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-rw-r--r--src/mesa/pipe/softpipe/sp_context.c1
-rw-r--r--src/mesa/pipe/softpipe/sp_context.h1
-rw-r--r--src/mesa/pipe/softpipe/sp_prim_setup.c3
-rw-r--r--src/mesa/pipe/softpipe/sp_quad.c4
-rw-r--r--src/mesa/pipe/softpipe/sp_quad.h1
-rw-r--r--src/mesa/pipe/softpipe/sp_quad_stipple.c56
-rw-r--r--src/mesa/pipe/softpipe/sp_state_derived.c7
-rw-r--r--src/mesa/sources2
-rw-r--r--src/mesa/state_tracker/st_atom.c1
-rw-r--r--src/mesa/state_tracker/st_atom.h1
-rw-r--r--src/mesa/state_tracker/st_atom_stipple.c62
11 files changed, 138 insertions, 1 deletions
diff --git a/src/mesa/pipe/softpipe/sp_context.c b/src/mesa/pipe/softpipe/sp_context.c
index 50434600c3..a5bd61b784 100644
--- a/src/mesa/pipe/softpipe/sp_context.c
+++ b/src/mesa/pipe/softpipe/sp_context.c
@@ -83,6 +83,7 @@ struct pipe_context *softpipe_create( void )
softpipe->pipe.draw_vb = softpipe_draw_vb;
softpipe->pipe.clear = softpipe_clear;
+ softpipe->quad.polygon_stipple = sp_quad_polygon_stipple_stage(softpipe);
softpipe->quad.shade = sp_quad_shade_stage(softpipe);
softpipe->quad.alpha_test = sp_quad_alpha_test_stage(softpipe);
softpipe->quad.blend = sp_quad_blend_stage(softpipe);
diff --git a/src/mesa/pipe/softpipe/sp_context.h b/src/mesa/pipe/softpipe/sp_context.h
index 2379a99b81..21d6108ac6 100644
--- a/src/mesa/pipe/softpipe/sp_context.h
+++ b/src/mesa/pipe/softpipe/sp_context.h
@@ -117,6 +117,7 @@ struct softpipe_context {
/** Software quad rendering pipeline */
struct {
+ struct quad_stage *polygon_stipple;
struct quad_stage *shade;
struct quad_stage *alpha_test;
struct quad_stage *stencil_test;
diff --git a/src/mesa/pipe/softpipe/sp_prim_setup.c b/src/mesa/pipe/softpipe/sp_prim_setup.c
index 332113979c..0148a26259 100644
--- a/src/mesa/pipe/softpipe/sp_prim_setup.c
+++ b/src/mesa/pipe/softpipe/sp_prim_setup.c
@@ -922,6 +922,9 @@ static void setup_end( struct prim_stage *stage )
}
+/**
+ * Create a new primitive setup/render stage.
+ */
struct prim_stage *prim_setup( struct softpipe_context *softpipe )
{
struct setup_stage *setup = CALLOC_STRUCT(setup_stage);
diff --git a/src/mesa/pipe/softpipe/sp_quad.c b/src/mesa/pipe/softpipe/sp_quad.c
index 31278f529d..aba5ab280e 100644
--- a/src/mesa/pipe/softpipe/sp_quad.c
+++ b/src/mesa/pipe/softpipe/sp_quad.c
@@ -37,4 +37,8 @@ sp_build_quad_pipeline(struct softpipe_context *sp)
sp->quad.first = sp->quad.shade;
}
+ if (sp->setup.poly_stipple_enable) {
+ sp->quad.polygon_stipple->next = sp->quad.first;
+ sp->quad.first = sp->quad.polygon_stipple;
+ }
}
diff --git a/src/mesa/pipe/softpipe/sp_quad.h b/src/mesa/pipe/softpipe/sp_quad.h
index df416dfa7f..8b8e12261b 100644
--- a/src/mesa/pipe/softpipe/sp_quad.h
+++ b/src/mesa/pipe/softpipe/sp_quad.h
@@ -46,6 +46,7 @@ struct quad_stage {
};
+struct quad_stage *sp_quad_polygon_stipple_stage( struct softpipe_context *softpipe );
struct quad_stage *sp_quad_shade_stage( struct softpipe_context *softpipe );
struct quad_stage *sp_quad_alpha_test_stage( struct softpipe_context *softpipe );
struct quad_stage *sp_quad_stencil_test_stage( struct softpipe_context *softpipe );
diff --git a/src/mesa/pipe/softpipe/sp_quad_stipple.c b/src/mesa/pipe/softpipe/sp_quad_stipple.c
new file mode 100644
index 0000000000..f9a3c0ba26
--- /dev/null
+++ b/src/mesa/pipe/softpipe/sp_quad_stipple.c
@@ -0,0 +1,56 @@
+
+/**
+ * quad polygon stipple stage
+ */
+
+#include "glheader.h"
+#include "imports.h"
+#include "sp_context.h"
+#include "sp_headers.h"
+#include "sp_quad.h"
+#include "pipe/p_defines.h"
+
+
+/**
+ * Apply polygon stipple to quads produced by triangle rasterization
+ */
+static void
+stipple_quad(struct quad_stage *qs, struct quad_header *quad)
+{
+ struct softpipe_context *softpipe = qs->softpipe;
+ const GLint col0 = quad->x0 % 32;
+ const GLint row0 = quad->y0 % 32;
+ const GLuint stipple0 = softpipe->poly_stipple.stipple[row0];
+ const GLuint stipple1 = softpipe->poly_stipple.stipple[row0 + 1];
+ GLbitfield mask = 0x0;
+
+ /* XXX this could be optimize a bit to use just two conditionals */
+ if ((1 << col0) & stipple0)
+ mask |= MASK_BOTTOM_LEFT;
+
+ if ((2 << col0) & stipple0)
