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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
;
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
;
59 bool physical_storage_buffer_address
;
60 bool post_depth_coverage
;
61 bool runtime_descriptor_array
;
64 bool shader_viewport_index_layer
;
68 bool storage_image_ms
;
69 bool subgroup_arithmetic
;
73 bool subgroup_shuffle
;
76 bool transform_feedback
;
77 bool variable_pointers
;
79 bool vk_memory_model_device_scope
;
82 bool amd_shader_ballot
;
83 bool amd_trinary_minmax
;
86 typedef struct shader_info
{
89 /* Descriptive name provided by the client; may be NULL */
92 /** The shader stage, such as MESA_SHADER_VERTEX. */
93 gl_shader_stage stage
:8;
95 /** The shader stage in a non SSO linked program that follows this stage,
96 * such as MESA_SHADER_FRAGMENT.
98 gl_shader_stage next_stage
:8;
100 /* Number of textures used by this shader */
101 uint8_t num_textures
;
102 /* