ac/nir: set cache policy when loading/storing buffer images
authorSamuel Pitoiset <samuel.pitoiset@gmail.com>
Mon, 29 Oct 2018 15:31:07 +0000 (16:31 +0100)
committerSamuel Pitoiset <samuel.pitoiset@gmail.com>
Mon, 14 Jan 2019 16:59:51 +0000 (17:59 +0100)
This was missing.

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
src/amd/common/ac_nir_to_llvm.c

index 78e803330c0a6ca973d746b8a3c18ed80baa25f0..62ee9259836a5b6ec96fea9ab1118d90adaf7a80 100644 (file)
@@ -2355,9 +2355,12 @@ static LLVMValueRef visit_image_load(struct ac_nir_context *ctx,
        LLVMValueRef res;
        const nir_variable *var = get_image_variable(instr);
        const struct glsl_type *type = var->type;
+       struct ac_image_args args = {};
 
        type = glsl_without_array(type);
 
+       args.cache_policy = get_cache_policy(ctx, var->data.image.access, false);
+
        const enum glsl_sampler_dim dim = glsl_get_sampler_dim(type);
        if (dim == GLSL_SAMPLER_DIM_BUF) {
                unsigned mask = nir_ssa_def_components_read(&instr->dest.ssa);
@@ -2368,16 +2371,16 @@ static LLVMValueRef visit_image_load(struct ac_nir_context *ctx,
                vindex = LLVMBuildExtractElement(ctx->ac.builder, get_src(ctx, instr->src[1]),
                                                 ctx->ac.i32_0, "");
 
-               /* TODO: set "glc" and "can_speculate" when OpenGL needs it. */
+               /* TODO: set "can_speculate" when OpenGL needs it. */
                res = ac_build_buffer_load_format(&ctx->ac, rsrc, vindex,
                                                  ctx->ac.i32_0, num_channels,
-                                                 false, false);
+                                                 !!(args.cache_policy & ac_glc),
+                                                 false);
                res = ac_build_expand_to_vec4(&ctx->ac, res, num_channels);
 
                res = ac_trim_vector(&ctx->ac, res, instr->dest.ssa.num_components);
                res = ac_to_integer(&ctx->ac, res);
        } else {
-               struct ac_image_args args = {};
                args.opcode = ac_image_load;
                get_image_coords(ctx, instr, &args);
                args.resource = get_image_descriptor(ctx, instr, AC_DESC_IMAGE, false);
@@ -2385,8 +2388,6 @@ static LLVMValueRef visit_image_load(struct ac_nir_context *ctx,
                                            glsl_sampler_type_is_array(type));
                args.dmask = 15;
                args.attributes = AC_FUNC_ATTR_READONLY;
-               args.cache_policy =
-                       get_cache_policy(ctx, var->data.image.access, false);
 
                res = ac_build_image_opcode(&ctx->ac, &args);
        }
@@ -2400,10 +2401,9 @@ static void visit_image_store(struct ac_nir_context *ctx,
        const nir_variable *var = get_image_variable(instr);
        const struct glsl_type *type = glsl_without_array(var->type);
        const enum glsl_sampler_dim dim = glsl_get_sampler_dim(type);
-       LLVMValueRef glc = ctx->ac.i1false;
-       bool force_glc = ctx->ac.chip_class == SI;
-       if (force_glc)
-               glc = ctx->ac.i1true;
+       struct ac_image_args args = {};
+
+       args.cache_policy = get_cache_policy(ctx, var->data.image.access, true);
 
        if (dim == GLSL_SAMPLER_DIM_BUF) {
                char name[48];
@@ -2427,14 +2427,13 @@ static void visit_image_store(struct ac_nir_context *ctx,
 
                if (HAVE_LLVM >= 0x800) {
                        params[4] = ctx->ac.i32_0; /* soffset */
-                       params[5] = glc ? ctx->ac.i32_1 : ctx->ac.i32_0;
+                       params[5] = (args.cache_policy & ac_glc) ? ctx->ac.i32_1 : ctx->ac.i32_0;
                } else {
-                       params[4] = glc;  /* glc */
+                       params[4] = LLVMConstInt(ctx->ac.i1, !!(args.cache_policy & ac_glc), 0);
                        params[5] = ctx->ac.i1false;  /* slc */
                }
                ac_build_intrinsic(&ctx->ac, name, ctx->ac.voidt, params, 6, 0);
        } else {
-               struct ac_image_args args = {};
                args.opcode = ac_image_store;
                args.data[0] = ac_to_float(&ctx->ac, get_src(ctx, instr->src[3]));
                get_image_coords(ctx, instr, &args);
@@ -2442,8 +2441,6 @@ static void visit_image_store(struct ac_nir_context *ctx,
                args.dim = get_ac_image_dim(&ctx->ac, glsl_get_sampler_dim(type),
                                            glsl_sampler_type_is_array(type));
                args.dmask = 15;
-               args.cache_policy =
-                       get_cache_policy(ctx, var->data.image.access, true);
 
                ac_build_image_opcode(&ctx->ac, &args);
        }