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-rw-r--r--src/mesa/pipe/draw/draw_arrays.c79
-rw-r--r--src/mesa/pipe/draw/draw_context.c36
-rw-r--r--src/mesa/pipe/draw/draw_context.h3
-rw-r--r--src/mesa/pipe/draw/draw_vertex.c167
-rw-r--r--src/mesa/pipe/draw/draw_vertex.h19
5 files changed, 189 insertions, 115 deletions
diff --git a/src/mesa/pipe/draw/draw_arrays.c b/src/mesa/pipe/draw/draw_arrays.c
index 9e219ed43be..bbb243c469e 100644
--- a/src/mesa/pipe/draw/draw_arrays.c
+++ b/src/mesa/pipe/draw/draw_arrays.c
@@ -74,82 +74,3 @@ draw_arrays(struct draw_context *draw, unsigned prim,
}
-static INLINE void
-emit_vertex_attr(struct vertex_info *vinfo, uint vfAttr, uint format, uint interp)
-{
- const uint n = vinfo->num_attribs;
- vinfo->attr_mask |= (1 << vfAttr);
- vinfo->slot_to_attrib[n] = vfAttr;
- if (n >= 2) {
- /* the first two slots are the vertex header & clippos */
- assert(vfAttr < Elements(vinfo->attrib_to_slot));
- vinfo->attrib_to_slot[vfAttr] = n - 2;
- }
- vinfo->interp_mode[n] = interp;
- vinfo->format[n] = format;
- vinfo->num_attribs++;
-
-}
-
-
-/** XXX this is duplicated in the i915 driver... */
-static void
-compute_vertex_size(struct vertex_info *vinfo)
-{
- uint i;
-
- vinfo->size = 0;
- for (i = 0; i < vinfo->num_attribs; i++) {
- switch (vinfo->format[i]) {
- case FORMAT_OMIT:
- break;
- case FORMAT_4UB:
- /* fall-through */
- case FORMAT_1F:
- vinfo->size += 1;
- break;
- case FORMAT_2F:
- vinfo->size += 2;
- break;
- case FORMAT_3F:
- vinfo->size += 3;
- break;
- case FORMAT_4F:
- vinfo->size += 4;
- break;
- default:
- assert(0);
- }
- }
-}
-
-
-void
-draw_set_vertex_attributes( struct draw_context *draw,
- const uint *slot_to_vf_attr,
- const uint *interp_mode,
- unsigned nr_attrs )
-{
- struct vertex_info *vinfo = &draw->vertex_info;
- unsigned i;
-
- assert(slot_to_vf_attr[0] == TGSI_ATTRIB_POS);
-
- memset(vinfo, 0, sizeof(*vinfo));
-
- /*
- * First three attribs are always the same: header, clip pos, winpos
- */
- emit_vertex_attr(vinfo, TGSI_ATTRIB_VERTEX_HEADER, FORMAT_1F, INTERP_NONE);
- emit_vertex_attr(vinfo, TGSI_ATTRIB_CLIP_POS, FORMAT_4F, INTERP_LINEAR);
- emit_vertex_attr(vinfo, TGSI_ATTRIB_POS, FORMAT_4F_VIEWPORT, INTERP_LINEAR);
-
- /*
- * Remaining attribs (color, texcoords, etc)
- */
- for (i = 1; i < nr_attrs; i++) {
- emit_vertex_attr(vinfo, slot_to_vf_attr[i], FORMAT_4F, interp_mode[i]);
- }
-
- compute_vertex_size(vinfo);
-}
diff --git a/src/mesa/pipe/draw/draw_context.c b/src/mesa/pipe/draw/draw_context.c
index c15f7652a6f..2936a14d65a 100644
--- a/src/mesa/pipe/draw/draw_context.c
+++ b/src/mesa/pipe/draw/draw_context.c
@@ -215,39 +215,3 @@ draw_set_vertex_shader(struct draw_context *draw,
{
draw->vertex_shader = *shader;
}
-
-
-/**
- * This function is used to tell the draw module about attributes
- * (like colors) that need to be selected based on front/back face
- * orientation.
