summaryrefslogtreecommitdiff
path: root/src/mesa/tnl/t_vertex_codegen.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa/tnl/t_vertex_codegen.c')
-rw-r--r--src/mesa/tnl/t_vertex_codegen.c509
1 files changed, 509 insertions, 0 deletions
diff --git a/src/mesa/tnl/t_vertex_codegen.c b/src/mesa/tnl/t_vertex_codegen.c
new file mode 100644
index 0000000000..3c99b0411e
--- /dev/null
+++ b/src/mesa/tnl/t_vertex_codegen.c
@@ -0,0 +1,509 @@
+/*
+ * Copyright 2003 Tungsten Graphics, inc.
+ * 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
+ * on 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 THEIR 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.
+ *
+ * Authors:
+ * Keith Whitwell <keithw@tungstengraphics.com>
+ */
+
+#include "glheader.h"
+#include "context.h"
+#include "colormac.h"
+
+#include "t_context.h"
+#include "t_vertex.h"
+
+#include "simple_list.h"
+
+/* Another codegen scheme, hopefully portable to a few different
+ * architectures without too much work.
+ */
+
+
+
+
+static GLboolean emit_4f_viewport_4( struct tnl_clipspace_codegen *p )
+{
+ return
+ p->emit_mad(p, out(0), vp(0), in(0), vp(12)) &&
+ p->emit_mad(p, out(1), vp(5), in(1), vp(13)) &&
+ p->emit_mad(p, out(2), vp(10), in(2), vp(14)) &&
+ p->emit_mov(p, out(3), in(3));
+}
+
+static GLboolean emit_4f_viewport_3( struct tnl_clipspace_codegen *p )
+{
+ return
+ p->emit_mad(p, out(0), vp(0), in(0), vp(12)) &&
+ p->emit_mad(p, out(1), vp(5), in(1), vp(13)) &&
+ p->emit_mad(p, out(2), vp(10), in(2), vp(14)) &&
+ p->emit_const(p, out(3), 1.0);
+}
+
+static GLboolean emit_4f_viewport_2( struct tnl_clipspace_codegen *p )
+{
+ return
+ p->emit_mad(p, out(0), vp(0), in(0), vp(12)) &&
+ p->emit_mad(p, out(1), vp(5), in(1), vp(13)) &&
+ p->emit_mov(p, out(2), vp(14)) &&
+ p->emit_const(p, out(3), 1.0);
+}
+
+static GLboolean emit_4f_viewport_1( struct tnl_clipspace_codegen *p )
+{
+ return
+ p->emit_mad(p, out(0), vp(0), in(0), vp(12)) &&
+ p->emit_mov(p, out(1), vp(13)) &&
+ p->emit_mov(p, out(2), vp(14)) &&
+ p->emit_const(p, out(3), 1.0);
+}
+
+static GLboolean emit_3f_viewport_3( struct tnl_clipspace_codegen *p )
+{
+ return
+ p->emit_mad(p, out(0), vp(0), in(0), vp(12)) &&
+ p->emit_mad(p, out(1), vp(5), in(1), vp(13)) &&
+ p->emit_mad(p, out(2), vp(10), in(2), vp(14));
+}
+
+static GLboolean emit_3f_viewport_2( struct tnl_clipspace_codegen *p )
+{
+ return
+ p->emit_mad(p, out(0), vp(0), in(0), vp(12)) &&
+ p->emit_mad(p, out(1), vp(5), in(1), vp(13)) &&
+ p->emit_mov(p, out(2), vp(14));
+}
+
+static GLboolean emit_3f_viewport_1( struct tnl_clipspace_codegen *p )
+{
+ return
+ p->emit_mad(p, out(0), vp(0), in(0), vp(12)) &&
+ p->emit_mov(p, out(1), vp(13)) &&
+ p->emit_mov(p, out(2), vp(14));
