diff options
author | Kenneth Graunke <kenneth@whitecape.org> | 2011-02-25 14:45:33 -0800 |
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committer | Kenneth Graunke <kenneth@whitecape.org> | 2011-08-23 11:16:30 -0700 |
commit | 1e3bcbdf31f09666ba358f35ff9486faee3642ca (patch) | |
tree | 39562690d676bc99140a67492219475215d0c0bb /src/glsl | |
parent | 8f26b59f53d6d80bf7d3c39a4dd3c438a2c305a4 (diff) | |
download | external_mesa3d-1e3bcbdf31f09666ba358f35ff9486faee3642ca.zip external_mesa3d-1e3bcbdf31f09666ba358f35ff9486faee3642ca.tar.gz external_mesa3d-1e3bcbdf31f09666ba358f35ff9486faee3642ca.tar.bz2 |
glsl: Add a new ir_txs (textureSize) opcode to ir_texture.
One unique aspect of TXS is that it doesn't have a coordinate.
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'src/glsl')
-rw-r--r-- | src/glsl/ir.cpp | 16 | ||||
-rw-r--r-- | src/glsl/ir.h | 4 | ||||
-rw-r--r-- | src/glsl/ir_clone.cpp | 4 | ||||
-rw-r--r-- | src/glsl/ir_hv_accept.cpp | 9 | ||||
-rw-r--r-- | src/glsl/ir_print_visitor.cpp | 21 | ||||
-rw-r--r-- | src/glsl/ir_reader.cpp | 37 | ||||
-rw-r--r-- | src/glsl/ir_rvalue_visitor.cpp | 1 | ||||
-rw-r--r-- | src/glsl/opt_tree_grafting.cpp | 1 |
8 files changed, 58 insertions, 35 deletions
diff --git a/src/glsl/ir.cpp b/src/glsl/ir.cpp index 6f8676e..41ed4f1 100644 --- a/src/glsl/ir.cpp +++ b/src/glsl/ir.cpp @@ -1121,7 +1121,7 @@ ir_dereference::is_lvalue() const } -const char *tex_opcode_strs[] = { "tex", "txb", "txl", "txd", "txf" }; +const char *tex_opcode_strs[] = { "tex", "txb", "txl", "txd", "txf", "txs" }; const char *ir_texture::opcode_string() { @@ -1150,11 +1150,15 @@ ir_texture::set_sampler(ir_dereference *sampler, const glsl_type *type) this->sampler = sampler; this->type = type; - assert(sampler->type->sampler_type == (int) type->base_type); - if (sampler->type->sampler_shadow) - assert(type->vector_elements == 4 || type->vector_elements == 1); - else - assert(type->vector_elements == 4); + if (this->op == ir_txs) { + assert(type->base_type == GLSL_TYPE_INT); + } else { + assert(sampler->type->sampler_type == (int) type->base_type); + if (sampler->type->sampler_shadow) + assert(type->vector_elements == 4 || type->vector_elements == 1); + else + assert(type->vector_elements == 4); + } } diff --git a/src/glsl/ir.h b/src/glsl/ir.h index 04fa97b..990aaa1 100644 --- a/src/glsl/ir.h +++ b/src/glsl/ir.h @@ -1212,7 +1212,8 @@ enum ir_texture_opcode { ir_txb, /**< Texture look-up with LOD bias */ ir_txl, /**< Texture look-up with explicit LOD */ ir_txd, /**< Texture look-up with partial derivatvies */ - ir_txf /**< Texel fetch with explicit LOD */ + ir_txf, /**< Texel fetch with explicit LOD */ + ir_txs /**< Texture size */ }; @@ -1233,6 +1234,7 @@ enum ir_texture_opcode { * (txl <type> <sampler> <coordinate> 0 1 ( ) <lod>) * (txd <type> <sampler> <coordinate> 0 1 ( ) (dPdx dPdy)) * (txf <type> <sampler> <coordinate> 0 <lod>) + * (txs <type> <sampler> <lod>) */ class ir_texture : public ir_rvalue { public: diff --git a/src/glsl/ir_clone.cpp b/src/glsl/ir_clone.cpp index 069bb85..f075736 100644 --- a/src/glsl/ir_clone.cpp +++ b/src/glsl/ir_clone.cpp @@ -222,7 +222,8 @@ ir_texture::clone(void *mem_ctx, struct hash_table *ht) const new_tex->type = this->type; new_tex->sampler = this->sampler->clone(mem_ctx, ht); - new_tex->coordinate = this->coordinate->clone(mem_ctx, ht); + if (this->coordinate) + new_tex->coordinate = this->coordinate->clone(mem_ctx, ht); if (this->projector) new_tex->projector = this->projector->clone(mem_ctx, ht); if (this->shadow_comparitor) { @@ -240,6 +241,7 @@ ir_texture::clone(void *mem_ctx, struct hash_table *ht) const break; case ir_txl: case ir_txf: + case ir_txs: new_tex->lod_info.lod = this->lod_info.lod->clone(mem_ctx, ht); break; case ir_txd: diff --git a/src/glsl/ir_hv_accept.cpp b/src/glsl/ir_hv_accept.cpp index 4a607dc..d33fc85 100644 --- a/src/glsl/ir_hv_accept.cpp +++ b/src/glsl/ir_hv_accept.cpp @@ -171,9 +171,11 @@ ir_texture::accept(ir_hierarchical_visitor *v) if (s != visit_continue) return (s == visit_continue_with_parent) ? visit_continue : s; - s = this->coordinate->accept(v); - if (s != visit_continue) - return (s == visit_continue_with_parent) ? visit_continue : s; + if (this->coordinate) { + s = this->coordinate->accept(v); + if (s != visit_continue) + return (s == visit_continue_with_parent) ? visit_continue : s; + } if (this->projector) { s = this->projector->accept(v); @@ -203,6 +205,7 @@ ir_texture::accept(ir_hierarchical_visitor *v) break; case ir_txl: case ir_txf: + case ir_txs: s = this->lod_info.lod->accept(v); if (s != visit_continue) return (s == visit_continue_with_parent) ? visit_continue : s; diff --git a/src/glsl/ir_print_visitor.cpp b/src/glsl/ir_print_visitor.cpp index 518910b..ea78582 100644 --- a/src/glsl/ir_print_visitor.cpp +++ b/src/glsl/ir_print_visitor.cpp @@ -244,19 +244,21 @@ void ir_print_visitor::visit(ir_texture *ir) ir->sampler->accept(this); printf(" "); - ir->coordinate->accept(this); + if (ir->op != ir_txs) { + ir->coordinate->accept(this); - printf(" "); + printf(" "); - if (ir->offset != NULL) { - ir->offset->accept(this); - } else { - printf("0"); - } + if (ir->offset != NULL) { + ir->offset->accept(this); + } else { + printf("0"); + } - printf(" "); + printf(" "); + } - if (ir->op != ir_txf) { + if (ir->op != ir_txf && ir->op != ir_txs) { if (ir->projector) ir->projector->accept(this); else @@ -280,6 +282,7 @@ void ir_print_visitor::visit(ir_texture *ir) break; case ir_txl: case ir_txf: + case ir_txs: ir->lod_info.lod->accept(this); break; case ir_txd: diff --git a/src/glsl/ir_reader.cpp b/src/glsl/ir_reader.cpp index f3a6217..22009ee 100644 --- a/src/glsl/ir_reader.cpp +++ b/src/glsl/ir_reader.cpp @@ -885,6 +885,8 @@ ir_reader::read_texture(s_expression *expr) { "tex", s_type, s_sampler, s_coord, s_offset, s_proj, s_shadow }; s_pattern txf_pattern[] = { "txf", s_type, s_sampler, s_coord, s_offset, s_lod }; + s_pattern txs_pattern[] = + { "txs", s_type, s_sampler, s_lod }; s_pattern other_pattern[] = { tag, s_type, s_sampler, s_coord, s_offset, s_proj, s_shadow, s_lod }; @@ -892,6 +894,8 @@ ir_reader::read_texture(s_expression *expr) op = ir_tex; } else if (MATCH(expr, txf_pattern)) { op = ir_txf; + } else if (MATCH(expr, txs_pattern)) { + op = ir_txs; } else if (MATCH(expr, other_pattern)) { op = ir_texture::get_opcode(tag->value()); if (op == -1) @@ -920,25 +924,27 @@ ir_reader::read_texture(s_expression *expr) } tex->set_sampler(sampler, type); - // Read coordinate (any rvalue) - tex->coordinate = read_rvalue(s_coord); - if (tex->coordinate == NULL) { - ir_read_error(NULL, "when reading coordinate in (%s ...)", - tex->opcode_string()); - return NULL; - } - - // 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) { - tex->offset = read_rvalue(s_offset); - if (tex->offset == NULL) { - ir_read_error(s_offset, "expected 0 or an expression"); + if (op != ir_txs) { + // Read coordinate (any rvalue) + tex->coordinate = read_rvalue(s_coord); + if (tex->coordinate == NULL) { + ir_read_error(NULL, "when reading coordinate in (%s ...)", + tex->opcode_string()); return NULL; } + + // 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) { + tex->offset = read_rvalue(s_offset); + if (tex->offset == NULL) { + ir_read_error(s_offset, "expected 0 or an expression"); + return NULL; + } + } } - if (op != ir_txf) { + if (op != ir_txf && op != ir_txs) { s_int *proj_as_int = SX_AS_INT(s_proj); if (proj_as_int && proj_as_int->value() == 1) { tex->projector = NULL; @@ -973,6 +979,7 @@ ir_reader::read_texture(s_expression *expr) break; case ir_txl: case ir_txf: + case ir_txs: tex->lod_info.lod = read_rvalue(s_lod); if (tex->lod_info.lod == NULL) { ir_read_error(NULL, "when reading LOD in (%s ...)", diff --git a/src/glsl/ir_rvalue_visitor.cpp b/src/glsl/ir_rvalue_visitor.cpp index ed6c7cb..193bcd2 100644 --- a/src/glsl/ir_rvalue_visitor.cpp +++ b/src/glsl/ir_rvalue_visitor.cpp @@ -63,6 +63,7 @@ ir_rvalue_visitor::visit_leave(ir_texture *ir) break; case ir_txf: case ir_txl: + case ir_txs: handle_rvalue(&ir->lod_info.lod); break; case ir_txd: diff --git a/src/glsl/opt_tree_grafting.cpp b/src/glsl/opt_tree_grafting.cpp index 1ef940f..22a1749 100644 --- a/src/glsl/opt_tree_grafting.cpp +++ b/src/glsl/opt_tree_grafting.cpp @@ -258,6 +258,7 @@ ir_tree_grafting_visitor::visit_enter(ir_texture *ir) break; case ir_txf: case ir_txl: + case ir_txs: if (do_graft(&ir->lod_info.lod)) return visit_stop; break; |