| /************************************************************************** |
| * |
| * 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 "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); |
| |
| 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; |
| } |