+ /* Layout qualifiers for ARB_shader_image_load_store. */
+ if (state->ARB_shader_image_load_store_enable ||
+ state->is_version(420, 0)) {
+ if (!$$.flags.i) {
+ static const struct {
+ const char *name;
+ GLenum format;
+ glsl_base_type base_type;
+ } map[] = {
+ { "rgba32f", GL_RGBA32F, GLSL_TYPE_FLOAT },
+ { "rgba16f", GL_RGBA16F, GLSL_TYPE_FLOAT },
+ { "rg32f", GL_RG32F, GLSL_TYPE_FLOAT },
+ { "rg16f", GL_RG16F, GLSL_TYPE_FLOAT },
+ { "r11f_g11f_b10f", GL_R11F_G11F_B10F, GLSL_TYPE_FLOAT },
+ { "r32f", GL_R32F, GLSL_TYPE_FLOAT },
+ { "r16f", GL_R16F, GLSL_TYPE_FLOAT },
+ { "rgba32ui", GL_RGBA32UI, GLSL_TYPE_UINT },
+ { "rgba16ui", GL_RGBA16UI, GLSL_TYPE_UINT },
+ { "rgb10_a2ui", GL_RGB10_A2UI, GLSL_TYPE_UINT },
+ { "rgba8ui", GL_RGBA8UI, GLSL_TYPE_UINT },
+ { "rg32ui", GL_RG32UI, GLSL_TYPE_UINT },
+ { "rg16ui", GL_RG16UI, GLSL_TYPE_UINT },
+ { "rg8ui", GL_RG8UI, GLSL_TYPE_UINT },
+ { "r32ui", GL_R32UI, GLSL_TYPE_UINT },
+ { "r16ui", GL_R16UI, GLSL_TYPE_UINT },
+ { "r8ui", GL_R8UI, GLSL_TYPE_UINT },
+ { "rgba32i", GL_RGBA32I, GLSL_TYPE_INT },
+ { "rgba16i", GL_RGBA16I, GLSL_TYPE_INT },
+ { "rgba8i", GL_RGBA8I, GLSL_TYPE_INT },
+ { "rg32i", GL_RG32I, GLSL_TYPE_INT },
+ { "rg16i", GL_RG16I, GLSL_TYPE_INT },
+ { "rg8i", GL_RG8I, GLSL_TYPE_INT },
+ { "r32i", GL_R32I, GLSL_TYPE_INT },
+ { "r16i", GL_R16I, GLSL_TYPE_INT },
+ { "r8i", GL_R8I, GLSL_TYPE_INT },
+ { "rgba16", GL_RGBA16, GLSL_TYPE_FLOAT },
+ { "rgb10_a2", GL_RGB10_A2, GLSL_TYPE_FLOAT },
+ { "rgba8", GL_RGBA8, GLSL_TYPE_FLOAT },
+ { "rg16", GL_RG16, GLSL_TYPE_FLOAT },
+ { "rg8", GL_RG8, GLSL_TYPE_FLOAT },
+ { "r16", GL_R16, GLSL_TYPE_FLOAT },
+ { "r8", GL_R8, GLSL_TYPE_FLOAT },
+ { "rgba16_snorm", GL_RGBA16_SNORM, GLSL_TYPE_FLOAT },
+ { "rgba8_snorm", GL_RGBA8_SNORM, GLSL_TYPE_FLOAT },
+ { "rg16_snorm", GL_RG16_SNORM, GLSL_TYPE_FLOAT },
+ { "rg8_snorm", GL_RG8_SNORM, GLSL_TYPE_FLOAT },
+ { "r16_snorm", GL_R16_SNORM, GLSL_TYPE_FLOAT },
+ { "r8_snorm", GL_R8_SNORM, GLSL_TYPE_FLOAT }
+ };
+
+ for (unsigned i = 0; i < ARRAY_SIZE(map); i++) {
+ if (match_layout_qualifier($1, map[i].name, state) == 0) {
+ $$.flags.q.explicit_image_format = 1;
+ $$.image_format = map[i].format;
+ $$.image_base_type = map[i].base_type;
+ break;
+ }
+ }
+ }
+
+ if (!$$.flags.i &&
+ match_layout_qualifier($1, "early_fragment_tests", state) == 0) {
+ /* From section 4.4.1.3 of the GLSL 4.50 specification
+ * (Fragment Shader Inputs):
+ *
+ * "Fragment shaders also allow the following layout
+ * qualifier on in only (not with variable declarations)
+ * layout-qualifier-id
+ * early_fragment_tests
+ * [...]"
