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authorEric Anholt <[email protected]>2009-08-19 11:48:09 -0700
committerEric Anholt <[email protected]>2009-11-06 21:08:55 -0800
commitcfa927766ab610a9a76730d337d77008d876ebbd (patch)
tree945a696babdddd553647716c0d5a37229405be1c /src/mesa/drivers/dri/i965/brw_wm_glsl.c
parent2b58c31257f8900067276b6d6537bb2ce54b1b10 (diff)
i965: Share emit_fb_write() between brw_wm_emit.c and brw_wm_glsl.c
This should fix issues with antialiased lines in GLSL.
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_wm_glsl.c')
-rw-r--r--src/mesa/drivers/dri/i965/brw_wm_glsl.c101
1 files changed, 3 insertions, 98 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_wm_glsl.c b/src/mesa/drivers/dri/i965/brw_wm_glsl.c
index d0987362a4e..be89bcf4ba6 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_glsl.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_glsl.c
@@ -671,103 +671,6 @@ unalias3(struct brw_wm_compile *c,
release_tmps(c, mark);
}
-static void fire_fb_write( struct brw_wm_compile *c,
- GLuint base_reg,
- GLuint nr,
- GLuint target,
- GLuint eot)
-{
- struct brw_compile *p = &c->func;
- /* Pass through control information:
- */
- /* mov (8) m1.0<1>:ud r1.0<8;8,1>:ud { Align1 NoMask } */
- {
- brw_push_insn_state(p);
- brw_set_mask_control(p, BRW_MASK_DISABLE); /* ? */
- brw_MOV(p,
- brw_message_reg(base_reg + 1),
- brw_vec8_grf(1, 0));
- brw_pop_insn_state(p);
- }
- /* Send framebuffer write message: */
- brw_fb_WRITE(p,
- retype(vec8(brw_null_reg()), BRW_REGISTER_TYPE_UW),
- base_reg,
- retype(brw_vec8_grf(0, 0), BRW_REGISTER_TYPE_UW),
- target,
- nr,
- 0,
- eot);
-}
-
-static void emit_fb_write(struct brw_wm_compile *c,
- const struct prog_instruction *inst)
-{
- struct brw_compile *p = &c->func;
- int nr = 2;
- int channel;
- GLuint target, eot;
- struct brw_reg src0;
-
- /* Reserve a space for AA - may not be needed:
- */
- if (c->key.aa_dest_stencil_reg)
- nr += 1;
-
- brw_push_insn_state(p);
- for (channel = 0; channel < 4; channel++) {
- src0 = get_src_reg(c, inst, 0, channel);
- /* mov (8) m2.0<1>:ud r28.0<8;8,1>:ud { Align1 } */
- /* mov (8) m6.0<1>:ud r29.0<8;8,1>:ud { Align1 SecHalf } */
- brw_MOV(p, brw_message_reg(nr + channel), src0);
- }
- /* skip over the regs populated above: */
- nr += 8;
- brw_pop_insn_state(p);
-
- if (c->key.source_depth_to_render_target) {
- if (c->key.computes_depth) {
- src0 = get_src_reg(c, inst, 2, 2);
- brw_MOV(p, brw_message_reg(nr), src0);
- }
- else {
- src0 = get_src_reg(c, inst, 1, 1);
- brw_MOV(p, brw_message_reg(nr), src0);
- }
-
- nr += 2;
- }
-
- if (c->key.dest_depth_reg) {
- const GLuint comp = c->key.dest_depth_reg / 2;
- const GLuint off = c->key.dest_depth_reg % 2;
-
- if (off != 0) {
- /* XXX this code needs review/testing */
- struct brw_reg arg1_0 = get_src_reg(c, inst, 1, comp);
- struct brw_reg arg1_1 = get_src_reg(c, inst, 1, comp+1);
-
- brw_push_insn_state(p);
- brw_set_compression_control(p, BRW_COMPRESSION_NONE);
-
- brw_MOV(p, brw_message_reg(nr), offset(arg1_0, 1));
- /* 2nd half? */
- brw_MOV(p, brw_message_reg(nr+1), arg1_1);
- brw_pop_insn_state(p);
- }
- else
- {
- struct brw_reg src = get_src_reg(c, inst, 1, 1);
- brw_MOV(p, brw_message_reg(nr), src);
- }
- nr += 2;
- }
-
- target = INST_AUX_GET_TARGET(inst->Aux);
- eot = inst->Aux & INST_AUX_EOT;
- fire_fb_write(c, 0, nr, target, eot);
-}
-
static void emit_arl(struct brw_wm_compile *c,
const struct prog_instruction *inst)
{
@@ -2158,7 +2061,9 @@ static void brw_wm_emit_glsl(struct brw_context *brw, struct brw_wm_compile *c)
emit_wpos_xy(c, dst, dst_flags, args[0]);
break;
case WM_FB_WRITE:
- emit_fb_write(c, inst);
+ emit_fb_write(c, args[0], args[1], args[2],
+ INST_AUX_GET_TARGET(inst->Aux),
+ inst->Aux & INST_AUX_EOT);
break;
case WM_FRONTFACING:
emit_frontfacing(p, dst, dst_flags);