diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/i915/i915_context.c')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/dri/i915/i915_context.c | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/i915/i915_context.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/i915/i915_context.c new file mode 100644 index 000000000..42f91241b --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/drivers/dri/i915/i915_context.c @@ -0,0 +1,181 @@ +/************************************************************************** + * + * 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 "array_cache/acache.h" + +#include "utils.h" +#include "i915_reg.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_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 ); + _ac_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; +} + + + +GLboolean i915CreateContext( const __GLcontextModes *mesaVis, + __DRIcontextPrivate *driContextPriv, + void *sharedContextPrivate) +{ + struct dd_function_table functions; + i915ContextPtr i915 = (i915ContextPtr) CALLOC_STRUCT(i915_context); + intelContextPtr intel = &i915->intel; + GLcontext *ctx = &intel->ctx; + + if (!i915) return GL_FALSE; + + i915InitVtbl( i915 ); + + i915InitDriverFunctions( &functions ); + + if (!intelInitContext( intel, mesaVis, driContextPriv, + sharedContextPrivate, &functions )) { + FREE(i915); + return GL_FALSE; + } + + ctx->Const.MaxTextureUnits = I915_TEX_UNITS; + ctx->Const.MaxTextureImageUnits = I915_TEX_UNITS; + ctx->Const.MaxTextureCoordUnits = I915_TEX_UNITS; + + intel->nr_heaps = 1; + intel->texture_heaps[0] = + driCreateTextureHeap( 0, intel, + intel->intelScreen->textureSize, + 12, + I830_NR_TEX_REGIONS, + intel->sarea->texList, + & intel->sarea->texAge, + & intel->swapped, + sizeof( struct i915_texture_object ), + (destroy_texture_object_t *)intelDestroyTexObj ); + + /* FIXME: driCalculateMaxTextureLevels assumes that mipmaps are + * tightly packed, but they're not in Intel graphics + * hardware. + */ + ctx->Const.MaxTextureUnits = 1; + driCalculateMaxTextureLevels( intel->texture_heaps, + intel->nr_heaps, + &intel->ctx.Const, + 4, + 11, /* max 2D texture size is 2048x2048 */ + 8, /* 3D texture */ + 11, /* cube texture. */ + 11, /* rect texture */ + 12, + GL_FALSE ); + 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.MaxFragmentProgramTemps = I915_MAX_TEMPORARY; + ctx->Const.MaxFragmentProgramAttribs = 11; /* 8 tex, 2 color, fog */ + ctx->Const.MaxFragmentProgramLocalParams = I915_MAX_CONSTANT; + ctx->Const.MaxFragmentProgramEnvParams = I915_MAX_CONSTANT; + ctx->Const.MaxFragmentProgramAluInstructions = I915_MAX_ALU_INSN; + ctx->Const.MaxFragmentProgramTexInstructions = I915_MAX_TEX_INSN; + ctx->Const.MaxFragmentProgramInstructions = (I915_MAX_ALU_INSN + + I915_MAX_TEX_INSN); + ctx->Const.MaxFragmentProgramTexIndirections = I915_MAX_TEX_INDIRECT; + ctx->Const.MaxFragmentProgramAddressRegs = 0; /* I don't think we have one */ + + + 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; +} + |