682 lines
16 KiB
C
682 lines
16 KiB
C
#include "brw.h"
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#define X16 8
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#define Y16 10
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static void brw_wm_xy(struct brw_compile *p, int dw)
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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_uw(r1);
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struct brw_reg x_uw, y_uw;
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brw_set_compression_control(p, BRW_COMPRESSION_NONE);
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if (dw == 16) {
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x_uw = brw_uw16_grf(30, 0);
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y_uw = brw_uw16_grf(28, 0);
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} else {
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x_uw = brw_uw8_grf(30, 0);
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y_uw = brw_uw8_grf(28, 0);
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}
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brw_ADD(p,
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x_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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brw_ADD(p,
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y_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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brw_set_compression_control(p, BRW_COMPRESSION_COMPRESSED);
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brw_ADD(p, brw_vec8_grf(X16, 0), vec8(x_uw), brw_negate(r1));
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brw_ADD(p, brw_vec8_grf(Y16, 0), vec8(y_uw), brw_negate(__suboffset(r1, 1)));
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}
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static void brw_wm_affine_st(struct brw_compile *p, int dw,
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int channel, int msg)
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{
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int uv;
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if (dw == 16) {
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brw_set_compression_control(p, BRW_COMPRESSION_COMPRESSED);
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uv = p->gen >= 060 ? 6 : 3;
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} else {
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brw_set_compression_control(p, BRW_COMPRESSION_NONE);
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uv = p->gen >= 060 ? 4 : 3;
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}
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uv += 2*channel;
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msg++;
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if (p->gen >= 060) {
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brw_PLN(p,
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brw_message_reg(msg),
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brw_vec1_grf(uv, 0),
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brw_vec8_grf(2, 0));
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msg += dw/8;
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brw_PLN(p,
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brw_message_reg(msg),
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brw_vec1_grf(uv, 4),
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brw_vec8_grf(2, 0));
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} else {
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struct brw_reg r = brw_vec1_grf(uv, 0);
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brw_LINE(p, brw_null_reg(), __suboffset(r, 0), brw_vec8_grf(X16, 0));
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brw_MAC(p, brw_message_reg(msg), __suboffset(r, 1), brw_vec8_grf(Y16, 0));
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msg += dw/8;
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brw_LINE(p, brw_null_reg(), __suboffset(r, 4), brw_vec8_grf(X16, 0));
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brw_MAC(p, brw_message_reg(msg), __suboffset(r, 5), brw_vec8_grf(Y16, 0));
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}
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}
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static inline unsigned simd(int dw)
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{
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return dw == 16 ? BRW_SAMPLER_SIMD_MODE_SIMD16 : BRW_SAMPLER_SIMD_MODE_SIMD8;
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}
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static inline struct brw_reg sample_result(int dw, int result)
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{
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return brw_reg(BRW_GENERAL_REGISTER_FILE, result, 0,
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BRW_REGISTER_TYPE_UW,
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dw == 16 ? BRW_VERTICAL_STRIDE_16 : BRW_VERTICAL_STRIDE_8,
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dw == 16 ? BRW_WIDTH_16 : BRW_WIDTH_8,
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BRW_HORIZONTAL_STRIDE_1,
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BRW_SWIZZLE_XYZW,
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WRITEMASK_XYZW);
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}
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static int brw_wm_sample(struct brw_compile *p, int dw,
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int channel, int msg, int result)
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{
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struct brw_reg src0;
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bool header;
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int len;
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len = dw == 16 ? 4 : 2;
