2 * Copyright © 2016 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
28 #include "shader_enums.h"
35 struct spirv_supported_capabilities
{
38 bool demote_to_helper_invocation
;
39 bool derivative_group
;
40 bool descriptor_array_dynamic_indexing
;
41 bool descriptor_array_non_uniform_indexing
;
42 bool descriptor_indexing
;
46 bool fragment_shader_sample_interlock
;
47 bool fragment_shader_pixel_interlock
;
48 bool geometry_streams
;
50 bool image_read_without_format
;
51 bool image_write_without_format
;
56 bool integer_functions2
;
60 bool physical_storage_buffer_address
;
61 bool post_depth_coverage
;
62 bool runtime_descriptor_array
;
65 bool shader_viewport_index_layer
;
69 bool storage_image_ms
;
70 bool subgroup_arithmetic
;
74 bool subgroup_shuffle
;
77 bool transform_feedback
;
78 bool variable_pointers
;
80 bool vk_memory_model_device_scope
;
82 bool amd_fragment_mask
;
84 bool amd_shader_ballot
;
85 bool amd_trinary_minmax
;
86 bool amd_image_read_write_lod
;
87 bool amd_shader_explicit_vertex_parameter
;
90 typedef struct shader_info
{
93 /* Descriptive name provided by the client; may be NULL */
96 /** The shader stage, such as MESA_SHADER_VERTEX. */
97 gl_shader_stage stage
:8;
99 /** The shader stage in a non SSO linked program that follows this stage,
100 * such as MESA_SHADER_FRAGMENT.
102 gl_shader_stage next_stage
:8;
104 /* Number of textures used by this shader */
105 uint8_t num_textures
;
106 /* Number of uniform buffers used by this shader */
108 /* Number of atomic buffers used by this shader */
110 /* Number of shader storage buffers (max .driver_location + 1) used by this
111 * shader. In the case of nir_lower_atomics_to_ssbo being used, this will
112 * be the number of actual SSBOs in gl_program->info, and the lowered SSBOs
113 * and atomic counters in nir_shader->info.
116 /* Number of images used by this shader */
118 /* Index of the last MSAA image. */
119 int8_t last_msaa_image
;
121 /* Which inputs are actually read */
122 uint64_t inputs_read
;
123 /* Which outputs are actually written */
124 uint64_t outputs_written
;
125 /* Which outputs are actually read */
126 uint64_t outputs_read
;
127 /* Which system values are actually read */
128 uint64_t system_values_read
;
130 /* Which patch inputs are actually read */
131 uint32_t patch_inputs_read
;
132 /* Which patch outputs are actually written */
133 uint32_t patch_outputs_written
;
134 /* Which patch outputs are read */
135 uint32_t patch_outputs_read
;
137 /* Which inputs are read indirectly (subset of inputs_read) */
138 uint64_t inputs_read_indirectly
;
139 /* Which outputs are read or written indirectly */
140 uint64_t outputs_accessed_indirectly
;
141 /* Which patch inputs are read indirectly (subset of patch_inputs_read) */
142 uint64_t patch_inputs_read_indirectly
;
143 /* Which patch outputs are read or written indirectly */
144 uint64_t patch_outputs_accessed_indirectly
;
146 /** Bitfield of which textures are used */
147 uint32_t textures_used
;
149 /** Bitfield of which textures are used by texelFetch() */
150 uint32_t textures_used_by_txf
;
152 /** Bitfield of which images are used */
153 uint32_t images_used
;
155 /* SPV_KHR_float_controls: execution mode for floating point ops */
156 uint16_t float_controls_execution_mode
;
158 /* The size of the gl_ClipDistance[] array, if declared. */
159 uint8_t clip_distance_array_size
:4;
161 /* The size of the gl_CullDistance[] array, if declared. */
162 uint8_t cull_distance_array_size
:4;
164 /* Whether or not this shader ever uses textureGather() */
165 bool uses_texture_gather
:1;
168 * True if this shader uses the fddx/fddy opcodes.
170 * Note that this does not include the "fine" and "coarse" variants.
