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+/*
+ * Copyright © 2016 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ */
+
+#ifndef SHADER_INFO_H
+#define SHADER_INFO_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct shader_info {
+ const char *name;
+
+ /* Descriptive name provided by the client; may be NULL */
+ const char *label;
+
+ /* Number of textures used by this shader */
+ unsigned num_textures;
+ /* Number of uniform buffers used by this shader */
+ unsigned num_ubos;
+ /* Number of atomic buffers used by this shader */
+ unsigned num_abos;
+ /* Number of shader storage buffers used by this shader */
+ unsigned num_ssbos;
+ /* Number of images used by this shader */
+ unsigned num_images;
+
+ /* Which inputs are actually read */
+ uint64_t inputs_read;
+ /* Which inputs are actually read and are double */
+ uint64_t double_inputs_read;
+ /* Which outputs are actually written */
+ uint64_t outputs_written;
+ /* Which outputs are actually read */
+ uint64_t outputs_read;
+ /* Which system values are actually read */
+ uint64_t system_values_read;
+
+ /* Which patch inputs are actually read */
+ uint32_t patch_inputs_read;
+ /* Which patch outputs are actually written */
+ uint32_t patch_outputs_written;
+
+ /* Whether or not this shader ever uses textureGather() */
+ bool uses_texture_gather;
+
+ /* Whether or not this shader uses the gl_ClipDistance output */
+ bool uses_clip_distance_out;
+
+ /* Whether or not separate shader objects were used */
+ bool separate_shader;
+
+ /** Was this shader linked with any transform feedback varyings? */
+ bool has_transform_feedback_varyings;
+
+ union {
+ struct {
+ /** The number of vertices recieves per input primitive */
+ unsigned vertices_in;
+
+ /** The output primitive type (GL enum value) */
+ unsigned output_primitive;
+
+ /** The maximum number of vertices the geometry shader might write. */
+ unsigned vertices_out;
+
+ /** 1 .. MAX_GEOMETRY_SHADER_INVOCATIONS */
+ unsigned invocations;
+
+ /** Whether or not this shader uses EndPrimitive */
+ bool uses_end_primitive;
+
+ /** Whether or not this shader uses non-zero streams */
+ bool uses_streams;
+ } gs;
+
+ struct {
+ bool uses_discard;
+
+ /**
+ * Whether any inputs are declared with the "sample" qualifier.
+ */
+ bool uses_sample_qualifier;
+
+ /**
+ * Whether early fragment tests are enabled as defined by
+ * ARB_shader_image_load_store.
+ */
+ bool early_fragment_tests;
+
+ /** gl_FragDepth layout for ARB_conservative_depth. */
+ enum gl_frag_depth_layout depth_layout;
+ } fs;
+
+ struct {
+ unsigned local_size[3];
+ } cs;
+
+ struct {
+ /** The number of vertices in the TCS output patch. */
+ unsigned vertices_out;
+ } tcs;
+ };
+} shader_info;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* SHADER_INFO_H */