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-rw-r--r--nx-X11/extras/Mesa/src/mesa/swrast_setup/ss_context.c250
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diff --git a/nx-X11/extras/Mesa/src/mesa/swrast_setup/ss_context.c b/nx-X11/extras/Mesa/src/mesa/swrast_setup/ss_context.c
new file mode 100644
index 000000000..c63646ca9
--- /dev/null
+++ b/nx-X11/extras/Mesa/src/mesa/swrast_setup/ss_context.c
@@ -0,0 +1,250 @@
+/*
+ * Mesa 3-D graphics library
+ * Version: 6.1
+ *
+ * Copyright (C) 1999-2004 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.
+ *
+ * Authors:
+ * Keith Whitwell <keith@tungstengraphics.com>
+ */
+
+#include "glheader.h"
+#include "imports.h"
+#include "colormac.h"
+#include "ss_context.h"
+#include "ss_triangle.h"
+#include "swrast_setup.h"
+#include "tnl/tnl.h"
+#include "tnl/t_context.h"
+#include "tnl/t_pipeline.h"
+#include "tnl/t_vertex.h"
+
+/* Need to check lighting state and vertex program state to know
+ * if two-sided lighting is in effect.
+ */
+#define _SWSETUP_NEW_RENDERINDEX (_NEW_POLYGON|_NEW_LIGHT|_NEW_PROGRAM)
+
+
+GLboolean
+_swsetup_CreateContext( GLcontext *ctx )
+{
+ SScontext *swsetup = (SScontext *)CALLOC(sizeof(SScontext));
+
+ if (!swsetup)
+ return GL_FALSE;
+
+ ctx->swsetup_context = swsetup;
+
+ swsetup->NewState = ~0;
+ _swsetup_trifuncs_init( ctx );
+
+ _tnl_init_vertices( ctx, ctx->Const.MaxArrayLockSize + 12,
+ sizeof(SWvertex) );
+
+
+ return GL_TRUE;
+}
+
+void
+_swsetup_DestroyContext( GLcontext *ctx )
+{
+ SScontext *swsetup = SWSETUP_CONTEXT(ctx);
+
+ if (swsetup) {
+ FREE(swsetup);
+ ctx->swsetup_context = 0;
+ }
+
+ _tnl_free_vertices( ctx );
+}
+
+static void
+_swsetup_RenderPrimitive( GLcontext *ctx, GLenum mode )
+{
+ SWSETUP_CONTEXT(ctx)->render_prim = mode;
+ _swrast_render_primitive( ctx, mode );
+}
+
+#define SWZ ((SWvertex *)0)
+#define SWOffset(MEMBER) (((char *)&(SWZ->MEMBER)) - ((char *)SWZ))
+
+#define EMIT_ATTR( ATTR, STYLE, MEMBER ) \
+do { \
+ map[e].attrib = (ATTR); \
+ map[e].format = (STYLE); \
+ map[e].offset = SWOffset(MEMBER); \
+ e++; \
+} while (0)
+
+
+/*
+ * We patch this function into tnl->Driver.Render.Start.
+ * It's called when we start rendering a vertex buffer.
+ */
+static void
+_swsetup_RenderStart( GLcontext *ctx )
+{
+ SScontext *swsetup = SWSETUP_CONTEXT(ctx);
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ struct vertex_buffer *VB = &tnl->vb;
+ GLuint new_state = swsetup->NewState;
+
+ if (new_state & _SWSETUP_NEW_RENDERINDEX) {
+ _swsetup_choose_trifuncs( ctx );
+ }
+
+ swsetup->NewState = 0;
+
+ _swrast_render_start( ctx );
+
+ /* Important:
+ */
+ VB->AttribPtr[VERT_ATTRIB_POS] = VB->NdcPtr;
+
+
+ if (tnl->render_inputs != swsetup->last_index) {
+ GLuint index = tnl->render_inputs;
+ struct tnl_attr_map map[_TNL_ATTRIB_MAX];
+ int i, e = 0;
+
+ EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_4F_VIEWPORT, win );
+
+ if (index & _TNL_BIT_COLOR0)
+ EMIT_ATTR( _TNL_ATTRIB_COLOR0, EMIT_4CHAN_4F_RGBA, color );
+
+ if (index & _TNL_BIT_COLOR1)
+ EMIT_ATTR( _TNL_ATTRIB_COLOR1, EMIT_4CHAN_4F_RGBA, specular);
+
+ if (index & _TNL_BIT_FOG)
+ EMIT_ATTR( _TNL_ATTRIB_FOG, EMIT_1F, fog);
+
+ if (index & _TNL_BITS_TEX_ANY) {
+ for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++) {
+ if (index & _TNL_BIT_TEX(i)) {
+ EMIT_ATTR( _TNL_ATTRIB_TEX0+i, EMIT_4F, texcoord[i] );
+ }
+ }
+ }
+
+ if (index & _TNL_BIT_INDEX)
+ EMIT_ATTR( _TNL_ATTRIB_INDEX, EMIT_1F, index );
+
+ if (index & _TNL_BIT_POINTSIZE)
+ EMIT_ATTR( _TNL_ATTRIB_POINTSIZE, EMIT_1F, pointSize );
+
+ _tnl_install_attrs( ctx, map, e,
+ ctx->Viewport._WindowMap.m,
+ sizeof(SWvertex) );
+
+ swsetup->last_index = index;
+ }
+
+}
+
+/*
+ * We patch this function into tnl->Driver.Render.Finish.
