#include "glsl_parser_extras.h"
#include "compiler/glsl_types.h"
#include "main/context.h"
+#include "util/u_string.h"
+#include "util/format/u_format.h"
#ifdef _MSC_VER
#pragma warning( disable : 4065 ) // switch statement contains 'default' but no 'case' labels
@$.last_line = 1;
@$.last_column = 1;
@$.source = 0;
+ @$.path = NULL;
}
%lex-param {struct _mesa_glsl_parse_state *state}
%token ATTRIBUTE CONST_TOK
%token <type> BASIC_TYPE_TOK
-%token BREAK BUFFER CONTINUE DO ELSE FOR IF DISCARD RETURN SWITCH CASE DEFAULT
+%token BREAK BUFFER CONTINUE DO ELSE FOR IF DEMOTE DISCARD RETURN SWITCH CASE DEFAULT
%token CENTROID IN_TOK OUT_TOK INOUT_TOK UNIFORM VARYING SAMPLE
%token NOPERSPECTIVE FLAT SMOOTH
%token IMAGE1DSHADOW IMAGE2DSHADOW IMAGE1DARRAYSHADOW IMAGE2DARRAYSHADOW
%token VERSION_TOK EXTENSION LINE COLON EOL INTERFACE OUTPUT
%token PRAGMA_DEBUG_ON PRAGMA_DEBUG_OFF
%token PRAGMA_OPTIMIZE_ON PRAGMA_OPTIMIZE_OFF
+%token PRAGMA_WARNING_ON PRAGMA_WARNING_OFF
%token PRAGMA_INVARIANT_ALL
%token LAYOUT_TOK
%token DOT_TOK
%type <n> unary_operator
%type <expression> function_identifier
%type <node> external_declaration
+%type <node> pragma_statement
%type <declarator_list> init_declarator_list
%type <declarator_list> single_declaration
%type <expression> initializer
%type <node> declaration
%type <node> declaration_statement
%type <node> jump_statement
+%type <node> demote_statement
%type <node> interface_block
%type <interface_block> basic_interface_block
%type <struct_specifier> struct_specifier
;
pragma_statement:
- PRAGMA_DEBUG_ON EOL
- | PRAGMA_DEBUG_OFF EOL
- | PRAGMA_OPTIMIZE_ON EOL
- | PRAGMA_OPTIMIZE_OFF EOL
+ PRAGMA_DEBUG_ON EOL { $$ = NULL; }
+ | PRAGMA_DEBUG_OFF EOL { $$ = NULL; }
+ | PRAGMA_OPTIMIZE_ON EOL { $$ = NULL; }
+ | PRAGMA_OPTIMIZE_OFF EOL { $$ = NULL; }
| PRAGMA_INVARIANT_ALL EOL
{
/* Pragma invariant(all) cannot be used in a fragment shader.