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if (p->gen >= 060) {
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header = false;
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src0 = brw_message_reg(++msg);
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} else {
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header = true;
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src0 = brw_vec8_grf(0, 0);
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}
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brw_SAMPLE(p, sample_result(dw, result), msg, src0,
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channel+1, channel, WRITEMASK_XYZW, 0,
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2*len, len+header, header, simd(dw));
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return result;
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}
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static int brw_wm_sample__alpha(struct brw_compile *p, int dw,
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int channel, int msg, int result)
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{
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struct brw_reg src0;
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int mlen, rlen;
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if (dw == 8) {
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/* SIMD8 sample return is not masked */
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mlen = 3;
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rlen = 4;
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} else {
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mlen = 5;
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rlen = 2;
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}
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if (p->gen >= 060)
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src0 = brw_message_reg(msg);
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else
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src0 = brw_vec8_grf(0, 0);
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brw_SAMPLE(p, sample_result(dw, result), msg, src0,
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channel+1, channel, WRITEMASK_W, 0,
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rlen, mlen, true, simd(dw));
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if (dw == 8)
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result += 3;
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return result;
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}
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static int brw_wm_affine(struct brw_compile *p, int dw,
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int channel, int msg, int result)
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{
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brw_wm_affine_st(p, dw, channel, msg);
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return brw_wm_sample(p, dw, channel, msg, result);
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}
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static int brw_wm_affine__alpha(struct brw_compile *p, int dw,
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int channel, int msg, int result)
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{
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brw_wm_affine_st(p, dw, channel, msg);
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return brw_wm_sample__alpha(p, dw, channel, msg, result);
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}
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static inline struct brw_reg null_result(int dw)
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{
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return brw_reg(BRW_ARCHITECTURE_REGISTER_FILE, BRW_ARF_NULL, 0,
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BRW_REGISTER_TYPE_UW,
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dw == 16 ? BRW_VERTICAL_STRIDE_16 : BRW_VERTICAL_STRIDE_8,
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dw == 16 ? BRW_WIDTH_16 : BRW_WIDTH_8,
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BRW_HORIZONTAL_STRIDE_1,
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BRW_SWIZZLE_XYZW,
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WRITEMASK_XYZW);
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}
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static void brw_fb_write(struct brw_compile *p, int dw)
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{
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struct brw_instruction *insn;
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unsigned msg_control, msg_type, msg_len;
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struct brw_reg src0;
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bool header;
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if (dw == 16) {
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brw_set_compression_control(p, BRW_COMPRESSION_COMPRESSED);
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msg_control = BRW_DATAPORT_RENDER_TARGET_WRITE_SIMD16_SINGLE_SOURCE;
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msg_len = 8;
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} else {
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brw_set_compression_control(p, BRW_COMPRESSION_NONE);
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msg_control = BRW_DATAPORT_RENDER_TARGET_WRITE_SIMD8_SINGLE_SOURCE_SUBSPAN01;
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msg_len = 4;
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}
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if (p->gen < 060) {
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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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brw_set_mask_control(p, BRW_MASK_DISABLE);
