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16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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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
;
45 bool float32_atomic_add
;
47 bool float64_atomic_add
;
48 bool fragment_shader_sample_interlock
;
49 bool fragment_shader_pixel_interlock
;
50 bool geometry_streams
;
52 bool image_read_without_format
;
53 bool image_write_without_format
;
58 bool integer_functions2
;
63 bool physical_storage_buffer_address
;
64 bool post_depth_coverage
;
65 bool runtime_descriptor_array
;
68 bool shader_viewport_index_layer
;
72 bool storage_image_ms
;
73 bool subgroup_arithmetic
;
77 bool subgroup_shuffle
;
80 bool transform_feedback
;
81 bool variable_pointers
;
83 bool vk_memory_model_device_scope
;
85 bool amd_fragment_mask
;
87 bool amd_shader_ballot
;
88 bool amd_trinary_minmax
;
89 bool amd_image_read_write_lod
;
90 bool amd_shader_explicit_vertex_parameter
;
91 bool amd_image_gather_bias_lod
;
94 typedef struct shader_info
{
97 /* Descriptive name provided by the client; may be NULL */
100 /** The shader stage, such as MESA_SHADER_VERTEX. */
101 gl_shader_stage stage
:8;
103 /** The shader stage in a non SSO linked program that follows this stage,
104 * such as MESA_SHADER_FRAGMENT.
106 gl_shader_stage next_stage
:8;
108 /* Number of textures used by this shader */
109 uint8_t num_textures
;
110 /* Number of uniform buffers used by this shader */
112 /* Number of atomic buffers used by this shader */
114 /* Number of shader storage buffers (max .driver_location + 1) used by this
115 * shader. In the case of nir_lower_atomics_to_ssbo being used, this will
116 * be the number of actual SSBOs in gl_program->info, and the lowered SSBOs
117 * and atomic counters in nir_shader->info.
120 /* Number of images used by this shader */
123 /* Which inputs are actually read */
124 uint64_t inputs_read
;
125 /* Which outputs are actually written */
126 uint64_t outputs_written
;
127 /* Which outputs are actually read */
128 uint64_t outputs_read
;
129 /* Which system values are actually read */
130 uint64_t system_values_read
;
132 /* Which patch inputs are actually read */
133 uint32_t patch_inputs_read
;
134 /* Which patch outputs are actually written */
135 uint32_t patch_outputs_written
;
136 /* Which patch outputs are read */
137 uint32_t patch_outputs_read
;
139 /* Which inputs are read indirectly (subset of inputs_read) */
140 uint64_t inputs_read_indirectly
;
141 /* Which outputs are read or written indirectly */
142 uint64_t outputs_accessed_indirectly
;
143 /* Which patch inputs are read indirectly (subset of patch_inputs_read) */
144 uint64_t patch_inputs_read_indirectly
;
145 /* Which patch outputs are read or written indirectly */
146 uint64_t patch_outputs_accessed_indirectly
;
148 /** Bitfield of which textures are used */
149 uint32_t textures_used
;
151 /** Bitfield of which textures are used by texelFetch() */
152 uint32_t textures_used_by_txf
;
154 /** Bitfield of which images are used */
155 uint32_t images_used
;
156 /** Bitfield of which images are buffers. */
157 uint32_t image_buffers
;
158 /** Bitfield of which images are MSAA. */
159 uint32_t msaa_images
;
161 /* SPV_KHR_float_controls: execution mode for floating point ops */
162 uint16_t float_controls_execution_mode
;
164 /* The size of the gl_ClipDistance[] array, if declared. */
165 uint8_t clip_distance_array_size
:4;
167 /* The size of the gl_CullDistance[] array, if declared. */
168 uint8_t cull_distance_array_size
:4;
170 /* Whether or not this shader ever uses textureGather() */
171 bool uses_texture_gather
:1;
174 * True if this shader uses the fddx/fddy opcodes.
176 * Note that this does not include the "fine" and "coarse" variants.
178 bool uses_fddx_fddy
:1;
181 * True if this shader uses 64-bit ALU operations
185 /* Whether the first UBO is the default uniform buffer, i.e. uniforms. */
186 bool first_ubo_is_default_ubo
:1;
188 /* Whether or not separate shader objects were used */
189 bool separate_shader
:1;
191 /** Was this shader linked with any transform feedback varyings? */
192 bool has_transform_feedback_varyings
:1;
194 /* Whether flrp has been lowered. */
197 /* Whether nir_lower_io has been called to lower derefs.
198 * nir_variables for inputs and outputs might not be present in the IR.