+}
+
+static GLboolean emit_2f_viewport_2( struct tnl_clipspace_codegen *p )
+{
+ return
+ p->emit_mad(p, out(0), vp(0), in(0), vp(12)) &&
+ p->emit_mad(p, out(1), vp(5), in(1), vp(13));
+}
+
+static GLboolean emit_2f_viewport_1( struct tnl_clipspace_codegen *p )
+{
+ return
+ p->emit_mad(p, out(0), vp(0), in(0), vp(12));
+}
+
+
+static GLboolean emit_4f_4( struct tnl_clipspace_codegen *p )
+{
+ return
+ p->emit_mov(p, out(0), in(0)) &&
+ p->emit_mov(p, out(1), in(1)) &&
+ p->emit_mov(p, out(2), in(2)) &&
+ p->emit_mov(p, out(3), in(3));
+}
+
+static GLboolean emit_4f_3( struct tnl_clipspace_codegen *p )
+{
+ return
+ p->emit_mov(p, out(0), in(0)) &&
+ p->emit_mov(p, out(1), in(1)) &&
+ p->emit_mov(p, out(2), in(2)) &&
+ p->emit_const(p, out(3), 1.0);
+}
+
+static GLboolean emit_4f_2( struct tnl_clipspace_codegen *p )
+{
+ return
+ p->emit_mov(p, out(0), in(0)) &&
+ p->emit_mov(p, out(1), in(1)) &&
+ p->emit_const(p, out(2), 0.0) &&
+ p->emit_const(p, out(3), 1.0);
+}
+
+static GLboolean emit_4f_1( struct tnl_clipspace_codegen *p )
+{
+ return
+ p->emit_mov(p, out(0), in(0)) &&
+ p->emit_const(p, out(1), 0.0) &&
+ p->emit_const(p, out(2), 0.0) &&
+ p->emit_const(p, out(3), 1.0);
+}
+
+static GLboolean emit_3f_xyw_4( struct tnl_clipspace_codegen *p )
+{
+ return
+ p->emit_mov(p, out(0), in(0)) &&
+ p->emit_mov(p, out(1), in(1)) &&
+ p->emit_mov(p, out(2), in(3));
+}
+
+static GLboolean emit_3f_xyw_err( struct tnl_clipspace_codegen *p )
+{
+ assert(0);
+ return GL_FALSE;
+}
+
+static GLboolean emit_3f_3( struct tnl_clipspace_codegen *p )
+{
+ return
+ p->emit_mov(p, out(0), in(0)) &&
+ p->emit_mov(p, out(1), in(1)) &&
+ p->emit_mov(p, out(2), in(2));
+}
+
+static GLboolean emit_3f_2( struct tnl_clipspace_codegen *p )
+{
+ return
+ p->emit_mov(p, out(0), in(0)) &&
+ p->emit_mov(p, out(1), in(1)) &&
+ p->emit_const(p, out(2), 0.0);
+}
+
+static GLboolean emit_3f_1( struct tnl_clipspace_codegen *p )
+{
+ return
+ p->emit_mov(p, out(0), in(0)) &&
+ p->emit_const(p, out(1), 0.0) &&
+ p->emit_const(p, out(2), 0.0);
+}
+
+
+static GLboolean emit_2f_2( struct tnl_clipspace_codegen *p )
+{
+ return
+ p->emit_mov(p, out(0), in(0)) &&
+ p->emit_mov(p, out(1), in(1));
+}
+
+static GLboolean emit_2f_1( struct tnl_clipspace_codegen *p )
+{
+ return
+ p->emit_mov(p, out(0), in(0)) &&
+ p->emit_const(p, out(1), 0.0);
+}
+
+static GLboolean emit_1f_1( struct tnl_clipspace_codegen *p )
+{
+ return
+ p->emit_mov(p, out(0), in(0));
+}
+
+static GLboolean emit_4chan_4f_rgba_4( struct tnl_clipspace_codegen *p )
+{
+ return
+ p->emit_float_to_chan(p, out(0), in(0)) &&
+ p->emit_float_to_chan(p, out(1), in(1)) &&
+ p->emit_float_to_chan(p, out(2), in(2)) &&
