From d2f84d541e5842cd0df3df18e672101a17f9b1a1 Mon Sep 17 00:00:00 2001 From: Samuel Pitoiset Date: Wed, 19 Apr 2017 15:57:56 +0200 Subject: [PATCH] st/glsl_to_tgsi: add support for bindless samplers MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Samuel Pitoiset Reviewed-by: Nicolai Hähnle Reviewed-by: Marek Olšák --- src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 23 +++++++++++++++++----- 1 file changed, 18 insertions(+), 5 deletions(-) diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp index f1e8ec5ead2..5131c342445 100644 --- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp +++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp @@ -4161,6 +4161,7 @@ glsl_to_tgsi_visitor::visit(ir_texture *ir) const glsl_type *sampler_type = ir->sampler->type; unsigned sampler_array_size = 1, sampler_base = 0; bool is_cube_array = false, is_cube_shadow = false; + ir_variable *var = ir->sampler->variable_referenced(); unsigned i; /* if we are a cube array sampler or a cube shadow */ @@ -4394,7 +4395,7 @@ glsl_to_tgsi_visitor::visit(ir_texture *ir) uint16_t index = 0; get_deref_offsets(ir->sampler, &sampler_array_size, &sampler_base, - &index, &reladdr, true); + &index, &reladdr, !var->contains_bindless()); sampler.index = index; if (reladdr.file != PROGRAM_UNDEFINED) { @@ -4432,9 +4433,16 @@ glsl_to_tgsi_visitor::visit(ir_texture *ir) if (ir->shadow_comparator) inst->tex_shadow = GL_TRUE; - inst->resource = sampler; - inst->sampler_array_size = sampler_array_size; - inst->sampler_base = sampler_base; + if (var->contains_bindless()) { + ir->sampler->accept(this); + inst->resource = this->result; + inst->resource.swizzle = MAKE_SWIZZLE4(SWIZZLE_X, SWIZZLE_Y, + SWIZZLE_X, SWIZZLE_Y); + } else { + inst->resource = sampler; + inst->sampler_array_size = sampler_array_size; + inst->sampler_base = sampler_base; + } if (ir->offset) { if (!inst->tex_offsets) @@ -5871,7 +5879,12 @@ compile_tgsi_instruction(struct st_translate *t, case TGSI_OPCODE_TXL2: case TGSI_OPCODE_TG4: case TGSI_OPCODE_LODQ: - src[num_src] = t->samplers[inst->resource.index]; + if (inst->resource.file == PROGRAM_SAMPLER) { + src[num_src] = t->samplers[inst->resource.index]; + } else { + /* Bindless samplers. */ + src[num_src] = translate_src(t, &inst->resource); + } assert(src[num_src].File != TGSI_FILE_NULL); if (inst->resource.reladdr) src[num_src] = -- 2.30.2