- *
- * The logic is:
- * if (polygon is back-facing) {
- * vertex->attrib[front0] = vertex->attrib[back0];
- * vertex->attrib[front1] = vertex->attrib[back1];
- * }
- *
- * \param front0 first attrib to replace if the polygon is back-facing
- * \param back0 first attrib to copy if the polygon is back-facing
- * \param front1 second attrib to replace if the polygon is back-facing
- * \param back1 second attrib to copy if the polygon is back-facing
- *
- * Pass -1 to disable two-sided attributes.
- */
-void
-draw_set_twoside_attributes(struct draw_context *draw,
- uint front0, uint back0,
- uint front1, uint back1)
-{
- /* XXX we could alternately pass an array of front/back attribs if there's
- * ever need for more than two. One could imagine a shader extension
- * that allows arbitrary attributes to be selected based on polygon
- * orientation...
- */
- draw->attrib_front0 = front0;
- draw->attrib_back0 = back0;
- draw->attrib_front1 = front1;
- draw->attrib_back1 = back1;
-}
-
diff --git a/src/mesa/pipe/draw/draw_context.h b/src/mesa/pipe/draw/draw_context.h
index 21ee18e7cf6..03679848b55 100644
--- a/src/mesa/pipe/draw/draw_context.h
+++ b/src/mesa/pipe/draw/draw_context.h
@@ -42,6 +42,7 @@
struct vertex_buffer;
+struct vertex_info;
struct draw_context;
struct draw_stage;
@@ -96,6 +97,8 @@ void draw_set_twoside_attributes(struct draw_context *draw,
uint front0, uint back0,
uint front1, uint back1);
+void draw_compute_vertex_size(struct vertex_info *vinfo);
+
unsigned draw_prim_info( unsigned prim, unsigned *first, unsigned *incr );
unsigned draw_trim( unsigned count, unsigned first, unsigned incr );
diff --git a/src/mesa/pipe/draw/draw_vertex.c b/src/mesa/pipe/draw/draw_vertex.c
new file mode 100644
index 00000000000..64bc3232077
--- /dev/null
+++ b/src/mesa/pipe/draw/draw_vertex.c
@@ -0,0 +1,167 @@
+/**************************************************************************
+ *
+ * Copyright 2007 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.
+ *
+ **************************************************************************/
+
+/*
+ * Functions for specifying the post-transformation vertex layout.
+ *
+ * Author:
+ * Brian Paul
+ * Keith Whitwell
+ */
+
+
+#include "pipe/p_defines.h"
+#include "pipe/p_context.h"
+#include "pipe/p_winsys.h"
+#include "pipe/p_util.h"
+
+#include "pipe/draw/draw_private.h"
+#include "pipe/draw/draw_context.h"
+#include "pipe/draw/draw_vertex.h"
+
+
+static INLINE void
+emit_vertex_attr(struct vertex_info *vinfo, uint vfAttr, uint format,
+ uint interp)
+{
+ const uint n = vinfo->num_attribs;
+ vinfo->attr_mask |= (1 << vfAttr);
+ vinfo->slot_to_attrib[n] = vfAttr;
+ if (n >= 2) {
+ /* the first two slots are the vertex header & clippos */
+ assert(vfAttr < Elements(vinfo->attrib_to_slot));
+ vinfo->attrib_to_slot[vfAttr] = n - 2;
+ }
+ vinfo->interp_mode[n] = interp;
+ vinfo->format[n] = format;
+ vinfo->num_attribs++;
+
+}
+
+
+/**
+ * Compute the size of a vertex, in dwords/floats, to update the
+ * vinfo->size field.