} else {
state->all_invariant = true;
}
+
+ $$ = NULL;
+ }
+ | PRAGMA_WARNING_ON EOL
+ {
+ void *mem_ctx = state->linalloc;
+ $$ = new(mem_ctx) ast_warnings_toggle(true);
+ }
+ | PRAGMA_WARNING_OFF EOL
+ {
+ void *mem_ctx = state->linalloc;
+ $$ = new(mem_ctx) ast_warnings_toggle(false);
}
;
$$->identifier = $2;
state->symbols->add_variable(new(state) ir_variable(NULL, $2, ir_var_auto));
}
+ | layout_qualifier type_specifier any_identifier
+ {
+ if (state->allow_layout_qualifier_on_function_parameter) {
+ void *ctx = state->linalloc;
+ $$ = new(ctx) ast_parameter_declarator();
+ $$->set_location_range(@2, @3);
+ $$->type = new(ctx) ast_fully_specified_type();
+ $$->type->set_location(@2);
+ $$->type->specifier = $2;
+ $$->identifier = $3;
+ state->symbols->add_variable(new(state) ir_variable(NULL, $3, ir_var_auto));
+ } else {
+ _mesa_glsl_error(&@1, state,
+ "is is not allowed on function parameter");
+ YYERROR;
+ }
+ }
| type_specifier any_identifier array_specifier
{
void *ctx = state->linalloc;
if (!$$.flags.i) {
static const struct {
const char *name;
- GLenum format;
+ enum pipe_format format;
glsl_base_type base_type;
/** Minimum desktop GLSL version required for the image
* format. Use 130 if already present in the original
unsigned required_essl;
/* NV_image_formats */
bool nv_image_formats;
+ bool ext_qualifiers;
} map[] = {
- { "rgba32f", GL_RGBA32F, GLSL_TYPE_FLOAT, 130, 310, false },
- { "rgba16f", GL_RGBA16F, GLSL_TYPE_FLOAT, 130, 310, false },
- { "rg32f", GL_RG32F, GLSL_TYPE_FLOAT, 130, 0, true },
- { "rg16f", GL_RG16F, GLSL_TYPE_FLOAT, 130, 0, true },
- { "r11f_g11f_b10f", GL_R11F_G11F_B10F, GLSL_TYPE_FLOAT, 130, 0, true },
- { "r32f", GL_R32F, GLSL_TYPE_FLOAT, 130, 310, false },
- { "r16f", GL_R16F, GLSL_TYPE_FLOAT, 130, 0, true },
- { "rgba32ui", GL_RGBA32UI, GLSL_TYPE_UINT, 130, 310, false },
- { "rgba16ui", GL_RGBA16UI, GLSL_TYPE_UINT, 130, 310, false },
- { "rgb10_a2ui", GL_RGB10_A2UI, GLSL_TYPE_UINT, 130, 0, true },
- { "rgba8ui", GL_RGBA8UI, GLSL_TYPE_UINT, 130, 310, false },
- { "rg32ui", GL_RG32UI, GLSL_TYPE_UINT, 130, 0, true },
- { "rg16ui", GL_RG16UI, GLSL_TYPE_UINT, 130, 0, true },
- { "rg8ui", GL_RG8UI, GLSL_TYPE_UINT, 130, 0, true },
- { "r32ui", GL_R32UI, GLSL_TYPE_UINT, 130, 310, false },
- { "r16ui", GL_R16UI, GLSL_TYPE_UINT, 130, 0, true },
- { "r8ui", GL_R8UI, GLSL_TYPE_UINT, 130, 0, true },
- { "rgba32i", GL_RGBA32I, GLSL_TYPE_INT, 130, 310, false },
- { "rgba16i", GL_RGBA16I, GLSL_TYPE_INT, 130, 310, false },
