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Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/tnl/t_context.c')
-rw-r--r--nx-X11/extras/Mesa/src/mesa/tnl/t_context.c294
1 files changed, 294 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/tnl/t_context.c b/nx-X11/extras/Mesa/src/mesa/tnl/t_context.c
new file mode 100644
index 000000000..3be8f8dd3
--- /dev/null
+++ b/nx-X11/extras/Mesa/src/mesa/tnl/t_context.c
@@ -0,0 +1,294 @@
+/*
+ * 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.
+ *
+ * Authors:
+ * Keith Whitwell <keith@tungstengraphics.com>
+ */
+
+
+#include "api_arrayelt.h"
+#include "glheader.h"
+#include "imports.h"
+#include "context.h"
+#include "macros.h"
+#include "mtypes.h"
+#include "dlist.h"
+#include "light.h"
+#include "vtxfmt.h"
+#include "nvfragprog.h"
+
+#include "tnl.h"
+#include "t_array_api.h"
+#include "t_context.h"
+#include "t_pipeline.h"
+#include "t_save_api.h"
+#include "t_vp_build.h"
+#include "t_vtx_api.h"
+
+
+
+void
+_tnl_MakeCurrent( GLcontext *ctx,
+ GLframebuffer *drawBuffer,
+ GLframebuffer *readBuffer )
+{
+ (void) ctx; (void) drawBuffer; (void) readBuffer;
+}
+
+
+static void
+install_driver_callbacks( GLcontext *ctx )
+{
+ ctx->Driver.NewList = _tnl_NewList;
+ ctx->Driver.EndList = _tnl_EndList;
+ ctx->Driver.FlushVertices = _tnl_FlushVertices;
+ ctx->Driver.SaveFlushVertices = _tnl_SaveFlushVertices;
+ ctx->Driver.MakeCurrent = _tnl_MakeCurrent;
+ ctx->Driver.BeginCallList = _tnl_BeginCallList;
+ ctx->Driver.EndCallList = _tnl_EndCallList;
+}
+
+
+
+GLboolean
+_tnl_CreateContext( GLcontext *ctx )
+{
+ TNLcontext *tnl;
+
+ /* Create the TNLcontext structure
+ */
+ ctx->swtnl_context = tnl = (TNLcontext *) CALLOC( sizeof(TNLcontext) );
+
+ if (!tnl) {
+ return GL_FALSE;
+ }
+
+ if (getenv("MESA_CODEGEN"))
+ tnl->AllowCodegen = GL_TRUE;
+
+ /* Initialize the VB.
+ */
+ tnl->vb.Size = ctx->Const.MaxArrayLockSize + MAX_CLIPPED_VERTICES;
+
+
+ /* Initialize tnl state and tnl->vtxfmt.
+ */
+ _tnl_save_init( ctx );
+ _tnl_array_init( ctx );
+ _tnl_vtx_init( ctx );
+
+ if (ctx->_MaintainTnlProgram)
+ _tnl_install_pipeline( ctx, _tnl_vp_pipeline );
+ else
+ _tnl_install_pipeline( ctx, _tnl_default_pipeline );
+
+ /* Initialize the arrayelt helper
+ */
+ if (!_ae_create_context( ctx ))
+ return GL_FALSE;
+
+
+ tnl->NeedNdcCoords = GL_TRUE;
+ tnl->LoopbackDListCassettes = GL_FALSE;
+ tnl->CalcDListNormalLengths = GL_TRUE;
+ tnl->AllowVertexFog = GL_TRUE;
+ tnl->AllowPixelFog = GL_TRUE;
+
+ /* Hook our functions into exec and compile dispatch tables.
+ */
+ _mesa_install_exec_vtxfmt( ctx, &tnl->exec_vtxfmt );
+
+
+ /* Set a few default values in the driver struct.