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brw_MOV(p, brw_message_reg(1), brw_vec8_grf(1, 0));
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brw_pop_insn_state(p);
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msg_len += 2;
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}
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/* The execution mask is ignored for render target writes. */
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insn = brw_next_insn(p, BRW_OPCODE_SEND);
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insn->header.predicate_control = 0;
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insn->header.compression_control = BRW_COMPRESSION_NONE;
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if (p->gen >= 060) {
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msg_type = GEN6_DATAPORT_WRITE_MESSAGE_RENDER_TARGET_WRITE;
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src0 = brw_message_reg(2);
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header = false;
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} else {
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insn->header.destreg__conditionalmod = 0;
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msg_type = BRW_DATAPORT_WRITE_MESSAGE_RENDER_TARGET_WRITE;
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src0 = __retype_uw(brw_vec8_grf(0, 0));
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header = true;
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}
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brw_set_dest(p, insn, null_result(dw));
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brw_set_src0(p, insn, src0);
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brw_set_dp_write_message(p, insn, 0,
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msg_control, msg_type, msg_len,
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header, true, 0, true, false);
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}
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static void brw_wm_write(struct brw_compile *p, int dw, int src)
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{
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int n;
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if (dw == 8 && p->gen >= 060) {
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/* XXX pixel execution mask? */
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brw_set_compression_control(p, BRW_COMPRESSION_NONE);
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brw_MOV(p, brw_message_reg(2), brw_vec8_grf(src+0, 0));
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brw_MOV(p, brw_message_reg(3), brw_vec8_grf(src+1, 0));
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brw_MOV(p, brw_message_reg(4), brw_vec8_grf(src+2, 0));
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brw_MOV(p, brw_message_reg(5), brw_vec8_grf(src+3, 0));
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goto done;
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}
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brw_set_compression_control(p, BRW_COMPRESSION_COMPRESSED);
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for (n = 0; n < 4; n++) {
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if (p->gen >= 060) {
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brw_MOV(p,
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brw_message_reg(2 + 2*n),
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brw_vec8_grf(src + 2*n, 0));
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} else if (p->gen >= 045 && dw == 16) {
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brw_MOV(p,
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brw_message_reg(2 + n + BRW_MRF_COMPR4),
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brw_vec8_grf(src + 2*n, 0));
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} else {
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brw_set_compression_control(p, BRW_COMPRESSION_NONE);
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brw_MOV(p,
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brw_message_reg(2 + n),
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brw_vec8_grf(src + 2*n, 0));
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if (dw == 16) {
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brw_set_compression_control(p, BRW_COMPRESSION_2NDHALF);
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brw_MOV(p,
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brw_message_reg(2 + n + 4),
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brw_vec8_grf(src + 2*n+1, 0));
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}
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}
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}
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done:
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brw_fb_write(p, dw);
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}
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static void brw_wm_write__mask(struct brw_compile *p, int dw,
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int src, int mask)
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{
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int n;
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if (dw == 8 && p->gen >= 060) {
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brw_set_compression_control(p, BRW_COMPRESSION_NONE);
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brw_MUL(p,
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brw_message_reg(2),
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brw_vec8_grf(src+0, 0),
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brw_vec8_grf(mask, 0));
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brw_MUL(p,
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brw_message_reg(3),
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brw_vec8_grf(src+1, 0),