- { "rgba8i", GL_RGBA8I, GLSL_TYPE_INT, 130, 310, false },
- { "rg32i", GL_RG32I, GLSL_TYPE_INT, 130, 0, true },
- { "rg16i", GL_RG16I, GLSL_TYPE_INT, 130, 0, true },
- { "rg8i", GL_RG8I, GLSL_TYPE_INT, 130, 0, true },
- { "r32i", GL_R32I, GLSL_TYPE_INT, 130, 310, false },
- { "r16i", GL_R16I, GLSL_TYPE_INT, 130, 0, true },
- { "r8i", GL_R8I, GLSL_TYPE_INT, 130, 0, true },
- { "rgba16", GL_RGBA16, GLSL_TYPE_FLOAT, 130, 0, false },
- { "rgb10_a2", GL_RGB10_A2, GLSL_TYPE_FLOAT, 130, 0, true },
- { "rgba8", GL_RGBA8, GLSL_TYPE_FLOAT, 130, 310, false },
- { "rg16", GL_RG16, GLSL_TYPE_FLOAT, 130, 0, false },
- { "rg8", GL_RG8, GLSL_TYPE_FLOAT, 130, 0, true },
- { "r16", GL_R16, GLSL_TYPE_FLOAT, 130, 0, false },
- { "r8", GL_R8, GLSL_TYPE_FLOAT, 130, 0, true },
- { "rgba16_snorm", GL_RGBA16_SNORM, GLSL_TYPE_FLOAT, 130, 0, false },
- { "rgba8_snorm", GL_RGBA8_SNORM, GLSL_TYPE_FLOAT, 130, 310, false },
- { "rg16_snorm", GL_RG16_SNORM, GLSL_TYPE_FLOAT, 130, 0, false },
- { "rg8_snorm", GL_RG8_SNORM, GLSL_TYPE_FLOAT, 130, 0, true },
- { "r16_snorm", GL_R16_SNORM, GLSL_TYPE_FLOAT, 130, 0, false },
- { "r8_snorm", GL_R8_SNORM, GLSL_TYPE_FLOAT, 130, 0, true }
+ { "rgba32f", PIPE_FORMAT_R32G32B32A32_FLOAT, GLSL_TYPE_FLOAT, 130, 310, false, false },
+ { "rgba16f", PIPE_FORMAT_R16G16B16A16_FLOAT, GLSL_TYPE_FLOAT, 130, 310, false, false },
+ { "rg32f", PIPE_FORMAT_R32G32_FLOAT, GLSL_TYPE_FLOAT, 130, 0, true, false },
+ { "rg16f", PIPE_FORMAT_R16G16_FLOAT, GLSL_TYPE_FLOAT, 130, 0, true, false },
+ { "r11f_g11f_b10f", PIPE_FORMAT_R11G11B10_FLOAT, GLSL_TYPE_FLOAT, 130, 0, true, false },
+ { "r32f", PIPE_FORMAT_R32_FLOAT, GLSL_TYPE_FLOAT, 130, 310, false, false },
+ { "r16f", PIPE_FORMAT_R16_FLOAT, GLSL_TYPE_FLOAT, 130, 0, true, false },
+ { "rgba32ui", PIPE_FORMAT_R32G32B32A32_UINT, GLSL_TYPE_UINT, 130, 310, false, false },
+ { "rgba16ui", PIPE_FORMAT_R16G16B16A16_UINT, GLSL_TYPE_UINT, 130, 310, false, false },
+ { "rgb10_a2ui", PIPE_FORMAT_R10G10B10A2_UINT, GLSL_TYPE_UINT, 130, 0, true, false },
+ { "rgba8ui", PIPE_FORMAT_R8G8B8A8_UINT, GLSL_TYPE_UINT, 130, 310, false, false },
+ { "rg32ui", PIPE_FORMAT_R32G32_UINT, GLSL_TYPE_UINT, 130, 0, true, false },
+ { "rg16ui", PIPE_FORMAT_R16G16_UINT, GLSL_TYPE_UINT, 130, 0, true, false },
+ { "rg8ui", PIPE_FORMAT_R8G8_UINT, GLSL_TYPE_UINT, 130, 0, true, false },
+ { "r32ui", PIPE_FORMAT_R32_UINT, GLSL_TYPE_UINT, 130, 310, false, false },
+ { "r16ui", PIPE_FORMAT_R16_UINT, GLSL_TYPE_UINT, 130, 0, true, false },
