| /* |
| Copyright (C) Intel Corp. 2006. All Rights Reserved. |
| Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to |
| develop this 3D driver. |
| |
| 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, sublicense, 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 NONINFRINGEMENT. |
| IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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. |
| |
| **********************************************************************/ |
| /* |
| * Authors: |
| * Keith Whitwell <keith@tungstengraphics.com> |
| */ |
| |
| |
| #include "main/imports.h" |
| #include "main/api_noop.h" |
| #include "main/macros.h" |
| #include "main/simple_list.h" |
| #include "brw_context.h" |
| #include "brw_defines.h" |
| #include "brw_draw.h" |
| #include "brw_state.h" |
| #include "intel_span.h" |
| #include "tnl/t_pipeline.h" |
| |
| /*************************************** |
| * Mesa's Driver Functions |
| ***************************************/ |
| |
| static void brwInitDriverFunctions( struct dd_function_table *functions ) |
| { |
| intelInitDriverFunctions( functions ); |
| |
| brwInitFragProgFuncs( functions ); |
| brw_init_queryobj_functions(functions); |
| |
| functions->Enable = brw_enable; |
| functions->DepthRange = brw_depth_range; |
| } |
| |
| GLboolean brwCreateContext( int api, |
| const struct gl_config *mesaVis, |
| __DRIcontext *driContextPriv, |
| void *sharedContextPrivate) |
| { |
| struct dd_function_table functions; |
| struct brw_context *brw = (struct brw_context *) CALLOC_STRUCT(brw_context); |
| struct intel_context *intel = &brw->intel; |
| struct gl_context *ctx = &intel->ctx; |
| unsigned i; |
| |
| if (!brw) { |
| printf("%s: failed to alloc context\n", __FUNCTION__); |
| return GL_FALSE; |
| } |
| |
| brwInitVtbl( brw ); |
| brwInitDriverFunctions( &functions ); |
| |
| if (!intelInitContext( intel, api, mesaVis, driContextPriv, |
| sharedContextPrivate, &functions )) { |
| printf("%s: failed to init intel context\n", __FUNCTION__); |
| FREE(brw); |
| return GL_FALSE; |
| } |
| |
| /* Initialize swrast, tnl driver tables: */ |
| intelInitSpanFuncs(ctx); |
| |
| TNL_CONTEXT(ctx)->Driver.RunPipeline = _tnl_run_pipeline; |
| |
| ctx->Const.MaxDrawBuffers = BRW_MAX_DRAW_BUFFERS; |
| ctx->Const.MaxTextureImageUnits = BRW_MAX_TEX_UNIT; |
| ctx->Const.MaxTextureCoordUnits = 8; /* Mesa limit */ |
| ctx->Const.MaxTextureUnits = MIN2(ctx->Const.MaxTextureCoordUnits, |
| ctx->Const.MaxTextureImageUnits); |
| ctx->Const.MaxVertexTextureImageUnits = 0; /* no vertex shader textures */ |
| ctx->Const.MaxCombinedTextureImageUnits = |
| ctx->Const.MaxVertexTextureImageUnits + |
| ctx->Const.MaxTextureImageUnits; |
| |
| /* Mesa limits textures to 4kx4k; it would be nice to fix that someday |
| */ |
| ctx->Const.MaxTextureLevels = 13; |
| ctx->Const.Max3DTextureLevels = 9; |
| ctx->Const.MaxCubeTextureLevels = 12; |
| ctx->Const.MaxTextureRectSize = (1<<12); |
| |
| ctx->Const.MaxTextureMaxAnisotropy = 16.0; |
| |
| /* if conformance mode is set, swrast can handle any size AA point */ |
| ctx->Const.MaxPointSizeAA = 255.0; |
| |
| /* We want the GLSL compiler to emit code that uses condition codes */ |
| for (i = 0; i <= MESA_SHADER_FRAGMENT; i++) { |
| ctx->ShaderCompilerOptions[i].EmitCondCodes = GL_TRUE; |
| ctx->ShaderCompilerOptions[i].EmitNVTempInitialization = GL_TRUE; |
| ctx->ShaderCompilerOptions[i].EmitNoNoise = GL_TRUE; |
| ctx->ShaderCompilerOptions[i].EmitNoMainReturn = GL_TRUE; |
