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authorIlia Mirkin <[email protected]>2014-09-24 17:42:03 -0400
committerRob Clark <[email protected]>2014-10-02 23:30:47 -0400
commit33c9ad97bf25271fcb034bc6054b74fff8a552fb (patch)
treea29e742af093a1c9253bcaa10129de3ae164c24d /src/gallium/drivers/freedreno
parente6acf3ac2445bbc15ab33001077343ac8b486b5b (diff)
freedreno/ir3: add TXF support
Still failing a bunch of the fairly picky texelFetch tests, but the 1D(Array) ones are full passes. Signed-off-by: Ilia Mirkin <[email protected]>
Diffstat (limited to 'src/gallium/drivers/freedreno')
-rw-r--r--src/gallium/drivers/freedreno/ir3/ir3_compiler.c40
1 files changed, 39 insertions, 1 deletions
diff --git a/src/gallium/drivers/freedreno/ir3/ir3_compiler.c b/src/gallium/drivers/freedreno/ir3/ir3_compiler.c
index c65763e0595..66f78a80f6d 100644
--- a/src/gallium/drivers/freedreno/ir3/ir3_compiler.c
+++ b/src/gallium/drivers/freedreno/ir3/ir3_compiler.c
@@ -1146,6 +1146,7 @@ fill_tex_info(struct ir3_compile_context *ctx,
case TGSI_OPCODE_TXB:
case TGSI_OPCODE_TXB2:
case TGSI_OPCODE_TXL:
+ case TGSI_OPCODE_TXF:
info->args = 2;
break;
case TGSI_OPCODE_TXP:
@@ -1250,11 +1251,16 @@ get_tex_coord(struct ir3_compile_context *ctx,
/* fix up .y coord: */
if (is_1d(tex)) {
+ struct ir3_register *imm;
instr = instr_create(ctx, 1, 0); /* mov */
instr->cat1.src_type = type_mov;
instr->cat1.dst_type = type_mov;
add_dst_reg(ctx, instr, &tmp_dst, 1); /* .y */
- ir3_reg_create(instr, 0, IR3_REG_IMMED)->fim_val = 0.5;
+ imm = ir3_reg_create(instr, 0, IR3_REG_IMMED);
+ if (inst->Instruction.Opcode == TGSI_OPCODE_TXF)
+ imm->iim_val = 0;
+ else
+ imm->fim_val = 0.5;
}
coord = tmp_src;
@@ -1305,6 +1311,37 @@ trans_samp(const struct instr_translater *t,
if (tinf.args > 1 && is_rel_or_const(orig))
orig = get_unconst(ctx, orig);
+ /* scale up integer coords for TXF based on the LOD */
+ if (inst->Instruction.Opcode == TGSI_OPCODE_TXF) {
+ struct tgsi_dst_register tmp_dst;
+ struct tgsi_src_register *tmp_src;
+ type_t type_mov = get_utype(ctx);
+
+ tmp_src = get_internal_temp(ctx, &tmp_dst);
+ for (i = 0; i < tgt->dims; i++) {
+ instr = instr_create(ctx, 2, OPC_SHL_B);
+ add_dst_reg(ctx, instr, &tmp_dst, i);
+ add_src_reg(ctx, instr, coord, src_swiz(coord, i));
+ add_src_reg(ctx, instr, orig, orig->SwizzleW);
+ }
+ if (tgt->dims < 2) {
+ instr = instr_create(ctx, 1, 0);
+ instr->cat1.src_type = type_mov;
+ instr->cat1.dst_type = type_mov;
+ add_dst_reg(ctx, instr, &tmp_dst, i);
+ add_src_reg(ctx, instr, &zero, 0);
+ i++;
+ }
+ if (tgt->array) {
+ instr = instr_create(ctx, 1, 0);
+ instr->cat1.src_type = type_mov;
+ instr->cat1.dst_type = type_mov;
+ add_dst_reg(ctx, instr, &tmp_dst, i);
+ add_src_reg(ctx, instr, coord, src_swiz(coord, i));
+ }
+ coord = tmp_src;
+ }
+
if (inst->Texture.NumOffsets) {
struct tgsi_texture_offset *tex_offset = &inst->TexOffsets[0];
struct tgsi_src_register offset_src = {0};
@@ -2530,6 +2567,7 @@ static const struct instr_translater translaters[TGSI_OPCODE_LAST] = {
INSTR(TXB2, trans_samp, .opc = OPC_SAMB, .arg = TGSI_OPCODE_TXB2),
INSTR(TXL, trans_samp, .opc = OPC_SAML, .arg = TGSI_OPCODE_TXL),
INSTR(TXD, trans_samp, .opc = OPC_SAMGQ, .arg = TGSI_OPCODE_TXD),
+ INSTR(TXF, trans_samp, .opc = OPC_ISAML, .arg = TGSI_OPCODE_TXF),
INSTR(TXQ, trans_txq),
INSTR(DDX, trans_deriv, .opc = OPC_DSX),
INSTR(DDY, trans_deriv, .opc = OPC_DSY),