#include "main/glheader.h"
#include "main/macros.h"
#include "main/enums.h"
-#include "shader/program.h"
+#include "program/program.h"
#include "intel_batchbuffer.h"
#include "brw_defines.h"
#include "brw_context.h"
#include "brw_eu.h"
-#include "brw_util.h"
#include "brw_clip.h"
static void brw_clip_line_alloc_regs( struct brw_clip_compile *c )
{
+ struct intel_context *intel = &c->func.brw->intel;
GLuint i = 0,j;
/* Register usage is static, precompute here:
i++;
}
+ if (intel->needs_ff_sync) {
+ c->reg.ff_sync = retype(brw_vec1_grf(i, 0), BRW_REGISTER_TYPE_UD);
+ i++;
+ }
c->first_tmp = i;
c->last_tmp = i;
static void clip_and_emit_line( struct brw_clip_compile *c )
{
struct brw_compile *p = &c->func;
+ struct brw_context *brw = p->brw;
struct brw_indirect vtx0 = brw_indirect(0, 0);
struct brw_indirect vtx1 = brw_indirect(1, 0);
struct brw_indirect newvtx0 = brw_indirect(2, 0);
struct brw_indirect newvtx1 = brw_indirect(3, 0);
struct brw_indirect plane_ptr = brw_indirect(4, 0);
- struct brw_instruction *plane_loop;
- struct brw_instruction *plane_active;
- struct brw_instruction *is_negative;
- struct brw_instruction *is_neg2;
- struct brw_instruction *not_culled;
struct brw_reg v1_null_ud = retype(vec1(brw_null_reg()), BRW_REGISTER_TYPE_UD);
+ GLuint hpos_offset = brw_varying_to_offset(&c->vue_map, VARYING_SLOT_POS);
brw_MOV(p, get_addr_reg(vtx0), brw_address(c->reg.vertex[0]));
brw_MOV(p, get_addr_reg(vtx1), brw_address(c->reg.vertex[1]));
brw_clip_init_clipmask(c);
/* -ve rhw workaround */
- if (!BRW_IS_G4X(p->brw)) {
+ if (brw->has_negative_rhw_bug) {
brw_set_conditionalmod(p, BRW_CONDITIONAL_NZ);
brw_AND(p, brw_null_reg(), get_element_ud(c->reg.R0, 2),
brw_imm_ud(1<<20));
brw_set_predicate_control(p, BRW_PREDICATE_NONE);
- plane_loop = brw_DO(p, BRW_EXECUTE_1);
+ brw_DO(p, BRW_EXECUTE_1);
{
/* if (planemask & 1)
*/
brw_set_conditionalmod(p, BRW_CONDITIONAL_NZ);
brw_AND(p, v1_null_ud, c->reg.planemask, brw_imm_ud(1));
- plane_active = brw_IF(p, BRW_EXECUTE_1);
+ brw_IF(p, BRW_EXECUTE_1);
{
if (c->key.nr_userclip)
brw_MOV(p, c->reg.plane_equation, deref_4f(plane_ptr, 0));
/* dp = DP4(vtx->position, plane)
*/
- brw_DP4(p, vec4(c->reg.dp0), deref_4f(vtx0, c->offset[VERT_RESULT_HPOS]), c->reg.plane_equation);
+ brw_DP4(p, vec4(c->reg.dp0), deref_4f(vtx0, hpos_offset), c->reg.plane_equation);
/* if (IS_NEGATIVE(dp1))
*/
brw_set_conditionalmod(p, BRW_CONDITIONAL_L);
- brw_DP4(p, vec4(c->reg.dp1), deref_4f(vtx1, c->offset[VERT_RESULT_HPOS]), c->reg.plane_equation);
- is_negative = brw_IF(p, BRW_EXECUTE_1);
+ brw_DP4(p, vec4(c->reg.dp1), deref_4f(vtx1, hpos_offset), c->reg.plane_equation);
+ brw_IF(p, BRW_EXECUTE_1);
{
- brw_ADD(p, c->reg.t, c->reg.dp1, negate(c->reg.dp0));
- brw_math_invert(p, c->reg.t, c->reg.t);
- brw_MUL(p, c->reg.t, c->reg.t, c->reg.dp1);
-
- brw_CMP(p, vec1(brw_null_reg()), BRW_CONDITIONAL_G, c->reg.t, c->reg.t1 );
- brw_MOV(p, c->reg.t1, c->reg.t);
- brw_set_predicate_control(p, BRW_PREDICATE_NONE);
+ /*
+ * Both can be negative on GM965/G965 due to RHW workaround
+ * if so, this object should be rejected.
+ */
+ if (brw->has_negative_rhw_bug) {
+ brw_CMP(p, vec1(brw_null_reg()), BRW_CONDITIONAL_LE, c->reg.dp0, brw_imm_f(0.0));
+ brw_IF(p, BRW_EXECUTE_1);
+ {
+ brw_clip_kill_thread(c);
+ }
+ brw_ENDIF(p);
+ }
+
+ brw_ADD(p, c->reg.t, c->reg.dp1, negate(c->reg.dp0));
+ brw_math_invert(p, c->reg.t, c->reg.t);
+ brw_MUL(p, c->reg.t, c->reg.t, c->reg.dp1);
+
+ brw_CMP(p, vec1(brw_null_reg()), BRW_CONDITIONAL_G, c->reg.t, c->reg.t1 );
+ brw_MOV(p, c->reg.t1, c->reg.t);
+ brw_set_predicate_control(p, BRW_PREDICATE_NONE);
}
- is_negative = brw_ELSE(p, is_negative);
+ brw_ELSE(p);
{
- /* Coming back in. We know that both cannot be negative
- * because the line would have been culled in that case.
