; 37453174afeeb68a79e471185cb463c13ff90af698fJosé Fonseca const GLfloat fb_width = (GLfloat)fb->Width; 37553174afeeb68a79e471185cb463c13ff90af698fJosé Fonseca const GLfloat fb_height = (GLfloat)fb->Height; 37653174afeeb68a79e471185cb463c13ff90af698fJosé Fonseca const GLfloat x0 = (GLfloat)x; 37753174afeeb68a79e471185cb463c13ff90af698fJosé Fonseca const GLfloat x1 = (GLfloat)(x + width); 37853174afeeb68a79e471185cb463c13ff90af698fJosé Fonseca const GLfloat y0 = (GLfloat)y; 37953174afeeb68a79e471185cb463c13ff90af698fJosé Fonseca const GLfloat y1 = (GLfloat)(y + height); 38053174afeeb68a79e471185cb463c13ff90af698fJosé Fonseca const GLfloat sLeft = (GLfloat)0.0, sRight = (GLfloat)1.0; 38153174afeeb68a79e471185cb463c13ff90af698fJosé Fonseca const GLfloat tTop = (GLfloat)0.0, tBot = (GLfloat)1.0 - tTop; 38253174afeeb68a79e471185cb463c13ff90af698fJosé Fonseca const GLfloat clip_x0 = (GLfloat)(x0 / fb_width * 2.0 - 1.0); 38353174afeeb68a79e471185cb463c13ff90af698fJosé Fonseca const GLfloat clip_y0 = (GLfloat)(y0 / fb_height * 2.0 - 1.0); 38453174afeeb68a79e471185cb463c13ff90af698fJosé Fonseca const GLfloat clip_x1 = (GLfloat)(x1 / fb_width * 2.0 - 1.0); 38553174afeeb68a79e471185cb463c13ff90af698fJosé Fonseca const GLfloat clip_y1 = (GLfloat)(y1 / fb_height * 2.0 - 1.0); 386d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell const GLuint max_slots = 4096 / sizeof(st->bitmap.vertices); 3873ece9ace540447c4f0d340a6f9f27980b54f83fbBrian GLuint i; 388d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell 389d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell if (st->bitmap.vbuf_slot >= max_slots) { 3905e27cd46c04a9e7b5904cc014bffd0f4daae31feMichel Dänzer pipe_buffer_reference(&st->bitmap.vbuf, NULL); 391d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell st->bitmap.vbuf_slot = 0; 392d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell } 3933ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 3943ece9ace540447c4f0d340a6f9f27980b54f83fbBrian if (!st->bitmap.vbuf) { 395d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell st->bitmap.vbuf = pipe_buffer_create(pipe->screen, 32, 396d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell PIPE_BUFFER_USAGE_VERTEX, 397d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell max_slots * sizeof(st->bitmap.vertices)); 3983ece9ace540447c4f0d340a6f9f27980b54f83fbBrian } 3993ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 400e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian /* Positions are in clip coords since we need to do clipping in case 401e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian * the bitmap quad goes beyond the window bounds. 402e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian */ 403e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian st->bitmap.vertices[0][0][0] = clip_x0; 404e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian st->bitmap.vertices[0][0][1] = clip_y0; 4053ece9ace540447c4f0d340a6f9f27980b54f83fbBrian st->bitmap.vertices[0][2][0] = sLeft; 4063ece9ace540447c4f0d340a6f9f27980b54f83fbBrian st->bitmap.vertices[0][2][1] = tTop; 4073ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 408e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian st->bitmap.vertices[1][0][0] = clip_x1; 409e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian st->bitmap.vertices[1][0][1] = clip_y0; 4103ece9ace540447c4f0d340a6f9f27980b54f83fbBrian st->bitmap.vertices[1][2][0] = sRight; 4113ece9ace540447c4f0d340a6f9f27980b54f83fbBrian st->bitmap.vertices[1][2][1] = tTop; 4123ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 413e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian st->bitmap.vertices[2][0][0] = clip_x1; 414e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian st->bitmap.vertices[2][0][1] = clip_y1; 4153ece9ace540447c4f0d340a6f9f27980b54f83fbBrian st->bitmap.vertices[2][2][0] = sRight; 4163ece9ace540447c4f0d340a6f9f27980b54f83fbBrian st->bitmap.vertices[2][2][1] = tBot; 4173ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 418e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian st->bitmap.vertices[3][0][0] = clip_x0; 419e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian st->bitmap.vertices[3][0][1] = clip_y1; 4203ece9ace540447c4f0d340a6f9f27980b54f83fbBrian st->bitmap.vertices[3][2][0] = sLeft; 4213ece9ace540447c4f0d340a6f9f27980b54f83fbBrian st->bitmap.vertices[3][2][1] = tBot; 4223ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 4233ece9ace540447c4f0d340a6f9f27980b54f83fbBrian /* same for all verts: */ 4243ece9ace540447c4f0d340a6f9f27980b54f83fbBrian for (i = 0; i < 4; i++) { 4253ece9ace540447c4f0d340a6f9f27980b54f83fbBrian st->bitmap.vertices[i][0][2] = z; 4263ece9ace540447c4f0d340a6f9f27980b54f83fbBrian st->bitmap.vertices[i][0][3] = 1.0; 4273ece9ace540447c4f0d340a6f9f27980b54f83fbBrian st->bitmap.vertices[i][1][0] = color[0]; 4283ece9ace540447c4f0d340a6f9f27980b54f83fbBrian st->bitmap.vertices[i][1][1] = color[1]; 4293ece9ace540447c4f0d340a6f9f27980b54f83fbBrian st->bitmap.vertices[i][1][2] = color[2]; 