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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
;
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 /** Bitfield of which textures are used */
138 uint32_t textures_used
;
140 /** Bitfield of which textures are used by texelFetch() */
141 uint32_t textures_used_by_txf
;
143 /* SPV_KHR_float_controls: execution mode for floating point ops */
144 uint16_t float_controls_execution_mode
;
146 /* The size of the gl_ClipDistance[] array, if declared. */
147 uint8_t clip_distance_array_size
:4;
149 /* The size of the gl_CullDistance[] array, if declared. */
150 uint8_t cull_distance_array_size
:4;
152 /* Whether or not this shader ever uses textureGather() */
153 bool uses_texture_gather
:1;
156 * True if this shader uses the fddx/fddy opcodes.
158 * Note that this does not include the "fine" and "coarse" variants.
160 bool uses_fddx_fddy
:1;
163 * True if this shader uses 64-bit ALU operations
167 /* Whether the first UBO is the default uniform buffer, i.e. uniforms. */
168 bool first_ubo_is_default_ubo
:1;
170 /* Whether or not separate shader objects were used */
171 bool separate_shader
:1;
173 /** Was this shader linked with any transform feedback varyings? */
174 bool has_transform_feedback_varyings
:1;
176 /* Whether flrp has been lowered. */
181 /* Which inputs are doubles */
182 uint64_t double_inputs
;
184 /* For AMD-specific driver-internal shaders. It replaces vertex
185 * buffer loads with code generating VS inputs from scalar registers.
187 * Valid values: SI_VS_BLIT_SGPRS_POS_*
189 uint8_t blit_sgprs_amd
:4;
191 /* True if the shader writes position in window space coordinates pre-transform */
192 bool window_space_position
:1;
196 /** The output primitive type (GL enum value) */
197 uint16_t output_primitive
;
199 /** The input primitive type (GL enum value) */
200 uint16_t input_primitive
;
202 /** The maximum number of vertices the geometry shader might write. */
203 uint16_t vertices_out
;
205 /** 1 .. MAX_GEOMETRY_SHADER_INVOCATIONS */
208 /** The number of vertices recieves per input primitive (max. 6) */
209 uint8_t vertices_in
:3;
211 /** Whether or not this shader uses EndPrimitive */
212 bool uses_end_primitive
:1;
214 /** Whether or not this shader uses non-zero streams */
222 * True if this fragment shader requires helper invocations. This
223 * can be caused by the use of ALU derivative ops, texture
224 * instructions which do implicit derivatives, and the use of quad
225 * subgroup operations.
227 bool needs_helper_invocations
:1;
230 * Whether any inputs are declared with the "sample" qualifier.
232 bool uses_sample_qualifier
:1;
235 * Whether early fragment tests are enabled as defined by
236 * ARB_shader_image_load_store.
238 bool early_fragment_tests
:1;
241 * Defined by INTEL_conservative_rasterization.
243 bool inner_coverage
:1;
245 bool post_depth_coverage
:1;
248 * \name ARB_fragment_coord_conventions
251 bool pixel_center_integer
:1;
252 bool origin_upper_left
:1;
255 bool pixel_interlock_ordered
:1;
256 bool pixel_interlock_unordered
:1;
257 bool sample_interlock_ordered
:1;
258 bool sample_interlock_unordered
:1;
261 * Flags whether NIR's base types on the FS color outputs should be
264 * GLSL requires that fragment shader output base types match the
265 * render target's base types for the behavior to be defined. From
268 * "If the values written by the fragment shader do not match the
269 * format(s) of the corresponding color buffer(s), the result is
272 * However, for NIR shaders translated from TGSI, we don't have the
273 * output types any more, so the driver will need to do whatever
274 * fixups are necessary to handle effectively untyped data being
275 * output from the FS.
277 bool untyped_color_outputs
:1;
279 /** gl_FragDepth layout for ARB_conservative_depth. */
280 enum gl_frag_depth_layout depth_layout
:3;
284 uint16_t local_size
[3];
286 bool local_size_variable
:1;
287 uint8_t user_data_components_amd
:3;
290 * Arrangement of invocations used to calculate derivatives in a compute
291 * shader. From NV_compute_shader_derivatives.
293 enum gl_derivative_group derivative_group
:2;
296 * Size of shared variables accessed by the compute shader.
298 unsigned shared_size
;
302 * AddressingModelLogical: 0 (default)
303 * AddressingModelPhysical32: 32
304 * AddressingModelPhysical64: 64
309 /* Applies to both TCS and TES. */
311 uint16_t primitive_mode
; /* GL_TRIANGLES, GL_QUADS or GL_ISOLINES */
313 /** The number of vertices in the TCS output patch. */
314 uint8_t tcs_vertices_out
;
315 enum gl_tess_spacing spacing
:2;
317 /** Is the vertex order counterclockwise? */
328 #endif /* SHADER_INFO_H */