Copyright (C) Intel Corp. 2006. All Rights Reserved.
Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
develop this 3D driver.
-
+
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
distribute, sublicense, 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 NONINFRINGEMENT.
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:
/* Calculate the vectors of two edges of the triangle:
*/
- brw_ADD(p, e, v0n, negate(v2n));
- brw_ADD(p, f, v1n, negate(v2n));
+ brw_ADD(p, e, v0n, negate(v2n));
+ brw_ADD(p, f, v1n, negate(v2n));
/* Take their crossproduct:
*/
conditional,
get_element(c->reg.dir, 2),
brw_imm_f(0));
-
+
brw_IF(p, BRW_EXECUTE_1);
{
brw_clip_kill_thread(c);
struct brw_compile *p = &c->func;
GLuint conditional;
- /* Do we have any colors to copy?
+ /* Do we have any colors to copy?
*/
if (!(brw_clip_have_varying(c, VARYING_SLOT_COL0) &&
brw_clip_have_varying(c, VARYING_SLOT_BFC0)) &&
conditional,
get_element(c->reg.dir, 2),
brw_imm_f(0));
-
+
brw_IF(p, BRW_EXECUTE_1);
{
GLuint i;
for (i = 0; i < 3; i++) {
if (brw_clip_have_varying(c, VARYING_SLOT_COL0) &&
brw_clip_have_varying(c, VARYING_SLOT_BFC0))
- brw_MOV(p,
+ brw_MOV(p,
byte_offset(c->reg.vertex[i],
brw_varying_to_offset(&c->vue_map,
VARYING_SLOT_COL0)),
if (brw_clip_have_varying(c, VARYING_SLOT_COL1) &&
brw_clip_have_varying(c, VARYING_SLOT_BFC1))
- brw_MOV(p,
+ brw_MOV(p,
byte_offset(c->reg.vertex[i],
brw_varying_to_offset(&c->vue_map,
VARYING_SLOT_COL1)),
struct brw_compile *p = &c->func;
struct brw_reg off = c->reg.offset;
struct brw_reg dir = c->reg.dir;
-
+
brw_math_invert(p, get_element(off, 2), get_element(dir, 2));
brw_MUL(p, vec2(off), dir, get_element(off, 2));
- brw_CMP(p,
- vec1(brw_null_reg()),
+ brw_CMP(p,
+ vec1(brw_null_reg()),
BRW_CONDITIONAL_GE,
- brw_abs(get_element(off, 0)),
+ brw_abs(get_element(off, 0)),
brw_abs(get_element(off, 1)));
brw_SEL(p, vec1(off), brw_abs(get_element(off, 0)), brw_abs(get_element(off, 1)));
struct brw_compile *p = &c->func;
struct brw_reg tmp0 = get_element_ud(c->reg.tmp0, 0);
- brw_AND(p, tmp0, get_element_ud(c->reg.R0, 2), brw_imm_ud(PRIM_MASK));
- brw_CMP(p,
- vec1(brw_null_reg()),
- BRW_CONDITIONAL_EQ,
+ brw_AND(p, tmp0, get_element_ud(c->reg.R0, 2), brw_imm_ud(PRIM_MASK));
+ brw_CMP(p,
+ vec1(brw_null_reg()),
+ BRW_CONDITIONAL_EQ,
tmp0,
brw_imm_ud(_3DPRIM_POLYGON));
* a _3DPRIM_TRISTRIP_REVERSE:
*/
brw_IF(p, BRW_EXECUTE_1);
- {
+ {
brw_set_conditionalmod(p, BRW_CONDITIONAL_EQ);
brw_AND(p, vec1(brw_null_reg()), get_element_ud(c->reg.R0, 2), brw_imm_ud(1<<8));
brw_MOV(p, byte_offset(c->reg.vertex[0],
{
brw_MOV(p, get_addr_reg(v0), deref_1uw(v0ptr, 0));
brw_ADD(p, get_addr_reg(v0ptr), get_addr_reg(v0ptr), brw_imm_uw(2));
-
+
apply_one_offset(c, v0);
-
+
brw_set_conditionalmod(p, BRW_CONDITIONAL_G);
brw_ADD(p, c->reg.loopcount, c->reg.loopcount, brw_imm_d(-1));
}
brw_ADD(p, get_addr_reg(v0ptr), get_addr_reg(v0ptr), brw_imm_uw(2));
/* draw edge if edgeflag != 0 */
- brw_CMP(p,
- vec1(brw_null_reg()), BRW_CONDITIONAL_NZ,
+ brw_CMP(p,
+ vec1(brw_null_reg()), BRW_CONDITIONAL_NZ,
deref_1f(v0, brw_varying_to_offset(&c->vue_map,
VARYING_SLOT_EDGE)),
brw_imm_f(0));
brw_MOV(p, get_addr_reg(v0), deref_1uw(v0ptr, 0));
brw_ADD(p, get_addr_reg(v0ptr), get_addr_reg(v0ptr), brw_imm_uw(2));
- /* draw if edgeflag != 0
+ /* draw if edgeflag != 0
*/
- brw_CMP(p,
- vec1(brw_null_reg()), BRW_CONDITIONAL_NZ,
+ brw_CMP(p,
+ vec1(brw_null_reg()), BRW_CONDITIONAL_NZ,
deref_1f(v0, brw_varying_to_offset(&c->vue_map,
VARYING_SLOT_EDGE)),
brw_imm_f(0));
static void emit_primitives( struct brw_clip_compile *c,
- GLuint mode,
+ GLuint mode,
bool do_offset )
{
switch (mode) {
assert(0);
break;
}
-}
+}
BRW_CONDITIONAL_GE,
get_element(c->reg.dir, 2),
brw_imm_f(0));
-
+
brw_IF(p, BRW_EXECUTE_1);
{
emit_primitives(c, c->key.fill_ccw, c->key.offset_ccw);
else if (c->key.fill_cw != CLIP_CULL) {
emit_primitives(c, c->key.fill_cw, c->key.offset_cw);
}
- else if (c->key.fill_ccw != CLIP_CULL) {
+ else if (c->key.fill_ccw != CLIP_CULL) {
emit_primitives(c, c->key.fill_ccw, c->key.offset_ccw);
}
}
{
struct brw_compile *p = &c->func;
- brw_CMP(p, vec1(brw_null_reg()), BRW_CONDITIONAL_L, c->reg.nr_verts, brw_imm_d(3));
+ brw_CMP(p, vec1(brw_null_reg()), BRW_CONDITIONAL_L, c->reg.nr_verts, brw_imm_d(3));
brw_IF(p, BRW_EXECUTE_1);
{
brw_clip_kill_thread(c);
merge_edgeflags(c);
- /* Need to use the inlist indirection here:
+ /* Need to use the inlist indirection here:
*/
- if (c->need_direction)
+ if (c->need_direction)
compute_tri_direction(c);
-
+
if (c->key.fill_ccw == CLIP_CULL ||
c->key.fill_cw == CLIP_CULL)
cull_direction(c);
*/
if (c->has_flat_shading)
brw_clip_tri_flat_shade(c);
-
+
brw_clip_init_clipmask(c);
brw_CMP(p, vec1(brw_null_reg()), BRW_CONDITIONAL_NZ, c->reg.planemask, brw_imm_ud(0));
brw_IF(p, BRW_EXECUTE_1);
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