+ { "r8ui", PIPE_FORMAT_R8_UINT, GLSL_TYPE_UINT, 130, 0, true, false },
+ { "rgba32i", PIPE_FORMAT_R32G32B32A32_SINT, GLSL_TYPE_INT, 130, 310, false, false },
+ { "rgba16i", PIPE_FORMAT_R16G16B16A16_SINT, GLSL_TYPE_INT, 130, 310, false, false },
+ { "rgba8i", PIPE_FORMAT_R8G8B8A8_SINT, GLSL_TYPE_INT, 130, 310, false, false },
+ { "rg32i", PIPE_FORMAT_R32G32_SINT, GLSL_TYPE_INT, 130, 0, true, false },
+ { "rg16i", PIPE_FORMAT_R16G16_SINT, GLSL_TYPE_INT, 130, 0, true, false },
+ { "rg8i", PIPE_FORMAT_R8G8_SINT, GLSL_TYPE_INT, 130, 0, true, false },
+ { "r32i", PIPE_FORMAT_R32_SINT, GLSL_TYPE_INT, 130, 310, false, false },
+ { "r16i", PIPE_FORMAT_R16_SINT, GLSL_TYPE_INT, 130, 0, true, false },
+ { "r8i", PIPE_FORMAT_R8_SINT, GLSL_TYPE_INT, 130, 0, true, false },
+ { "rgba16", PIPE_FORMAT_R16G16B16A16_UNORM, GLSL_TYPE_FLOAT, 130, 0, true, false },
+ { "rgb10_a2", PIPE_FORMAT_R10G10B10A2_UNORM, GLSL_TYPE_FLOAT, 130, 0, true, false },
+ { "rgba8", PIPE_FORMAT_R8G8B8A8_UNORM, GLSL_TYPE_FLOAT, 130, 310, false, false },
+ { "rg16", PIPE_FORMAT_R16G16_UNORM, GLSL_TYPE_FLOAT, 130, 0, true, false },
+ { "rg8", PIPE_FORMAT_R8G8_UNORM, GLSL_TYPE_FLOAT, 130, 0, true, false },
+ { "r16", PIPE_FORMAT_R16_UNORM, GLSL_TYPE_FLOAT, 130, 0, true, false },
+ { "r8", PIPE_FORMAT_R8_UNORM, GLSL_TYPE_FLOAT, 130, 0, true, false },
+ { "rgba16_snorm", PIPE_FORMAT_R16G16B16A16_SNORM, GLSL_TYPE_FLOAT, 130, 0, true, false },
+ { "rgba8_snorm", PIPE_FORMAT_R8G8B8A8_SNORM, GLSL_TYPE_FLOAT, 130, 310, false, false },
+ { "rg16_snorm", PIPE_FORMAT_R16G16_SNORM, GLSL_TYPE_FLOAT, 130, 0, true, false },
+ { "rg8_snorm", PIPE_FORMAT_R8G8_SNORM, GLSL_TYPE_FLOAT, 130, 0, true, false },
+ { "r16_snorm", PIPE_FORMAT_R16_SNORM, GLSL_TYPE_FLOAT, 130, 0, true, false },
+ { "r8_snorm", PIPE_FORMAT_R8_SNORM, GLSL_TYPE_FLOAT, 130, 0, true, false },
+
+ /* From GL_EXT_shader_image_load_store: */
+ /* base_type is incorrect but it'll be patched later when we know
+ * the variable type. See ast_to_hir.cpp */
+ { "size1x8", PIPE_FORMAT_R8_SINT, GLSL_TYPE_VOID, 130, 0, false, true },
+ { "size1x16", PIPE_FORMAT_R16_SINT, GLSL_TYPE_VOID, 130, 0, false, true },
+ { "size1x32", PIPE_FORMAT_R32_SINT, GLSL_TYPE_VOID, 130, 0, false, true },
+ { "size2x32", PIPE_FORMAT_R32G32_SINT, GLSL_TYPE_VOID, 130, 0, false, true },
+ { "size4x32", PIPE_FORMAT_R32G32B32A32_SINT, GLSL_TYPE_VOID, 130, 0, false, true },
};
for (unsigned i = 0; i < ARRAY_SIZE(map); i++) {
(state->NV_image_formats_enable &&