- */
+ /* Coming back in. We know that both cannot be negative
+ * because the line would have been culled in that case.
+ */
+
+ /* If both are positive, do nothing */
+ /* Only on GM965/G965 */
+ if (brw->has_negative_rhw_bug) {
+ brw_CMP(p, vec1(brw_null_reg()), BRW_CONDITIONAL_L, c->reg.dp0, brw_imm_f(0.0));
+ brw_IF(p, BRW_EXECUTE_1);
+ }
- /* If both are positive, do nothing */
- brw_CMP(p, vec1(brw_null_reg()), BRW_CONDITIONAL_L, c->reg.dp0, brw_imm_f(0.0));
- is_neg2 = brw_IF(p, BRW_EXECUTE_1);
{
- brw_ADD(p, c->reg.t, c->reg.dp0, negate(c->reg.dp1));
- brw_math_invert(p, c->reg.t, c->reg.t);
- brw_MUL(p, c->reg.t, c->reg.t, c->reg.dp0);
-
- brw_CMP(p, vec1(brw_null_reg()), BRW_CONDITIONAL_G, c->reg.t, c->reg.t0 );
- brw_MOV(p, c->reg.t0, c->reg.t);
- brw_set_predicate_control(p, BRW_PREDICATE_NONE);
- }
- brw_ENDIF(p, is_neg2);
- }
- brw_ENDIF(p, is_negative);
+ brw_ADD(p, c->reg.t, c->reg.dp0, negate(c->reg.dp1));
+ brw_math_invert(p, c->reg.t, c->reg.t);
+ brw_MUL(p, c->reg.t, c->reg.t, c->reg.dp0);
+
+ brw_CMP(p, vec1(brw_null_reg()), BRW_CONDITIONAL_G, c->reg.t, c->reg.t0 );
+ brw_MOV(p, c->reg.t0, c->reg.t);
+ brw_set_predicate_control(p, BRW_PREDICATE_NONE);
+ }
+
+ if (brw->has_negative_rhw_bug) {
+ brw_ENDIF(p);
+ }
+ }
+ brw_ENDIF(p);
}
- brw_ENDIF(p, plane_active);
+ brw_ENDIF(p);
/* plane_ptr++;
*/
brw_set_conditionalmod(p, BRW_CONDITIONAL_NZ);
brw_SHR(p, c->reg.planemask, c->reg.planemask, brw_imm_ud(1));
}
- brw_WHILE(p, plane_loop);
+ brw_WHILE(p);
brw_ADD(p, c->reg.t, c->reg.t0, c->reg.t1);
brw_CMP(p, vec1(brw_null_reg()), BRW_CONDITIONAL_L, c->reg.t, brw_imm_f(1.0));
- not_culled = brw_IF(p, BRW_EXECUTE_1);
+ brw_IF(p, BRW_EXECUTE_1);
{
- brw_clip_interp_vertex(c, newvtx0, vtx0, vtx1, c->reg.t0, GL_FALSE);
- brw_clip_interp_vertex(c, newvtx1, vtx1, vtx0, c->reg.t1, GL_FALSE);
-
- brw_clip_emit_vue(c, newvtx0, 1, 0, (_3DPRIM_LINESTRIP << 2) | R02_PRIM_START);
- brw_clip_emit_vue(c, newvtx1, 0, 1, (_3DPRIM_LINESTRIP << 2) | R02_PRIM_END);
+ brw_clip_interp_vertex(c, newvtx0, vtx0, vtx1, c->reg.t0, false);
+ brw_clip_interp_vertex(c, newvtx1, vtx1, vtx0, c->reg.t1, false);
+
+ brw_clip_emit_vue(c, newvtx0, 1, 0,
+ (_3DPRIM_LINESTRIP << URB_WRITE_PRIM_TYPE_SHIFT)
+ | URB_WRITE_PRIM_START);
+ brw_clip_emit_vue(c, newvtx1, 0, 1,
+ (_3DPRIM_LINESTRIP << URB_WRITE_PRIM_TYPE_SHIFT)
+ | URB_WRITE_PRIM_END);
}
- brw_ENDIF(p, not_culled);
+ brw_ENDIF(p);
brw_clip_kill_thread(c);
}
void brw_emit_line_clip( struct brw_clip_compile *c )
{
brw_clip_line_alloc_regs(c);
+ brw_clip_init_ff_sync(c);
- if (c->key.do_flat_shading)
- brw_clip_copy_colors(c, 0, 1);
+ if (c->key.do_flat_shading) {
+ if (c->key.pv_first)
+ brw_clip_copy_colors(c, 1, 0);
+ else
+ brw_clip_copy_colors(c, 0, 1);
+ }
clip_and_emit_line(c);
}
projects / mesa.git / blobdiff