i830_context.rar

  • sdadfdaf
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  • Unix_Linux
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  • 2015-08-25 21:36
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State structure offsets - these will probably disappear.
i830_context.rar
  • i830_context.h
    6.7KB
  • i830_context.c
    3.7KB
内容介绍
/************************************************************************** * * 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 "i830_context.h" #include "main/imports.h" #include "tnl/tnl.h" #include "tnl/t_vertex.h" #include "tnl/t_context.h" #include "tnl/t_pipeline.h" #include "intel_span.h" #include "intel_tris.h" #include "../glsl/ralloc.h" /*************************************** * Mesa's Driver Functions ***************************************/ static void i830InitDriverFunctions(struct dd_function_table *functions) { intelInitDriverFunctions(functions); i830InitStateFuncs(functions); } extern const struct tnl_pipeline_stage *intel_pipeline[]; bool i830CreateContext(const struct gl_config * mesaVis, __DRIcontext * driContextPriv, void *sharedContextPrivate) { struct dd_function_table functions; struct i830_context *i830 = rzalloc(NULL, struct i830_context); struct intel_context *intel = &i830->intel; struct gl_context *ctx = &intel->ctx; if (!i830) return false; i830InitVtbl(i830); i830InitDriverFunctions(&functions); if (!intelInitContext(intel, __DRI_API_OPENGL, mesaVis, driContextPriv, sharedContextPrivate, &functions)) { FREE(i830); return false; } intel_init_texture_formats(ctx); _math_matrix_ctr(&intel->ViewportMatrix); /* 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); intel->ctx.Const.MaxTextureUnits = I830_TEX_UNITS; intel->ctx.Const.MaxTextureImageUnits = I830_TEX_UNITS; intel->ctx.Const.MaxTextureCoordUnits = I830_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 = 11; ctx->Const.MaxTextureRectSize = (1 << 11); ctx->Const.MaxTextureUnits = I830_TEX_UNITS; ctx->Const.MaxTextureMaxAnisotropy = 2.0; ctx->Const.MaxDrawBuffers = 1; _tnl_init_vertices(ctx, ctx->Const.MaxArrayLockSize + 12, 18 * sizeof(GLfloat)); intel->verts = TNL_CONTEXT(ctx)->clipspace.vertex_buf; i830InitState(i830); _tnl_allow_vertex_fog(ctx, 1); _tnl_allow_pixel_fog(ctx, 0); return true; }
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