+ * It's called when we finish rendering a vertex buffer.
+ */
+static void
+_swsetup_RenderFinish( GLcontext *ctx )
+{
+ _swrast_render_finish( ctx );
+}
+
+void
+_swsetup_InvalidateState( GLcontext *ctx, GLuint new_state )
+{
+ SScontext *swsetup = SWSETUP_CONTEXT(ctx);
+ swsetup->NewState |= new_state;
+ _tnl_invalidate_vertex_state( ctx, new_state );
+}
+
+
+void
+_swsetup_Wakeup( GLcontext *ctx )
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ SScontext *swsetup = SWSETUP_CONTEXT(ctx);
+
+ tnl->Driver.Render.Start = _swsetup_RenderStart;
+ tnl->Driver.Render.Finish = _swsetup_RenderFinish;
+ tnl->Driver.Render.PrimitiveNotify = _swsetup_RenderPrimitive;
+ tnl->Driver.Render.Interp = _tnl_interp;
+ tnl->Driver.Render.CopyPV = _tnl_copy_pv;
+ tnl->Driver.Render.ClippedPolygon = _tnl_RenderClippedPolygon; /* new */
+ tnl->Driver.Render.ClippedLine = _tnl_RenderClippedLine; /* new */
+ /* points */
+ /* line */
+ /* triangle */
+ /* quad */
+ tnl->Driver.Render.PrimTabVerts = _tnl_render_tab_verts;
+ tnl->Driver.Render.PrimTabElts = _tnl_render_tab_elts;
+ tnl->Driver.Render.ResetLineStipple = _swrast_ResetLineStipple;
+ tnl->Driver.Render.BuildVertices = _tnl_build_vertices;
+ tnl->Driver.Render.Multipass = 0;
+
+ _tnl_invalidate_vertices( ctx, ~0 );
+ _tnl_need_projected_coords( ctx, GL_TRUE );
+ _swsetup_InvalidateState( ctx, ~0 );
+
+ swsetup->verts = (SWvertex *)tnl->clipspace.vertex_buf;
+ swsetup->last_index = 0;
+}
+
+
+
+
+
+/* Populate a swrast SWvertex from an attrib-style vertex.
+ */
+void
+_swsetup_Translate( GLcontext *ctx, const void *vertex, SWvertex *dest )
+{
+ const GLfloat *m = ctx->Viewport._WindowMap.m;
+ GLfloat tmp[4];
+ GLuint i;
+
+ _tnl_get_attr( ctx, vertex, _TNL_ATTRIB_POS, tmp );
+
+ dest->win[0] = m[0] * tmp[0] + m[12];
+ dest->win[1] = m[5] * tmp[1] + m[13];
+ dest->win[2] = m[10] * tmp[2] + m[14];
+ dest->win[3] = tmp[3];
+
+
+ for (i = 0 ; i < ctx->Const.MaxTextureUnits ; i++)
+ _tnl_get_attr( ctx, vertex, _TNL_ATTRIB_TEX0+i, dest->texcoord[i] );
+
+ _tnl_get_attr( ctx, vertex, _TNL_ATTRIB_COLOR0, tmp );
+ UNCLAMPED_FLOAT_TO_RGBA_CHAN( dest->color, tmp );
+
+ _tnl_get_attr( ctx, vertex, _TNL_ATTRIB_COLOR1, tmp );
+ UNCLAMPED_FLOAT_TO_RGBA_CHAN( dest->specular, tmp );
+
+ _tnl_get_attr( ctx, vertex, _TNL_ATTRIB_FOG, tmp );
+ dest->fog = tmp[0];
+
+ _tnl_get_attr( ctx, vertex, _TNL_ATTRIB_INDEX, tmp );
+ dest->index = (GLuint) tmp[0];
+
+ _tnl_get_attr( ctx, vertex, _TNL_ATTRIB_POINTSIZE, tmp );
+ dest->pointSize = tmp[0];
+}
+
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