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Diffstat (limited to 'src/mesa/tnl/t_array_api.c')
-rw-r--r--src/mesa/tnl/t_array_api.c162
1 files changed, 79 insertions, 83 deletions
diff --git a/src/mesa/tnl/t_array_api.c b/src/mesa/tnl/t_array_api.c
index 0c61dee780..900467c98d 100644
--- a/src/mesa/tnl/t_array_api.c
+++ b/src/mesa/tnl/t_array_api.c
@@ -1,4 +1,4 @@
-/* $Id: t_array_api.c,v 1.5 2001/02/04 00:44:36 keithw Exp $ */
+/* $Id: t_array_api.c,v 1.6 2001/02/15 01:33:52 keithw Exp $ */
/*
* Mesa 3-D graphics library
@@ -90,6 +90,79 @@ static void fallback_drawarrays( GLcontext *ctx, GLenum mode, GLint start,
}
+static void _tnl_draw_elements( GLcontext *ctx, GLenum mode, GLsizei count,
+ const GLuint *indices)
+{
+#if 1
+ /* Optimized code that fakes the effect of calling
+ * _tnl_array_element for each index in the list.
+ */
+ if (_tnl_hard_begin( ctx, mode )) {
+ GLuint i,j;
+ for (j = 0 ; j < count ; ) {
+ struct immediate *IM = TNL_CURRENT_IM(ctx);
+ GLuint start = IM->Start;
+ GLuint nr = MIN2( IMM_MAXDATA - start, count - j ) + start;
+ GLuint sf = IM->Flag[start];
+ IM->FlushElt |= 1;
+
+ for (i = start ; i < nr ; i++) {
+ IM->Elt[i] = (GLuint) *indices++;
+ IM->Flag[i] = VERT_ELT;
+ }
+
+ if (j == 0) IM->Flag[start] |= sf;
+
+ IM->Count = nr;
+ j += nr - start;
+
+ if (j == count)
+ _tnl_end( ctx );
+
+ _tnl_flush_immediate( IM );
+ }
+ }
+#else
+ /* Simple version of the above code.
+ */
+ if (_tnl_hard_begin(ctx, mode)) {
+ GLuint i;
+ for (i = 0 ; i < count ; i++)
+ _tnl_array_element( ctx, indices[i] );
+ _tnl_end( ctx );
+ }
+#endif
+}
+
+
+static void _tnl_draw_range_elements( GLcontext *ctx, GLenum mode,
+ GLuint start, GLuint end,
+ GLsizei count, const GLuint *indices )
+
+{
+ TNLcontext *tnl = TNL_CONTEXT(ctx);
+ FLUSH_CURRENT( ctx, 0 );
+
+ _tnl_vb_bind_arrays( ctx, start, end );
+
+ tnl->vb.FirstPrimitive = 0;
+ tnl->vb.Primitive[0] = mode | PRIM_BEGIN | PRIM_END | PRIM_LAST;
+ tnl->vb.PrimitiveLength[0] = count;
+ tnl->vb.Elts = (GLuint *)indices;
+
+ if (ctx->Array.LockCount)
+ _tnl_run_pipeline( ctx );
+ else {
+ /* Note that arrays may have changed before/after execution.
+ */
+ tnl->pipeline.run_input_changes |= ctx->Array._Enabled;
+ _tnl_run_pipeline( ctx );
+ tnl->pipeline.run_input_changes |= ctx->Array._Enabled;
+ }
+}
+
+
+
void
_tnl_DrawArrays(GLenum mode, GLint start, GLsizei count)
@@ -162,81 +235,6 @@ _tnl_DrawArrays(GLenum mode, GLint start, GLsizei count)
}
-
-static void _tnl_draw_range_elements( GLcontext *ctx, GLenum mode,
- GLuint start, GLuint end,
- GLsizei count, const GLuint *indices )
-
-{
- TNLcontext *tnl = TNL_CONTEXT(ctx);
- FLUSH_CURRENT( ctx, 0 );
-
- _tnl_vb_bind_arrays( ctx, start, end );
-
- tnl->vb.FirstPrimitive = 0;
- tnl->vb.Primitive[0] = mode | PRIM_BEGIN | PRIM_END | PRIM_LAST;
- tnl->vb.PrimitiveLength[0] = count;
- tnl->vb.Elts = (GLuint *)indices;
-
- if (ctx->Array.LockCount)
- _tnl_run_pipeline( ctx );
- else {
- /* Note that arrays may have changed before/after execution.
