diff options
Diffstat (limited to 'src/compiler/glsl/ast_function.cpp')
| -rw-r--r-- | src/compiler/glsl/ast_function.cpp | 78 |
1 files changed, 71 insertions, 7 deletions
diff --git a/src/compiler/glsl/ast_function.cpp b/src/compiler/glsl/ast_function.cpp index dd08ed84319..2d156ae1da1 100644 --- a/src/compiler/glsl/ast_function.cpp +++ b/src/compiler/glsl/ast_function.cpp @@ -740,8 +740,8 @@ convert_component(ir_rvalue *src, const glsl_type *desired_type) if (src->type->is_error()) return src; - assert(a <= GLSL_TYPE_BOOL); - assert(b <= GLSL_TYPE_BOOL); + assert(a <= GLSL_TYPE_IMAGE); + assert(b <= GLSL_TYPE_IMAGE); if (a == b) return src; @@ -769,6 +769,12 @@ convert_component(ir_rvalue *src, const glsl_type *desired_type) case GLSL_TYPE_INT64: result = new(ctx) ir_expression(ir_unop_i642u, src); break; + case GLSL_TYPE_SAMPLER: + result = new(ctx) ir_expression(ir_unop_unpack_sampler_2x32, src); + break; + case GLSL_TYPE_IMAGE: + result = new(ctx) ir_expression(ir_unop_unpack_image_2x32, src); + break; } break; case GLSL_TYPE_INT: @@ -911,6 +917,22 @@ convert_component(ir_rvalue *src, const glsl_type *desired_type) break; } break; + case GLSL_TYPE_SAMPLER: + switch (b) { + case GLSL_TYPE_UINT: + result = new(ctx) + ir_expression(ir_unop_pack_sampler_2x32, desired_type, src); + break; + } + break; + case GLSL_TYPE_IMAGE: + switch (b) { + case GLSL_TYPE_UINT: + result = new(ctx) + ir_expression(ir_unop_pack_image_2x32, desired_type, src); + break; + } + break; } assert(result != NULL); @@ -1933,7 +1955,8 @@ ast_function_expression::handle_method(exec_list *instructions, static inline bool is_valid_constructor(const glsl_type *type, struct _mesa_glsl_parse_state *state) { - return type->is_numeric() || type->is_boolean(); + return type->is_numeric() || type->is_boolean() || + (state->has_bindless() && (type->is_sampler() || type->is_image())); } ir_rvalue * @@ -2147,10 +2170,51 @@ ast_function_expression::hir(exec_list *instructions, /* Type cast each parameter and, if possible, fold constants.*/ foreach_in_list_safe(ir_rvalue, ir, &actual_parameters) { - const glsl_type *desired_type = - glsl_type::get_instance(constructor_type->base_type, - ir->type->vector_elements, - ir->type->matrix_columns); + const glsl_type *desired_type; + + /* From section 5.4.1 of the ARB_bindless_texture spec: + * + * "In the following four constructors, the low 32 bits of the sampler + * type correspond to the .x component of the uvec2 and the high 32 + * bits correspond to the .y component." + * + * uvec2(any sampler type) // Converts a sampler type to a + * // pair of 32-bit unsigned integers + * any sampler type(uvec2) // Converts a pair of 32-bit unsigned integers to + * // a sampler type + * uvec2(any image type) // Converts an image type to a + * // pair of 32-bit unsigned integers + * any image type(uvec2) // Converts a pair of 32-bit unsigned integers to + * // an image type + */ + if (ir->type->is_sampler() || ir->type->is_image()) { + /* Convert a sampler/image type to a pair of 32-bit unsigned + * integers as defined by ARB_bindless_texture. + */ + if (constructor_type != glsl_type::uvec2_type) { + _mesa_glsl_error(&loc, state, "sampler and image types can only " + "be converted to a pair of 32-bit unsigned " + "integers"); + } + desired_type = glsl_type::uvec2_type; + } else if (constructor_type->is_sampler() || + constructor_type->is_image()) { + /* Convert a pair of 32-bit unsigned integers to a sampler or image + * type as defined by ARB_bindless_texture. + */ + if (ir->type != glsl_type::uvec2_type) { + _mesa_glsl_error(&loc, state, "sampler and image types can only " + "be converted from a pair of 32-bit unsigned " + "integers"); + } + desired_type = constructor_type; + } else { + desired_type = + glsl_type::get_instance(constructor_type->base_type, + ir->type->vector_elements, + ir->type->matrix_columns); + } + ir_rvalue *result = convert_component(ir, desired_type); /* Attempt to convert the parameter to a constant valued expression. |