+ */
+ if (state->stage != MESA_SHADER_FRAGMENT) {
+ _mesa_glsl_error(& @1, state,
+ "early_fragment_tests layout qualifier only "
+ "valid in fragment shaders");
+ }
+
+ $$.flags.q.early_fragment_tests = 1;
+ }
+ }
+
+ /* Layout qualifiers for tessellation evaluation shaders. */
+ if (!$$.flags.i) {
+ struct {
+ const char *s;
+ GLenum e;
+ } map[] = {
+ /* triangles already parsed by gs-specific code */
+ { "quads", GL_QUADS },
+ { "isolines", GL_ISOLINES },
+ };
+ for (unsigned i = 0; i < ARRAY_SIZE(map); i++) {
+ if (match_layout_qualifier($1, map[i].s, state) == 0) {
+ $$.flags.q.prim_type = 1;
+ $$.prim_type = map[i].e;
+ break;
+ }
+ }
+
+ if ($$.flags.i &&
+ !state->ARB_tessellation_shader_enable &&
+ !state->is_version(400, 0)) {
+ _mesa_glsl_error(& @1, state,
+ "primitive mode qualifier `%s' requires "
+ "GLSL 4.00 or ARB_tessellation_shader", $1);
+ }
+ }
+ if (!$$.flags.i) {
+ struct {
+ const char *s;
+ GLenum e;
+ } map[] = {
+ { "equal_spacing", GL_EQUAL },
+ { "fractional_odd_spacing", GL_FRACTIONAL_ODD },
+ { "fractional_even_spacing", GL_FRACTIONAL_EVEN },
+ };
+ for (unsigned i = 0; i < ARRAY_SIZE(map); i++) {
+ if (match_layout_qualifier($1, map[i].s, state) == 0) {
+ $$.flags.q.vertex_spacing = 1;
+ $$.vertex_spacing = map[i].e;
+ break;
+ }
+ }
+
+ if ($$.flags.i &&
+ !state->ARB_tessellation_shader_enable &&
+ !state->is_version(400, 0)) {
+ _mesa_glsl_error(& @1, state,
+ "vertex spacing qualifier `%s' requires "
+ "GLSL 4.00 or ARB_tessellation_shader", $1);
+ }
+ }
+ if (!$$.flags.i) {
+ if (match_layout_qualifier($1, "cw", state) == 0) {
+ $$.flags.q.ordering = 1;
+ $$.ordering = GL_CW;
+ } else if (match_layout_qualifier($1, "ccw", state) == 0) {
+ $$.flags.q.ordering = 1;
+ $$.ordering = GL_CCW;
+ }
+
+ if ($$.flags.i &&
+ !state->ARB_tessellation_shader_enable &&
+ !state->is_version(400, 0)) {
+ _mesa_glsl_error(& @1, state,
+ "ordering qualifier `%s' requires "
+ "GLSL 4.00 or ARB_tessellation_shader", $1);
+ }
+ }
+ if (!$$.flags.i) {
+ if (match_layout_qualifier($1, "point_mode", state) == 0) {
+ $$.flags.q.point_mode = 1;
+ $$.point_mode = true;
+ }
+
+ if ($$.flags.i &&
+ !state->ARB_tessellation_shader_enable &&
+ !state->is_version(400, 0)) {
+ _mesa_glsl_error(& @1, state,
+ "qualifier `point_mode' requires "
+ "GLSL 4.00 or ARB_tessellation_shader");
+ }
+ }
+