+ */
+void
+draw_compute_vertex_size(struct vertex_info *vinfo)
+{
+ uint i;
+
+ vinfo->size = 0;
+ for (i = 0; i < vinfo->num_attribs; i++) {
+ switch (vinfo->format[i]) {
+ case FORMAT_OMIT:
+ break;
+ case FORMAT_4UB:
+ /* fall-through */
+ case FORMAT_1F:
+ vinfo->size += 1;
+ break;
+ case FORMAT_2F:
+ vinfo->size += 2;
+ break;
+ case FORMAT_3F:
+ vinfo->size += 3;
+ break;
+ case FORMAT_4F:
+ vinfo->size += 4;
+ break;
+ default:
+ assert(0);
+ }
+ }
+}
+
+
+/**
+ * Tell the drawing module about the layout of post-transformation vertices
+ */
+void
+draw_set_vertex_attributes( struct draw_context *draw,
+ const uint *slot_to_vf_attr,
+ const uint *interp_mode,
+ unsigned nr_attrs )
+{
+ struct vertex_info *vinfo = &draw->vertex_info;
+ unsigned i;
+
+ assert(slot_to_vf_attr[0] == TGSI_ATTRIB_POS);
+
+ memset(vinfo, 0, sizeof(*vinfo));
+
+ /*
+ * First three attribs are always the same: header, clip pos, winpos
+ */
+ emit_vertex_attr(vinfo, TGSI_ATTRIB_VERTEX_HEADER, FORMAT_1F, INTERP_NONE);
+ emit_vertex_attr(vinfo, TGSI_ATTRIB_CLIP_POS, FORMAT_4F, INTERP_LINEAR);
+ emit_vertex_attr(vinfo, TGSI_ATTRIB_POS, FORMAT_4F_VIEWPORT, INTERP_LINEAR);
+
+ /*
+ * Remaining attribs (color, texcoords, etc)
+ */
+ for (i = 1; i < nr_attrs; i++) {
+ emit_vertex_attr(vinfo, slot_to_vf_attr[i], FORMAT_4F, interp_mode[i]);
+ }
+
+ draw_compute_vertex_size(vinfo);
+}
+
+
+/**
+ * This function is used to tell the draw module about attributes
+ * (like colors) that need to be selected based on front/back face
+ * orientation.
+ *
+ * The logic is:
+ * if (polygon is back-facing) {
+ * vertex->attrib[front0] = vertex->attrib[back0];
+ * vertex->attrib[front1] = vertex->attrib[back1];
+ * }
+ *
+ * \param front0 first attrib to replace if the polygon is back-facing
+ * \param back0 first attrib to copy if the polygon is back-facing
+ * \param front1 second attrib to replace if the polygon is back-facing
+ * \param back1 second attrib to copy if the polygon is back-facing
+ *
+ * Pass -1 to disable two-sided attributes.
+ */
+void
+draw_set_twoside_attributes(struct draw_context *draw,
+ uint front0, uint back0,
+ uint front1, uint back1)
+{
+ /* XXX we could alternately pass an array of front/back attribs if there's
+ * ever need for more than two. One could imagine a shader extension
+ * that allows arbitrary attributes to be selected based on polygon
+ * orientation...
+ */
+ draw->attrib_front0 = front0;
+ draw->attrib_back0 = back0;
+ draw->attrib_front1 = front1;
+ draw->attrib_back1 = back1;
+}
diff --git a/src/mesa/pipe/draw/draw_vertex.h b/src/mesa/pipe/draw/draw_vertex.h
index 6778df30d1e..f696475510b 100644
--- a/src/mesa/pipe/draw/draw_vertex.h
+++ b/src/mesa/pipe/draw/draw_vertex.h
@@ -70,6 +70,25 @@ struct vertex_info
+/**
+ * Add another attribute to the given vertex_info object.
+ * \return slot in which the attribute was added
+ */
+static INLINE uint
+draw_emit_vertex_attr(struct vertex_info *vinfo, uint vfAttr, uint format,
+ uint interp)
+{
+ const uint n = vinfo->num_attribs;
+ vinfo->attr_mask |= (1 << vfAttr);
+ vinfo->slot_to_attrib[n] = vfAttr;
+ vinfo->format[n] = format;
+ vinfo->interp_mode[n] = interp;
+ vinfo->num_attribs++;
+ return n;
+}
+
+
+
struct draw_context;
extern int draw_vertex_cache_check_space( struct draw_context *draw,
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-22 06:19:16 +0000