mirror of
https://gitlab.freedesktop.org/mesa/mesa.git
synced 2025-12-26 10:40:11 +01:00
i965: Share most of the WM functions between brw_wm_glsl.c and brw_wm_emit.c
The PINTERP code should be faster for brw_wm_glsl.c now since brw_wm_emit.c's had been improved, and pixel_w should no longer stomp on a neighbor to dst.
This commit is contained in:
Eric Anholt
parent
1e5400c575
commit
2b58c31257
3 changed files with 109 additions and 297 deletions
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@ -325,11 +325,19 @@ void emit_alu2(struct brw_compile *p,
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GLuint mask,
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const struct brw_reg *arg0,
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const struct brw_reg *arg1);
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void emit_cinterp(struct brw_compile *p,
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const struct brw_reg *dst,
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GLuint mask,
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const struct brw_reg *arg0);
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void emit_ddxy(struct brw_compile *p,
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const struct brw_reg *dst,
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GLuint mask,
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GLboolean is_ddx,
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const struct brw_reg *arg0);
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void emit_delta_xy(struct brw_compile *p,
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const struct brw_reg *dst,
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GLuint mask,
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const struct brw_reg *arg0);
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void emit_dp3(struct brw_compile *p,
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const struct brw_reg *dst,
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GLuint mask,
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@ -345,6 +353,14 @@ void emit_dph(struct brw_compile *p,
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GLuint mask,
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const struct brw_reg *arg0,
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const struct brw_reg *arg1);
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void emit_frontfacing(struct brw_compile *p,
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const struct brw_reg *dst,
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GLuint mask);
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void emit_linterp(struct brw_compile *p,
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const struct brw_reg *dst,
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GLuint mask,
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const struct brw_reg *arg0,
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const struct brw_reg *deltas);
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void emit_lrp(struct brw_compile *p,
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const struct brw_reg *dst,
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GLuint mask,
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@ -368,12 +384,30 @@ void emit_math2(struct brw_wm_compile *c,
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GLuint mask,
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const struct brw_reg *arg0,
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const struct brw_reg *arg1);
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void emit_pinterp(struct brw_compile *p,
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const struct brw_reg *dst,
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GLuint mask,
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const struct brw_reg *arg0,
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const struct brw_reg *deltas,
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const struct brw_reg *w);
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void emit_pixel_xy(struct brw_wm_compile *c,
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const struct brw_reg *dst,
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GLuint mask);
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void emit_pixel_w(struct brw_wm_compile *c,
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const struct brw_reg *dst,
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GLuint mask,
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const struct brw_reg *arg0,
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const struct brw_reg *deltas);
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void emit_sop(struct brw_compile *p,
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const struct brw_reg *dst,
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GLuint mask,
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GLuint cond,
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const struct brw_reg *arg0,
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const struct brw_reg *arg1);
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void emit_wpos_xy(struct brw_wm_compile *c,
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const struct brw_reg *dst,
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GLuint mask,
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const struct brw_reg *arg0);
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void emit_xpd(struct brw_compile *p,
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const struct brw_reg *dst,
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GLuint mask,
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@ -44,6 +44,7 @@ static INLINE struct brw_reg sechalf( struct brw_reg reg )
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return reg;
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}
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/* Payload R0:
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*
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* R0.0 -- pixel mask, one bit for each of 4 pixels in 4 tiles,
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@ -60,42 +61,50 @@ static INLINE struct brw_reg sechalf( struct brw_reg reg )
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* R1.8 -- ?
