From: Dave Airlie Date: Sun, 23 Sep 2012 09:50:41 +0000 (+1000) Subject: glsl: Implement ARB_texture_query_lod X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=110ca8b1f31e573210437e359723a4b0c16a5a0c;p=mesa.git glsl: Implement ARB_texture_query_lod v2 [mattst88]: - Rebase. - #define GL_ARB_texture_query_lod to 1. - Remove comma after ir_lod in ir.h for MSVC. - Handled ir_lod in ir_hv_accept.cpp, ir_rvalue_visitor.cpp, opt_tree_grafting.cpp. - Rename textureQueryLOD to textureQueryLod, see https://www.khronos.org/bugzilla/show_bug.cgi?id=821 - Fix ir_reader of (lod ...). v3 [mattst88]: - Rename textureQueryLod to textureQueryLOD, pending resolution of Khronos 821. - Add ir_lod case to ir_to_mesa.cpp. Reviewed-by: Matt Turner Reviewed-by: Kenneth Graunke --- diff --git a/src/glsl/builtins/profiles/ARB_texture_query_lod.frag b/src/glsl/builtins/profiles/ARB_texture_query_lod.frag new file mode 100644 index 00000000000..5d76127040a --- /dev/null +++ b/src/glsl/builtins/profiles/ARB_texture_query_lod.frag @@ -0,0 +1,38 @@ +#version 130 +#extension GL_ARB_texture_query_lod : enable +#extension GL_ARB_texture_cube_map_array : enable + +vec2 textureQueryLOD( sampler1D sampler, float coord); +vec2 textureQueryLOD(isampler1D sampler, float coord); +vec2 textureQueryLOD(usampler1D sampler, float coord); + +vec2 textureQueryLOD( sampler2D sampler, vec2 coord); +vec2 textureQueryLOD(isampler2D sampler, vec2 coord); +vec2 textureQueryLOD(usampler2D sampler, vec2 coord); + +vec2 textureQueryLOD( sampler3D sampler, vec3 coord); +vec2 textureQueryLOD(isampler3D sampler, vec3 coord); +vec2 textureQueryLOD(usampler3D sampler, vec3 coord); + +vec2 textureQueryLOD( samplerCube sampler, vec3 coord); +vec2 textureQueryLOD(isamplerCube sampler, vec3 coord); +vec2 textureQueryLOD(usamplerCube sampler, vec3 coord); + +vec2 textureQueryLOD( sampler1DArray sampler, float coord); +vec2 textureQueryLOD(isampler1DArray sampler, float coord); +vec2 textureQueryLOD(usampler1DArray sampler, float coord); + +vec2 textureQueryLOD( sampler2DArray sampler, vec2 coord); +vec2 textureQueryLOD(isampler2DArray sampler, vec2 coord); +vec2 textureQueryLOD(usampler2DArray sampler, vec2 coord); + +vec2 textureQueryLOD( samplerCubeArray sampler, vec3 coord); +vec2 textureQueryLOD(isamplerCubeArray sampler, vec3 coord); +vec2 textureQueryLOD(usamplerCubeArray sampler, vec3 coord); + +vec2 textureQueryLOD(sampler1DShadow sampler, float coord); +vec2 textureQueryLOD(sampler2DShadow sampler, vec2 coord); +vec2 textureQueryLOD(samplerCubeShadow sampler, vec3 coord); +vec2 textureQueryLOD(sampler1DArrayShadow sampler, float coord); +vec2 textureQueryLOD(sampler2DArrayShadow sampler, vec2 coord); +vec2 textureQueryLOD(samplerCubeArrayShadow sampler, vec3 coord); diff --git a/src/glsl/builtins/tools/generate_builtins.py b/src/glsl/builtins/tools/generate_builtins.py index 748a689fe3a..75d3c21f43b 100755 --- a/src/glsl/builtins/tools/generate_builtins.py +++ b/src/glsl/builtins/tools/generate_builtins.py @@ -191,6 +191,7 @@ read_builtins(GLenum target, const char *protos, const char **functions, unsigne