4303ece9ace540447c4f0d340a6f9f27980b54f83fbBrian st->bitmap.vertices[i][1][3] = color[3]; 4313ece9ace540447c4f0d340a6f9f27980b54f83fbBrian st->bitmap.vertices[i][2][2] = 0.0; /*R*/ 4323ece9ace540447c4f0d340a6f9f27980b54f83fbBrian st->bitmap.vertices[i][2][3] = 1.0; /*Q*/ 4333ece9ace540447c4f0d340a6f9f27980b54f83fbBrian } 4343ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 4353ece9ace540447c4f0d340a6f9f27980b54f83fbBrian /* put vertex data into vbuf */ 436e50dd26ca6d0eb0d0f97c2780020ea16e3d4a687Thomas Hellstrom st_no_flush_pipe_buffer_write(st, 437e50dd26ca6d0eb0d0f97c2780020ea16e3d4a687Thomas Hellstrom st->bitmap.vbuf, 438e50dd26ca6d0eb0d0f97c2780020ea16e3d4a687Thomas Hellstrom st->bitmap.vbuf_slot * sizeof st->bitmap.vertices, 439e50dd26ca6d0eb0d0f97c2780020ea16e3d4a687Thomas Hellstrom sizeof st->bitmap.vertices, 440e50dd26ca6d0eb0d0f97c2780020ea16e3d4a687Thomas Hellstrom st->bitmap.vertices); 441d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell 442d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell return st->bitmap.vbuf_slot++ * sizeof st->bitmap.vertices; 4433ece9ace540447c4f0d340a6f9f27980b54f83fbBrian} 4443ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 4453ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 4463ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 4473ece9ace540447c4f0d340a6f9f27980b54f83fbBrian/** 4483ece9ace540447c4f0d340a6f9f27980b54f83fbBrian * Render a glBitmap by drawing a textured quad 4493ece9ace540447c4f0d340a6f9f27980b54f83fbBrian */ 4503ece9ace540447c4f0d340a6f9f27980b54f83fbBrianstatic void 4513ece9ace540447c4f0d340a6f9f27980b54f83fbBriandraw_bitmap_quad(GLcontext *ctx, GLint x, GLint y, GLfloat z, 4523ece9ace540447c4f0d340a6f9f27980b54f83fbBrian GLsizei width, GLsizei height, 453318f00ae9f9bca783d1d3aa7700109402f3e52cbBrian Paul struct pipe_texture *pt, 454318f00ae9f9bca783d1d3aa7700109402f3e52cbBrian Paul const GLfloat *color) 4553ece9ace540447c4f0d340a6f9f27980b54f83fbBrian{ 4563ece9ace540447c4f0d340a6f9f27980b54f83fbBrian struct st_context *st = ctx->st; 4573ece9ace540447c4f0d340a6f9f27980b54f83fbBrian struct pipe_context *pipe = ctx->st->pipe; 4583ece9ace540447c4f0d340a6f9f27980b54f83fbBrian struct cso_context *cso = ctx->st->cso_context; 459c62b197b528293abb56b099503344e3cdd7d6c40Brian struct st_fragment_program *stfp; 4603ece9ace540447c4f0d340a6f9f27980b54f83fbBrian GLuint maxSize; 461d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell GLuint offset; 4623ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 463c62b197b528293abb56b099503344e3cdd7d6c40Brian stfp = combined_bitmap_fragment_program(ctx); 464c62b197b528293abb56b099503344e3cdd7d6c40Brian 465277089b81ae498f598efdc74fafda9873864ee54Brian Paul /* As an optimization, Mesa's fragment programs will sometimes get the 466277089b81ae498f598efdc74fafda9873864ee54Brian Paul * primary color from a statevar/constant rather than a varying variable. 467277089b81ae498f598efdc74fafda9873864ee54Brian Paul * when that's the case, we need to ensure that we use the 'color' 468277089b81ae498f598efdc74fafda9873864ee54Brian Paul * parameter and not the current attribute color (which may have changed 469277089b81ae498f598efdc74fafda9873864ee54Brian Paul * through glRasterPos and state validation. 470277089b81ae498f598efdc74fafda9873864ee54Brian Paul * So, we force the proper color here. Not elegant, but it works. 471277089b81ae498f598efdc74fafda9873864ee54Brian Paul */ 472277089b81ae498f598efdc74fafda9873864ee54Brian Paul { 473277089b81ae498f598efdc74fafda9873864ee54Brian Paul GLfloat colorSave[4]; 474277089b81ae498f598efdc74fafda9873864ee54Brian Paul COPY_4V(colorSave, ctx->Current.Attrib[VERT_ATTRIB_COLOR0]); 475277089b81ae498f598efdc74fafda9873864ee54Brian Paul COPY_4V(ctx->Current.Attrib[VERT_ATTRIB_COLOR0], color); 476277089b81ae498f598efdc74fafda9873864ee54Brian Paul st_upload_constants(st, stfp->Base.Base.Parameters, PIPE_SHADER_FRAGMENT); 477277089b81ae498f598efdc74fafda9873864ee54Brian Paul COPY_4V(ctx->Current.Attrib[VERT_ATTRIB_COLOR0], colorSave); 478277089b81ae498f598efdc74fafda9873864ee54Brian Paul } 479277089b81ae498f598efdc74fafda9873864ee54Brian Paul 480277089b81ae498f598efdc74fafda9873864ee54Brian Paul 4813ece9ace540447c4f0d340a6f9f27980b54f83fbBrian /* limit checks */ 482c62b197b528293abb56b099503344e3cdd7d6c40Brian /* XXX if the bitmap is larger than the max texture size, break 4833ece9ace540447c4f0d340a6f9f27980b54f83fbBrian * it up into chunks. 4843ece9ace540447c4f0d340a6f9f27980b54f83fbBrian */ 4853ece9ace540447c4f0d340a6f9f27980b54f83fbBrian maxSize = 1 << (pipe->screen->get_param(pipe->screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS) - 1); 48653174afeeb68a79e471185cb463c13ff90af698fJosé Fonseca assert(width <= (GLsizei)maxSize); 48753174afeeb68a79e471185cb463c13ff90af698fJosé Fonseca assert(height <= (GLsizei)maxSize); 4883ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 4893ece9ace540447c4f0d340a6f9f27980b54f83fbBrian cso_save_rasterizer(cso); 490d246274b9c48c01b61490f0a76c22aebb8e64e1eBrian Paul cso_save_samplers(cso); 491ddc0f91bfc571dcd05c13f094c179b4250e53bccBrian cso_save_sampler_textures(cso); 492e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian cso_save_viewport(cso); 49365efe807b9067aa07b382e3c4d9cea6222c5fc6bMichel Dänzer cso_save_fragment_shader(cso); 49465efe807b9067aa07b382e3c4d9cea6222c5fc6bMichel Dänzer cso_save_vertex_shader(cso); 4953ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 4963ece9ace540447c4f0d340a6f9f27980b54f83fbBrian /* rasterizer state: just scissor */ 497e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian st->bitmap.rasterizer.scissor = ctx->Scissor.Enabled; 498e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian cso_set_rasterizer(cso, &st->bitmap.rasterizer); 4993ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 5003ece9ace540447c4f0d340a6f9f27980b54f83fbBrian /* fragment shader state: TEX lookup program */ 50101dfa6cde157321f565bab949f23f367ed20fa0eKeith Whitwell cso_set_fragment_shader_handle(cso, stfp->driver_shader); 5023ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 5033ece9ace540447c4f0d340a6f9f27980b54f83fbBrian /* vertex shader state: position + texcoord pass-through */ 50401dfa6cde157321f565bab949f23f367ed20fa0eKeith Whitwell cso_set_vertex_shader_handle(cso, st->bitmap.vs); 5053ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 50633f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul /* user samplers, plus our bitmap sampler */ 50733f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul { 50833f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul struct pipe_sampler_state *samplers[PIPE_MAX_SAMPLERS]; 50933f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul uint num = MAX2(stfp->bitmap_sampler + 1, st->state.num_samplers); 51033f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul uint i; 51133f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul for (i = 0; i < st->state.num_samplers; i++) { 51233f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul samplers[i] = &st->state.samplers[i]; 51333f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul } 51433f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul samplers[stfp->bitmap_sampler] = &st->bitmap.sampler; 515277089b81ae498f598efdc74fafda9873864ee54Brian Paul cso_set_samplers(cso, num, (const struct pipe_sampler_state **) samplers); 516277089b81ae498f598efdc74fafda9873864ee54Brian Paul } 51733f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul 51833f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul /* user textures, plus the bitmap texture */ 51933f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul { 52033f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul struct pipe_texture *textures[PIPE_MAX_SAMPLERS]; 52133f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul uint num = MAX2(stfp->bitmap_sampler + 1, st->state.num_textures); 52233f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul memcpy(textures, st->state.sampler_texture, sizeof(textures)); 52333f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul textures[stfp->bitmap_sampler] = pt; 52433f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul cso_set_sampler_textures(cso, num, textures); 52533f3938d2d6340b31d758c96bd35f858c6c8267dBrian Paul } 526e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian 527e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian /* viewport state: viewport matching window dims */ 5283ece9ace540447c4f0d340a6f9f27980b54f83fbBrian { 529e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian const struct gl_framebuffer *fb = st->ctx->DrawBuffer; 530e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian const GLboolean invert = (st_fb_orientation(fb) == Y_0_TOP); 53153174afeeb68a79e471185cb463c13ff90af698fJosé Fonseca const GLfloat width = (GLfloat)fb->Width; 53253174afeeb68a79e471185cb463c13ff90af698fJosé Fonseca const GLfloat height = (GLfloat)fb->Height; 533e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian struct pipe_viewport_state vp; 5345c1a78b7a85d23ad1358b34d03a0002a19483655José Fonseca vp.scale[0] = 0.5f * width; 5355c1a78b7a85d23ad1358b34d03a0002a19483655José Fonseca vp.scale[1] = height * (invert ? -0.5f : 0.5f); 5365c1a78b7a85d23ad1358b34d03a0002a19483655José Fonseca vp.scale[2] = 1.0f; 5375c1a78b7a85d23ad1358b34d03a0002a19483655José Fonseca vp.scale[3] = 1.0f; 5385c1a78b7a85d23ad1358b34d03a0002a19483655José Fonseca vp.translate[0] = 0.5f * width; 5395c1a78b7a85d23ad1358b34d03a0002a19483655José Fonseca vp.translate[1] = 0.5f * height; 5405c1a78b7a85d23ad1358b34d03a0002a19483655José Fonseca vp.translate[2] = 0.0f; 5415c1a78b7a85d23ad1358b34d03a0002a19483655José Fonseca vp.translate[3] = 0.0f; 542e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian cso_set_viewport(cso, &vp); 5433ece9ace540447c4f0d340a6f9f27980b54f83fbBrian } 5443ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 5453ece9ace540447c4f0d340a6f9f27980b54f83fbBrian /* draw textured quad */ 5464eb72568541803fe45d04d9e230212f4f0928ec9Brian Paul offset = setup_bitmap_vertex_data(st, x, y, width, height, z, color); 5473ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 548d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell util_draw_vertex_buffer(pipe, st->bitmap.vbuf, offset, 5493ece9ace540447c4f0d340a6f9f27980b54f83fbBrian PIPE_PRIM_TRIANGLE_FAN, 5503ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 4, /* verts */ 5513ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 3); /* attribs/vert */ 5523ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 5533ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 5543ece9ace540447c4f0d340a6f9f27980b54f83fbBrian /* restore state */ 5553ece9ace540447c4f0d340a6f9f27980b54f83fbBrian cso_restore_rasterizer(cso); 5563ece9ace540447c4f0d340a6f9f27980b54f83fbBrian cso_restore_samplers(cso); 557ddc0f91bfc571dcd05c13f094c179b4250e53bccBrian cso_restore_sampler_textures(cso); 558e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian cso_restore_viewport(cso); 559fd4acd6fdaaad4871327d081f5501680ed9da2edMichel Dänzer cso_restore_fragment_shader(cso); 560fd4acd6fdaaad4871327d081f5501680ed9da2edMichel Dänzer cso_restore_vertex_shader(cso); 5613ece9ace540447c4f0d340a6f9f27980b54f83fbBrian} 5623ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 5633ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 564737e34aee598f32f8ff078ba823ed149b282ebc8Brianstatic void 565737e34aee598f32f8ff078ba823ed149b282ebc8Brianreset_cache(struct st_context *st) 566737e34aee598f32f8ff078ba823ed149b282ebc8Brian{ 567d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul struct pipe_context *pipe = st->pipe; 568d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul struct pipe_screen *screen = pipe->screen; 569d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul struct bitmap_cache *cache = st->bitmap.cache; 570737e34aee598f32f8ff078ba823ed149b282ebc8Brian 571d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul //memset(cache->buffer, 0xff, sizeof(cache->buffer)); 572d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul cache->empty = GL_TRUE; 573737e34aee598f32f8ff078ba823ed149b282ebc8Brian 574d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul cache->xmin = 1000000; 575d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul cache->xmax = -1000000; 576d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul cache->ymin = 1000000; 577d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul cache->ymax = -1000000; 5783ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 579439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz if (cache->trans) { 5805e27cd46c04a9e7b5904cc014bffd0f4daae31feMichel Dänzer screen->tex_transfer_destroy(cache->trans); 581439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz cache->trans = NULL; 582439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz } 5832212c214f1890091c102d4cb3c69ec2df2132322Brian Paul 584d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul assert(!cache->texture); 585c62b197b528293abb56b099503344e3cdd7d6c40Brian 586d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul /* allocate a new texture */ 587d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul cache->texture = st_texture_create(st, PIPE_TEXTURE_2D, 588d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul st->bitmap.tex_format, 0, 589d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul BITMAP_CACHE_WIDTH, BITMAP_CACHE_HEIGHT, 590f12201567463c7aeb9b76c32f000d577a82e7f92Brian Paul 1, PIPE_TEXTURE_USAGE_SAMPLER); 591c62b197b528293abb56b099503344e3cdd7d6c40Brian 592439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz} 593439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz 594439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantzstatic void 595439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantzcreate_cache_trans(struct st_context *st) 596439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz{ 597439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz struct pipe_context *pipe = st->pipe; 598439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz struct pipe_screen *screen = pipe->screen; 599439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz struct bitmap_cache *cache = st->bitmap.cache; 600439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz 601439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz if (cache->trans) 602439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz return; 603439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz 6044617981ec72f7985941bee4b03c534d97ff96bc6Michel Dänzer /* Map the texture transfer. 605d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul * Subsequent glBitmap calls will write into the texture image. 606d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul */ 607e50dd26ca6d0eb0d0f97c2780020ea16e3d4a687Thomas Hellstrom cache->trans = st_no_flush_get_tex_transfer(st, cache->texture, 0, 0, 0, 608e50dd26ca6d0eb0d0f97c2780020ea16e3d4a687Thomas Hellstrom PIPE_TRANSFER_WRITE, 0, 0, 609e50dd26ca6d0eb0d0f97c2780020ea16e3d4a687Thomas Hellstrom BITMAP_CACHE_WIDTH, 610e50dd26ca6d0eb0d0f97c2780020ea16e3d4a687Thomas Hellstrom BITMAP_CACHE_HEIGHT); 6114617981ec72f7985941bee4b03c534d97ff96bc6Michel Dänzer cache->buffer = screen->transfer_map(screen, cache->trans); 612d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul 613d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul /* init image to all 0xff */ 6144617981ec72f7985941bee4b03c534d97ff96bc6Michel Dänzer memset(cache->buffer, 0xff, cache->trans->stride * BITMAP_CACHE_HEIGHT); 615c62b197b528293abb56b099503344e3cdd7d6c40Brian} 616c62b197b528293abb56b099503344e3cdd7d6c40Brian 617c62b197b528293abb56b099503344e3cdd7d6c40Brian 618c62b197b528293abb56b099503344e3cdd7d6c40Brian/** 619c62b197b528293abb56b099503344e3cdd7d6c40Brian * If there's anything in the bitmap cache, draw/flush it now. 620c62b197b528293abb56b099503344e3cdd7d6c40Brian */ 621c62b197b528293abb56b099503344e3cdd7d6c40Brianvoid 622c62b197b528293abb56b099503344e3cdd7d6c40Brianst_flush_bitmap_cache(struct st_context *st) 623c62b197b528293abb56b099503344e3cdd7d6c40Brian{ 624c62b197b528293abb56b099503344e3cdd7d6c40Brian if (!st->bitmap.cache->empty) { 62544a7bd0019b9af9ff01336df0aa6eb206f5dc2e9Michel Dänzer struct bitmap_cache *cache = st->bitmap.cache; 62644a7bd0019b9af9ff01336df0aa6eb206f5dc2e9Michel Dänzer 627985134211d9fbfe9b7885beeeb85fdcf2ab78f87Brian Paul if (st->ctx->DrawBuffer) { 628985134211d9fbfe9b7885beeeb85fdcf2ab78f87Brian Paul struct pipe_context *pipe = st->pipe; 629c9ed86a96483063f3d6789ed16645a3dca77d726Keith Whitwell struct pipe_screen *screen = pipe->screen; 630985134211d9fbfe9b7885beeeb85fdcf2ab78f87Brian Paul 631985134211d9fbfe9b7885beeeb85fdcf2ab78f87Brian Paul assert(cache->xmin <= cache->xmax); 632d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell 633d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell/* printf("flush size %d x %d at %d, %d\n", 634985134211d9fbfe9b7885beeeb85fdcf2ab78f87Brian Paul cache->xmax - cache->xmin, 635985134211d9fbfe9b7885beeeb85fdcf2ab78f87Brian Paul cache->ymax - cache->ymin, 636985134211d9fbfe9b7885beeeb85fdcf2ab78f87Brian Paul cache->xpos, cache->ypos); 637d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell*/ 638985134211d9fbfe9b7885beeeb85fdcf2ab78f87Brian Paul 6394617981ec72f7985941bee4b03c534d97ff96bc6Michel Dänzer /* The texture transfer has been mapped until now. 6404617981ec72f7985941bee4b03c534d97ff96bc6Michel Dänzer * So unmap and release the texture transfer before drawing. 6416fb40092261b891b78e504f453fddf041f9efac6Brian Paul */ 642439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz if (cache->trans) { 643439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz screen->transfer_unmap(screen, cache->trans); 644439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz cache->buffer = NULL; 6452212c214f1890091c102d4cb3c69ec2df2132322Brian Paul 646439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz screen->tex_transfer_destroy(cache->trans); 647439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz cache->trans = NULL; 648439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz } 6496fb40092261b891b78e504f453fddf041f9efac6Brian Paul 650985134211d9fbfe9b7885beeeb85fdcf2ab78f87Brian Paul draw_bitmap_quad(st->ctx, 651985134211d9fbfe9b7885beeeb85fdcf2ab78f87Brian Paul cache->xpos, 652985134211d9fbfe9b7885beeeb85fdcf2ab78f87Brian Paul cache->ypos, 6534eb72568541803fe45d04d9e230212f4f0928ec9Brian Paul cache->zpos, 654985134211d9fbfe9b7885beeeb85fdcf2ab78f87Brian Paul BITMAP_CACHE_WIDTH, BITMAP_CACHE_HEIGHT, 655318f00ae9f9bca783d1d3aa7700109402f3e52cbBrian Paul cache->texture, 656318f00ae9f9bca783d1d3aa7700109402f3e52cbBrian Paul cache->color); 657985134211d9fbfe9b7885beeeb85fdcf2ab78f87Brian Paul } 65844a7bd0019b9af9ff01336df0aa6eb206f5dc2e9Michel Dänzer 65944a7bd0019b9af9ff01336df0aa6eb206f5dc2e9Michel Dänzer /* release/free the texture */ 66044a7bd0019b9af9ff01336df0aa6eb206f5dc2e9Michel Dänzer pipe_texture_reference(&cache->texture, NULL); 66144a7bd0019b9af9ff01336df0aa6eb206f5dc2e9Michel Dänzer 662737e34aee598f32f8ff078ba823ed149b282ebc8Brian reset_cache(st); 663c62b197b528293abb56b099503344e3cdd7d6c40Brian } 664c62b197b528293abb56b099503344e3cdd7d6c40Brian} 665c62b197b528293abb56b099503344e3cdd7d6c40Brian 666d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell/* Flush bitmap cache and release vertex buffer. 667d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell */ 668d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwellvoid 669d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwellst_flush_bitmap( struct st_context *st ) 670d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell{ 671d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell st_flush_bitmap_cache(st); 672d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell 673d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell /* Release vertex buffer to avoid synchronous rendering if we were 674d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell * to map it in the next frame. 675d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell */ 6765e27cd46c04a9e7b5904cc014bffd0f4daae31feMichel Dänzer pipe_buffer_reference(&st->bitmap.vbuf, NULL); 677d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell st->bitmap.vbuf_slot = 0; 678d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell} 679d2c2e9316d043ab584794a3524f22776deb4c777Keith Whitwell 680c62b197b528293abb56b099503344e3cdd7d6c40Brian 681c62b197b528293abb56b099503344e3cdd7d6c40Brian/** 682c62b197b528293abb56b099503344e3cdd7d6c40Brian * Try to accumulate this glBitmap call in the bitmap cache. 683c62b197b528293abb56b099503344e3cdd7d6c40Brian * \return GL_TRUE for success, GL_FALSE if bitmap is too large, etc. 684c62b197b528293abb56b099503344e3cdd7d6c40Brian */ 685c62b197b528293abb56b099503344e3cdd7d6c40Brianstatic GLboolean 686c62b197b528293abb56b099503344e3cdd7d6c40Brianaccum_bitmap(struct st_context *st, 687c62b197b528293abb56b099503344e3cdd7d6c40Brian GLint x, GLint y, GLsizei width, GLsizei height, 688c62b197b528293abb56b099503344e3cdd7d6c40Brian const struct gl_pixelstore_attrib *unpack, 689c62b197b528293abb56b099503344e3cdd7d6c40Brian const GLubyte *bitmap ) 690c62b197b528293abb56b099503344e3cdd7d6c40Brian{ 691737e34aee598f32f8ff078ba823ed149b282ebc8Brian struct bitmap_cache *cache = st->bitmap.cache; 692c62b197b528293abb56b099503344e3cdd7d6c40Brian int px = -999, py; 6934eb72568541803fe45d04d9e230212f4f0928ec9Brian Paul const GLfloat z = st->ctx->Current.RasterPos[2]; 694c62b197b528293abb56b099503344e3cdd7d6c40Brian 695c62b197b528293abb56b099503344e3cdd7d6c40Brian if (width > BITMAP_CACHE_WIDTH || 696c62b197b528293abb56b099503344e3cdd7d6c40Brian height > BITMAP_CACHE_HEIGHT) 697c62b197b528293abb56b099503344e3cdd7d6c40Brian return GL_FALSE; /* too big to cache */ 698c62b197b528293abb56b099503344e3cdd7d6c40Brian 699737e34aee598f32f8ff078ba823ed149b282ebc8Brian if (!cache->empty) { 700737e34aee598f32f8ff078ba823ed149b282ebc8Brian px = x - cache->xpos; /* pos in buffer */ 701737e34aee598f32f8ff078ba823ed149b282ebc8Brian py = y - cache->ypos; 702c62b197b528293abb56b099503344e3cdd7d6c40Brian if (px < 0 || px + width > BITMAP_CACHE_WIDTH || 703318f00ae9f9bca783d1d3aa7700109402f3e52cbBrian Paul py < 0 || py + height > BITMAP_CACHE_HEIGHT || 7044eb72568541803fe45d04d9e230212f4f0928ec9Brian Paul !TEST_EQ_4V(st->ctx->Current.RasterColor, cache->color) || 7054eb72568541803fe45d04d9e230212f4f0928ec9Brian Paul ((fabs(z - cache->zpos) > Z_EPSILON))) { 706318f00ae9f9bca783d1d3aa7700109402f3e52cbBrian Paul /* This bitmap would extend beyond cache bounds, or the bitmap 707318f00ae9f9bca783d1d3aa7700109402f3e52cbBrian Paul * color is changing 708c62b197b528293abb56b099503344e3cdd7d6c40Brian * so flush and continue. 709c62b197b528293abb56b099503344e3cdd7d6c40Brian */ 710c62b197b528293abb56b099503344e3cdd7d6c40Brian st_flush_bitmap_cache(st); 711c62b197b528293abb56b099503344e3cdd7d6c40Brian } 712c62b197b528293abb56b099503344e3cdd7d6c40Brian } 713c62b197b528293abb56b099503344e3cdd7d6c40Brian 714737e34aee598f32f8ff078ba823ed149b282ebc8Brian if (cache->empty) { 715c62b197b528293abb56b099503344e3cdd7d6c40Brian /* Initialize. Center bitmap vertically in the buffer. */ 716c62b197b528293abb56b099503344e3cdd7d6c40Brian px = 0; 717c62b197b528293abb56b099503344e3cdd7d6c40Brian py = (BITMAP_CACHE_HEIGHT - height) / 2; 718737e34aee598f32f8ff078ba823ed149b282ebc8Brian cache->xpos = x; 719737e34aee598f32f8ff078ba823ed149b282ebc8Brian cache->ypos = y - py; 7204eb72568541803fe45d04d9e230212f4f0928ec9Brian Paul cache->zpos = z; 721737e34aee598f32f8ff078ba823ed149b282ebc8Brian cache->empty = GL_FALSE; 722318f00ae9f9bca783d1d3aa7700109402f3e52cbBrian Paul COPY_4FV(cache->color, st->ctx->Current.RasterColor); 723c62b197b528293abb56b099503344e3cdd7d6c40Brian } 724c62b197b528293abb56b099503344e3cdd7d6c40Brian 725c62b197b528293abb56b099503344e3cdd7d6c40Brian assert(px != -999); 726c62b197b528293abb56b099503344e3cdd7d6c40Brian 727737e34aee598f32f8ff078ba823ed149b282ebc8Brian if (x < cache->xmin) 728737e34aee598f32f8ff078ba823ed149b282ebc8Brian cache->xmin = x; 729737e34aee598f32f8ff078ba823ed149b282ebc8Brian if (y < cache->ymin) 730737e34aee598f32f8ff078ba823ed149b282ebc8Brian cache->ymin = y; 731737e34aee598f32f8ff078ba823ed149b282ebc8Brian if (x + width > cache->xmax) 732737e34aee598f32f8ff078ba823ed149b282ebc8Brian cache->xmax = x + width; 733737e34aee598f32f8ff078ba823ed149b282ebc8Brian if (y + height > cache->ymax) 734737e34aee598f32f8ff078ba823ed149b282ebc8Brian cache->ymax = y + height; 735737e34aee598f32f8ff078ba823ed149b282ebc8Brian 736439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz /* create the transfer if needed */ 737439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz create_cache_trans(st); 738439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz 7397146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul unpack_bitmap(st, px, py, width, height, unpack, bitmap, 7407146a1a29d3897fc0bd46dd56f3b36f2351d0f88Brian Paul cache->buffer, BITMAP_CACHE_WIDTH); 741c62b197b528293abb56b099503344e3cdd7d6c40Brian 742c62b197b528293abb56b099503344e3cdd7d6c40Brian return GL_TRUE; /* accumulated */ 743c62b197b528293abb56b099503344e3cdd7d6c40Brian} 744c62b197b528293abb56b099503344e3cdd7d6c40Brian 745c62b197b528293abb56b099503344e3cdd7d6c40Brian 746c62b197b528293abb56b099503344e3cdd7d6c40Brian 747c62b197b528293abb56b099503344e3cdd7d6c40Brian/** 748c62b197b528293abb56b099503344e3cdd7d6c40Brian * Called via ctx->Driver.Bitmap() 749c62b197b528293abb56b099503344e3cdd7d6c40Brian */ 750c62b197b528293abb56b099503344e3cdd7d6c40Brianstatic void 7513ece9ace540447c4f0d340a6f9f27980b54f83fbBrianst_Bitmap(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height, 7523ece9ace540447c4f0d340a6f9f27980b54f83fbBrian const struct gl_pixelstore_attrib *unpack, const GLubyte *bitmap ) 7533ece9ace540447c4f0d340a6f9f27980b54f83fbBrian{ 7543ece9ace540447c4f0d340a6f9f27980b54f83fbBrian struct st_context *st = ctx->st; 7553ece9ace540447c4f0d340a6f9f27980b54f83fbBrian struct pipe_texture *pt; 7563ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 75729d9f6b0d263b6ea2f89ea955d53d2671d9a6e43Brian Paul if (width == 0 || height == 0) 75829d9f6b0d263b6ea2f89ea955d53d2671d9a6e43Brian Paul return; 75929d9f6b0d263b6ea2f89ea955d53d2671d9a6e43Brian Paul 7601ecb2e4a7a5881d5a98679b421d78fd11c729ebcBrian Paul st_validate_state(st); 7611ecb2e4a7a5881d5a98679b421d78fd11c729ebcBrian Paul 7623ece9ace540447c4f0d340a6f9f27980b54f83fbBrian if (!st->bitmap.vs) { 7633ece9ace540447c4f0d340a6f9f27980b54f83fbBrian /* create pass-through vertex shader now */ 7643ece9ace540447c4f0d340a6f9f27980b54f83fbBrian const uint semantic_names[] = { TGSI_SEMANTIC_POSITION, 7653ece9ace540447c4f0d340a6f9f27980b54f83fbBrian TGSI_SEMANTIC_COLOR, 7663ece9ace540447c4f0d340a6f9f27980b54f83fbBrian TGSI_SEMANTIC_GENERIC }; 7673ece9ace540447c4f0d340a6f9f27980b54f83fbBrian const uint semantic_indexes[] = { 0, 0, 0 }; 7683ece9ace540447c4f0d340a6f9f27980b54f83fbBrian st->bitmap.vs = util_make_vertex_passthrough_shader(st->pipe, 3, 7693ece9ace540447c4f0d340a6f9f27980b54f83fbBrian semantic_names, 770fa0f48504a32642d688d4b81f62eea54c693b23fKeith Whitwell semantic_indexes); 7713ece9ace540447c4f0d340a6f9f27980b54f83fbBrian } 7723ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 773c62b197b528293abb56b099503344e3cdd7d6c40Brian if (UseBitmapCache && accum_bitmap(st, x, y, width, height, unpack, bitmap)) 774c62b197b528293abb56b099503344e3cdd7d6c40Brian return; 7753ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 7763ece9ace540447c4f0d340a6f9f27980b54f83fbBrian pt = make_bitmap_texture(ctx, width, height, unpack, bitmap); 7773ece9ace540447c4f0d340a6f9f27980b54f83fbBrian if (pt) { 7786f8286163c79a8187c2912a9b673a6f11f4f60c6Brian assert(pt->target == PIPE_TEXTURE_2D); 7793ece9ace540447c4f0d340a6f9f27980b54f83fbBrian draw_bitmap_quad(ctx, x, y, ctx->Current.RasterPos[2], 780318f00ae9f9bca783d1d3aa7700109402f3e52cbBrian Paul width, height, pt, 781318f00ae9f9bca783d1d3aa7700109402f3e52cbBrian Paul st->ctx->Current.RasterColor); 782d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul /* release/free the texture */ 7833ece9ace540447c4f0d340a6f9f27980b54f83fbBrian pipe_texture_reference(&pt, NULL); 7843ece9ace540447c4f0d340a6f9f27980b54f83fbBrian } 7853ece9ace540447c4f0d340a6f9f27980b54f83fbBrian} 7863ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 7873ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 788c62b197b528293abb56b099503344e3cdd7d6c40Brian/** Per-context init */ 789c62b197b528293abb56b099503344e3cdd7d6c40Brianvoid 790c62b197b528293abb56b099503344e3cdd7d6c40Brianst_init_bitmap_functions(struct dd_function_table *functions) 7913ece9ace540447c4f0d340a6f9f27980b54f83fbBrian{ 7923ece9ace540447c4f0d340a6f9f27980b54f83fbBrian functions->Bitmap = st_Bitmap; 7933ece9ace540447c4f0d340a6f9f27980b54f83fbBrian} 7943ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 7953ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 796c62b197b528293abb56b099503344e3cdd7d6c40Brian/** Per-context init */ 797c62b197b528293abb56b099503344e3cdd7d6c40Brianvoid 798c62b197b528293abb56b099503344e3cdd7d6c40Brianst_init_bitmap(struct st_context *st) 799c62b197b528293abb56b099503344e3cdd7d6c40Brian{ 800e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian struct pipe_sampler_state *sampler = &st->bitmap.sampler; 801eefb9d3b51e40867ac3fee43b6496a62b1888b3cBrian Paul struct pipe_context *pipe = st->pipe; 802eefb9d3b51e40867ac3fee43b6496a62b1888b3cBrian Paul struct pipe_screen *screen = pipe->screen; 803e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian 804e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian /* init sampler state once */ 805e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian memset(sampler, 0, sizeof(*sampler)); 806e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian sampler->wrap_s = PIPE_TEX_WRAP_CLAMP; 807e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian sampler->wrap_t = PIPE_TEX_WRAP_CLAMP; 808e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian sampler->wrap_r = PIPE_TEX_WRAP_CLAMP; 809e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian sampler->min_img_filter = PIPE_TEX_FILTER_NEAREST; 810e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian sampler->min_mip_filter = PIPE_TEX_MIPFILTER_NONE; 811e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian sampler->mag_img_filter = PIPE_TEX_FILTER_NEAREST; 812e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian sampler->normalized_coords = 1; 813e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian 8146a382250a10e7022e93b6be6fe4657445d85a568Brian /* init baseline rasterizer state once */ 815e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian memset(&st->bitmap.rasterizer, 0, sizeof(st->bitmap.rasterizer)); 816124e1345c9ba4abe17bb04b8781ec0fe803eda7bBrian st->bitmap.rasterizer.gl_rasterization_rules = 1; 817e66cb602b79f52bd1f01b1c3f7af039eeff283a6Brian 818eefb9d3b51e40867ac3fee43b6496a62b1888b3cBrian Paul /* find a usable texture format */ 8198aafc03b260ab8923f1b373f7effa75bcdb40a72José Fonseca if (screen->is_format_supported(screen, PIPE_FORMAT_I8_UNORM, PIPE_TEXTURE_2D, 8208aafc03b260ab8923f1b373f7effa75bcdb40a72José Fonseca PIPE_TEXTURE_USAGE_SAMPLER, 0)) { 82154f94a790e4488445347abcff9a636a9c440d7f9Brian Paul st->bitmap.tex_format = PIPE_FORMAT_I8_UNORM; 822eefb9d3b51e40867ac3fee43b6496a62b1888b3cBrian Paul } 823fe60dbc536e2fb94cf7bc5262ebd7817c16eb9e7Keith Whitwell else if (screen->is_format_supported(screen, PIPE_FORMAT_A8_UNORM, PIPE_TEXTURE_2D, 824fe60dbc536e2fb94cf7bc5262ebd7817c16eb9e7Keith Whitwell PIPE_TEXTURE_USAGE_SAMPLER, 0)) { 825fe60dbc536e2fb94cf7bc5262ebd7817c16eb9e7Keith Whitwell st->bitmap.tex_format = PIPE_FORMAT_A8_UNORM; 826fe60dbc536e2fb94cf7bc5262ebd7817c16eb9e7Keith Whitwell } 82793d101f0c3b2b7b6909d6f98a0d04b978b4ae29aKeith Whitwell else if (screen->is_format_supported(screen, PIPE_FORMAT_L8_UNORM, PIPE_TEXTURE_2D, 82893d101f0c3b2b7b6909d6f98a0d04b978b4ae29aKeith Whitwell PIPE_TEXTURE_USAGE_SAMPLER, 0)) { 82993d101f0c3b2b7b6909d6f98a0d04b978b4ae29aKeith Whitwell st->bitmap.tex_format = PIPE_FORMAT_L8_UNORM; 83093d101f0c3b2b7b6909d6f98a0d04b978b4ae29aKeith Whitwell } 831eefb9d3b51e40867ac3fee43b6496a62b1888b3cBrian Paul else { 832eefb9d3b51e40867ac3fee43b6496a62b1888b3cBrian Paul /* XXX support more formats */ 833eefb9d3b51e40867ac3fee43b6496a62b1888b3cBrian Paul assert(0); 834eefb9d3b51e40867ac3fee43b6496a62b1888b3cBrian Paul } 835eefb9d3b51e40867ac3fee43b6496a62b1888b3cBrian Paul 836d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul /* alloc bitmap cache object */ 837f1a59a6dd7b7b0523db191d82b3af1a841c6475dBrian Paul st->bitmap.cache = ST_CALLOC_STRUCT(bitmap_cache); 838d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul 839d3b98330d800d347e3fccf80a40fa87453659c6cBrian Paul reset_cache(st); 840c62b197b528293abb56b099503344e3cdd7d6c40Brian} 841c62b197b528293abb56b099503344e3cdd7d6c40Brian 842c62b197b528293abb56b099503344e3cdd7d6c40Brian 843c62b197b528293abb56b099503344e3cdd7d6c40Brian/** Per-context tear-down */ 8443ece9ace540447c4f0d340a6f9f27980b54f83fbBrianvoid 8453ece9ace540447c4f0d340a6f9f27980b54f83fbBrianst_destroy_bitmap(struct st_context *st) 8463ece9ace540447c4f0d340a6f9f27980b54f83fbBrian{ 8473ece9ace540447c4f0d340a6f9f27980b54f83fbBrian struct pipe_context *pipe = st->pipe; 848b4219e35e2de783ca03e53c311a8a56f8b633aa1Brian Paul struct pipe_screen *screen = pipe->screen; 849b4219e35e2de783ca03e53c311a8a56f8b633aa1Brian Paul struct bitmap_cache *cache = st->bitmap.cache; 850b4219e35e2de783ca03e53c311a8a56f8b633aa1Brian Paul 851439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz 8523ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 8533ece9ace540447c4f0d340a6f9f27980b54f83fbBrian if (st->bitmap.vs) { 854a770d40c3d4977e2c134661b5d8facaea446b6eaBrian Paul cso_delete_vertex_shader(st->cso_context, st->bitmap.vs); 8553ece9ace540447c4f0d340a6f9f27980b54f83fbBrian st->bitmap.vs = NULL; 8563ece9ace540447c4f0d340a6f9f27980b54f83fbBrian } 857c62b197b528293abb56b099503344e3cdd7d6c40Brian 8583ece9ace540447c4f0d340a6f9f27980b54f83fbBrian if (st->bitmap.vbuf) { 8595e27cd46c04a9e7b5904cc014bffd0f4daae31feMichel Dänzer pipe_buffer_reference(&st->bitmap.vbuf, NULL); 8603ece9ace540447c4f0d340a6f9f27980b54f83fbBrian st->bitmap.vbuf = NULL; 8613ece9ace540447c4f0d340a6f9f27980b54f83fbBrian } 8623ece9ace540447c4f0d340a6f9f27980b54f83fbBrian 863439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz if (cache) { 864439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz if (cache->trans) { 865439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz screen->transfer_unmap(screen, cache->trans); 866439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz screen->tex_transfer_destroy(cache->trans); 867439c42ae8b652f4fce59e5157c7e598280959684Jakob Bornecrantz } 8685e27cd46c04a9e7b5904cc014bffd0f4daae31feMichel Dänzer pipe_texture_reference(&st->bitmap.cache->texture, NULL); 8691a2f4dd8768703fbc1b2a0d5be342345644805b4Brian Paul _mesa_free(st->bitmap.cache); 870c62b197b528293abb56b099503344e3cdd7d6c40Brian st->bitmap.cache = NULL; 871c62b197b528293abb56b099503344e3cdd7d6c40Brian } 872c62b197b528293abb56b099503344e3cdd7d6c40Brian} 873