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-rw-r--r--nx-X11/extras/Mesa/src/mesa/tnl/t_vb_light.c362
1 files changed, 0 insertions, 362 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/tnl/t_vb_light.c b/nx-X11/extras/Mesa/src/mesa/tnl/t_vb_light.c
deleted file mode 100644
index 1deab4d43..000000000
--- a/nx-X11/extras/Mesa/src/mesa/tnl/t_vb_light.c
+++ /dev/null
@@ -1,362 +0,0 @@
-/*
- * Mesa 3-D graphics library
- * Version: 6.3
- *
- * Copyright (C) 1999-2005 Brian Paul 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, 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 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
- * BRIAN PAUL 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 "glheader.h"
-#include "colormac.h"
-#include "light.h"
-#include "macros.h"
-#include "imports.h"
-#include "simple_list.h"
-#include "mtypes.h"
-
-#include "math/m_translate.h"
-
-#include "t_context.h"
-#include "t_pipeline.h"
-
-#define LIGHT_TWOSIDE 0x1
-#define LIGHT_MATERIAL 0x2
-#define MAX_LIGHT_FUNC 0x4
-
-typedef void (*light_func)( GLcontext *ctx,
- struct vertex_buffer *VB,
- struct tnl_pipeline_stage *stage,
- GLvector4f *input );
-
-/**
- * Information for updating current material attributes from vertex color,
- * for GL_COLOR_MATERIAL.
- */
-struct material_cursor {
- const GLfloat *ptr; /* points to src vertex color (in VB array) */
- GLuint stride; /* stride to next vertex color (bytes) */
- GLfloat *current; /* points to material attribute to update */
- GLuint size; /* vertex/color size: 1, 2, 3 or 4 */
-};
-
-/**
- * Data private to this pipeline stage.
- */
-struct light_stage_data {
- GLvector4f Input;
- GLvector4f LitColor[2];
- GLvector4f LitSecondary[2];
- GLvector4f LitIndex[2];
- light_func *light_func_tab;
-
- struct material_cursor mat[MAT_ATTRIB_MAX];
- GLuint mat_count;
- GLuint mat_bitmask;
-};
-
-
-#define LIGHT_STAGE_DATA(stage) ((struct light_stage_data *)(stage->privatePtr))
-
-
-
-/**
- * In the case of colormaterial, the effected material attributes
- * should already have been bound to point to the incoming color data,
- * prior to running the pipeline.
- * This function copies the vertex's color to the material attributes
- * which are tracking glColor.
- * It's called per-vertex in the lighting loop.
- */
-static void
-update_materials(GLcontext *ctx, struct light_stage_data *store)
-{
- GLuint i;
-
- for (i = 0 ; i < store->mat_count ; i++) {
- /* update the material */
- COPY_CLEAN_4V(store->mat[i].current, store->mat[i].size, store->mat[i].ptr);
- /* increment src vertex color pointer */
- STRIDE_F(store->mat[i].ptr, store->mat[i].stride);
- }
-
- /* recompute derived light/material values */
- _mesa_update_material( ctx, store->mat_bitmask );
- /* XXX we should only call this if we're tracking/changing the specular
- * exponent.
- */
- _mesa_validate_all_lighting_tables( ctx );
-}
-
-
-/**
- * Prepare things prior to running the lighting stage.
- * Return number of material attributes which will track vertex color.
- */
-static GLuint
-prepare_materials(GLcontext *ctx,
- struct vertex_buffer *VB, struct light_stage_data *store)
-{
- GLuint i;
-
- store->mat_count = 0;
- store->mat_bitmask = 0;
-
- /* Examine the ColorMaterialBitmask to determine which materials
- * track vertex color. Override the material attribute's pointer
- * with the color pointer for each one.
- */
- if (ctx->Light.ColorMaterialEnabled) {
- const GLuint bitmask = ctx->Light.ColorMaterialBitmask;
- for (i = 0 ; i < MAT_ATTRIB_MAX ; i++)
- if (bitmask & (1<<i))
- VB->AttribPtr[_TNL_ATTRIB_MAT_FRONT_AMBIENT + i] = VB->ColorPtr[0];
- }
-
- /* Now, for each material attribute that's tracking vertex color, save
- * some values (ptr, stride, size, current) that we'll need in
- * update_materials(), above, that'll actually copy the vertex color to
- * the material attribute(s).