+ p->emit_float_to_chan(p, out(3), in(3));
+}
+
+static GLboolean emit_4chan_4f_rgba_3( struct tnl_clipspace_codegen *p )
+{
+ return
+ p->emit_float_to_chan(p, out(0), in(0)) &&
+ p->emit_float_to_chan(p, out(1), in(1)) &&
+ p->emit_float_to_chan(p, out(2), in(2)) &&
+ p->emit_const_chan(p, out(3), CHAN_MAX);
+}
+
+static GLboolean emit_4chan_4f_rgba_2( struct tnl_clipspace_codegen *p )
+{
+ return
+ p->emit_float_to_chan(p, out(0), in(0)) &&
+ p->emit_float_to_chan(p, out(1), in(1)) &&
+ p->emit_const_chan(p, out(2), 0) &&
+ p->emit_const_chan(p, out(3), CHAN_MAX);
+}
+
+static GLboolean emit_4chan_4f_rgba_1( struct tnl_clipspace_codegen *p )
+{
+ return
+ p->emit_float_to_chan(p, out(0), in(0)) &&
+ p->emit_const_chan(p, out(1), 0) &&
+ p->emit_const_chan(p, out(2), 0) &&
+ p->emit_const_chan(p, out(3), CHAN_MAX);
+}
+
+static GLboolean emit_4ub_4f_rgba_4( struct tnl_clipspace_codegen *p )
+{
+ return
+ p->emit_float_to_ubyte(p, out(0), in(0)) &&
+ p->emit_float_to_ubyte(p, out(1), in(1)) &&
+ p->emit_float_to_ubyte(p, out(2), in(2)) &&
+ p->emit_float_to_ubyte(p, out(3), in(3));
+}
+
+static GLboolean emit_4ub_4f_rgba_3( struct tnl_clipspace_codegen *p )
+{
+ return
+ p->emit_float_to_ubyte(p, out(0), in(0)) &&
+ p->emit_float_to_ubyte(p, out(1), in(1)) &&
+ p->emit_float_to_ubyte(p, out(2), in(2)) &&
+ p->emit_const_ubyte(p, out(3), 0xff);
+}
+
+static GLboolean emit_4ub_4f_rgba_2( struct tnl_clipspace_codegen *p )
+{
+ return
+ p->emit_float_to_ubyte(p, out(0), in(0)) &&
+ p->emit_float_to_ubyte(p, out(1), in(1)) &&
+ p->emit_const_ubyte(p, out(2), 0) &&
+ p->emit_const_ubyte(p, out(3), 0xff);
+}
+
+static GLboolean emit_4ub_4f_rgba_1( struct tnl_clipspace_codegen *p )
+{
+ return
+ p->emit_float_to_ubyte(p, out(0), in(0)) &&
+ p->emit_const_ubyte(p, out(1), 0) &&
+ p->emit_const_ubyte(p, out(2), 0) &&
+ p->emit_const_ubyte(p, out(3), 0xff);
+}
+
+static GLboolean emit_4ub_4f_bgra_4( struct tnl_clipspace_codegen *p )
+{
+ return
+ p->emit_float_to_ubyte(p, out(2), in(0)) &&
+ p->emit_float_to_ubyte(p, out(1), in(1)) &&
+ p->emit_float_to_ubyte(p, out(0), in(2)) &&
+ p->emit_float_to_ubyte(p, out(3), in(3));
+}
+
+static GLboolean emit_4ub_4f_bgra_3( struct tnl_clipspace_codegen *p )
+{
+ return
+ p->emit_float_to_ubyte(p, out(2), in(0)) &&
+ p->emit_float_to_ubyte(p, out(1), in(1)) &&
+ p->emit_float_to_ubyte(p, out(0), in(2)) &&
+ p->emit_const_ubyte(p, out(3), 0xff);
+}
+
+static GLboolean emit_4ub_4f_bgra_2( struct tnl_clipspace_codegen *p )
+{
+ return
+ p->emit_float_to_ubyte(p, out(2), in(0)) &&
+ p->emit_float_to_ubyte(p, out(1), in(1)) &&
+ p->emit_const_ubyte(p, out(0), 0) &&
+ p->emit_const_ubyte(p, out(3), 0xff);
+}
+