map[i].nv_image_formats)) &&
match_layout_qualifier($1, map[i].name, state) == 0) {
+ /* Skip ARB_shader_image_load_store qualifiers if not enabled */
+ if (!map[i].ext_qualifiers && !(state->ARB_shader_image_load_store_enable ||
+ state->is_version(420, 310))) {
+ continue;
+ }
+ /* Skip EXT_shader_image_load_store qualifiers if not enabled */
+ if (map[i].ext_qualifiers && !state->EXT_shader_image_load_store_enable) {
+ continue;
+ }
$$.flags.q.explicit_image_format = 1;
$$.image_format = map[i].format;
$$.image_base_type = map[i].base_type;
}
}
+ const bool pixel_interlock_ordered = match_layout_qualifier($1,
+ "pixel_interlock_ordered", state) == 0;
+ const bool pixel_interlock_unordered = match_layout_qualifier($1,
+ "pixel_interlock_unordered", state) == 0;
+ const bool sample_interlock_ordered = match_layout_qualifier($1,
+ "sample_interlock_ordered", state) == 0;
+ const bool sample_interlock_unordered = match_layout_qualifier($1,
+ "sample_interlock_unordered", state) == 0;
+
+ if (pixel_interlock_ordered + pixel_interlock_unordered +
+ sample_interlock_ordered + sample_interlock_unordered > 0 &&
+ state->stage != MESA_SHADER_FRAGMENT) {
+ _mesa_glsl_error(& @1, state, "interlock layout qualifiers: "
+ "pixel_interlock_ordered, pixel_interlock_unordered, "
+ "sample_interlock_ordered and sample_interlock_unordered, "
+ "only valid in fragment shader input layout declaration.");
+ } else if (pixel_interlock_ordered + pixel_interlock_unordered +
+ sample_interlock_ordered + sample_interlock_unordered > 0 &&
+ !state->ARB_fragment_shader_interlock_enable &&
+ !state->NV_fragment_shader_interlock_enable) {
+ _mesa_glsl_error(& @1, state,
+ "interlock layout qualifier present, but the "
+ "GL_ARB_fragment_shader_interlock or "
+ "GL_NV_fragment_shader_interlock extension is not "
+ "enabled.");
+ } else {
+ $$.flags.q.pixel_interlock_ordered = pixel_interlock_ordered;
+ $$.flags.q.pixel_interlock_unordered = pixel_interlock_unordered;
+ $$.flags.q.sample_interlock_ordered = sample_interlock_ordered;
+ $$.flags.q.sample_interlock_unordered = sample_interlock_unordered;
+ }
+
/* Layout qualifiers for tessellation evaluation shaders. */
if (!$$.flags.i) {
static const struct {
}
}
+ if (!$$.flags.i &&
+ state->EXT_shader_framebuffer_fetch_non_coherent_enable) {
+ if (match_layout_qualifier($1, "noncoherent", state) == 0)
+ $$.flags.q.non_coherent = 1;
+ }
+
+ // Layout qualifiers for NV_compute_shader_derivatives.