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brw_vec8_grf(mask, 0));
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brw_MUL(p,
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brw_message_reg(4),
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brw_vec8_grf(src+2, 0),
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brw_vec8_grf(mask, 0));
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brw_MUL(p,
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brw_message_reg(5),
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brw_vec8_grf(src+3, 0),
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brw_vec8_grf(mask, 0));
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goto done;
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}
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brw_set_compression_control(p, BRW_COMPRESSION_COMPRESSED);
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for (n = 0; n < 4; n++) {
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if (p->gen >= 060) {
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brw_MUL(p,
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brw_message_reg(2 + 2*n),
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brw_vec8_grf(src + 2*n, 0),
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brw_vec8_grf(mask, 0));
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} else if (p->gen >= 045 && dw == 16) {
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brw_MUL(p,
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brw_message_reg(2 + n + BRW_MRF_COMPR4),
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brw_vec8_grf(src + 2*n, 0),
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brw_vec8_grf(mask, 0));
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} else {
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brw_set_compression_control(p, BRW_COMPRESSION_NONE);
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brw_MUL(p,
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brw_message_reg(2 + n),
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brw_vec8_grf(src + 2*n, 0),
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brw_vec8_grf(mask, 0));
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if (dw == 16) {
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brw_set_compression_control(p, BRW_COMPRESSION_2NDHALF);
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brw_MUL(p,
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brw_message_reg(2 + n + 4),
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brw_vec8_grf(src + 2*n+1, 0),
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brw_vec8_grf(mask+1, 0));
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}
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}
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}
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done:
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brw_fb_write(p, dw);
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}
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static void brw_wm_write__opacity(struct brw_compile *p, int dw,
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int src, int mask)
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{
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int n;
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if (dw == 8 && p->gen >= 060) {
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brw_set_compression_control(p, BRW_COMPRESSION_NONE);
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brw_MUL(p,
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brw_message_reg(2),
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brw_vec8_grf(src+0, 0),
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brw_vec1_grf(mask, 3));
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brw_MUL(p,
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brw_message_reg(3),
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brw_vec8_grf(src+1, 0),
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brw_vec1_grf(mask, 3));
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brw_MUL(p,
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brw_message_reg(4),
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brw_vec8_grf(src+2, 0),
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brw_vec1_grf(mask, 3));
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brw_MUL(p,
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brw_message_reg(5),
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brw_vec8_grf(src+3, 0),
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brw_vec1_grf(mask, 3));
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goto done;
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}
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brw_set_compression_control(p, BRW_COMPRESSION_COMPRESSED);
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for (n = 0; n < 4; n++) {
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if (p->gen >= 060) {
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brw_MUL(p,
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brw_message_reg(2 + 2*n),
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brw_vec8_grf(src + 2*n, 0),
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brw_vec1_grf(mask, 3));
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} else if (p->gen >= 045 && dw == 16) {
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brw_MUL(p,
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brw_message_reg(2 + n + BRW_MRF_COMPR4),
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brw_vec8_grf(src + 2*n, 0),
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brw_vec1_grf(mask, 3));
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} else {
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brw_set_compression_control(p, BRW_COMPRESSION_NONE);
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brw_MUL(p,