+static GLboolean emit_4ub_4f_bgra_1( struct tnl_clipspace_codegen *p )
+{
+ return
+ p->emit_float_to_ubyte(p, out(2), in(0)) &&
+ p->emit_const_ubyte(p, out(1), 0) &&
+ p->emit_const_ubyte(p, out(0), 0) &&
+ p->emit_const_ubyte(p, out(3), 0xff);
+}
+
+static GLboolean emit_3ub_3f_rgb_3( struct tnl_clipspace_codegen *p )
+{
+ return
+ p->emit_float_to_ubyte(p, out(0), in(0)) &&
+ p->emit_float_to_ubyte(p, out(1), in(1)) &&
+ p->emit_float_to_ubyte(p, out(2), in(2));
+}
+
+static GLboolean emit_3ub_3f_rgb_2( struct tnl_clipspace_codegen *p )
+{
+ return
+ p->emit_float_to_ubyte(p, out(0), in(0)) &&
+ p->emit_float_to_ubyte(p, out(1), in(1)) &&
+ p->emit_const_ubyte(p, out(2), 0);
+}
+
+static GLboolean emit_3ub_3f_rgb_1( struct tnl_clipspace_codegen *p )
+{
+ return
+ p->emit_float_to_ubyte(p, out(0), in(0)) &&
+ p->emit_const_ubyte(p, out(1), 0) &&
+ p->emit_const_ubyte(p, out(2), 0);
+}
+
+static GLboolean emit_3ub_3f_bgr_3( struct tnl_clipspace_codegen *p )
+{
+ return
+ p->emit_float_to_ubyte(p, out(2), in(0)) &&
+ p->emit_float_to_ubyte(p, out(1), in(1)) &&
+ p->emit_float_to_ubyte(p, out(0), in(2));
+}
+
+static GLboolean emit_3ub_3f_bgr_2( struct tnl_clipspace_codegen *p )
+{
+ return
+ p->emit_float_to_ubyte(p, out(2), in(0)) &&
+ p->emit_float_to_ubyte(p, out(1), in(1)) &&
+ p->emit_const_ubyte(p, out(0), 0);
+}
+
+static GLboolean emit_3ub_3f_bgr_1( struct tnl_clipspace_codegen *p )
+{
+ return
+ p->emit_float_to_ubyte(p, out(2), in(0)) &&
+ p->emit_const_ubyte(p, out(1), 0) &&
+ p->emit_const_ubyte(p, out(0), 0);
+}
+
+
+static GLboolean emit_1ub_1f_1( struct tnl_clipspace_codegen *p )
+{
+ return
+ p->emit_float_to_ubyte(p, out(0), in(0));
+}
+
+
+
+
+static struct {
+ const char *name;
+ GLenum out_type;
+ GLboolean need_vp;
+ GLboolean (*emit[4])( struct tnl_clipspace_codegen * );
+} emit_info[EMIT_MAX] = {
+
+ { "1f", GL_FLOAT, GL_FALSE,
+ { emit_1f_1, emit_1f_1, emit_1f_1, emit_1f_1 } },
+
+ { "2f", GL_FLOAT, GL_FALSE,
+ { emit_2f_1, emit_2f_2, emit_2f_2, emit_2f_2 } },
+
+ { "3f", GL_FLOAT, GL_FALSE,
+ { emit_3f_1, emit_3f_2, emit_3f_3, emit_3f_3 } },
+
+ { "4f", GL_FLOAT, GL_FALSE,
+ { emit_4f_1, emit_4f_2, emit_4f_3, emit_4f_4 } },
+
+ { "2f_viewport", GL_FLOAT, GL_TRUE,
+ { emit_2f_viewport_1, emit_2f_viewport_2, emit_2f_viewport_2,
+ emit_2f_viewport_2 } },
+
+ { "3f_viewport", GL_FLOAT, GL_TRUE,
+ { emit_3f_viewport_1, emit_3f_viewport_2, emit_3f_viewport_3,
+ emit_3f_viewport_3 } },
+
+ { "4f_viewport", GL_FLOAT, GL_TRUE,
+ { emit_4f_viewport_1, emit_4f_viewport_2, emit_4f_viewport_3,
+ emit_4f_viewport_4 } },
+
+ { "3f_xyw", GL_FLOAT, GL_FALSE,
+ { emit_3f_xyw_err, emit_3f_xyw_err, emit_3f_xyw_err,
+ emit_3f_xyw_4 } },
+
+ { "1ub_1f", GL_UNSIGNED_BYTE, GL_FALSE,