- */
- for (i = _TNL_ATTRIB_MAT_FRONT_AMBIENT ; i < _TNL_ATTRIB_INDEX ; i++) {
- if (VB->AttribPtr[i]->stride) {
- const GLuint j = store->mat_count++;
- const GLuint attr = i - _TNL_ATTRIB_MAT_FRONT_AMBIENT;
- store->mat[j].ptr = VB->AttribPtr[i]->start;
- store->mat[j].stride = VB->AttribPtr[i]->stride;
- store->mat[j].size = VB->AttribPtr[i]->size;
- store->mat[j].current = ctx->Light.Material.Attrib[attr];
- store->mat_bitmask |= (1<<attr);
- }
- }
-
- /* FIXME: Is this already done?
- */
- _mesa_update_material( ctx, ~0 );
- _mesa_validate_all_lighting_tables( ctx );
-
- return store->mat_count;
-}
-
-/* Tables for all the shading functions.
- */
-static light_func _tnl_light_tab[MAX_LIGHT_FUNC];
-static light_func _tnl_light_fast_tab[MAX_LIGHT_FUNC];
-static light_func _tnl_light_fast_single_tab[MAX_LIGHT_FUNC];
-static light_func _tnl_light_spec_tab[MAX_LIGHT_FUNC];
-static light_func _tnl_light_ci_tab[MAX_LIGHT_FUNC];
-
-#define TAG(x) x
-#define IDX (0)
-#include "t_vb_lighttmp.h"
-
-#define TAG(x) x##_twoside
-#define IDX (LIGHT_TWOSIDE)
-#include "t_vb_lighttmp.h"
-
-#define TAG(x) x##_material
-#define IDX (LIGHT_MATERIAL)
-#include "t_vb_lighttmp.h"
-
-#define TAG(x) x##_twoside_material
-#define IDX (LIGHT_TWOSIDE|LIGHT_MATERIAL)
-#include "t_vb_lighttmp.h"
-
-
-static void init_lighting_tables( void )
-{
- static int done;
-
- if (!done) {
- init_light_tab();
- init_light_tab_twoside();
- init_light_tab_material();
- init_light_tab_twoside_material();
- done = 1;
- }
-}
-
-
-static GLboolean run_lighting( GLcontext *ctx,
- struct tnl_pipeline_stage *stage )
-{
- struct light_stage_data *store = LIGHT_STAGE_DATA(stage);
- TNLcontext *tnl = TNL_CONTEXT(ctx);
- struct vertex_buffer *VB = &tnl->vb;
- GLvector4f *input = ctx->_NeedEyeCoords ? VB->EyePtr : VB->ObjPtr;
- GLuint idx;
-
- if (!ctx->Light.Enabled || ctx->VertexProgram._Enabled)
- return GL_TRUE;
-
- /* Make sure we can talk about position x,y and z:
- */
- if (input->size <= 2 && input == VB->ObjPtr) {
-
- _math_trans_4f( store->Input.data,
- VB->ObjPtr->data,
- VB->ObjPtr->stride,
- GL_FLOAT,
- VB->ObjPtr->size,
- 0,
- VB->Count );
-
- if (input->size <= 2) {
- /* Clean z.
- */
- _mesa_vector4f_clean_elem(&store->Input, VB->Count, 2);
- }
-
- if (input->size <= 1) {
- /* Clean y.
- */
- _mesa_vector4f_clean_elem(&store->Input, VB->Count, 1);
- }
-
- input = &store->Input;
- }
-
- idx = 0;
-
- if (prepare_materials( ctx, VB, store ))
- idx |= LIGHT_MATERIAL;
-
- if (ctx->Light.Model.TwoSide)
- idx |= LIGHT_TWOSIDE;
-
- /* The individual functions know about replaying side-effects
- * vs. full re-execution.
