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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
;
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
;
88 bool amd_image_gather_bias_lod
;
91 typedef struct shader_info
{
94 /* Descriptive name provided by the client; may be NULL */
97 /** The shader stage, such as MESA_SHADER_VERTEX. */
98 gl_shader_stage stage
:8;
100 /** The shader stage in a non SSO linked program that follows this stage,
101 * such as MESA_SHADER_FRAGMENT.
103 gl_shader_stage next_stage
:8;
105 /* Number of textures used by this shader */
106 uint8_t num_textures
;
107 /* Number of uniform buffers used by this shader */
109 /* Number of atomic buffers used by this shader */
111 /* Number of shader storage buffers (max .driver_location + 1) used by this
112 * shader. In the case of nir_lower_atomics_to_ssbo being used, this will
113 * be the number of actual SSBOs in gl_program->info, and the lowered SSBOs
114 * and atomic counters in nir_shader->info.
117 /* Number of images used by this shader */
120 /* Which inputs are actually read */
121 uint64_t inputs_read
;
122 /* Which outputs are actually written */
123 uint64_t outputs_written
;
124 /* Which outputs are actually read */
125 uint64_t outputs_read
;
126 /* Which system values are actually read */
127 uint64_t system_values_read
;
129 /* Which patch inputs are actually read */
130 uint32_t patch_inputs_read
;
131 /* Which patch outputs are actually written */
132 uint32_t patch_outputs_written
;
133 /* Which patch outputs are read */
134 uint32_t patch_outputs_read
;
136 /* Which inputs are read indirectly (subset of inputs_read) */
137 uint64_t inputs_read_indirectly
;
138 /* Which outputs are read or written indirectly */
139 uint64_t outputs_accessed_indirectly
;
140 /* Which patch inputs are read indirectly (subset of patch_inputs_read) */
141 uint64_t patch_inputs_read_indirectly
;
142 /* Which patch outputs are read or written indirectly */
143 uint64_t patch_outputs_accessed_indirectly
;
145 /** Bitfield of which textures are used */
146 uint32_t textures_used
;
148 /** Bitfield of which textures are used by texelFetch() */
149 uint32_t textures_used_by_txf
;
151 /** Bitfield of which images are used */
152 uint32_t images_used
;
153 /** Bitfield of which images are buffers. */
154 uint32_t image_buffers
;
155 /** Bitfield of which images are MSAA. */
156 uint32_t msaa_images
;
158 /* SPV_KHR_float_controls: execution mode for floating point ops */
159 uint16_t float_controls_execution_mode
;
161 /* The size of the gl_ClipDistance[] array, if declared. */
162 uint8_t clip_distance_array_size
:4;
164 /* The size of the gl_CullDistance[] array, if declared. */
165 uint8_t cull_distance_array_size
:4;
167 /* Whether or not this shader ever uses textureGather() */
168 bool uses_texture_gather
:1;
171 * True if this shader uses the fddx/fddy opcodes.
173 * Note that this does not include the "fine" and "coarse" variants.
175 bool uses_fddx_fddy
:1;
178 * True if this shader uses 64-bit ALU operations
182 /* Whether the first UBO is the default uniform buffer, i.e. uniforms. */
183 bool first_ubo_is_default_ubo
:1;
185 /* Whether or not separate shader objects were used */
186 bool separate_shader
:1;
188 /** Was this shader linked with any transform feedback varyings? */
189 bool has_transform_feedback_varyings
:1;
191 /* Whether flrp has been lowered. */
194 /* Whether the shader writes memory, including transform feedback. */
195 bool writes_memory
:1;
197 /* Whether gl_Layer is viewport-relative */
198 bool layer_viewport_relative
:1;
202 /* Which inputs are doubles */
203 uint64_t double_inputs
;
205 /* For AMD-specific driver-internal shaders. It replaces vertex
206 * buffer loads with code generating VS inputs from scalar registers.
208 * Valid values: SI_VS_BLIT_SGPRS_POS_*
210 uint8_t blit_sgprs_amd
:4;
212 /* True if the shader writes position in window space coordinates pre-transform */
213 bool window_space_position
:1;
217 /** The output primitive type (GL enum value) */
218 uint16_t output_primitive
;
220 /** The input primitive type (GL enum value) */
221 uint16_t input_primitive
;
223 /** The maximum number of vertices the geometry shader might write. */
224 uint16_t vertices_out
;
226 /** 1 .. MAX_GEOMETRY_SHADER_INVOCATIONS */
229 /** The number of vertices recieves per input primitive (max. 6) */
230 uint8_t vertices_in
:3;
232 /** Whether or not this shader uses EndPrimitive */
233 bool uses_end_primitive
:1;
235 /** Whether or not this shader uses non-zero streams */
244 * True if this fragment shader requires helper invocations. This
245 * can be caused by the use of ALU derivative ops, texture
246 * instructions which do implicit derivatives, and the use of quad
247 * subgroup operations.
249 bool needs_helper_invocations
:1;
252 * Whether any inputs are declared with the "sample" qualifier.
254 bool uses_sample_qualifier
:1;
257 * Whether early fragment tests are enabled as defined by
258 * ARB_shader_image_load_store.
260 bool early_fragment_tests
:1;
263 * Defined by INTEL_conservative_rasterization.
265 bool inner_coverage
:1;
267 bool post_depth_coverage
:1;
270 * \name ARB_fragment_coord_conventions
273 bool pixel_center_integer
:1;
274 bool origin_upper_left
:1;
277 bool pixel_interlock_ordered
:1;
278 bool pixel_interlock_unordered
:1;
279 bool sample_interlock_ordered
:1;
280 bool sample_interlock_unordered
:1;
283 * Flags whether NIR's base types on the FS color outputs should be
286 * GLSL requires that fragment shader output base types match the
287 * render target's base types for the behavior to be defined. From
290 * "If the values written by the fragment shader do not match the
291 * format(s) of the corresponding color buffer(s), the result is
294 * However, for NIR shaders translated from TGSI, we don't have the
295 * output types any more, so the driver will need to do whatever
296 * fixups are necessary to handle effectively untyped data being
297 * output from the FS.
299 bool untyped_color_outputs
:1;
301 /** gl_FragDepth layout for ARB_conservative_depth. */
302 enum gl_frag_depth_layout depth_layout
:3;
306 uint16_t local_size
[3];
308 bool local_size_variable
:1;
309 uint8_t user_data_components_amd
:3;
312 * Arrangement of invocations used to calculate derivatives in a compute
313 * shader. From NV_compute_shader_derivatives.
315 enum gl_derivative_group derivative_group
:2;
318 * Size of shared variables accessed by the compute shader.
320 unsigned shared_size
;
324 * AddressingModelLogical: 0 (default)
325 * AddressingModelPhysical32: 32
326 * AddressingModelPhysical64: 64
331 /* Applies to both TCS and TES. */
333 uint16_t primitive_mode
; /* GL_TRIANGLES, GL_QUADS or GL_ISOLINES */
335 /** The number of vertices in the TCS output patch. */
336 uint8_t tcs_vertices_out
;
337 enum gl_tess_spacing spacing
:2;
339 /** Is the vertex order counterclockwise? */
343 /* Bit mask of TCS per-vertex inputs (VS outputs) that are used
344 * with a vertex index that is NOT the invocation id
346 uint64_t tcs_cross_invocation_inputs_read
;
348 /* Bit mask of TCS per-vertex outputs that are used
349 * with a vertex index that is NOT the invocation id
351 uint64_t tcs_cross_invocation_outputs_read
;
360 #endif /* SHADER_INFO_H */