| ctx->ShaderCompilerOptions[i].EmitNoIndirectInput = GL_TRUE; |
| ctx->ShaderCompilerOptions[i].EmitNoIndirectOutput = GL_TRUE; |
| |
| ctx->ShaderCompilerOptions[i].EmitNoIndirectUniform = |
| (i == MESA_SHADER_FRAGMENT); |
| ctx->ShaderCompilerOptions[i].EmitNoIndirectTemp = |
| (i == MESA_SHADER_FRAGMENT); |
| |
| if (intel->gen == 6) |
| ctx->ShaderCompilerOptions[i].EmitNoIfs = GL_TRUE; |
| } |
| |
| ctx->Const.VertexProgram.MaxNativeInstructions = (16 * 1024); |
| ctx->Const.VertexProgram.MaxAluInstructions = 0; |
| ctx->Const.VertexProgram.MaxTexInstructions = 0; |
| ctx->Const.VertexProgram.MaxTexIndirections = 0; |
| ctx->Const.VertexProgram.MaxNativeAluInstructions = 0; |
| ctx->Const.VertexProgram.MaxNativeTexInstructions = 0; |
| ctx->Const.VertexProgram.MaxNativeTexIndirections = 0; |
| ctx->Const.VertexProgram.MaxNativeAttribs = 16; |
| ctx->Const.VertexProgram.MaxNativeTemps = 256; |
| ctx->Const.VertexProgram.MaxNativeAddressRegs = 1; |
| ctx->Const.VertexProgram.MaxNativeParameters = 1024; |
| ctx->Const.VertexProgram.MaxEnvParams = |
| MIN2(ctx->Const.VertexProgram.MaxNativeParameters, |
| ctx->Const.VertexProgram.MaxEnvParams); |
| |
| ctx->Const.FragmentProgram.MaxNativeInstructions = (16 * 1024); |
| ctx->Const.FragmentProgram.MaxNativeAluInstructions = (16 * 1024); |
| ctx->Const.FragmentProgram.MaxNativeTexInstructions = (16 * 1024); |
| ctx->Const.FragmentProgram.MaxNativeTexIndirections = (16 * 1024); |
| ctx->Const.FragmentProgram.MaxNativeAttribs = 12; |
| ctx->Const.FragmentProgram.MaxNativeTemps = 256; |
| ctx->Const.FragmentProgram.MaxNativeAddressRegs = 0; |
| ctx->Const.FragmentProgram.MaxNativeParameters = 1024; |
| ctx->Const.FragmentProgram.MaxEnvParams = |
| MIN2(ctx->Const.FragmentProgram.MaxNativeParameters, |
| ctx->Const.FragmentProgram.MaxEnvParams); |
| |
| if (intel->is_g4x || intel->gen >= 5) { |
| brw->CMD_VF_STATISTICS = CMD_VF_STATISTICS_GM45; |
| brw->CMD_PIPELINE_SELECT = CMD_PIPELINE_SELECT_GM45; |
| brw->has_surface_tile_offset = GL_TRUE; |
| if (intel->gen < 6) |
| brw->has_compr4 = GL_TRUE; |
| brw->has_aa_line_parameters = GL_TRUE; |
| brw->has_pln = GL_TRUE; |
| } else { |
| brw->CMD_VF_STATISTICS = CMD_VF_STATISTICS_965; |
| brw->CMD_PIPELINE_SELECT = CMD_PIPELINE_SELECT_965; |
| } |
| |
| /* WM maximum threads is number of EUs times number of threads per EU. */ |
| if (intel->gen >= 6) { |
| brw->urb.size = 1024; |
| brw->vs_max_threads = 60; |
| brw->wm_max_threads = 80; |
| } else if (intel->gen == 5) { |
| brw->urb.size = 1024; |
| brw->vs_max_threads = 72; |
| brw->wm_max_threads = 12 * 6; |
| } else if (intel->is_g4x) { |
| brw->urb.size = 384; |
| brw->vs_max_threads = 32; |
| brw->wm_max_threads = 10 * 5; |
| } else if (intel->gen < 6) { |
| brw->urb.size = 256; |
| brw->vs_max_threads = 16; |
| brw->wm_max_threads = 8 * 4; |
| brw->has_negative_rhw_bug = GL_TRUE; |
| } |
| |
| if (INTEL_DEBUG & DEBUG_SINGLE_THREAD) { |
| brw->vs_max_threads = 1; |
| brw->wm_max_threads = 1; |
| } |
| |
| brw_init_state( brw ); |
| |
| brw->curbe.last_buf = calloc(1, 4096); |
| brw->curbe.next_buf = calloc(1, 4096); |
| |
| brw->state.dirty.mesa = ~0; |
| brw->state.dirty.brw = ~0; |
| |
| brw->emit_state_always = 0; |
| |
| ctx->VertexProgram._MaintainTnlProgram = GL_TRUE; |
| ctx->FragmentProgram._MaintainTexEnvProgram = GL_TRUE; |
| |
| brw_draw_init( brw ); |
| |
| /* Now that most driver functions are hooked up, initialize some of the |
| * immediate state. |
| */ |
| brw_update_cc_vp(brw); |
| |
| return GL_TRUE; |
| } |
| |