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brw_message_reg(2 + n),
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brw_vec8_grf(src + 2*n, 0),
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brw_vec1_grf(mask, 3));
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if (dw == 16) {
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brw_set_compression_control(p, BRW_COMPRESSION_2NDHALF);
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brw_MUL(p,
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brw_message_reg(2 + n + 4),
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brw_vec8_grf(src + 2*n+1, 0),
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brw_vec1_grf(mask, 3));
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}
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}
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}
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done:
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brw_fb_write(p, dw);
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}
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static void brw_wm_write__mask_ca(struct brw_compile *p, int dw,
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int src, int mask)
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{
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int n;
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if (dw == 8 && p->gen >= 060) {
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brw_set_compression_control(p, BRW_COMPRESSION_NONE);
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brw_MUL(p,
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brw_message_reg(2),
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brw_vec8_grf(src + 0, 0),
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brw_vec8_grf(mask + 0, 0));
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brw_MUL(p,
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brw_message_reg(3),
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brw_vec8_grf(src + 1, 0),
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brw_vec8_grf(mask + 1, 0));
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brw_MUL(p,
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brw_message_reg(4),
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brw_vec8_grf(src + 2, 0),
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brw_vec8_grf(mask + 2, 0));
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brw_MUL(p,
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brw_message_reg(5),
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brw_vec8_grf(src + 3, 0),
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brw_vec8_grf(mask + 3, 0));
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goto done;
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}
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brw_set_compression_control(p, BRW_COMPRESSION_COMPRESSED);
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for (n = 0; n < 4; n++) {
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if (p->gen >= 060) {
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brw_MUL(p,
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brw_message_reg(2 + 2*n),
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brw_vec8_grf(src + 2*n, 0),
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brw_vec8_grf(mask + 2*n, 0));
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} else if (p->gen >= 045 && dw == 16) {
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brw_MUL(p,
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brw_message_reg(2 + n + BRW_MRF_COMPR4),
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brw_vec8_grf(src + 2*n, 0),
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brw_vec8_grf(mask + 2*n, 0));
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} else {
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brw_set_compression_control(p, BRW_COMPRESSION_NONE);
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brw_MUL(p,
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brw_message_reg(2 + n),
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brw_vec8_grf(src + 2*n, 0),
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brw_vec8_grf(mask + 2*n, 0));
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if (dw == 16) {
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brw_set_compression_control(p, BRW_COMPRESSION_2NDHALF);
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brw_MUL(p,
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brw_message_reg(2 + n + 4),
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brw_vec8_grf(src + 2*n + 1, 0),
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brw_vec8_grf(mask + 2*n + 1, 0));
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}
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}
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}
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done:
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brw_fb_write(p, dw);
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}
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bool
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brw_wm_kernel__affine(struct brw_compile *p, int dispatch)
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{
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if (p->gen < 060)
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brw_wm_xy(p, dispatch);
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brw_wm_write(p, dispatch, brw_wm_affine(p, dispatch, 0, 1, 12));
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return true;
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}
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bool
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brw_wm_kernel__affine_mask(struct brw_compile *p, int dispatch)
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{
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int src, mask;
