/************************************************************************** * * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. * All Rights Reserved. * **************************************************************************/ #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 char * const card_extensions[] = { "GL_ARB_fragment_program", "GL_ARB_texture_cube_map", "GL_EXT_blend_equation_separate", "GL_ATI_blend_equation_separate", "GL_ARB_point_parameters", 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->nr_params) p->params_uptodate = 0; } } /* This is the extension list explicitly enabled by the client and * excludes functionality available in Mesa and also excludes legacy * extensions. It is recognized that in an open source driver, those * extensions will probably be re-enabled. */ static const GLubyte *i915GetString( GLcontext *ctx, GLenum name ) { if (name == GL_EXTENSIONS) return "GL_ARB_fragment_program " "GL_ARB_multitexture " "GL_ARB_point_parameters " "GL_ARB_texture_border_clamp " "GL_ARB_texture_compression " "GL_ARB_texture_cube_map " "GL_ARB_texture_env_add " "GL_ARB_texture_env_combine " "GL_ARB_texture_env_dot3 " "GL_ARB_texture_mirrored_repeat " "GL_ARB_transpose_matrix " "GL_ARB_vertex_buffer_object " "GL_ARB_vertex_program " "GL_ARB_window_pos " "GL_EXT_abgr " "GL_EXT_bgra " "GL_EXT_blend_color " "GL_EXT_blend_func_separate " "GL_EXT_blend_minmax " "GL_EXT_blend_subtract " "GL_EXT_clip_volume_hint " "GL_EXT_compiled_vertex_array " "GL_EXT_draw_range_elements " "GL_EXT_fog_coord " "GL_EXT_multi_draw_arrays " "GL_EXT_packed_pixels " "GL_EXT_rescale_normal " "GL_EXT_secondary_color " "GL_EXT_separate_specular_color " "GL_EXT_stencil_wrap " "GL_EXT_texture3D " "GL_EXT_texture_env_add " "GL_EXT_texture_env_combine " "GL_EXT_texture_filter_anisotropic " "GL_IBM_texture_mirrored_repeat " "GL_MESA_ycbcr_texture " "GL_MESA_window_pos " "GL_NV_texgen_reflection " "GL_SGIS_generate_mipmap"; return intelGetString( ctx, name ); } static void i915InitDriverFunctions( struct dd_function_table *functions ) { intelInitDriverFunctions( functions ); i915InitStateFunctions( functions ); i915InitTextureFuncs( functions ); i915InitFragProgFuncs( functions ); functions->UpdateState = i915InvalidateState; functions->GetString = i915GetString; } 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 * FIXME: 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. */ 0, /* max RECT. supported, but not enabled */ 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, card_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; }