- */
- tnl->pipeline.run_input_changes |= ctx->Array._Enabled;
- _tnl_run_pipeline( ctx );
- tnl->pipeline.run_input_changes |= ctx->Array._Enabled;
- }
-}
-
-
-
-
-static void _tnl_draw_elements( GLcontext *ctx, GLenum mode, GLsizei count,
- const GLuint *indices)
-{
-#if 1
- /* Optimized code that fakes the effect of calling
- * _tnl_array_element for each index in the list.
- */
- if (_tnl_hard_begin( ctx, mode )) {
- GLuint i,j;
- for (j = 0 ; j < count ; ) {
- struct immediate *IM = TNL_CURRENT_IM(ctx);
- GLuint start = IM->Start;
- GLuint nr = MIN2( IMM_MAXDATA - start, count - j ) + start;
- GLuint sf = IM->Flag[start];
- IM->FlushElt |= 1;
-
- for (i = start ; i < nr ; i++) {
- IM->Elt[i] = (GLuint) *indices++;
- IM->Flag[i] = VERT_ELT;
- }
-
- if (j == 0) IM->Flag[start] |= sf;
-
- IM->Count = nr;
- j += nr - start;
-
- if (j == count)
- _tnl_end( ctx );
-
- _tnl_flush_immediate( IM );
- }
- }
-#else
- /* Simple version of the above code.
- */
- if (_tnl_hard_begin(ctx, mode)) {
- GLuint i;
- for (i = 0 ; i < count ; i++)
- _tnl_array_element( ctx, indices[i] );
- _tnl_end( ctx );
- }
-#endif
-}
-
-
void
_tnl_DrawRangeElements(GLenum mode,
GLuint start, GLuint end,
@@ -276,6 +274,8 @@ _tnl_DrawRangeElements(GLenum mode,
* May be able to get away with just setting LockCount==0,
* though this raises the problems of dependent state. May
* have to call glUnlockArrays() directly?
+ *
+ * Or scan the list and replace bad indices?
*/
gl_problem( ctx,
"DrawRangeElements references "
@@ -283,8 +283,8 @@ _tnl_DrawRangeElements(GLenum mode,
}
}
else if (end + 1 - start < ctx->Const.MaxArrayLockSize) {
- /* The arrays aren't locked but we can still fit them inside a single
- * vertexbuffer.
+ /* The arrays aren't locked but we can still fit them inside a
+ * single vertexbuffer.
*/
_tnl_draw_range_elements( ctx, mode, start, end + 1, count, ui_indices );
} else {
@@ -315,7 +315,6 @@ _tnl_DrawElements(GLenum mode, GLsizei count, GLenum type,
ui_indices = (GLuint *)_ac_import_elements( ctx, GL_UNSIGNED_INT,
count, type, indices );
-#if 1
if (ctx->Array.LockCount) {
_tnl_draw_range_elements( ctx, mode,
ctx->Array.LockFirst,
@@ -333,13 +332,10 @@ _tnl_DrawElements(GLenum mode, GLsizei count, GLenum type,
if (max_elt < ctx->Const.MaxArrayLockSize && /* can we use it? */
max_elt < count) /* do we want to use it? */
- _tnl_draw_range_elements( ctx, mode, 0, max_elt + 1, count, ui_indices );
+ _tnl_draw_range_elements( ctx, mode, 0, max_elt+1, count, ui_indices );
else
_tnl_draw_elements( ctx, mode, count, ui_indices );
}
-#else
- _tnl_draw_elements( ctx, mode, count, ui_indices );
-#endif
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-09 18:41:40 +0000