172 bool uses_fddx_fddy
:1;
175 * True if this shader uses 64-bit ALU operations
179 /* Whether the first UBO is the default uniform buffer, i.e. uniforms. */
180 bool first_ubo_is_default_ubo
:1;
182 /* Whether or not separate shader objects were used */
183 bool separate_shader
:1;
185 /** Was this shader linked with any transform feedback varyings? */
186 bool has_transform_feedback_varyings
:1;
188 /* Whether flrp has been lowered. */
191 /* Whether the shader writes memory, including transform feedback. */
192 bool writes_memory
:1;
194 /* Whether gl_Layer is viewport-relative */
195 bool layer_viewport_relative
:1;
199 /* Which inputs are doubles */
200 uint64_t double_inputs
;
202 /* For AMD-specific driver-internal shaders. It replaces vertex
203 * buffer loads with code generating VS inputs from scalar registers.
205 * Valid values: SI_VS_BLIT_SGPRS_POS_*
207 uint8_t blit_sgprs_amd
:4;
209 /* True if the shader writes position in window space coordinates pre-transform */
210 bool window_space_position
:1;
214 /** The output primitive type (GL enum value) */
215 uint16_t output_primitive
;
217 /** The input primitive type (GL enum value) */
218 uint16_t input_primitive
;
220 /** The maximum number of vertices the geometry shader might write. */
221 uint16_t vertices_out
;
223 /** 1 .. MAX_GEOMETRY_SHADER_INVOCATIONS */
226 /** The number of vertices recieves per input primitive (max. 6) */
227 uint8_t vertices_in
:3;
229 /** Whether or not this shader uses EndPrimitive */
230 bool uses_end_primitive
:1;
232 /** Whether or not this shader uses non-zero streams */
241 * True if this fragment shader requires helper invocations. This
242 * can be caused by the use of ALU derivative ops, texture
243 * instructions which do implicit derivatives, and the use of quad
244 * subgroup operations.
246 bool needs_helper_invocations
:1;
249 * Whether any inputs are declared with the "sample" qualifier.
251 bool uses_sample_qualifier
:1;
254 * Whether early fragment tests are enabled as defined by
255 * ARB_shader_image_load_store.
257 bool early_fragment_tests
:1;
260 * Defined by INTEL_conservative_rasterization.
262 bool inner_coverage
:1;
264 bool post_depth_coverage
:1;
267 * \name ARB_fragment_coord_conventions
270 bool pixel_center_integer
:1;
271 bool origin_upper_left
:1;
274 bool pixel_interlock_ordered
:1;
275 bool pixel_interlock_unordered
:1;
276 bool sample_interlock_ordered
:1;
277 bool sample_interlock_unordered
:1;
280 * Flags whether NIR's base types on the FS color outputs should be
283 * GLSL requires that fragment shader output base types match the
284 * render target's base types for the behavior to be defined. From
287 * "If the values written by the fragment shader do not match the
288 * format(s) of the corresponding color buffer(s), the result is
291 * However, for NIR shaders translated from TGSI, we don't have the
292 * output types any more, so the driver will need to do whatever
293 * fixups are necessary to handle effectively untyped data being
294 * output from the FS.
296 bool untyped_color_outputs
:1;
298 /** gl_FragDepth layout for ARB_conservative_depth. */
299 enum gl_frag_depth_layout depth_layout
:3;
303 uint16_t local_size
[3];
304 uint16_t max_variable_local_size
;
306 bool local_size_variable
:1;
307 uint8_t user_data_components_amd
:3;
310 * Arrangement of invocations used to calculate derivatives in a compute
311 * shader. From NV_compute_shader_derivatives.
313 enum gl_derivative_group derivative_group
:2;
316 * Size of shared variables accessed by the compute shader.
318 unsigned shared_size
;
322 * AddressingModelLogical: 0 (default)
323 * AddressingModelPhysical32: 32
324 * AddressingModelPhysical64: 64
329 /* Applies to both TCS and TES. */
331 uint16_t primitive_mode
; /* GL_TRIANGLES, GL_QUADS or GL_ISOLINES */
333 /** The number of vertices in the TCS output patch. */
334 uint8_t tcs_vertices_out
;
335 enum gl_tess_spacing spacing
:2;
337 /** Is the vertex order counterclockwise? */
341 /* Bit mask of TCS per-vertex inputs (VS outputs) that are used
342 * with a vertex index that is NOT the invocation id
344 uint64_t tcs_cross_invocation_inputs_read
;
346 /* Bit mask of TCS per-vertex outputs that are used
347 * with a vertex index that is NOT the invocation id
349 uint64_t tcs_cross_invocation_outputs_read
;
358 #endif /* SHADER_INFO_H */