st->ARB_texture_cube_map_array_enable = true; st->ARB_shading_language_packing_enable = true; st->ARB_texture_multisample_enable = true; + st->ARB_texture_query_lod_enable = true; _mesa_glsl_initialize_types(st); sh->ir = new(sh) exec_list; diff --git a/src/glsl/builtins/tools/texture_builtins.py b/src/glsl/builtins/tools/texture_builtins.py index f32391de9ea..6ef20d5561b 100755 --- a/src/glsl/builtins/tools/texture_builtins.py +++ b/src/glsl/builtins/tools/texture_builtins.py @@ -33,29 +33,29 @@ def get_sampler_dim(sampler_type): # Get the coordinate dimension for a given sampler type. # Array samplers also get +1 here since the layer is really an extra coordinate -def get_coord_dim(sampler_type): +def get_coord_dim(sampler_type, tex_inst): coord_dim = get_sampler_dim(sampler_type) - if sampler_type.find("Array") != -1: + if sampler_type.find("Array") != -1 and tex_inst != "lod": coord_dim += 1 return coord_dim # Get the number of extra vector components (i.e. shadow comparitor) -def get_extra_dim(sampler_type, use_proj, unused_fields): +def get_extra_dim(sampler_type, use_proj, unused_fields, tex_inst): extra_dim = unused_fields if sampler_type == "CubeArrayShadow": return 0 - if sampler_type.find("Shadow") != -1: + if sampler_type.find("Shadow") != -1 and tex_inst != "lod": extra_dim += 1 if use_proj: extra_dim += 1 return extra_dim -def get_txs_dim(sampler_type): +def get_txs_dim(sampler_type, tex_inst): if sampler_type.startswith("CubeArray"): return 3 if sampler_type.startswith("Cube"): return 2 - return get_coord_dim(sampler_type) + return get_coord_dim(sampler_type, tex_inst) def has_lod(sampler_type): if 'Buffer' in sampler_type: return False @@ -64,14 +64,16 @@ def has_lod(sampler_type): return True def generate_sigs(g, tex_inst, sampler_type, variant = 0, unused_fields = 0): - coord_dim = get_coord_dim(sampler_type) - extra_dim = get_extra_dim(sampler_type, variant & Proj, unused_fields) + coord_dim = get_coord_dim(sampler_type, tex_inst) + extra_dim = get_extra_dim(sampler_type, variant & Proj, unused_fields, tex_inst) sampler_dim = get_sampler_dim(sampler_type) if variant & Single: return_type = "float" elif tex_inst == "txs": - return_type = vec_type("i", get_txs_dim(sampler_type)) + return_type = vec_type("i", get_txs_dim(sampler_type, tex_inst)) + elif tex_inst == "lod": + return_type = "vec2" else: return_type = g + "vec4" @@ -108,14 +110,14 @@ def generate_sigs(g, tex_inst, sampler_type, variant = 0, unused_fields = 0): else: print "(var_ref P)", - if tex_inst not in ['txf_ms', 'txs']: + if tex_inst not in ['txf_ms', 'txs', 'lod']: # Coordinate offset if variant & Offset: print "(var_ref offset)", else: print "0", - if tex_inst not in ['txf', 'txf_ms', 'txs']: + if tex_inst not in ['txf', 'txf_ms', 'txs', 'lod']: # Projective divisor if variant & Proj: print "(swiz " + "xyzw"[coord_dim + extra_dim-1] + " (var_ref P))", @@ -635,6 +637,22 @@ def