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*/
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static void emit_pixel_xy(struct brw_compile *p,
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const struct brw_reg *dst,
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GLuint mask)
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void emit_pixel_xy(struct brw_wm_compile *c,
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const struct brw_reg *dst,
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GLuint mask)
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{
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struct brw_compile *p = &c->func;
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struct brw_reg r1 = brw_vec1_grf(1, 0);
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struct brw_reg r1_uw = retype(r1, BRW_REGISTER_TYPE_UW);
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struct brw_reg dst0_uw, dst1_uw;
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brw_push_insn_state(p);
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brw_set_compression_control(p, BRW_COMPRESSION_NONE);
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if (c->dispatch_width == 16) {
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dst0_uw = vec16(retype(dst[0], BRW_REGISTER_TYPE_UW));
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dst1_uw = vec16(retype(dst[1], BRW_REGISTER_TYPE_UW));
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} else {
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dst0_uw = vec8(retype(dst[0], BRW_REGISTER_TYPE_UW));
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dst1_uw = vec8(retype(dst[1], BRW_REGISTER_TYPE_UW));
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}
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/* Calculate pixel centers by adding 1 or 0 to each of the
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* micro-tile coordinates passed in r1.
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*/
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if (mask & WRITEMASK_X) {
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brw_ADD(p,
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vec16(retype(dst[0], BRW_REGISTER_TYPE_UW)),
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dst0_uw,
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stride(suboffset(r1_uw, 4), 2, 4, 0),
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brw_imm_v(0x10101010));
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}
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if (mask & WRITEMASK_Y) {
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brw_ADD(p,
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vec16(retype(dst[1], BRW_REGISTER_TYPE_UW)),
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dst1_uw,
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stride(suboffset(r1_uw,5), 2, 4, 0),
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brw_imm_v(0x11001100));
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}
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brw_set_compression_control(p, BRW_COMPRESSION_COMPRESSED);
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brw_pop_insn_state(p);
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}
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static void emit_delta_xy(struct brw_compile *p,
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const struct brw_reg *dst,
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GLuint mask,
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const struct brw_reg *arg0)
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void emit_delta_xy(struct brw_compile *p,
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const struct brw_reg *dst,
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GLuint mask,
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const struct brw_reg *arg0)
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{
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struct brw_reg r1 = brw_vec1_grf(1, 0);
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@ -118,10 +127,10 @@ static void emit_delta_xy(struct brw_compile *p,
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}
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}
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static void emit_wpos_xy(struct brw_wm_compile *c,
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const struct brw_reg *dst,
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GLuint mask,
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const struct brw_reg *arg0)
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void emit_wpos_xy(struct brw_wm_compile *c,
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const struct brw_reg *dst,
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GLuint mask,
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const struct brw_reg *arg0)
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{
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struct brw_compile *p = &c->func;
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@ -146,12 +155,14 @@ static void emit_wpos_xy(struct brw_wm_compile *c,
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}
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static void emit_pixel_w( struct brw_compile *p,
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const struct brw_reg *dst,
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GLuint mask,
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const struct brw_reg *arg0,
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const struct brw_reg *deltas)
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void emit_pixel_w(struct brw_wm_compile *c,
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const struct brw_reg *dst,
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GLuint mask,
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const struct brw_reg *arg0,
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const struct brw_reg *deltas)
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{
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struct brw_compile *p = &c->func;
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/* Don't need this if all you are doing is interpolating color, for
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* instance.