+ { emit_1ub_1f_1, emit_1ub_1f_1, emit_1ub_1f_1, emit_1ub_1f_1 } },
+
+ { "3ub_3f_rgb", GL_UNSIGNED_BYTE, GL_FALSE,
+ { emit_3ub_3f_rgb_1, emit_3ub_3f_rgb_2, emit_3ub_3f_rgb_3,
+ emit_3ub_3f_rgb_3 } },
+
+ { "3ub_3f_bgr", GL_UNSIGNED_BYTE, GL_FALSE,
+ { emit_3ub_3f_bgr_1, emit_3ub_3f_bgr_2, emit_3ub_3f_bgr_3,
+ emit_3ub_3f_bgr_3 } },
+
+ { "4ub_4f_rgba", GL_UNSIGNED_BYTE, GL_FALSE,
+ { emit_4ub_4f_rgba_1, emit_4ub_4f_rgba_2, emit_4ub_4f_rgba_3,
+ emit_4ub_4f_rgba_4 } },
+
+ { "4ub_4f_bgra", GL_UNSIGNED_BYTE, GL_FALSE,
+ { emit_4ub_4f_bgra_1, emit_4ub_4f_bgra_2, emit_4ub_4f_bgra_3,
+ emit_4ub_4f_bgra_4 } },
+
+ { "4chan_4f_rgba", CHAN_TYPE, GL_FALSE,
+ { emit_4chan_4f_rgba_1, emit_4chan_4f_rgba_2, emit_4chan_4f_rgba_3,
+ emit_4chan_4f_rgba_4 } },
+
+ { "pad", 0, 0,
+ { 0, 0, 0, 0 } }
+
+};
+
+
+/***********************************************************************
+ * list(attrib, size) --> function
+ *
+ * Because of the dependence of size, this all has to take place after
+ * the pipeline has been run.
+ */
+
+emit_func _tnl_codegen_emit( GLcontext *ctx )
+{
+ struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
+ struct tnl_clipspace *vtx = GET_VERTEX_STATE(ctx);
+ struct tnl_clipspace_attr *a = vtx->attr;
+ struct tnl_clipspace_codegen *p = &vtx->codegen;
+ const GLuint count = vtx->attr_count;
+ GLuint j;
+
+ /* Need a faster lookup, or is this linear scan of an MRU list good
+ * enough? MRU chosen based on the guess that consecutive VB's are
+ * likely to be of the same format. A hash of attributes and sizes
+ * might be a better technique.
+ *
+ * With the vtx code now in place, it should be possible to track
+ * changes to the sizes of input arrays (and state, of course) and
+ * only invalidate this function when those sizes have changed.
+ */
+#if 0
+ foreach (l, p->codegen_list) {
+ if (l->attr_count != count)
+ continue;
+
+ /* Assumptions:
+ * a[j].vp will not change for a given attrib
+ * a[j].vertex_offset will not change nothing else has changed.
+ */
+ for (j = 0; j < count; j++)
+ if (a[j].attrib != l->a[j].attrib ||
+ a[j].sz != l->a[j].sz)
+ break;
+
+ if (j == count) {
+ move_to_head(l, p->codegen_list);
+ return l->func;
+ }
+ }
+#endif
+
+ p->emit_header( p, vtx );
+
+ for (j = 0; j < count; j++) {
+ GLuint sz = VB->AttribPtr[a[j].attrib]->size - 1;
+ p->emit_attr_header( p, a, j,
+ emit_info[a[j].format].out_type,
+ emit_info[a[j].format].need_vp );
+
+ if (!emit_info[a[j].format].emit[sz]( p )) {
+ fprintf(stderr, "codegen failed\n");
+ return 0;
+ }
+
+ p->emit_attr_footer( p );
+ }
+
+ p->emit_footer( p );
+
+ return p->emit_store_func( p );
+}
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-12 23:54:32 +0000