generate_texture_functions(fs): generate_sigs("", "txl", "2DShadow", Proj) end_function(fs, "shadow2DProjLod") + start_function("textureQueryLOD") + generate_fiu_sigs("lod", "1D") + generate_fiu_sigs("lod", "2D") + generate_fiu_sigs("lod", "3D") + generate_fiu_sigs("lod", "Cube") + generate_fiu_sigs("lod", "1DArray") + generate_fiu_sigs("lod", "2DArray") + generate_fiu_sigs("lod", "CubeArray") + generate_sigs("", "lod", "1DShadow") + generate_sigs("", "lod", "2DShadow") + generate_sigs("", "lod", "CubeShadow") + generate_sigs("", "lod", "1DArrayShadow") + generate_sigs("", "lod", "2DArrayShadow") + generate_sigs("", "lod", "CubeArrayShadow") + end_function(fs, "textureQueryLOD") + sys.stdout = sys.__stdout__ return fs diff --git a/src/glsl/glcpp/glcpp-parse.y b/src/glsl/glcpp/glcpp-parse.y index d6afe8814f2..00edbbfbde2 100644 --- a/src/glsl/glcpp/glcpp-parse.y +++ b/src/glsl/glcpp/glcpp-parse.y @@ -1233,6 +1233,9 @@ glcpp_parser_create (const struct gl_extensions *extensions, int api) if (extensions->ARB_texture_multisample) add_builtin_define(parser, "GL_ARB_texture_multisample", 1); + + if (extensions->ARB_texture_query_lod) + add_builtin_define(parser, "GL_ARB_texture_query_lod", 1); } } diff --git a/src/glsl/glsl_parser_extras.cpp b/src/glsl/glsl_parser_extras.cpp index 56082f7615b..974090361b7 100644 --- a/src/glsl/glsl_parser_extras.cpp +++ b/src/glsl/glsl_parser_extras.cpp @@ -467,6 +467,7 @@ static const _mesa_glsl_extension _mesa_glsl_supported_extensions[] = { EXT(ARB_texture_cube_map_array, true, false, true, true, false, ARB_texture_cube_map_array), EXT(ARB_shading_language_packing, true, false, true, true, false, ARB_shading_language_packing), EXT(ARB_texture_multisample, true, false, true, true, false, ARB_texture_multisample), + EXT(ARB_texture_query_lod, false, false, true, true, false, ARB_texture_query_lod), }; #undef EXT diff --git a/src/glsl/glsl_parser_extras.h b/src/glsl/glsl_parser_extras.h index 1765cdf1611..95891b595f8 100644 --- a/src/glsl/glsl_parser_extras.h +++ b/src/glsl/glsl_parser_extras.h @@ -282,6 +282,8 @@ struct _mesa_glsl_parse_state { bool ARB_shading_language_packing_warn; bool ARB_texture_multisample_enable; bool ARB_texture_multisample_warn; + bool ARB_texture_query_lod_enable; + bool ARB_texture_query_lod_warn; /*@}*/ /** Extensions supported by the OpenGL implementation. */ diff --git a/src/glsl/ir.cpp b/src/glsl/ir.cpp index 60ef8b95a60..05b77da2c45 100644 --- a/src/glsl/ir.cpp +++ b/src/glsl/ir.cpp @@ -1307,7 +1307,7 @@ ir_dereference::is_lvalue() const } -static const char *tex_opcode_strs[] = { "tex", "txb", "txl", "txd", "txf", "txf_ms", "txs" }; +static const char *tex_opcode_strs[] = { "tex", "txb", "txl", "txd", "txf", "txf_ms", "txs", "lod" }; const char *ir_texture::opcode_string() { @@ -1338,6 +1338,9 @@ ir_texture::set_sampler(ir_dereference *sampler, const glsl_type *type) if (this->op == ir_txs) { assert(type->base_type == GLSL_TYPE_INT); + } else if (this->op == ir_lod) { + assert(type->vector_elements == 2); + assert(type->base_type == GLSL_TYPE_FLOAT); } else { assert(sampler->type->sampler_type == (int) type->base_type); if (sampler->type->sampler_shadow) diff --git a/src/glsl/ir.h b/src/glsl/ir.h index ee27dea993f..0c3e39979a3 100644 --- a/src/glsl/ir.h +++ b/src/glsl/ir.h @@ -1426,7 +1426,8 @@ enum ir_texture_opcode { ir_txd, /**< Texture look-up with partial derivatvies */ ir_txf, /**< Texel fetch with explicit LOD */ ir_txf_ms, /**< Multisample texture fetch */ - ir_txs /**< Texture size */ + ir_txs, /**< Texture size */ + ir_lod /**< Texture lod query */ }; @@ -1450,6 +1451,7 @@ enum ir_texture_opcode { * (txf_ms * ) * (txs ) + * (lod ) */ class ir_texture : public ir_rvalue { public: diff --git a/src/glsl/ir_clone.cpp b/src/glsl/ir_clone.cpp index 4797451d7b2..5b42935f8e8 100644 --- a/src/glsl/ir_clone.cpp +++ b/src/glsl/ir_clone.cpp @@ -243,6 +243,7 @@ ir_texture::clone(void *mem_ctx, struct hash_table *ht) const switch (this->op) { case ir_tex: + case ir_lod: break; case ir_txb: new_tex->lod_info.bias = this->lod_info.bias->clone(mem_ctx, ht); diff --git a/src/glsl/ir_hv_accept.cpp b/src/glsl/ir_hv_accept.cpp index 5fa75011ef4..559b71af38a 100644 --- a/src/glsl/ir_hv_accept.cpp +++ b/src/glsl/ir_hv_accept.cpp @@ -213,6 +213,7 @@ ir_texture::accept(ir_hierarchical_visitor *v) switch (this->op) { case ir_tex: + case ir_lod: break; case ir_txb: s = this->lod_info.bias->accept(v); diff --git a/src/glsl/ir_print_visitor.cpp b/src/glsl/ir_print_visitor.cpp index 3bdea9bbcbc..597d2813ff2 100644 --- a/src/glsl/ir_print_visitor.cpp +++ b/src/glsl/ir_print_visitor.cpp @@ -278,6 +278,7 @@ void ir_print_visitor::visit(ir_texture *ir) switch (ir->op) { case ir_tex: + case ir_lod: break; case ir_txb: ir->lod_info.bias->accept(this); diff --git a/src/glsl/ir_reader.cpp b/src/glsl/ir_reader.cpp index 22ce03b0d21..16fdc41b456 100644 --- a/src/glsl/ir_reader.cpp +++ b/src/glsl/ir_reader.cpp @@ -917,6 +917,8 @@ ir_reader::read_texture(s_expression *expr) s_pattern tex_pattern[] = { "tex", s_type, s_sampler, s_coord, s_offset, s_proj, s_shadow }; + s_pattern lod_pattern[] = + { "lod", s_type, s_sampler, s_coord }; s_pattern txf_pattern[] = { "txf", s_type, s_sampler, s_coord, s_offset, s_lod }; s_pattern txf_ms_pattern[] = @@ -926,7 +928,9 @@ ir_reader::read_texture(s_expression *expr) s_pattern other_pattern[] = { tag, s_type, s_sampler, s_coord, s_offset, s_proj, s_shadow, s_lod }; - if (MATCH(expr, tex_pattern)) { + if (MATCH(expr, lod_pattern)) { + op = ir_lod; + } else if (MATCH(expr, tex_pattern)) { op = ir_tex; } else if (MATCH(expr, txf_pattern)) { op = ir_txf; @@ -939,7 +943,7 @@ ir_reader::read_texture(s_expression *expr) if (op == -1) return NULL; } else { - ir_read_error(NULL, "unexpected texture pattern"); + ir_read_error(NULL, "unexpected texture pattern %s", tag->value()); return NULL; } @@ -971,7 +975,7 @@ ir_reader::read_texture(s_expression *expr) return NULL; } - if (op != ir_txf_ms) { + if (op != ir_txf_ms && op != ir_lod) { // Read texel offset - either 0 or an rvalue. s_int *si_offset = SX_AS_INT(s_offset); if (si_offset == NULL || si_offset->value() != 0) { @@ -984,7 +988,7 @@ ir_reader::read_texture(s_expression *expr) } } - if (op != ir_txf && op != ir_txf_ms && op != ir_txs) { + if (op != ir_txf && op != ir_txf_ms && op != ir_txs && op != ir_lod) { s_int *proj_as_int = SX_AS_INT(s_proj); if (proj_as_int && proj_as_int->value() == 1) { tex->projector = NULL; @@ -1054,7 +1058,7 @@ ir_reader::read_texture(s_expression *expr) break; } default: - // tex doesn't have any extra parameters. + // tex and lod don't have any extra parameters. break; }; return tex; diff --git a/src/glsl/ir_rvalue_visitor.cpp b/src/glsl/ir_rvalue_visitor.cpp index 543c54496c9..3504a4dda4d 100644 --- a/src/glsl/ir_rvalue_visitor.cpp +++ b/src/glsl/ir_rvalue_visitor.cpp @@ -57,6 +57,7 @@ ir_rvalue_base_visitor::rvalue_visit(ir_texture *ir) switch (ir->op) { case ir_tex: + case ir_lod: break; case ir_txb: handle_rvalue(&ir->lod_info.bias); diff --git a/src/glsl/opt_tree_grafting.cpp b/src/glsl/opt_tree_grafting.cpp index 985540196be..9aceb134def 100644 --- a/src/glsl/opt_tree_grafting.cpp +++ b/src/glsl/opt_tree_grafting.cpp @@ -274,6 +274,7 @@ ir_tree_grafting_visitor::visit_enter(ir_texture *ir) switch (ir->op) { case ir_tex: + case ir_lod: break; case ir_txb: if (do_graft(&ir->lod_info.bias)) diff --git a/src/glsl/standalone_scaffolding.cpp b/src/glsl/standalone_scaffolding.cpp index b5ef768bd77..0c1f52f48c1 100644 --- a/src/glsl/standalone_scaffolding.cpp +++ b/src/glsl/standalone_scaffolding.cpp @@ -103,6 +103,7 @@ void initialize_context_to_defaults(struct gl_context *ctx, gl_api api) ctx->Extensions.OES_standard_derivatives = true; ctx->Extensions.ARB_texture_cube_map_array = true; ctx->Extensions.ARB_texture_multisample = true; + ctx->Extensions.ARB_texture_query_lod = true; ctx->Const.GLSLVersion = 120; diff --git a/src/mesa/main/extensions.c b/src/mesa/main/extensions.c index e90a2968064..3116692a5e6 100644 --- a/src/mesa/main/extensions.c +++ b/src/mesa/main/extensions.c @@ -144,6 +144,7 @@ static const struct extension extension_table[] = { { "GL_ARB_texture_mirrored_repeat", o(dummy_true), GLL, 2001 }, { "GL_ARB_texture_multisample", o(ARB_texture_multisample), GL, 2009 }, { "GL_ARB_texture_non_power_of_two", o(ARB_texture_non_power_of_two), GL, 2003 }, + { "GL_ARB_texture_query_lod", o(ARB_texture_query_lod), GL, 2009 }, { "GL_ARB_texture_rectangle", o(NV_texture_rectangle), GL, 2004 }, { "GL_ARB_texture_rgb10_a2ui", o(ARB_texture_rgb10_a2ui), GL, 2009 }, { "GL_ARB_texture_rg", o(ARB_texture_rg), GL, 2008 }, diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h index a0e7e281d84..1875e987235 100644 --- a/src/mesa/main/mtypes.h +++ b/src/mesa/main/mtypes.h @@ -3002,6 +3002,7 @@ struct gl_extensions GLboolean ARB_texture_float; GLboolean ARB_texture_multisample; GLboolean ARB_texture_non_power_of_two; + GLboolean ARB_texture_query_lod; GLboolean ARB_texture_rg; GLboolean ARB_texture_rgb10_a2ui; GLboolean ARB_texture_storage; diff --git a/src/mesa/program/ir_to_mesa.cpp b/src/mesa/program/ir_to_mesa.cpp index 2cb5f02f498..14cf5baa77b 100644 --- a/src/mesa/program/ir_to_mesa.cpp +++ b/src/mesa/program/ir_to_mesa.cpp @@ -2048,6 +2048,9 @@ ir_to_mesa_visitor::visit(ir_texture *ir) case ir_txf_ms: assert(!"Unexpected ir_txf_ms opcode"); break; + case ir_lod: + assert(!"Unexpected ir_lod opcode"); + break; } const glsl_type *sampler_type = ir->sampler->type;