+ */
+ install_driver_callbacks(ctx);
+ ctx->Driver.NeedFlush = 0;
+ ctx->Driver.CurrentExecPrimitive = PRIM_OUTSIDE_BEGIN_END;
+ ctx->Driver.CurrentSavePrimitive = PRIM_UNKNOWN;
+
+ tnl->Driver.Render.PrimTabElts = _tnl_render_tab_elts;
+ tnl->Driver.Render.PrimTabVerts = _tnl_render_tab_verts;
+ tnl->Driver.NotifyMaterialChange = _mesa_validate_all_lighting_tables;
+
+ return GL_TRUE;
+}
+
+
+void
+_tnl_DestroyContext( GLcontext *ctx )
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+
+ _tnl_array_destroy( ctx );
+ _tnl_vtx_destroy( ctx );
+ _tnl_save_destroy( ctx );
+ _tnl_destroy_pipeline( ctx );
+ _ae_destroy_context( ctx );
+
+ _tnl_ProgramCacheDestroy( ctx );
+
+ FREE(tnl);
+ ctx->swtnl_context = NULL;
+}
+
+
+void
+_tnl_InvalidateState( GLcontext *ctx, GLuint new_state )
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+
+ if (new_state & (_NEW_HINT)) {
+ ASSERT(tnl->AllowVertexFog || tnl->AllowPixelFog);
+ tnl->_DoVertexFog = (tnl->AllowVertexFog && (ctx->Hint.Fog != GL_NICEST))
+ || !tnl->AllowPixelFog;
+ }
+
+ _ae_invalidate_state(ctx, new_state);
+
+ tnl->pipeline.new_state |= new_state;
+ tnl->vtx.eval.new_state |= new_state;
+
+ /* Calculate tnl->render_inputs:
+ */
+ if (ctx->Visual.rgbMode) {
+ tnl->render_inputs = (_TNL_BIT_POS|
+ _TNL_BIT_COLOR0|
+ (ctx->Texture._EnabledCoordUnits << _TNL_ATTRIB_TEX0));
+
+ if (NEED_SECONDARY_COLOR(ctx))
+ tnl->render_inputs |= _TNL_BIT_COLOR1;
+ }
+ else {
+ tnl->render_inputs |= (_TNL_BIT_POS|_TNL_BIT_INDEX);
+ }
+
+ if (ctx->Fog.Enabled ||
+ (ctx->FragmentProgram._Active &&
+ ctx->FragmentProgram._Current->FogOption != GL_NONE))
+ tnl->render_inputs |= _TNL_BIT_FOG;
+
+ if (ctx->Polygon.FrontMode != GL_FILL ||
+ ctx->Polygon.BackMode != GL_FILL)
+ tnl->render_inputs |= _TNL_BIT_EDGEFLAG;
+
+ if (ctx->RenderMode == GL_FEEDBACK)
+ tnl->render_inputs |= _TNL_BIT_TEX0;
+
+ if (ctx->Point._Attenuated ||
+ (ctx->VertexProgram._Enabled && ctx->VertexProgram.PointSizeEnabled))
+ tnl->render_inputs |= _TNL_BIT_POINTSIZE;
+}
+
+
+void
+_tnl_wakeup_exec( GLcontext *ctx )
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+
+ install_driver_callbacks(ctx);
+ ctx->Driver.NeedFlush |= FLUSH_UPDATE_CURRENT;
+
+ /* Hook our functions into exec and compile dispatch tables.
+ */
+ _mesa_install_exec_vtxfmt( ctx, &tnl->exec_vtxfmt );
+
+ /* Call all appropriate driver callbacks to revive state.
+ */
+ _tnl_MakeCurrent( ctx, ctx->DrawBuffer, ctx->ReadBuffer );
+
+ /* Assume we haven't been getting state updates either:
+ */
+ _tnl_InvalidateState( ctx, ~0 );
+
+ if (ctx->Light.ColorMaterialEnabled) {
+ _mesa_update_color_material( ctx,
+ ctx->Current.Attrib[VERT_ATTRIB_COLOR0] );
+ }
+}
+
+
+void
+_tnl_wakeup_save_exec( GLcontext *ctx )
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+
+ _tnl_wakeup_exec( ctx );
+ _mesa_install_save_vtxfmt( ctx, &tnl->save_vtxfmt );
+}
+
+
+/**
+ * Drivers call this function to tell the TCL module whether or not
+ * it wants Normalized Device Coords (NDC) computed. I.e. whether
+ * we should "Divide-by-W". Software renders will want that.
+ */
+void
+_tnl_need_projected_coords( GLcontext *ctx, GLboolean mode )
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ if (tnl->NeedNdcCoords != mode) {
+ tnl->NeedNdcCoords = mode;
+ _tnl_InvalidateState( ctx, _NEW_PROJECTION );
+ }
+}
+
+void
+_tnl_need_dlist_loopback( GLcontext *ctx, GLboolean mode )
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ tnl->LoopbackDListCassettes = mode;
+}
+
+void
+_tnl_need_dlist_norm_lengths( GLcontext *ctx, GLboolean mode )
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ tnl->CalcDListNormalLengths = mode;
+}
+
+void
+_tnl_isolate_materials( GLcontext *ctx, GLboolean mode )
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ tnl->IsolateMaterials = mode;
+}
+
+void
+_tnl_allow_vertex_fog( GLcontext *ctx, GLboolean value )
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ tnl->AllowVertexFog = value;
+ tnl->_DoVertexFog = (tnl->AllowVertexFog && (ctx->Hint.Fog != GL_NICEST))
+ || !tnl->AllowPixelFog;
+
+}
+
+void
+_tnl_allow_pixel_fog( GLcontext *ctx, GLboolean value )
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ tnl->AllowPixelFog = value;
+ tnl->_DoVertexFog = (tnl->AllowVertexFog && (ctx->Hint.Fog != GL_NICEST))
+ || !tnl->AllowPixelFog;
+}
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-02 17:26:57 +0000