nir_variable **inputs;
nir_variable **outputs;
nir_variable *samplers[PIPE_MAX_SAMPLERS];
+ nir_variable *images[PIPE_MAX_SHADER_IMAGES];
+ nir_variable *ssbo[PIPE_MAX_SHADER_BUFFERS];
nir_variable *input_var_face;
nir_variable *input_var_position;
c->addr_reg->num_components = 4;
} else if (file == TGSI_FILE_SYSTEM_VALUE) {
/* Nothing to record for system values. */
+ } else if (file == TGSI_FILE_BUFFER) {
+ /* Nothing to record for buffers. */
+ } else if (file == TGSI_FILE_IMAGE) {
+ /* Nothing to record for images. */
} else if (file == TGSI_FILE_SAMPLER) {
/* Nothing to record for samplers. */
} else if (file == TGSI_FILE_SAMPLER_VIEW) {
if (tgsi_src->File == TGSI_FILE_NULL) {
return nir_imm_float(b, 0.0);
- } else if (tgsi_src->File == TGSI_FILE_SAMPLER) {
- /* Only the index of the sampler gets used in texturing, and it will
+ } else if (tgsi_src->File == TGSI_FILE_SAMPLER ||
+ tgsi_src->File == TGSI_FILE_IMAGE ||
+ tgsi_src->File == TGSI_FILE_BUFFER) {
+ /* Only the index of the resource gets used in texturing, and it will
* handle looking that up on its own instead of using the nir_alu_src.
*/
assert(!tgsi_src->Indirect);
return var;
}
+static nir_variable *
+get_image_var(struct ttn_compile *c, int binding,
+ enum glsl_sampler_dim dim,
+ bool is_array,
+ enum glsl_base_type base_type,
+ enum gl_access_qualifier access,
+ GLenum format)
+{
+ nir_variable *var = c->images[binding];
+
+ if (!var) {
+ const struct glsl_type *type = glsl_image_type(dim, is_array, base_type);
+
+ var = nir_variable_create(c->build.shader, nir_var_uniform, type, "image");
+ var->data.binding = binding;
+ var->data.explicit_binding = true;
+ var->data.image.access = access;
+ var->data.image.format = format;
+ c->images[binding] = var;
+ }
+
+ return var;
+}
+
+static void
+add_ssbo_var(struct ttn_compile *c, int binding)
+{
+ nir_variable *var = c->ssbo[binding];
+
+ if (!var) {
+ /* A length of 0 is used to denote unsized arrays */
+ const struct glsl_type *type = glsl_array_type(glsl_uint_type(), 0, 0);
+
+ struct glsl_struct_field field = {
+ .type = type,
+ .name = "data",
+ .location = -1,
+ };
+
+ var = nir_variable_create(c->build.shader, nir_var_mem_ssbo, type, "ssbo");
+ var->data.binding = binding;
+ var->interface_type =
+ glsl_interface_type(&field, 1, GLSL_INTERFACE_PACKING_STD430,
+ false, "data");
+ c->ssbo[binding] = var;
+ }
+}
+
static void
ttn_tex(struct ttn_compile *c, nir_alu_dest dest, nir_ssa_def **src)
{
ttn_move_dest_masked(b, dest, &qlv->dest.ssa, TGSI_WRITEMASK_W);
}
+static enum glsl_base_type
+get_image_base_type(struct tgsi_full_instruction *tgsi_inst)
+{
+ const struct util_format_description *desc =
+ util_format_description(tgsi_inst->Memory.Format);
+
+ if (desc->channel[0].pure_integer) {
+ if (desc->channel[0].type == UTIL_FORMAT_TYPE_SIGNED)
+ return GLSL_TYPE_INT;
+ else
+ return GLSL_TYPE_UINT;
+ }
+ return GLSL_TYPE_FLOAT;
+}
+
+static enum gl_access_qualifier
+get_mem_qualifier(struct tgsi_full_instruction *tgsi_inst)
+{
+ enum gl_access_qualifier access = 0;
+
+ if (tgsi_inst->Memory.Qualifier & TGSI_MEMORY_COHERENT)
+ access |= ACCESS_COHERENT;
+ if (tgsi_inst->Memory.Qualifier & TGSI_MEMORY_RESTRICT)
+ access |= ACCESS_RESTRICT;
+ if (tgsi_inst->Memory.Qualifier & TGSI_MEMORY_VOLATILE)
+ access |= ACCESS_VOLATILE;
