diff options
Diffstat (limited to 'mesalib/src/glsl/ast_type.cpp')
-rw-r--r-- | mesalib/src/glsl/ast_type.cpp | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/mesalib/src/glsl/ast_type.cpp b/mesalib/src/glsl/ast_type.cpp index bbc430808..0ee2c495a 100644 --- a/mesalib/src/glsl/ast_type.cpp +++ b/mesalib/src/glsl/ast_type.cpp @@ -190,6 +190,117 @@ ast_type_qualifier::merge_qualifier(YYLTYPE *loc, if (q.precision != ast_precision_none) this->precision = q.precision; + if (q.flags.q.explicit_image_format) { + this->image_format = q.image_format; + this->image_base_type = q.image_base_type; + } + return true; } +bool +ast_type_qualifier::merge_in_qualifier(YYLTYPE *loc, + _mesa_glsl_parse_state *state, + ast_type_qualifier q, + ast_node* &node) +{ + void *mem_ctx = state; + bool create_gs_ast = false; + bool create_cs_ast = false; + ast_type_qualifier valid_in_mask; + valid_in_mask.flags.i = 0; + + switch (state->stage) { + case MESA_SHADER_GEOMETRY: + if (q.flags.q.prim_type) { + /* Make sure this is a valid input primitive type. */ + switch (q.prim_type) { + case GL_POINTS: + case GL_LINES: + case GL_LINES_ADJACENCY: + case GL_TRIANGLES: + case GL_TRIANGLES_ADJACENCY: + break; + default: + _mesa_glsl_error(loc, state, + "invalid geometry shader input primitive type"); + break; + } + } + + create_gs_ast |= + q.flags.q.prim_type && + !state->in_qualifier->flags.q.prim_type; + + valid_in_mask.flags.q.prim_type = 1; + valid_in_mask.flags.q.invocations = 1; + break; + case MESA_SHADER_FRAGMENT: + if (q.flags.q.early_fragment_tests) { + state->early_fragment_tests = true; + } else { + _mesa_glsl_error(loc, state, "invalid input layout qualifier"); + } + break; + case MESA_SHADER_COMPUTE: + create_cs_ast |= + q.flags.q.local_size != 0 && + state->in_qualifier->flags.q.local_size == 0; + + valid_in_mask.flags.q.local_size = 1; + break; + default: + _mesa_glsl_error(loc, state, + "input layout qualifiers only valid in " + "geometry, fragment and compute shaders"); + break; + } + + /* Generate an error when invalid input layout qualifiers are used. */ + if ((q.flags.i & ~valid_in_mask.flags.i) != 0) { + _mesa_glsl_error(loc, state, + "invalid input layout qualifiers used"); + return false; + } + + /* Input layout qualifiers can be specified multiple + * times in separate declarations, as long as they match. + */ + if (this->flags.q.prim_type) { + if (q.flags.q.prim_type && + this->prim_type != q.prim_type) { + _mesa_glsl_error(loc, state, + "conflicting input primitive types specified"); + } + } else if (q.flags.q.prim_type) { + state->in_qualifier->flags.q.prim_type = 1; + state->in_qualifier->prim_type = q.prim_type; + } + + if (this->flags.q.invocations && + q.flags.q.invocations && + this->invocations != q.invocations) { + _mesa_glsl_error(loc, state, + "conflicting invocations counts specified"); + return false; + } else if (q.flags.q.invocations) { + this->flags.q.invocations = 1; + this->invocations = q.invocations; + } + + if (create_gs_ast) { + node = new(mem_ctx) ast_gs_input_layout(*loc, q.prim_type); + } else if (create_cs_ast) { + /* Infer a local_size of 1 for every unspecified dimension */ + unsigned local_size[3]; + for (int i = 0; i < 3; i++) { + if (q.flags.q.local_size & (1 << i)) + local_size[i] = q.local_size[i]; + else + local_size[i] = 1; + } + node = new(mem_ctx) ast_cs_input_layout(*loc, local_size); + } + + return true; +} |