+ mask |= MASK_BOTTOM_RIGHT;
+
+ if ((1 << col0) & stipple1)
+ mask |= MASK_TOP_LEFT;
+
+ if ((2 << col0) & stipple1)
+ mask |= MASK_TOP_RIGHT;
+
+ quad->mask &= mask;
+
+ if (quad->mask)
+ qs->next->run(qs->next, quad);
+}
+
+
+struct quad_stage *
+sp_quad_polygon_stipple_stage( struct softpipe_context *softpipe )
+{
+ struct quad_stage *stage = CALLOC_STRUCT(quad_stage);
+
+ stage->softpipe = softpipe;
+ stage->run = stipple_quad;
+
+ return stage;
+}
diff --git a/src/mesa/pipe/softpipe/sp_state_derived.c b/src/mesa/pipe/softpipe/sp_state_derived.c
index 429ae55397..34c893e396 100644
--- a/src/mesa/pipe/softpipe/sp_state_derived.c
+++ b/src/mesa/pipe/softpipe/sp_state_derived.c
@@ -137,7 +137,12 @@ void softpipe_update_derived( struct softpipe_context *softpipe )
if (softpipe->dirty & (SP_NEW_SETUP | SP_NEW_FS))
calculate_vertex_layout( softpipe );
- if (softpipe->dirty & (SP_NEW_BLEND | SP_NEW_DEPTH_TEST | SP_NEW_ALPHA_TEST | SP_NEW_FS))
+ if (softpipe->dirty & (SP_NEW_BLEND |
+ SP_NEW_DEPTH_TEST |
+ SP_NEW_ALPHA_TEST |
+ SP_NEW_STENCIL |
+ SP_NEW_SETUP |
+ SP_NEW_FS))
sp_build_quad_pipeline(softpipe);
softpipe->dirty = 0;
diff --git a/src/mesa/sources b/src/mesa/sources
index 1ffac8df0a..a7d132f4fd 100644
--- a/src/mesa/sources
+++ b/src/mesa/sources
@@ -163,6 +163,7 @@ SOFTPIPE_SOURCES = \
pipe/softpipe/sp_quad_depth_test.c \
pipe/softpipe/sp_quad_fs.c \
pipe/softpipe/sp_quad_output.c \
+ pipe/softpipe/sp_quad_stipple.c \
pipe/softpipe/sp_quad_stencil.c \
pipe/softpipe/sp_state_blend.c \
pipe/softpipe/sp_state_clip.c \
@@ -206,6 +207,7 @@ STATETRACKER_SOURCES = \
state_tracker/st_atom_scissor.c \
state_tracker/st_atom_setup.c \
state_tracker/st_atom_stencil.c \
+ state_tracker/st_atom_stipple.c \
state_tracker/st_atom_viewport.c \
state_tracker/st_cb_program.c \
state_tracker/st_draw.c \
diff --git a/src/mesa/state_tracker/st_atom.c b/src/mesa/state_tracker/st_atom.c
index 88c6c776a3..dfebfb4768 100644
--- a/src/mesa/state_tracker/st_atom.c
+++ b/src/mesa/state_tracker/st_atom.c
@@ -48,6 +48,7 @@ static const struct st_tracked_state *atoms[] =
&st_update_clip,
&st_update_fs,
&st_update_setup,
+ &st_update_polygon_stipple,
&st_update_viewport,
&st_update_scissor,
&st_update_blend,
diff --git a/src/mesa/state_tracker/st_atom.h b/src/mesa/state_tracker/st_atom.h
index 7ea3301ea5..a56483ac39 100644
--- a/src/mesa/state_tracker/st_atom.h
+++ b/src/mesa/state_tracker/st_atom.h
@@ -50,6 +50,7 @@ const struct st_tracked_state st_update_clear_color;
const struct st_tracked_state st_update_depth;
const struct st_tracked_state st_update_fs;
const struct st_tracked_state st_update_setup;
+const struct st_tracked_state st_update_polygon_stipple;
const struct st_tracked_state st_update_viewport;
const struct st_tracked_state st_update_constants;
const struct st_tracked_state st_update_scissor;
diff --git a/src/mesa/state_tracker/st_atom_stipple.c b/src/mesa/state_tracker/st_atom_stipple.c
new file mode 100644
index 0000000000..dd04d2158c
--- /dev/null
+++ b/src/mesa/state_tracker/st_atom_stipple.c
@@ -0,0 +1,62 @@
+/**************************************************************************
+ *
+ * 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.
+ *
+ **************************************************************************/
+
+ /*
+ * \brief polygon stipple state
+ *
+ * Authors:
+ * Brian Paul
+ */
+
+
+#include "st_context.h"
+#include "st_atom.h"
+#include "pipe/p_context.h"
+#include "pipe/p_defines.h"
+
+
+static void
+update_stipple( struct st_context *st )
+{
+ const GLuint sz = sizeof(st->state.poly_stipple.stipple);
+ assert(sz == sizeof(st->ctx->PolygonStipple));
+
+ if (memcmp(&st->state.poly_stipple.stipple, st->ctx->PolygonStipple, sz)) {
+ /* state has changed */
+ memcpy(st->state.poly_stipple.stipple, st->ctx->PolygonStipple, sz);
+ st->pipe->set_polygon_stipple(st->pipe, &st->state.poly_stipple);
+ }
+}
+
+
+const struct st_tracked_state st_update_polygon_stipple = {
+ .dirty = {
+ .mesa = (_NEW_POLYGONSTIPPLE),
+ .st = 0,
+ },
+ .update = update_stipple
+};
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-01 07:02:43 +0000