/************************************************************************** * * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sub license, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial portions * of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. * **************************************************************************/ #include "i915_context.h" #include "main/imports.h" #include "intel_tex.h" #include "intel_tris.h" #include "tnl/t_context.h" #include "tnl/t_pipeline.h" #include "tnl/t_vertex.h" #include "swrast/swrast.h" #include "swrast_setup/swrast_setup.h" #include "tnl/tnl.h" #include "utils.h" #include "i915_reg.h" #include "intel_regions.h" #include "intel_batchbuffer.h" #include "intel_tris.h" #include "intel_span.h" #include "intel_pixel.h" /*************************************** * Mesa's Driver Functions ***************************************/ static const struct dri_extension i915_extensions[] = { {"GL_ARB_depth_texture", NULL}, {"GL_ARB_fragment_program", NULL}, {"GL_ARB_shadow", NULL}, {"GL_ARB_texture_non_power_of_two", NULL}, {"GL_EXT_shadow_funcs", NULL}, /* ARB extn won't work if not enabled */ {"GL_SGIX_depth_texture", NULL}, {NULL, NULL} }; /* Override intel default. */ static void i915InvalidateState(GLcontext * ctx, GLuint new_state) { _swrast_InvalidateState(ctx, new_state); _swsetup_InvalidateState(ctx, new_state); _vbo_InvalidateState(ctx, new_state); _tnl_InvalidateState(ctx, new_state); _tnl_invalidate_vertex_state(ctx, new_state); intel_context(ctx)->NewGLState |= new_state; /* Todo: gather state values under which tracked parameters become * invalidated, add callbacks for things like * ProgramLocalParameters, etc. */ { struct i915_fragment_program *p = (struct i915_fragment_program *) ctx->FragmentProgram._Current; if (p && p->nr_params) p->params_uptodate = 0; } if (new_state & (_NEW_FOG | _NEW_HINT | _NEW_PROGRAM)) i915_update_fog(ctx); } static void i915InitDriverFunctions(struct dd_function_table *functions) { intelInitDriverFunctions(functions); i915InitStateFunctions(functions); i915InitTextureFuncs(functions); i915InitFragProgFuncs(functions); functions->UpdateState = i915InvalidateState; } extern const struct tnl_pipeline_stage *intel_pipeline[]; GLboolean i915CreateContext(const __GLcontextModes * mesaVis, __DRIcontextPrivate * driContextPriv, void *sharedContextPrivate) { struct dd_function_table functions; struct i915_context *i915 = (struct i915_context *) CALLOC_STRUCT(i915_context); struct intel_context *intel = &i915->intel; GLcontext *ctx = &intel->ctx; if (!i915) return GL_FALSE; if (0) _mesa_printf("\ntexmem-0-3 branch\n\n"); i915InitVtbl(i915); i915InitMetaFuncs(i915); i915InitDriverFunctions(&functions); if (!intelInitContext(intel, mesaVis, driContextPriv, sharedContextPrivate, &functions)) { FREE(i915); return GL_FALSE; } /* Initialize swrast, tnl driver tables: */ intelInitSpanFuncs(ctx); intelInitTriFuncs(ctx); /* Install the customized pipeline: */ _tnl_destroy_pipeline(ctx); _tnl_install_pipeline(ctx, intel_pipeline); if (intel->no_rast) FALLBACK(intel, INTEL_FALLBACK_USER, 1); ctx->Const.MaxTextureUnits = I915_TEX_UNITS; ctx->Const.MaxTextureImageUnits = I915_TEX_UNITS; ctx->Const.MaxTextureCoordUnits = I915_TEX_UNITS; /* Advertise the full hardware capabilities. The new memory * manager should cope much better with overload situations: */ ctx->Const.MaxTextureLevels = 12; ctx->Const.Max3DTextureLevels = 9; ctx->Const.MaxCubeTextureLevels = 12; ctx->Const.MaxTextureRectSize = (1 << 11); ctx->Const.MaxTextureUnits = I915_TEX_UNITS; /* GL_ARB_fragment_program limits - don't think Mesa actually * validates programs against these, and in any case one ARB * instruction can translate to more than one HW instruction, so * we'll still have to check and fallback each time. */ ctx->Const.FragmentProgram.MaxNativeTemps = I915_MAX_TEMPORARY; ctx->Const.FragmentProgram.MaxNativeAttribs = 11; /* 8 tex, 2 color, fog */ ctx->Const.FragmentProgram.MaxNativeParameters = I915_MAX_CONSTANT; ctx->Const.FragmentProgram.MaxNativeAluInstructions = I915_MAX_ALU_INSN; ctx->Const.FragmentProgram.MaxNativeTexInstructions = I915_MAX_TEX_INSN; ctx->Const.FragmentProgram.MaxNativeInstructions = (I915_MAX_ALU_INSN + I915_MAX_TEX_INSN); ctx->Const.FragmentProgram.MaxNativeTexIndirections = I915_MAX_TEX_INDIRECT; ctx->Const.FragmentProgram.MaxNativeAddressRegs = 0; /* I don't think we have one */ ctx->FragmentProgram._MaintainTexEnvProgram = GL_TRUE; ctx->FragmentProgram._UseTexEnvProgram = GL_TRUE; driInitExtensions(ctx, i915_extensions, GL_FALSE); _tnl_init_vertices(ctx, ctx->Const.MaxArrayLockSize + 12, 36 * sizeof(GLfloat)); intel->verts = TNL_CONTEXT(ctx)->clipspace.vertex_buf; i915InitState(i915); return GL_TRUE; }