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*/
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@ -165,21 +176,29 @@ static void emit_pixel_w( struct brw_compile *p,
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brw_MAC(p, brw_message_reg(2), suboffset(interp3, 1), deltas[1]);
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/* Calc w */
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brw_math_16( p, dst[3],
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BRW_MATH_FUNCTION_INV,
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BRW_MATH_SATURATE_NONE,
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2, brw_null_reg(),
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BRW_MATH_PRECISION_FULL);
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if (c->dispatch_width == 16) {
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brw_math_16(p, dst[3],
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BRW_MATH_FUNCTION_INV,
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BRW_MATH_SATURATE_NONE,
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2, brw_null_reg(),
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BRW_MATH_PRECISION_FULL);
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} else {
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brw_math(p, dst[3],
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BRW_MATH_FUNCTION_INV,
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BRW_MATH_SATURATE_NONE,
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2, brw_null_reg(),
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BRW_MATH_DATA_VECTOR,
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BRW_MATH_PRECISION_FULL);
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}
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}
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}
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static void emit_linterp( struct brw_compile *p,
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const struct brw_reg *dst,
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GLuint mask,
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const struct brw_reg *arg0,
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const struct brw_reg *deltas )
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void emit_linterp(struct brw_compile *p,
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const struct brw_reg *dst,
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GLuint mask,
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const struct brw_reg *arg0,
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const struct brw_reg *deltas)
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{
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struct brw_reg interp[4];
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GLuint nr = arg0[0].nr;
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@ -199,12 +218,12 @@ static void emit_linterp( struct brw_compile *p,
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}
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static void emit_pinterp( struct brw_compile *p,
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const struct brw_reg *dst,
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GLuint mask,
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const struct brw_reg *arg0,
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const struct brw_reg *deltas,
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const struct brw_reg *w)
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void emit_pinterp(struct brw_compile *p,
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const struct brw_reg *dst,
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GLuint mask,
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const struct brw_reg *arg0,
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const struct brw_reg *deltas,
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const struct brw_reg *w)
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{
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struct brw_reg interp[4];
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GLuint nr = arg0[0].nr;
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@ -229,10 +248,10 @@ static void emit_pinterp( struct brw_compile *p,
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}
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static void emit_cinterp( struct brw_compile *p,
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const struct brw_reg *dst,
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GLuint mask,
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const struct brw_reg *arg0 )
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void emit_cinterp(struct brw_compile *p,
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const struct brw_reg *dst,
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GLuint mask,
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const struct brw_reg *arg0)
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{
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struct brw_reg interp[4];
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GLuint nr = arg0[0].nr;
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@ -251,9 +270,9 @@ static void emit_cinterp( struct brw_compile *p,
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}
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/* Sets the destination channels to 1.0 or 0.0 according to glFrontFacing. */
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static void emit_frontfacing( struct brw_compile *p,
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const struct brw_reg *dst,
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GLuint mask )
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void emit_frontfacing(struct brw_compile *p,
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const struct brw_reg *dst,
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GLuint mask)
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{
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struct brw_reg r1_6ud = retype(brw_vec1_grf(1, 6), BRW_REGISTER_TYPE_UD);
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GLuint i;
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@ -1316,7 +1335,7 @@ void brw_wm_emit( struct brw_wm_compile *c )
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/* Generated instructions for calculating triangle interpolants:
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*/
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case WM_PIXELXY:
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emit_pixel_xy(p, dst, dst_flags);
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emit_pixel_xy(c, dst, dst_flags);
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break;
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case WM_DELTAXY:
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@ -1328,7 +1347,7 @@ void brw_wm_emit( struct brw_wm_compile *c )
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break;
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case WM_PIXELW:
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emit_pixel_w(p, dst, dst_flags, args[0], args[1]);
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emit_pixel_w(c, dst, dst_flags, args[0], args[1]);
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break;
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case WM_LINTERP:
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@ -671,67 +671,6 @@ unalias3(struct brw_wm_compile *c,
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release_tmps(c, mark);
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}
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static void emit_pixel_xy(struct brw_wm_compile *c,
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const struct prog_instruction *inst)
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{
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struct brw_reg r1 = brw_vec1_grf(1, 0);
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struct brw_reg r1_uw = retype(r1, BRW_REGISTER_TYPE_UW);
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struct brw_reg dst0, dst1;
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struct brw_compile *p = &c->func;
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GLuint mask = inst->DstReg.WriteMask;
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dst0 = get_dst_reg(c, inst, 0);
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dst1 = get_dst_reg(c, inst, 1);
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/* Calculate pixel centers by adding 1 or 0 to each of the
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* micro-tile coordinates passed in r1.