202 /* Whether the shader writes memory, including transform feedback. */
203 bool writes_memory
:1;
205 /* Whether gl_Layer is viewport-relative */
206 bool layer_viewport_relative
:1;
210 /* Which inputs are doubles */
211 uint64_t double_inputs
;
213 /* For AMD-specific driver-internal shaders. It replaces vertex
214 * buffer loads with code generating VS inputs from scalar registers.
216 * Valid values: SI_VS_BLIT_SGPRS_POS_*
218 uint8_t blit_sgprs_amd
:4;
220 /* True if the shader writes position in window space coordinates pre-transform */
221 bool window_space_position
:1;
225 /** The output primitive type (GL enum value) */
226 uint16_t output_primitive
;
228 /** The input primitive type (GL enum value) */
229 uint16_t input_primitive
;
231 /** The maximum number of vertices the geometry shader might write. */
232 uint16_t vertices_out
;
234 /** 1 .. MAX_GEOMETRY_SHADER_INVOCATIONS */
237 /** The number of vertices recieves per input primitive (max. 6) */
238 uint8_t vertices_in
:3;
240 /** Whether or not this shader uses EndPrimitive */
241 bool uses_end_primitive
:1;
243 /** The streams used in this shaders (max. 4) */
244 uint8_t active_stream_mask
:4;
252 * True if this fragment shader requires helper invocations. This
253 * can be caused by the use of ALU derivative ops, texture
254 * instructions which do implicit derivatives, and the use of quad
255 * subgroup operations.
257 bool needs_helper_invocations
:1;
260 * Whether any inputs are declared with the "sample" qualifier.
262 bool uses_sample_qualifier
:1;
265 * Whether early fragment tests are enabled as defined by
266 * ARB_shader_image_load_store.
268 bool early_fragment_tests
:1;
271 * Defined by INTEL_conservative_rasterization.
273 bool inner_coverage
:1;
275 bool post_depth_coverage
:1;
278 * \name ARB_fragment_coord_conventions
281 bool pixel_center_integer
:1;
282 bool origin_upper_left
:1;
285 bool pixel_interlock_ordered
:1;
286 bool pixel_interlock_unordered
:1;
287 bool sample_interlock_ordered
:1;
288 bool sample_interlock_unordered
:1;
291 * Flags whether NIR's base types on the FS color outputs should be
294 * GLSL requires that fragment shader output base types match the
295 * render target's base types for the behavior to be defined. From
298 * "If the values written by the fragment shader do not match the
299 * format(s) of the corresponding color buffer(s), the result is
302 * However, for NIR shaders translated from TGSI, we don't have the
303 * output types any more, so the driver will need to do whatever
304 * fixups are necessary to handle effectively untyped data being
305 * output from the FS.
307 bool untyped_color_outputs
:1;
309 /** gl_FragDepth layout for ARB_conservative_depth. */
310 enum gl_frag_depth_layout depth_layout
:3;
313 * Interpolation qualifiers for drivers that lowers color inputs
316 unsigned color0_interp
:3; /* glsl_interp_mode */
317 bool color0_sample
:1;
318 bool color0_centroid
:1;
319 unsigned color1_interp
:3; /* glsl_interp_mode */
320 bool color1_sample
:1;
321 bool color1_centroid
:1;
325 uint16_t local_size
[3];
327 bool local_size_variable
:1;
328 uint8_t user_data_components_amd
:3;
331 * Arrangement of invocations used to calculate derivatives in a compute
332 * shader. From NV_compute_shader_derivatives.
334 enum gl_derivative_group derivative_group
:2;
337 * Size of shared variables accessed by the compute shader.
339 unsigned shared_size
;
343 * AddressingModelLogical: 0 (default)
344 * AddressingModelPhysical32: 32
345 * AddressingModelPhysical64: 64
350 /* Applies to both TCS and TES. */
352 uint16_t primitive_mode
; /* GL_TRIANGLES, GL_QUADS or GL_ISOLINES */
354 /** The number of vertices in the TCS output patch. */
355 uint8_t tcs_vertices_out
;
356 enum gl_tess_spacing spacing
:2;
358 /** Is the vertex order counterclockwise? */
362 /* Bit mask of TCS per-vertex inputs (VS outputs) that are used
363 * with a vertex index that is NOT the invocation id
365 uint64_t tcs_cross_invocation_inputs_read
;
367 /* Bit mask of TCS per-vertex outputs that are used
368 * with a vertex index that is NOT the invocation id
370 uint64_t tcs_cross_invocation_outputs_read
;
379 #endif /* SHADER_INFO_H */