i965/vec4: Change vec4_visitor::emit_mcs_fetch() method to allow reuse

This patch changes the signature of emit_mcs_fetch() to accept lower level
arguments. The purpose is to reuse it in the upcoming NIR->vec4 pass.

Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
This commit is contained in:
Eduardo Lima Mitev 2015-06-18 11:31:54 +02:00 committed by Jason Ekstrand
parent 434481f315
commit 72c8d7721f
2 changed files with 8 additions and 6 deletions

View File

@ -334,7 +334,8 @@ public:
void emit_pack_snorm_4x8(const dst_reg &dst, const src_reg &src0);
uint32_t gather_channel(ir_texture *ir, uint32_t sampler);
src_reg emit_mcs_fetch(ir_texture *ir, src_reg coordinate, src_reg sampler);
src_reg emit_mcs_fetch(const glsl_type *coordinate_type, src_reg coordinate,
src_reg sampler);
void emit_gen6_gather_wa(uint8_t wa, dst_reg dst);
void swizzle_result(ir_texture *ir, src_reg orig_val, uint32_t sampler);

View File

@ -2469,7 +2469,8 @@ vec4_visitor::visit(ir_call *ir)
}
src_reg
vec4_visitor::emit_mcs_fetch(ir_texture *ir, src_reg coordinate, src_reg sampler)
vec4_visitor::emit_mcs_fetch(const glsl_type *coordinate_type,
src_reg coordinate, src_reg sampler)
{
vec4_instruction *inst =
new(mem_ctx) vec4_instruction(SHADER_OPCODE_TXF_MCS,
@ -2496,13 +2497,13 @@ vec4_visitor::emit_mcs_fetch(ir_texture *ir, src_reg coordinate, src_reg sampler
}
/* parameters are: u, v, r, lod; lod will always be zero due to api restrictions */
int coord_mask = (1 << ir->coordinate->type->vector_elements) - 1;
int coord_mask = (1 << coordinate_type->vector_elements) - 1;
int zero_mask = 0xf & ~coord_mask;
emit(MOV(dst_reg(MRF, param_base, ir->coordinate->type, coord_mask),
emit(MOV(dst_reg(MRF, param_base, coordinate_type, coord_mask),
coordinate));
emit(MOV(dst_reg(MRF, param_base, ir->coordinate->type, zero_mask),
emit(MOV(dst_reg(MRF, param_base, coordinate_type, zero_mask),
src_reg(0)));
emit(inst);
@ -2625,7 +2626,7 @@ vec4_visitor::visit(ir_texture *ir)
sample_index_type = ir->lod_info.sample_index->type;
if (devinfo->gen >= 7 && key->tex.compressed_multisample_layout_mask & (1<<sampler))
mcs = emit_mcs_fetch(ir, coordinate, sampler_reg);
mcs = emit_mcs_fetch(ir->coordinate->type, coordinate, sampler_reg);
else
mcs = src_reg(0u);
break;