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*/
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if (mask & WRITEMASK_X) {
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brw_ADD(p,
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vec8(retype(dst0, BRW_REGISTER_TYPE_UW)),
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stride(suboffset(r1_uw, 4), 2, 4, 0),
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brw_imm_v(0x10101010));
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}
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if (mask & WRITEMASK_Y) {
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brw_ADD(p,
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vec8(retype(dst1, BRW_REGISTER_TYPE_UW)),
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stride(suboffset(r1_uw, 5), 2, 4, 0),
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brw_imm_v(0x11001100));
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}
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}
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static void emit_delta_xy(struct brw_wm_compile *c,
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const struct prog_instruction *inst)
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{
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struct brw_reg r1 = brw_vec1_grf(1, 0);
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struct brw_reg dst0, dst1, src0, src1;
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struct brw_compile *p = &c->func;
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GLuint mask = inst->DstReg.WriteMask;
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dst0 = get_dst_reg(c, inst, 0);
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dst1 = get_dst_reg(c, inst, 1);
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src0 = get_src_reg(c, inst, 0, 0);
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src1 = get_src_reg(c, inst, 0, 1);
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/* Calc delta X,Y by subtracting origin in r1 from the pixel
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* centers.
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*/
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if (mask & WRITEMASK_X) {
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brw_ADD(p,
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dst0,
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retype(src0, BRW_REGISTER_TYPE_UW),
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negate(r1));
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}
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if (mask & WRITEMASK_Y) {
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brw_ADD(p,
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dst1,
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retype(src1, BRW_REGISTER_TYPE_UW),
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negate(suboffset(r1,1)));
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}
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}
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static void fire_fb_write( struct brw_wm_compile *c,
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GLuint base_reg,
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GLuint nr,
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@ -829,154 +768,6 @@ static void emit_fb_write(struct brw_wm_compile *c,
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fire_fb_write(c, 0, nr, target, eot);
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}
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static void emit_pixel_w( struct brw_wm_compile *c,
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const struct prog_instruction *inst)
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{
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struct brw_compile *p = &c->func;
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GLuint mask = inst->DstReg.WriteMask;
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if (mask & WRITEMASK_W) {
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struct brw_reg dst, src0, delta0, delta1;
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struct brw_reg interp3;
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dst = get_dst_reg(c, inst, 3);
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src0 = get_src_reg(c, inst, 0, 0);
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delta0 = get_src_reg(c, inst, 1, 0);
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delta1 = get_src_reg(c, inst, 1, 1);
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interp3 = brw_vec1_grf(src0.nr+1, 4);
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/* Calc 1/w - just linterp wpos[3] optimized by putting the
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* result straight into a message reg.
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*/
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brw_LINE(p, brw_null_reg(), interp3, delta0);
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brw_MAC(p, brw_message_reg(2), suboffset(interp3, 1), delta1);
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/* Calc w */
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brw_math_16( p, dst,
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BRW_MATH_FUNCTION_INV,
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BRW_MATH_SATURATE_NONE,
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2, brw_null_reg(),
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BRW_MATH_PRECISION_FULL);
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}
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}
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static void emit_linterp(struct brw_wm_compile *c,
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const struct prog_instruction *inst)
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{
