diff options
Diffstat (limited to 'mesalib/src/mesa/vbo/vbo_save_loopback.c')
-rw-r--r-- | mesalib/src/mesa/vbo/vbo_save_loopback.c | 392 |
1 files changed, 196 insertions, 196 deletions
diff --git a/mesalib/src/mesa/vbo/vbo_save_loopback.c b/mesalib/src/mesa/vbo/vbo_save_loopback.c index 6a8860c78..51e598e7e 100644 --- a/mesalib/src/mesa/vbo/vbo_save_loopback.c +++ b/mesalib/src/mesa/vbo/vbo_save_loopback.c @@ -1,196 +1,196 @@ -/**************************************************************************
- *
- * Copyright 2005 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 "main/context.h"
-#include "main/glheader.h"
-#include "main/enums.h"
-#include "main/imports.h"
-#include "main/mfeatures.h"
-#include "main/mtypes.h"
-#include "main/dispatch.h"
-#include "glapi/glapi.h"
-
-#include "vbo_context.h"
-
-
-#if FEATURE_dlist
-
-
-typedef void (*attr_func)( struct gl_context *ctx, GLint target, const GLfloat * );
-
-
-/* This file makes heavy use of the aliasing of NV vertex attributes
- * with the legacy attributes, and also with ARB and Material
- * attributes as currently implemented.
- */
-static void VertexAttrib1fvNV(struct gl_context *ctx, GLint target, const GLfloat *v)
-{
- CALL_VertexAttrib1fvNV(ctx->Exec, (target, v));
-}
-
-static void VertexAttrib2fvNV(struct gl_context *ctx, GLint target, const GLfloat *v)
-{
- CALL_VertexAttrib2fvNV(ctx->Exec, (target, v));
-}
-
-static void VertexAttrib3fvNV(struct gl_context *ctx, GLint target, const GLfloat *v)
-{
- CALL_VertexAttrib3fvNV(ctx->Exec, (target, v));
-}
-
-static void VertexAttrib4fvNV(struct gl_context *ctx, GLint target, const GLfloat *v)
-{
- CALL_VertexAttrib4fvNV(ctx->Exec, (target, v));
-}
-
-static attr_func vert_attrfunc[4] = {
- VertexAttrib1fvNV,
- VertexAttrib2fvNV,
- VertexAttrib3fvNV,
- VertexAttrib4fvNV
-};
-
-struct loopback_attr {
- GLint target;
- GLint sz;
- attr_func func;
-};
-
-/* Don't emit ends and begins on wrapped primitives. Don't replay
- * wrapped vertices. If we get here, it's probably because the
- * precalculated wrapping is wrong.
- */
-static void loopback_prim( struct gl_context *ctx,
- const GLfloat *buffer,
- const struct _mesa_prim *prim,
- GLuint wrap_count,
- GLuint vertex_size,
- const struct loopback_attr *la, GLuint nr )
-{
- GLint start = prim->start;
- GLint end = start + prim->count;
- const GLfloat *data;
- GLint j;
- GLuint k;
-
- if (0)
- printf("loopback prim %s(%s,%s) verts %d..%d\n",
- _mesa_lookup_prim_by_nr(prim->mode),
- prim->begin ? "begin" : "..",
- prim->end ? "end" : "..",
- start,
- end);
-
- if (prim->begin) {
- CALL_Begin(GET_DISPATCH(), ( prim->mode ));
- }
- else {
- assert(start == 0);
- start += wrap_count;
- }
-
- data = buffer + start * vertex_size;
-
- for (j = start ; j < end ; j++) {
- const GLfloat *tmp = data + la[0].sz;
-
- for (k = 1 ; k < nr ; k++) {
- la[k].func( ctx, la[k].target, tmp );
- tmp += la[k].sz;
- }
-
- /* Fire the vertex
- */
- la[0].func( ctx, VBO_ATTRIB_POS, data );
- data = tmp;
- }
-
- if (prim->end) {
- CALL_End(GET_DISPATCH(), ());
- }
-}
-
-/* Primitives generated by DrawArrays/DrawElements/Rectf may be
- * caught here. If there is no primitive in progress, execute them
- * normally, otherwise need to track and discard the generated
- * primitives.
- */
-static void loopback_weak_prim( struct gl_context *ctx,
- const struct _mesa_prim *prim )
-{
- /* Use the prim_weak flag to ensure that if this primitive
- * wraps, we don't mistake future vertex_lists for part of the
- * surrounding primitive.
- *
- * While this flag is set, we are simply disposing of data
- * generated by an operation now known to be a noop.
