diff options
Diffstat (limited to 'mesalib/src/glsl/glsl_types.cpp')
| -rw-r--r-- | mesalib/src/glsl/glsl_types.cpp | 241 |
1 files changed, 218 insertions, 23 deletions
diff --git a/mesalib/src/glsl/glsl_types.cpp b/mesalib/src/glsl/glsl_types.cpp index 0d2eb7cec..38b37a6a9 100644 --- a/mesalib/src/glsl/glsl_types.cpp +++ b/mesalib/src/glsl/glsl_types.cpp @@ -194,6 +194,22 @@ glsl_type::contains_integer() const } bool +glsl_type::contains_double() const +{ + if (this->is_array()) { + return this->fields.array->contains_double(); + } else if (this->is_record()) { + for (unsigned int i = 0; i < this->length; i++) { + if (this->fields.structure[i].type->contains_double()) + return true; + } + return false; + } else { + return this->is_double(); + } +} + +bool glsl_type::contains_opaque() const { switch (base_type) { case GLSL_TYPE_SAMPLER: @@ -268,6 +284,8 @@ const glsl_type *glsl_type::get_base_type() const return int_type; case GLSL_TYPE_FLOAT: return float_type; + case GLSL_TYPE_DOUBLE: + return double_type; case GLSL_TYPE_BOOL: return bool_type; default: @@ -292,6 +310,8 @@ const glsl_type *glsl_type::get_scalar_type() const return int_type; case GLSL_TYPE_FLOAT: return float_type; + case GLSL_TYPE_DOUBLE: + return double_type; case GLSL_TYPE_BOOL: return bool_type; default: @@ -377,6 +397,17 @@ glsl_type::vec(unsigned components) return ts[components - 1]; } +const glsl_type * +glsl_type::dvec(unsigned components) +{ + if (components == 0 || components > 4) + return error_type; + + static const glsl_type *const ts[] = { + double_type, dvec2_type, dvec3_type, dvec4_type + }; + return ts[components - 1]; +} const glsl_type * glsl_type::ivec(unsigned components) @@ -436,13 +467,15 @@ glsl_type::get_instance(unsigned base_type, unsigned rows, unsigned columns) return ivec(rows); case GLSL_TYPE_FLOAT: return vec(rows); + case GLSL_TYPE_DOUBLE: + return dvec(rows); case GLSL_TYPE_BOOL: return bvec(rows); default: return error_type; } } else { - if ((base_type != GLSL_TYPE_FLOAT) || (rows == 1)) + if ((base_type != GLSL_TYPE_FLOAT && base_type != GLSL_TYPE_DOUBLE) || (rows == 1)) return error_type; /* GLSL matrix types are named mat{COLUMNS}x{ROWS}. Only the following @@ -456,17 +489,32 @@ glsl_type::get_instance(unsigned base_type, unsigned rows, unsigned columns) */ #define IDX(c,r) (((c-1)*3) + (r-1)) - switch (IDX(columns, rows)) { - case IDX(2,2): return mat2_type; - case IDX(2,3): return mat2x3_type; - case IDX(2,4): return mat2x4_type; - case IDX(3,2): return mat3x2_type; - case IDX(3,3): return mat3_type; - case IDX(3,4): return mat3x4_type; - case IDX(4,2): return mat4x2_type; - case IDX(4,3): return mat4x3_type; - case IDX(4,4): return mat4_type; - default: return error_type; + if (base_type == GLSL_TYPE_DOUBLE) { + switch (IDX(columns, rows)) { + case IDX(2,2): return dmat2_type; + case IDX(2,3): return dmat2x3_type; + case IDX(2,4): return dmat2x4_type; + case IDX(3,2): return dmat3x2_type; + case IDX(3,3): return dmat3_type; + case IDX(3,4): return dmat3x4_type; + case IDX(4,2): return dmat4x2_type; + case IDX(4,3): return dmat4x3_type; + case IDX(4,4): return dmat4_type; + default: return error_type; + } + } else { + switch (IDX(columns, rows)) { + case IDX(2,2): return mat2_type; + case IDX(2,3): return mat2x3_type; + case IDX(2,4): return mat2x4_type; + case IDX(3,2): return mat3x2_type; + case IDX(3,3): return mat3_type; + case IDX(3,4): return mat3x4_type; + case IDX(4,2): return mat4x2_type; + case IDX(4,3): return mat4x3_type; + case IDX(4,4): return mat4_type; + default: return error_type; + } } } @@ -474,6 +522,117 @@ glsl_type::get_instance(unsigned base_type, unsigned rows, unsigned columns) return error_type; } +const glsl_type * +glsl_type::get_sampler_instance(enum glsl_sampler_dim dim, + bool shadow, + bool array, + glsl_base_type type) +{ + switch (type) { + case GLSL_TYPE_FLOAT: + switch (dim) { + case GLSL_SAMPLER_DIM_1D: + if (shadow) + return (array ? sampler1DArrayShadow_type : sampler1DShadow_type); + else + return (array ? sampler1DArray_type : sampler1D_type); + case GLSL_SAMPLER_DIM_2D: + if (shadow) + return (array ? sampler2DArrayShadow_type : sampler2DShadow_type); + else + return (array ? sampler2DArray_type : sampler2D_type); + case GLSL_SAMPLER_DIM_3D: + if (shadow || array) + return error_type; + else + return sampler3D_type; + case GLSL_SAMPLER_DIM_CUBE: + if (shadow) + return (array ? samplerCubeArrayShadow_type : samplerCubeShadow_type); + else + return (array ? samplerCubeArray_type : samplerCube_type); + case GLSL_SAMPLER_DIM_RECT: + if (array) + return error_type; + if (shadow) + return sampler2DRectShadow_type; + else + return sampler2DRect_type; + case GLSL_SAMPLER_DIM_BUF: + if (shadow || array) + return error_type; + else + return samplerBuffer_type; + case GLSL_SAMPLER_DIM_MS: + if (shadow) + return error_type; + return (array ? sampler2DMSArray_type : sampler2DMS_type); + case GLSL_SAMPLER_DIM_EXTERNAL: + if (shadow || array) + return error_type; + else + return samplerExternalOES_type; + } + case GLSL_TYPE_INT: + if (shadow) + return error_type; + switch (dim) { + case GLSL_SAMPLER_DIM_1D: + return (array ? isampler1DArray_type : isampler1D_type); + case GLSL_SAMPLER_DIM_2D: + return (array ? isampler2DArray_type : isampler2D_type); + case GLSL_SAMPLER_DIM_3D: + if (array) + return error_type; + return isampler3D_type; + case GLSL_SAMPLER_DIM_CUBE: + return (array ? isamplerCubeArray_type : isamplerCube_type); + case GLSL_SAMPLER_DIM_RECT: + if (array) + return error_type; + return isampler2DRect_type; + case GLSL_SAMPLER_DIM_BUF: + if (array) + return error_type; + return isamplerBuffer_type; + case GLSL_SAMPLER_DIM_MS: + return (array ? isampler2DMSArray_type : isampler2DMS_type); + case GLSL_SAMPLER_DIM_EXTERNAL: + return error_type; + } + case GLSL_TYPE_UINT: + if (shadow) + return error_type; + switch (dim) { + case GLSL_SAMPLER_DIM_1D: + return (array ? usampler1DArray_type : usampler1D_type); + case GLSL_SAMPLER_DIM_2D: + return (array ? usampler2DArray_type : usampler2D_type); + case GLSL_SAMPLER_DIM_3D: + if (array) + return error_type; + return usampler3D_type; + case GLSL_SAMPLER_DIM_CUBE: + return (array ? usamplerCubeArray_type : usamplerCube_type); + case GLSL_SAMPLER_DIM_RECT: + if (array) + return error_type; + return usampler2DRect_type; + case GLSL_SAMPLER_DIM_BUF: + if (array) + return error_type; + return usamplerBuffer_type; + case GLSL_SAMPLER_DIM_MS: + return (array ? usampler2DMSArray_type : usampler2DMS_type); + case GLSL_SAMPLER_DIM_EXTERNAL: + return error_type; + } + default: + return error_type; + } + + unreachable("switch statement above should be complete"); +} const glsl_type * glsl_type::get_array_instance(const glsl_type *base, unsigned array_size) @@ -707,6 +866,9 @@ glsl_type::component_slots() const case GLSL_TYPE_BOOL: return this->components(); + case GLSL_TYPE_DOUBLE: + return 2 * this->components(); + case GLSL_TYPE_STRUCT: case GLSL_TYPE_INTERFACE: { unsigned size = 0; @@ -742,6 +904,7 @@ glsl_type::uniform_locations() const case GLSL_TYPE_UINT: case GLSL_TYPE_INT: case GLSL_TYPE_FLOAT: + case GLSL_TYPE_DOUBLE: case GLSL_TYPE_BOOL: case GLSL_TYPE_SAMPLER: case GLSL_TYPE_IMAGE: @@ -786,12 +949,26 @@ glsl_type::can_implicitly_convert_to(const glsl_type *desired, desired->base_type == GLSL_TYPE_UINT && this->base_type == GLSL_TYPE_INT) return true; + /* No implicit conversions from double. */ + if ((!state || state->has_double()) && this->is_double()) + return false; + + /* Conversions from different types to double. */ + if ((!state || state->has_double()) && desired->is_double()) { + if (this->is_float()) + return true; + if (this->is_integer()) + return true; + } + return false; } unsigned glsl_type::std140_base_alignment(bool row_major) const { + unsigned N = is_double() ? 8 : 4; + /* (1) If the member is a scalar consuming <N> basic machine units, the * base alignment is <N>. * @@ -805,12 +982,12 @@ glsl_type::std140_base_alignment(bool row_major) const if (this->is_scalar() || this->is_vector()) { switch (this->vector_elements) { case 1: - return 4; + return N; case 2: - return 8; + return 2 * N; case 3: case 4: - return 16; + return 4 * N; } } @@ -859,10 +1036,10 @@ glsl_type::std140_base_alignment(bool row_major) const int r = this->vector_elements; if (row_major) { - vec_type = get_instance(GLSL_TYPE_FLOAT, c, 1); + vec_type = get_instance(base_type, c, 1); array_type = glsl_type::get_array_instance(vec_type, r); } else { - vec_type = get_instance(GLSL_TYPE_FLOAT, r, 1); + vec_type = get_instance(base_type, r, 1); array_type = glsl_type::get_array_instance(vec_type, c); } @@ -900,6 +1077,15 @@ glsl_type::std140_base_alignment(bool row_major) const return base_alignment; } + /* A sampler may never occur in a UBO (without bindless of some sort), + * however it is convenient to use this alignment function even with + * regular uniforms. This allows use of this function on uniform structs + * that contain samplers. + */ + if (this->is_sampler()) { + return 0; + } + assert(!"not reached"); return -1; } @@ -907,6 +1093,8 @@ glsl_type::std140_base_alignment(bool row_major) const unsigned glsl_type::std140_size(bool row_major) const { + unsigned N = is_double() ? 8 : 4; + /* (1) If the member is a scalar consuming <N> basic machine units, the * base alignment is <N>. * @@ -918,7 +1106,7 @@ glsl_type::std140_size(bool row_major) const * <N> basic machine units, the base alignment is 4<N>. */ if (this->is_scalar() || this->is_vector()) { - return this->vector_elements * 4; + return this->vector_elements * N; } /* (5) If the member is a column-major matrix with <C> columns and @@ -953,11 +1141,12 @@ glsl_type::std140_size(bool row_major) const } if (row_major) { - vec_type = get_instance(GLSL_TYPE_FLOAT, - element_type->matrix_columns, 1); + vec_type = get_instance(element_type->base_type, + element_type->matrix_columns, 1); + array_len *= element_type->vector_elements; } else { - vec_type = get_instance(GLSL_TYPE_FLOAT, + vec_type = get_instance(element_type->base_type, element_type->vector_elements, 1); array_len *= element_type->matrix_columns; } @@ -1060,6 +1249,7 @@ glsl_type::count_attribute_slots() const case GLSL_TYPE_INT: case GLSL_TYPE_FLOAT: case GLSL_TYPE_BOOL: + case GLSL_TYPE_DOUBLE: return this->matrix_columns; case GLSL_TYPE_STRUCT: @@ -1114,8 +1304,13 @@ glsl_type::coordinate_components() const break; } - /* Array textures need an additional component for the array index. */ - if (sampler_array) + /* Array textures need an additional component for the array index, except + * for cubemap array images that behave like a 2D array of interleaved + * cubemap faces. + */ + if (sampler_array && + !(base_type == GLSL_TYPE_IMAGE && + sampler_dimensionality == GLSL_SAMPLER_DIM_CUBE)) size += 1; return size; |