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struct brw_compile *p = &c->func;
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GLuint mask = inst->DstReg.WriteMask;
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struct brw_reg interp[4];
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struct brw_reg dst, delta0, delta1;
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struct brw_reg src0;
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GLuint nr, i;
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src0 = get_src_reg(c, inst, 0, 0);
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delta0 = get_src_reg(c, inst, 1, 0);
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delta1 = get_src_reg(c, inst, 1, 1);
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nr = src0.nr;
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interp[0] = brw_vec1_grf(nr, 0);
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interp[1] = brw_vec1_grf(nr, 4);
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interp[2] = brw_vec1_grf(nr+1, 0);
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interp[3] = brw_vec1_grf(nr+1, 4);
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for(i = 0; i < 4; i++ ) {
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if (mask & (1<<i)) {
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dst = get_dst_reg(c, inst, i);
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brw_LINE(p, brw_null_reg(), interp[i], delta0);
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brw_MAC(p, dst, suboffset(interp[i],1), delta1);
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}
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}
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}
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static void emit_cinterp(struct brw_wm_compile *c,
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const struct prog_instruction *inst)
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{
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struct brw_compile *p = &c->func;
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GLuint mask = inst->DstReg.WriteMask;
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struct brw_reg interp[4];
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struct brw_reg dst, src0;
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GLuint nr, i;
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src0 = get_src_reg(c, inst, 0, 0);
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nr = src0.nr;
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interp[0] = brw_vec1_grf(nr, 0);
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interp[1] = brw_vec1_grf(nr, 4);
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interp[2] = brw_vec1_grf(nr+1, 0);
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interp[3] = brw_vec1_grf(nr+1, 4);
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for(i = 0; i < 4; i++ ) {
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if (mask & (1<<i)) {
|
||||
dst = get_dst_reg(c, inst, i);
|
||||
brw_MOV(p, dst, suboffset(interp[i],3));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void emit_pinterp(struct brw_wm_compile *c,
|
||||
const struct prog_instruction *inst)
|
||||
{
|
||||
struct brw_compile *p = &c->func;
|
||||
GLuint mask = inst->DstReg.WriteMask;
|
||||
|
||||
struct brw_reg interp[4];
|
||||
struct brw_reg dst, delta0, delta1;
|
||||
struct brw_reg src0, w;
|
||||
GLuint nr, i;
|
||||
|
||||
src0 = get_src_reg(c, inst, 0, 0);
|
||||
delta0 = get_src_reg(c, inst, 1, 0);
|
||||
delta1 = get_src_reg(c, inst, 1, 1);
|
||||
w = get_src_reg(c, inst, 2, 3);
|
||||
nr = src0.nr;
|
||||
|
||||
interp[0] = brw_vec1_grf(nr, 0);
|
||||
interp[1] = brw_vec1_grf(nr, 4);
|
||||
interp[2] = brw_vec1_grf(nr+1, 0);
|
||||
interp[3] = brw_vec1_grf(nr+1, 4);
|
||||
|
||||
for(i = 0; i < 4; i++ ) {
|
||||
if (mask & (1<<i)) {
|
||||
dst = get_dst_reg(c, inst, i);
|
||||
brw_LINE(p, brw_null_reg(), interp[i], delta0);
|
||||
brw_MAC(p, dst, suboffset(interp[i],1),
|
||||
delta1);
|
||||
brw_MUL(p, dst, dst, w);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/* Sets the destination channels to 1.0 or 0.0 according to glFrontFacing. */
|
||||
static void emit_frontfacing(struct brw_wm_compile *c,
|
||||
const struct prog_instruction *inst)
|
||||
{
|
||||
struct brw_compile *p = &c->func;
|
||||
struct brw_reg r1_6ud = retype(brw_vec1_grf(1, 6), BRW_REGISTER_TYPE_UD);
|
||||
struct brw_reg dst;
|
||||
GLuint mask = inst->DstReg.WriteMask;
|
||||
int i;
|
||||
|
||||
for (i = 0; i < 4; i++) {
|
||||
if (mask & (1<<i)) {
|
||||
dst = get_dst_reg(c, inst, i);
|
||||
brw_MOV(p, dst, brw_imm_f(0.0));
|
||||
}
|
||||
}
|
||||
|
||||
/* bit 31 is "primitive is back face", so checking < (1 << 31) gives
|
||||
* us front face
|
||||
*/
|
||||
brw_CMP(p, brw_null_reg(), BRW_CONDITIONAL_L, r1_6ud, brw_imm_ud(1 << 31));
|
||||
for (i = 0; i < 4; i++) {
|
||||
if (mask & (1<<i)) {
|
||||
dst = get_dst_reg(c, inst, i);
|
||||
brw_MOV(p, dst, brw_imm_f(1.0));
|
||||
}
|
||||
}
|
||||
brw_set_predicate_control_flag_value(p, 0xff);
|
||||
}
|
||||
|
||||
static void emit_arl(struct brw_wm_compile *c,
|
||||
const struct prog_instruction *inst)
|
||||
{
|
||||
|
|
@ -2106,39 +1897,7 @@ static void emit_noise4( struct brw_wm_compile *c,
|
|||
|
||||
release_tmps( c, mark );
|
||||
}
|
||||
|
||||
static void emit_wpos_xy(struct brw_wm_compile *c,
|
||||
const struct prog_instruction *inst)
|
||||
{
|
||||
struct brw_compile *p = &c->func;
|
||||
GLuint mask = inst->DstReg.WriteMask;
|
||||
struct brw_reg src0[2], dst[2];
|
||||
|
||||
dst[0] = get_dst_reg(c, inst, 0);
|
||||
dst[1] = get_dst_reg(c, inst, 1);
|
||||
|
||||
src0[0] = get_src_reg(c, inst, 0, 0);
|
||||
src0[1] = get_src_reg(c, inst, 0, 1);
|
||||
|
||||
/* Calculate the pixel offset from window bottom left into destination
|
||||
* X and Y channels.