- */
- if (prim->begin)
- ctx->Driver.CurrentExecPrimitive |= VBO_SAVE_PRIM_WEAK;
- if (prim->end)
- ctx->Driver.CurrentExecPrimitive &= ~VBO_SAVE_PRIM_WEAK;
-}
-
-
-void vbo_loopback_vertex_list( struct gl_context *ctx,
- const GLfloat *buffer,
- const GLubyte *attrsz,
- const struct _mesa_prim *prim,
- GLuint prim_count,
- GLuint wrap_count,
- GLuint vertex_size)
-{
- struct loopback_attr la[VBO_ATTRIB_MAX];
- GLuint i, nr = 0;
-
- /* All Legacy, NV, ARB and Material attributes are routed through
- * the NV attributes entrypoints:
- */
- for (i = 0 ; i < VBO_ATTRIB_MAX ; i++) {
- if (attrsz[i]) {
- la[nr].target = i;
- la[nr].sz = attrsz[i];
- la[nr].func = vert_attrfunc[attrsz[i]-1];
- nr++;
- }
- }
-
- for (i = 0 ; i < prim_count ; i++) {
- if ((prim[i].mode & VBO_SAVE_PRIM_WEAK) &&
- (ctx->Driver.CurrentExecPrimitive != PRIM_OUTSIDE_BEGIN_END))
- {
- loopback_weak_prim( ctx, &prim[i] );
- }
- else
- {
- loopback_prim( ctx, buffer, &prim[i], wrap_count, vertex_size, la, nr );
- }
- }
-}
-
-
-#endif /* FEATURE_dlist */
+/************************************************************************** + * + * Copyright 2005 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 "main/context.h" +#include "main/glheader.h" +#include "main/enums.h" +#include "main/imports.h" +#include "main/mfeatures.h" +#include "main/mtypes.h" +#include "main/dispatch.h" +#include "glapi/glapi.h" + +#include "vbo_context.h" + + +#if FEATURE_dlist + + +typedef void (*attr_func)( struct gl_context *ctx, GLint target, const GLfloat * ); + + +/* This file makes heavy use of the aliasing of NV vertex attributes + * with the legacy attributes, and also with ARB and Material + * attributes as currently implemented. + */ +static void VertexAttrib1fvNV(struct gl_context *ctx, GLint target, const GLfloat *v) +{ + CALL_VertexAttrib1fvNV(ctx->Exec, (target, v)); +} + +static void VertexAttrib2fvNV(struct gl_context *ctx, GLint target, const GLfloat *v) +{ + CALL_VertexAttrib2fvNV(ctx->Exec, (target, v)); +} + +static void VertexAttrib3fvNV(struct gl_context *ctx, GLint target, const GLfloat *v) +{ + CALL_VertexAttrib3fvNV(ctx->Exec, (target, v)); +} + +static void VertexAttrib4fvNV(struct gl_context *ctx, GLint target, const GLfloat *v) +{ + CALL_VertexAttrib4fvNV(ctx->Exec, (target, v)); +} + +static attr_func vert_attrfunc[4] = { + VertexAttrib1fvNV, + VertexAttrib2fvNV, + VertexAttrib3fvNV, + VertexAttrib4fvNV +}; + +struct loopback_attr { + GLint target; + GLint sz; + attr_func func; +}; + +/* Don't emit ends and begins on wrapped primitives. Don't replay + * wrapped vertices. If we get here, it's probably because the + * precalculated wrapping is wrong. + */ +static void loopback_prim( struct gl_context *ctx, + const GLfloat *buffer, + const struct _mesa_prim *prim, + GLuint wrap_count, + GLuint vertex_size, + const struct loopback_attr *la, GLuint nr ) +{ + GLint start = prim->start; + GLint end = start + prim->count; + const GLfloat *data; + GLint j; + GLuint k; + + if (0) + printf("loopback prim %s(%s,%s) verts %d..%d\n", + _mesa_lookup_prim_by_nr(prim->mode), + prim->begin ? "begin" : "..", + prim->end ? "end" : "..", + start, + end); + + if (prim->begin) { + CALL_Begin(GET_DISPATCH(), ( prim->mode )); + } + else { + assert(start == 0); + start += wrap_count; + } + + data = buffer + start * vertex_size; + + for (j = start ; j < end ; j++) { + const GLfloat *tmp = data + la[0].sz; + + for (k = 1 ; k < nr ; k++) { + la[k].func( ctx, la[k].target, tmp ); + tmp += la[k].sz; + } + + /* Fire the vertex + */ + la[0].func( ctx, VBO_ATTRIB_POS, data ); + data = tmp; + } + + if (prim->end) { + CALL_End(GET_DISPATCH(), ()); + } +} + +/* Primitives generated by DrawArrays/DrawElements/Rectf may be + * caught here. If there is no primitive in progress, execute them + * normally, otherwise need to track and discard the generated + * primitives. + */ +static void loopback_weak_prim( struct gl_context *ctx, + const struct _mesa_prim *prim ) +{ + /* Use the prim_weak flag to ensure that if this primitive + * wraps, we don't mistake future vertex_lists for part of the + * surrounding primitive. + * + * While this flag is set, we are simply disposing of data + * generated by an operation now known to be a noop. + */ + if (prim->begin) + ctx->Driver.CurrentExecPrimitive |= VBO_SAVE_PRIM_WEAK; + if (prim->end) + ctx->Driver.CurrentExecPrimitive &= ~VBO_SAVE_PRIM_WEAK; +} + + +void vbo_loopback_vertex_list( struct gl_context *ctx, + const GLfloat *buffer, + const GLubyte *attrsz, + const struct _mesa_prim *prim, + GLuint prim_count, + GLuint wrap_count, + GLuint vertex_size) +{ + struct loopback_attr la[VBO_ATTRIB_MAX]; + GLuint i, nr = 0; + + /* All Legacy, NV, ARB and Material attributes are routed through + * the NV attributes entrypoints: + */ + for (i = 0 ; i < VBO_ATTRIB_MAX ; i++) { + if (attrsz[i]) { + la[nr].target = i; + la[nr].sz = attrsz[i]; + la[nr].func = vert_attrfunc[attrsz[i]-1]; + nr++; + } + } + + for (i = 0 ; i < prim_count ; i++) { + if ((prim[i].mode & VBO_SAVE_PRIM_WEAK) && + (ctx->Driver.CurrentExecPrimitive != PRIM_OUTSIDE_BEGIN_END)) + { + loopback_weak_prim( ctx, &prim[i] ); + } + else + { + loopback_prim( ctx, buffer, &prim[i], wrap_count, vertex_size, la, nr ); + } + } +} + + +#endif /* FEATURE_dlist */ |