diff options
Diffstat (limited to 'mesalib/src/mesa/vbo/vbo_save_loopback.c')
| -rw-r--r-- | mesalib/src/mesa/vbo/vbo_save_loopback.c | 390 |
1 files changed, 195 insertions, 195 deletions
diff --git a/mesalib/src/mesa/vbo/vbo_save_loopback.c b/mesalib/src/mesa/vbo/vbo_save_loopback.c index 5d1c7e481..cc48e4a69 100644 --- a/mesalib/src/mesa/vbo/vbo_save_loopback.c +++ b/mesalib/src/mesa/vbo/vbo_save_loopback.c @@ -1,195 +1,195 @@ -/************************************************************************** - * - * 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/mtypes.h" -#include "main/dispatch.h" -#include "glapi/glapi.h" - -#include "vbo_context.h" - - -#if FEATURE_dlist - - -typedef void (*attr_func)( GLcontext *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(GLcontext *ctx, GLint target, const GLfloat *v) -{ - CALL_VertexAttrib1fvNV(ctx->Exec, (target, v)); -} - -static void VertexAttrib2fvNV(GLcontext *ctx, GLint target, const GLfloat *v) -{ - CALL_VertexAttrib2fvNV(ctx->Exec, (target, v)); -} - -static void VertexAttrib3fvNV(GLcontext *ctx, GLint target, const GLfloat *v) -{ - CALL_VertexAttrib3fvNV(ctx->Exec, (target, v)); -} - -static void VertexAttrib4fvNV(GLcontext *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( GLcontext *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( GLcontext *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( GLcontext *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/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 */
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