- */
- store->light_func_tab[idx]( ctx, VB, stage, input );
-
- VB->AttribPtr[_TNL_ATTRIB_COLOR0] = VB->ColorPtr[0];
- VB->AttribPtr[_TNL_ATTRIB_COLOR1] = VB->SecondaryColorPtr[0];
- VB->AttribPtr[_TNL_ATTRIB_INDEX] = VB->IndexPtr[0];
-
- return GL_TRUE;
-}
-
-
-/* Called in place of do_lighting when the light table may have changed.
- */
-static void validate_lighting( GLcontext *ctx,
- struct tnl_pipeline_stage *stage )
-{
- light_func *tab;
-
- if (!ctx->Light.Enabled || ctx->VertexProgram._Enabled)
- return;
-
- if (ctx->Visual.rgbMode) {
- if (ctx->Light._NeedVertices) {
- if (ctx->Light.Model.ColorControl == GL_SEPARATE_SPECULAR_COLOR)
- tab = _tnl_light_spec_tab;
- else
- tab = _tnl_light_tab;
- }
- else {
- if (ctx->Light.EnabledList.next == ctx->Light.EnabledList.prev)
- tab = _tnl_light_fast_single_tab;
- else
- tab = _tnl_light_fast_tab;
- }
- }
- else
- tab = _tnl_light_ci_tab;
-
-
- LIGHT_STAGE_DATA(stage)->light_func_tab = tab;
-
- /* This and the above should only be done on _NEW_LIGHT:
- */
- TNL_CONTEXT(ctx)->Driver.NotifyMaterialChange( ctx );
-}
-
-
-
-/* Called the first time stage->run is called. In effect, don't
- * allocate data until the first time the stage is run.
- */
-static GLboolean init_lighting( GLcontext *ctx,
- struct tnl_pipeline_stage *stage )
-{
- TNLcontext *tnl = TNL_CONTEXT(ctx);
- struct light_stage_data *store;
- GLuint size = tnl->vb.Size;
-
- stage->privatePtr = MALLOC(sizeof(*store));
- store = LIGHT_STAGE_DATA(stage);
- if (!store)
- return GL_FALSE;
-
- /* Do onetime init.
- */
- init_lighting_tables();
-
- _mesa_vector4f_alloc( &store->Input, 0, size, 32 );
- _mesa_vector4f_alloc( &store->LitColor[0], 0, size, 32 );
- _mesa_vector4f_alloc( &store->LitColor[1], 0, size, 32 );
- _mesa_vector4f_alloc( &store->LitSecondary[0], 0, size, 32 );
- _mesa_vector4f_alloc( &store->LitSecondary[1], 0, size, 32 );
- _mesa_vector4f_alloc( &store->LitIndex[0], 0, size, 32 );
- _mesa_vector4f_alloc( &store->LitIndex[1], 0, size, 32 );
-
- store->LitColor[0].size = 4;
- store->LitColor[1].size = 4;
- store->LitSecondary[0].size = 3;
- store->LitSecondary[1].size = 3;
-
- store->LitIndex[0].size = 1;
- store->LitIndex[0].stride = sizeof(GLfloat);
- store->LitIndex[1].size = 1;
- store->LitIndex[1].stride = sizeof(GLfloat);
-
- return GL_TRUE;
-}
-
-
-
-
-static void dtr( struct tnl_pipeline_stage *stage )
-{
- struct light_stage_data *store = LIGHT_STAGE_DATA(stage);
-
- if (store) {
- _mesa_vector4f_free( &store->Input );
- _mesa_vector4f_free( &store->LitColor[0] );
- _mesa_vector4f_free( &store->LitColor[1] );
- _mesa_vector4f_free( &store->LitSecondary[0] );
- _mesa_vector4f_free( &store->LitSecondary[1] );
- _mesa_vector4f_free( &store->LitIndex[0] );
- _mesa_vector4f_free( &store->LitIndex[1] );
- FREE( store );
- stage->privatePtr = NULL;
- }
-}
-
-const struct tnl_pipeline_stage _tnl_lighting_stage =
-{
- "lighting", /* name */
- NULL, /* private_data */
- init_lighting,
- dtr, /* destroy */
- validate_lighting,
- run_lighting
-};
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