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if (p->gen < 060)
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brw_wm_xy(p, dispatch);
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src = brw_wm_affine(p, dispatch, 0, 1, 12);
|
|
mask = brw_wm_affine__alpha(p, dispatch, 1, 6, 20);
|
|
brw_wm_write__mask(p, dispatch, src, mask);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
brw_wm_kernel__affine_mask_ca(struct brw_compile *p, int dispatch)
|
|
{
|
|
int src, mask;
|
|
|
|
if (p->gen < 060)
|
|
brw_wm_xy(p, dispatch);
|
|
|
|
src = brw_wm_affine(p, dispatch, 0, 1, 12);
|
|
mask = brw_wm_affine(p, dispatch, 1, 6, 20);
|
|
brw_wm_write__mask_ca(p, dispatch, src, mask);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
brw_wm_kernel__affine_mask_sa(struct brw_compile *p, int dispatch)
|
|
{
|
|
int src, mask;
|
|
|
|
if (p->gen < 060)
|
|
brw_wm_xy(p, dispatch);
|
|
|
|
src = brw_wm_affine__alpha(p, dispatch, 0, 1, 12);
|
|
mask = brw_wm_affine(p, dispatch, 1, 6, 16);
|
|
brw_wm_write__mask(p, dispatch, mask, src);
|
|
|
|
return true;
|
|
}
|
|
|
|
/* Projective variants */
|
|
|
|
static void brw_wm_projective_st(struct brw_compile *p, int dw,
|
|
int channel, int msg)
|
|
{
|
|
int uv;
|
|
|
|
if (dw == 16) {
|
|
brw_set_compression_control(p, BRW_COMPRESSION_COMPRESSED);
|
|
uv = p->gen >= 060 ? 6 : 3;
|
|
} else {
|
|
brw_set_compression_control(p, BRW_COMPRESSION_NONE);
|
|
uv = p->gen >= 060 ? 4 : 3;
|
|
}
|
|
uv += 2*channel;
|
|
|
|
msg++;
|
|
if (p->gen >= 060) {
|
|
/* First compute 1/z */
|
|
brw_PLN(p,
|
|
brw_message_reg(msg),
|
|
brw_vec1_grf(uv+1, 0),
|
|
brw_vec8_grf(2, 0));
|
|
|
|
if (dw == 16) {
|
|
brw_set_compression_control(p, BRW_COMPRESSION_NONE);
|
|
brw_math_invert(p, brw_vec8_grf(30, 0), brw_vec8_grf(30, 0));
|
|
brw_math_invert(p, brw_vec8_grf(31, 0), brw_vec8_grf(31, 0));
|
|
brw_set_compression_control(p, BRW_COMPRESSION_COMPRESSED);
|
|
} else
|
|
brw_math_invert(p, brw_vec8_grf(30, 0), brw_vec8_grf(30, 0));
|
|
brw_PLN(p,
|
|
brw_vec8_grf(28, 0),
|
|
brw_vec1_grf(uv, 0),
|
|
brw_vec8_grf(2, 0));
|
|
brw_MUL(p,
|
|
brw_message_reg(msg),
|
|
brw_vec8_grf(28, 0),
|
|
brw_vec8_grf(30, 0));
|
|
msg += dw/8;
|
|
|
|
brw_PLN(p,
|
|
brw_vec8_grf(28, 0),
|
|
brw_vec1_grf(uv, 0),
|
|
brw_vec8_grf(4, 0));
|
|
brw_MUL(p,
|
|
brw_message_reg(msg),
|
|
brw_vec8_grf(28, 0),
|
|
brw_vec8_grf(30, 0));
|
|
} else {
|
|
struct brw_reg r = brw_vec1_grf(uv, 0);
|
|
|
|
/* First compute 1/z */
|
|
brw_LINE(p, brw_null_reg(), brw_vec1_grf(uv+1, 0), brw_vec8_grf(X16, 0));
|
|
brw_MAC(p, brw_vec8_grf(30, 0), brw_vec1_grf(uv+1, 1), brw_vec8_grf(Y16, 0));
|
|
|
|
if (dw == 16) {
|
|
brw_set_compression_control(p, BRW_COMPRESSION_NONE);
|
|
brw_math_invert(p, brw_vec8_grf(30, 0), brw_vec8_grf(30, 0));
|
|
brw_math_invert(p, brw_vec8_grf(31, 0), brw_vec8_grf(31, 0));
|
|
brw_set_compression_control(p, BRW_COMPRESSION_COMPRESSED);
|
|
} else
|
|
brw_math_invert(p, brw_vec8_grf(30, 0), brw_vec8_grf(30, 0));
|
|
|
|
/* Now compute the output s,t values */
|
|
brw_LINE(p, brw_null_reg(), __suboffset(r, 0), brw_vec8_grf(X16, 0));
|
|
brw_MAC(p, brw_vec8_grf(28, 0), __suboffset(r, 1), brw_vec8_grf(Y16, 0));
|
|
brw_MUL(p, brw_message_reg(msg), brw_vec8_grf(28, 0), brw_vec8_grf(30, 0));
|
|
msg += dw/8;
|
|
|
|
brw_LINE(p, brw_null_reg(), __suboffset(r, 4), brw_vec8_grf(X16, 0));
|
|
brw_MAC(p, brw_vec8_grf(28, 0), __suboffset(r, 5), brw_vec8_grf(Y16, 0));
|
|
brw_MUL(p, brw_message_reg(msg), brw_vec8_grf(28, 0), brw_vec8_grf(30, 0));
|
|
}
|
|
}
|
|
|
|
static int brw_wm_projective(struct brw_compile *p, int dw,
|
|
int channel, int msg, int result)
|
|
{
|
|
brw_wm_projective_st(p, dw, channel, msg);
|
|
return brw_wm_sample(p, dw, channel, msg, result);
|
|
}
|
|
|
|
static int brw_wm_projective__alpha(struct brw_compile *p, int dw,
|
|
int channel, int msg, int result)
|
|
{
|
|
brw_wm_projective_st(p, dw, channel, msg);
|
|
return brw_wm_sample__alpha(p, dw, channel, msg, result);
|
|
}
|
|
|
|
bool
|
|
brw_wm_kernel__projective(struct brw_compile *p, int dispatch)
|
|
{
|
|
if (p->gen < 060)
|
|
brw_wm_xy(p, dispatch);
|
|
brw_wm_write(p, dispatch, brw_wm_projective(p, dispatch, 0, 1, 12));
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
brw_wm_kernel__projective_mask(struct brw_compile *p, int dispatch)
|
|
{
|
|
int src, mask;
|
|
|
|
if (p->gen < 060)
|
|
brw_wm_xy(p, dispatch);
|
|
|
|
src = brw_wm_projective(p, dispatch, 0, 1, 12);
|
|
mask = brw_wm_projective__alpha(p, dispatch, 1, 6, 20);
|
|
brw_wm_write__mask(p, dispatch, src, mask);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
brw_wm_kernel__projective_mask_ca(struct brw_compile *p, int dispatch)
|
|
{
|
|
int src, mask;
|
|
|
|
if (p->gen < 060)
|
|
brw_wm_xy(p, dispatch);
|
|
|
|
src = brw_wm_projective(p, dispatch, 0, 1, 12);
|
|
mask = brw_wm_projective(p, dispatch, 1, 6, 20);
|
|
brw_wm_write__mask_ca(p, dispatch, src, mask);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
brw_wm_kernel__projective_mask_sa(struct brw_compile *p, int dispatch)
|
|
{
|
|
int src, mask;
|
|
|
|
if (p->gen < 060)
|
|
brw_wm_xy(p, dispatch);
|
|
|
|
src = brw_wm_projective__alpha(p, dispatch, 0, 1, 12);
|
|
mask = brw_wm_projective(p, dispatch, 1, 6, 16);
|
|
brw_wm_write__mask(p, dispatch, mask, src);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
brw_wm_kernel__affine_opacity(struct brw_compile *p, int dispatch)
|
|
{
|
|
int src, mask;
|
|
|
|
if (p->gen < 060) {
|
|
brw_wm_xy(p, dispatch);
|
|
mask = 5;
|
|
} else
|
|
mask = dispatch == 16 ? 8 : 6;
|
|
|
|
src = brw_wm_affine(p, dispatch, 0, 1, 12);
|
|
brw_wm_write__opacity(p, dispatch, src, mask);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool
|
|
brw_wm_kernel__projective_opacity(struct brw_compile *p, int dispatch)
|
|
{
|
|
int src, mask;
|
|
|
|
if (p->gen < 060) {
|
|
brw_wm_xy(p, dispatch);
|
|
mask = 5;
|
|
} else
|
|
mask = dispatch == 16 ? 8 : 6;
|
|
|
|
src = brw_wm_projective(p, dispatch, 0, 1, 12);
|
|
brw_wm_write__opacity(p, dispatch, src, mask);
|
|
|
|
return true;
|
|
}
|