+ if (!$$.flags.i) {
+ if (match_layout_qualifier($1, "derivative_group_quadsNV", state) == 0) {
+ $$.flags.q.derivative_group = 1;
+ $$.derivative_group = DERIVATIVE_GROUP_QUADS;
+ } else if (match_layout_qualifier($1, "derivative_group_linearNV", state) == 0) {
+ $$.flags.q.derivative_group = 1;
+ $$.derivative_group = DERIVATIVE_GROUP_LINEAR;
+ }
+
+ if ($$.flags.i) {
+ if (!state->has_compute_shader()) {
+ _mesa_glsl_error(& @1, state,
+ "qualifier `%s' requires "
+ "a compute shader", $1);
+ }
+
+ if (!state->NV_compute_shader_derivatives_enable) {
+ _mesa_glsl_error(& @1, state,
+ "qualifier `%s' requires "
+ "NV_compute_shader_derivatives", $1);
+ }
+
+ if (state->NV_compute_shader_derivatives_warn) {
+ _mesa_glsl_warning(& @1, state,
+ "NV_compute_shader_derivatives layout "
+ "qualifier `%s' used", $1);
+ }
+ }
+ }
+
+ /* Layout qualifier for NV_viewport_array2. */
+ if (!$$.flags.i && state->stage != MESA_SHADER_FRAGMENT) {
+ if (match_layout_qualifier($1, "viewport_relative", state) == 0) {
+ $$.flags.q.viewport_relative = 1;
+ }
+
+ if ($$.flags.i && !state->NV_viewport_array2_enable) {
+ _mesa_glsl_error(& @1, state,
+ "qualifier `%s' requires "
+ "GL_NV_viewport_array2", $1);
+ }
+
+ if ($$.flags.i && state->NV_viewport_array2_warn) {
+ _mesa_glsl_warning(& @1, state,
+ "GL_NV_viewport_array2 layout "
+ "identifier `%s' used", $1);
+ }
+ }
+
if (!$$.flags.i) {
_mesa_glsl_error(& @1, state, "unrecognized layout identifier "
"`%s'", $1);
"duplicate auxiliary storage qualifier (centroid or sample)");
}
- if (!state->has_420pack_or_es31() &&
+ if ((!state->has_420pack_or_es31() && !state->EXT_gpu_shader4_enable) &&
($2.flags.q.precise || $2.flags.q.invariant ||
$2.has_interpolation() || $2.has_layout())) {
_mesa_glsl_error(&@1, state, "auxiliary storage qualifiers must come "
/* Section 4.3 of the GLSL 1.20 specification states:
* "Variable declarations may have a storage qualifier specified..."
* 1.30 clarifies this to "may have one storage qualifier".
+ *
+ * GL_EXT_gpu_shader4 allows "varying out" in fragment shaders.
*/
- if ($2.has_storage())
+ if ($2.has_storage() &&
+ (!state->EXT_gpu_shader4_enable ||
+ state->stage != MESA_SHADER_FRAGMENT ||
+ !$1.flags.q.varying || !$2.flags.q.out))
_mesa_glsl_error(&@1, state, "duplicate storage qualifier");
if (!state->has_420pack_or_es31() &&
basic_type_specifier_nonarray
{
void *ctx = state->linalloc;
- $$ = new(ctx) ast_type_specifier($1->name);
+ $$ = new(ctx) ast_type_specifier($1);
$$->set_location(@1);
}
| struct_specifier
basic_type_specifier_nonarray:
VOID_TOK { $$ = glsl_type::void_type; }
- | BASIC_TYPE_TOK { $$ = $1; };
+ | BASIC_TYPE_TOK { $$ = $1; }
+ | UNSIGNED BASIC_TYPE_TOK
+ {
+ if ($2 == glsl_type::int_type) {
+ $$ = glsl_type::uint_type;
+ } else {
+ _mesa_glsl_error(&@1, state,
+ "\"unsigned\" is only allowed before \"int\"");
+ }
+ }
;
precision_qualifier:
| switch_statement
| iteration_statement
| jump_statement
+ | demote_statement
;
compound_statement:
$$ = $1;
$$->link.insert_before(& $2->link);
}
+ | statement_list extension_statement
+ {
+ if (!state->allow_extension_directive_midshader) {
+ _mesa_glsl_error(& @1, state,
+ "#extension directive is not allowed "
+ "in the middle of a shader");
+ YYERROR;
+ }
+ }
;
expression_statement:
}
;
+demote_statement:
+ DEMOTE ';'
+ {
+ void *ctx = state->linalloc;
+ $$ = new(ctx) ast_demote_statement();
+ $$->set_location(@1);
+ }
+ ;
+
external_declaration:
function_definition { $$ = $1; }
| declaration { $$ = $1; }
- | pragma_statement { $$ = NULL; }
+ | pragma_statement { $$ = $1; }
| layout_defaults { $$ = $1; }
+ | ';' { $$ = NULL; }
;
function_definition:
projects / mesa.git / blobdiff