+ if (tgsi_inst->Memory.Qualifier & TGSI_MEMORY_STREAM_CACHE_POLICY)
+ access |= ACCESS_STREAM_CACHE_POLICY;
+
+ return access;
+}
+
+static GLenum
+get_image_format(struct tgsi_full_instruction *tgsi_inst)
+{
+ switch (tgsi_inst->Memory.Format) {
+ case PIPE_FORMAT_R8_UNORM:
+ return GL_R8;
+ case PIPE_FORMAT_R8G8_UNORM:
+ return GL_RG8;
+ case PIPE_FORMAT_R8G8B8A8_UNORM:
+ return GL_RGBA8;
+ case PIPE_FORMAT_R16_UNORM:
+ return GL_R16;
+ case PIPE_FORMAT_R16G16_UNORM:
+ return GL_RG16;
+ case PIPE_FORMAT_R16G16B16A16_UNORM:
+ return GL_RGBA16;
+
+ case PIPE_FORMAT_R8_SNORM:
+ return GL_R8_SNORM;
+ case PIPE_FORMAT_R8G8_SNORM:
+ return GL_RG8_SNORM;
+ case PIPE_FORMAT_R8G8B8A8_SNORM:
+ return GL_RGBA8_SNORM;
+ case PIPE_FORMAT_R16_SNORM:
+ return GL_R16_SNORM;
+ case PIPE_FORMAT_R16G16_SNORM:
+ return GL_RG16_SNORM;
+ case PIPE_FORMAT_R16G16B16A16_SNORM:
+ return GL_RGBA16_SNORM;
+
+ case PIPE_FORMAT_R8_UINT:
+ return GL_R8UI;
+ case PIPE_FORMAT_R8G8_UINT:
+ return GL_RG8UI;
+ case PIPE_FORMAT_R8G8B8A8_UINT:
+ return GL_RGBA8UI;
+ case PIPE_FORMAT_R16_UINT:
+ return GL_R16UI;
+ case PIPE_FORMAT_R16G16_UINT:
+ return GL_RG16UI;
+ case PIPE_FORMAT_R16G16B16A16_UINT:
+ return GL_RGBA16UI;
+ case PIPE_FORMAT_R32_UINT:
+ return GL_R32UI;
+ case PIPE_FORMAT_R32G32_UINT:
+ return GL_RG32UI;
+ case PIPE_FORMAT_R32G32B32A32_UINT:
+ return GL_RGBA32UI;
+
+ case PIPE_FORMAT_R8_SINT:
+ return GL_R8I;
+ case PIPE_FORMAT_R8G8_SINT:
+ return GL_RG8I;
+ case PIPE_FORMAT_R8G8B8A8_SINT:
+ return GL_RGBA8I;
+ case PIPE_FORMAT_R16_SINT:
+ return GL_R16I;
+ case PIPE_FORMAT_R16G16_SINT:
+ return GL_RG16I;
+ case PIPE_FORMAT_R16G16B16A16_SINT:
+ return GL_RGBA16I;
+ case PIPE_FORMAT_R32_SINT:
+ return GL_R32I;
+ case PIPE_FORMAT_R32G32_SINT:
+ return GL_RG32I;
+ case PIPE_FORMAT_R32G32B32A32_SINT:
+ return GL_RGBA32I;
+
+ case PIPE_FORMAT_R16_FLOAT:
+ return GL_R16F;
+ case PIPE_FORMAT_R16G16_FLOAT:
+ return GL_RG16F;
+ case PIPE_FORMAT_R16G16B16A16_FLOAT:
+ return GL_RGBA16F;
+ case PIPE_FORMAT_R32_FLOAT:
+ return GL_R32F;
+ case PIPE_FORMAT_R32G32_FLOAT:
+ return GL_RG32F;
+ case PIPE_FORMAT_R32G32B32A32_FLOAT:
+ return GL_RGBA32F;
+
+ case PIPE_FORMAT_R11G11B10_FLOAT:
+ return GL_R11F_G11F_B10F;
+ case PIPE_FORMAT_R10G10B10A2_UINT:
+ return GL_RGB10_A2UI;
+ case PIPE_FORMAT_R10G10B10A2_UNORM:
+ return GL_RGB10_A2;
+
+ default:
+ unreachable("unhandled image format");
+ }
+}
+
+static void
+ttn_mem(struct ttn_compile *c, nir_alu_dest dest, nir_ssa_def **src)
+{
+ nir_builder *b = &c->build;
+ struct tgsi_full_instruction *tgsi_inst = &c->token->FullInstruction;
+ nir_intrinsic_instr *instr = NULL;
+ unsigned resource_index, addr_src_index, file;
+
+ switch (tgsi_inst->Instruction.Opcode) {
+ case TGSI_OPCODE_LOAD:
+ assert(!tgsi_inst->Src[0].Register.Indirect);
+ resource_index = tgsi_inst->Src[0].Register.Index;
+ file = tgsi_inst->Src[0].Register.File;
+ addr_src_index = 1;
+ break;
+ case TGSI_OPCODE_STORE:
+ assert(!tgsi_inst->Dst[0].Register.Indirect);
+ resource_index = tgsi_inst->Dst[0].Register.Index;
+ file = tgsi_inst->Dst[0].Register.File;
+ addr_src_index = 0;
+ break;
+ default:
+ unreachable("unexpected memory opcode");
+ }
+
+ if (file == TGSI_FILE_BUFFER) {
+ nir_intrinsic_op op;
+
+ switch (tgsi_inst->Instruction.Opcode) {
+ case TGSI_OPCODE_LOAD:
+ op = nir_intrinsic_load_ssbo;
+ break;
+ case TGSI_OPCODE_STORE:
+ op = nir_intrinsic_store_ssbo;
+ break;
+ }
+
+ add_ssbo_var(c, resource_index);
+
+ instr = nir_intrinsic_instr_create(b->shader, op);
+ instr->num_components = util_last_bit(tgsi_inst->Dst[0].Register.WriteMask);
+ nir_intrinsic_set_access(instr, get_mem_qualifier(tgsi_inst));
+ nir_intrinsic_set_align(instr, 4, 0);
+
+ unsigned i = 0;
+ if (tgsi_inst->Instruction.Opcode == TGSI_OPCODE_STORE)
+ instr->src[i++] = nir_src_for_ssa(nir_swizzle(b, src[1], SWIZ(X, Y, Z, W),
+ instr->num_components));
+ instr->src[i++] = nir_src_for_ssa(nir_imm_int(b, resource_index));
+ instr->src[i++] = nir_src_for_ssa(ttn_channel(b, src[addr_src_index], X));
+
+ if (tgsi_inst->Instruction.Opcode == TGSI_OPCODE_STORE)
+ nir_intrinsic_set_write_mask(instr, tgsi_inst->Dst[0].Register.WriteMask);
+
+ } else if (file == TGSI_FILE_IMAGE) {
+ nir_intrinsic_op op;
+
+ switch (tgsi_inst->Instruction.Opcode) {
+ case TGSI_OPCODE_LOAD:
+ op = nir_intrinsic_image_deref_load;
+ break;
+ case TGSI_OPCODE_STORE:
+ op = nir_intrinsic_image_deref_store;
+ break;
+ }
+
+ instr = nir_intrinsic_instr_create(b->shader, op);
+
+ /* Set the image variable dereference. */
+ enum glsl_sampler_dim dim;
+ bool is_array;
+ get_texture_info(tgsi_inst->Memory.Texture, &dim, NULL, &is_array);
+
+ enum glsl_base_type base_type = get_image_base_type(tgsi_inst);
+ enum gl_access_qualifier access = get_mem_qualifier(tgsi_inst);
+ GLenum format = get_image_format(tgsi_inst);
+
+ nir_variable *image =
+ get_image_var(c, resource_index,
+ dim, is_array, base_type, access, format);
+ nir_deref_instr *image_deref = nir_build_deref_var(b, image);
+ const struct glsl_type *type = image_deref->type;
+ unsigned coord_components = glsl_get_sampler_coordinate_components(type);
+
+ nir_intrinsic_set_access(instr, image_deref->var->data.image.access);
+
+ instr->src[0] = nir_src_for_ssa(&image_deref->dest.ssa);
+ instr->src[1] = nir_src_for_ssa(nir_swizzle(b, src[addr_src_index],
+ SWIZ(X, Y, Z, W),
+ coord_components));
+
+ /* Set the sample argument, which is undefined for single-sample images. */
+ if (glsl_get_sampler_dim(type) == GLSL_SAMPLER_DIM_MS) {
+ instr->src[2] = nir_src_for_ssa(ttn_channel(b, src[addr_src_index], W));
+ } else {
+ instr->src[2] = nir_src_for_ssa(nir_ssa_undef(b, 1, 32));
+ }
+
+ if (tgsi_inst->Instruction.Opcode == TGSI_OPCODE_STORE) {
+ instr->src[3] = nir_src_for_ssa(nir_swizzle(b, src[1], SWIZ(X, Y, Z, W), 4));
+ }
+
+ instr->num_components = 4;
+ } else {
+ unreachable("unexpected file");
+ }
+
+
+ if (tgsi_inst->Instruction.Opcode == TGSI_OPCODE_LOAD) {
+ nir_ssa_dest_init(&instr->instr, &instr->dest,
+ util_last_bit(tgsi_inst->Dst[0].Register.WriteMask),
+ 32, NULL);
+ nir_builder_instr_insert(b, &instr->instr);
+ ttn_move_dest(b, dest, &instr->dest.ssa);
+ } else {
+ nir_builder_instr_insert(b, &instr->instr);
+ }
+}
+
static const nir_op op_trans[TGSI_OPCODE_LAST] = {
[TGSI_OPCODE_ARL] = 0,
[TGSI_OPCODE_MOV] = nir_op_mov,
[TGSI_OPCODE_IABS] = nir_op_iabs,
[TGSI_OPCODE_ISSG] = nir_op_isign,
+ [TGSI_OPCODE_LOAD] = 0,
+ [TGSI_OPCODE_STORE] = 0,
+
/* XXX: atomics */
[TGSI_OPCODE_TEX2] = 0,
ttn_txq(c, dest, src);
break;
+ case TGSI_OPCODE_LOAD:
+ case TGSI_OPCODE_STORE:
+ ttn_mem(c, dest, src);
+ break;
+
case TGSI_OPCODE_NOP:
break;