|
||||
*/
|
||||
if (mask & WRITEMASK_X) {
|
||||
/* X' = X - origin_x */
|
||||
brw_ADD(p,
|
||||
dst[0],
|
||||
retype(src0[0], BRW_REGISTER_TYPE_W),
|
||||
brw_imm_d(0 - c->key.origin_x));
|
||||
}
|
||||
|
||||
if (mask & WRITEMASK_Y) {
|
||||
/* Y' = height - (Y - origin_y) = height + origin_y - Y */
|
||||
brw_ADD(p,
|
||||
dst[1],
|
||||
negate(retype(src0[1], BRW_REGISTER_TYPE_W)),
|
||||
brw_imm_d(c->key.origin_y + c->key.drawable_height - 1));
|
||||
}
|
||||
}
|
||||
|
||||
/* TODO
|
||||
BIAS on SIMD8 not working yet...
|
||||
|
|
@ -2378,31 +2137,31 @@ static void brw_wm_emit_glsl(struct brw_context *brw, struct brw_wm_compile *c)
|
|||
|
||||
switch (inst->Opcode) {
|
||||
case WM_PIXELXY:
|
||||
emit_pixel_xy(c, inst);
|
||||
emit_pixel_xy(c, dst, dst_flags);
|
||||
break;
|
||||
case WM_DELTAXY:
|
||||
emit_delta_xy(c, inst);
|
||||
emit_delta_xy(p, dst, dst_flags, args[0]);
|
||||
break;
|
||||
case WM_PIXELW:
|
||||
emit_pixel_w(c, inst);
|
||||
emit_pixel_w(c, dst, dst_flags, args[0], args[1]);
|
||||
break;
|
||||
case WM_LINTERP:
|
||||
emit_linterp(c, inst);
|
||||
emit_linterp(p, dst, dst_flags, args[0], args[1]);
|
||||
break;
|
||||
case WM_PINTERP:
|
||||
emit_pinterp(c, inst);
|
||||
emit_pinterp(p, dst, dst_flags, args[0], args[1], args[2]);
|
||||
break;
|
||||
case WM_CINTERP:
|
||||
emit_cinterp(c, inst);
|
||||
emit_cinterp(p, dst, dst_flags, args[0]);
|
||||
break;
|
||||
case WM_WPOSXY:
|
||||
emit_wpos_xy(c, inst);
|
||||
emit_wpos_xy(c, dst, dst_flags, args[0]);
|
||||
break;
|
||||
case WM_FB_WRITE:
|
||||
emit_fb_write(c, inst);
|
||||
break;
|
||||
case WM_FRONTFACING:
|
||||
emit_frontfacing(c, inst);
|
||||
emit_frontfacing(p, dst, dst_flags);
|
||||
break;
|
||||
case OPCODE_ADD:
|
||||
emit_alu2(p, brw_ADD, dst, dst_flags, args[0], args[1]);
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue