i915_context.c revision 50853be894aa3edd1e9271f7d625f319209e340f
1/************************************************************************** 2 * 3 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28#include "i915_context.h" 29#include "main/imports.h" 30#include "intel_tex.h" 31#include "intel_tris.h" 32#include "tnl/t_context.h" 33#include "tnl/t_pipeline.h" 34#include "tnl/t_vertex.h" 35 36#include "swrast/swrast.h" 37#include "swrast_setup/swrast_setup.h" 38#include "tnl/tnl.h" 39 40#include "utils.h" 41#include "i915_reg.h" 42 43#include "intel_regions.h" 44#include "intel_batchbuffer.h" 45#include "intel_tris.h" 46#include "intel_span.h" 47#include "intel_pixel.h" 48 49/*************************************** 50 * Mesa's Driver Functions 51 ***************************************/ 52 53/* Override intel default. 54 */ 55static void 56i915InvalidateState(GLcontext * ctx, GLuint new_state) 57{ 58 _swrast_InvalidateState(ctx, new_state); 59 _swsetup_InvalidateState(ctx, new_state); 60 _vbo_InvalidateState(ctx, new_state); 61 _tnl_InvalidateState(ctx, new_state); 62 _tnl_invalidate_vertex_state(ctx, new_state); 63 intel_context(ctx)->NewGLState |= new_state; 64 65 /* Todo: gather state values under which tracked parameters become 66 * invalidated, add callbacks for things like 67 * ProgramLocalParameters, etc. 68 */ 69 { 70 struct i915_fragment_program *p = 71 (struct i915_fragment_program *) ctx->FragmentProgram._Current; 72 if (p && p->nr_params) 73 p->params_uptodate = 0; 74 } 75 76 if (new_state & (_NEW_FOG | _NEW_HINT | _NEW_PROGRAM)) 77 i915_update_fog(ctx); 78} 79 80 81static void 82i915InitDriverFunctions(struct dd_function_table *functions) 83{ 84 intelInitDriverFunctions(functions); 85 i915InitStateFunctions(functions); 86 i915InitFragProgFuncs(functions); 87 functions->UpdateState = i915InvalidateState; 88} 89 90 91extern const struct tnl_pipeline_stage *intel_pipeline[]; 92 93GLboolean 94i915CreateContext(const __GLcontextModes * mesaVis, 95 __DRIcontextPrivate * driContextPriv, 96 void *sharedContextPrivate) 97{ 98 struct dd_function_table functions; 99 struct i915_context *i915 = 100 (struct i915_context *) CALLOC_STRUCT(i915_context); 101 struct intel_context *intel = &i915->intel; 102 GLcontext *ctx = &intel->ctx; 103 104 if (!i915) 105 return GL_FALSE; 106 107 if (0) 108 _mesa_printf("\ntexmem-0-3 branch\n\n"); 109 110 i915InitVtbl(i915); 111 i915InitMetaFuncs(i915); 112 113 i915InitDriverFunctions(&functions); 114 115 if (!intelInitContext(intel, mesaVis, driContextPriv, 116 sharedContextPrivate, &functions)) { 117 FREE(i915); 118 return GL_FALSE; 119 } 120 121 _math_matrix_ctr(&intel->ViewportMatrix); 122 123 /* Initialize swrast, tnl driver tables: */ 124 intelInitSpanFuncs(ctx); 125 intelInitTriFuncs(ctx); 126 127 /* Install the customized pipeline: */ 128 _tnl_destroy_pipeline(ctx); 129 _tnl_install_pipeline(ctx, intel_pipeline); 130 131 if (intel->no_rast) 132 FALLBACK(intel, INTEL_FALLBACK_USER, 1); 133 134 ctx->Const.MaxTextureUnits = I915_TEX_UNITS; 135 ctx->Const.MaxTextureImageUnits = I915_TEX_UNITS; 136 ctx->Const.MaxTextureCoordUnits = I915_TEX_UNITS; 137 138 139 /* Advertise the full hardware capabilities. The new memory 140 * manager should cope much better with overload situations: 141 */ 142 ctx->Const.MaxTextureLevels = 12; 143 ctx->Const.Max3DTextureLevels = 9; 144 ctx->Const.MaxCubeTextureLevels = 12; 145 ctx->Const.MaxTextureRectSize = (1 << 11); 146 ctx->Const.MaxTextureUnits = I915_TEX_UNITS; 147 148 ctx->Const.MaxTextureMaxAnisotropy = 4.0; 149 150 /* GL_ARB_fragment_program limits - don't think Mesa actually 151 * validates programs against these, and in any case one ARB 152 * instruction can translate to more than one HW instruction, so 153 * we'll still have to check and fallback each time. 154 */ 155 ctx->Const.FragmentProgram.MaxNativeTemps = I915_MAX_TEMPORARY; 156 ctx->Const.FragmentProgram.MaxNativeAttribs = 11; /* 8 tex, 2 color, fog */ 157 ctx->Const.FragmentProgram.MaxNativeParameters = I915_MAX_CONSTANT; 158 ctx->Const.FragmentProgram.MaxNativeAluInstructions = I915_MAX_ALU_INSN; 159 ctx->Const.FragmentProgram.MaxNativeTexInstructions = I915_MAX_TEX_INSN; 160 ctx->Const.FragmentProgram.MaxNativeInstructions = (I915_MAX_ALU_INSN + 161 I915_MAX_TEX_INSN); 162 ctx->Const.FragmentProgram.MaxNativeTexIndirections = 163 I915_MAX_TEX_INDIRECT; 164 ctx->Const.FragmentProgram.MaxNativeAddressRegs = 0; /* I don't think we have one */ 165 166 ctx->FragmentProgram._MaintainTexEnvProgram = GL_TRUE; 167 168 ctx->Const.MaxDrawBuffers = 1; 169 170 _tnl_init_vertices(ctx, ctx->Const.MaxArrayLockSize + 12, 171 36 * sizeof(GLfloat)); 172 173 intel->verts = TNL_CONTEXT(ctx)->clipspace.vertex_buf; 174 175 i915InitState(i915); 176 177 return GL_TRUE; 178} 179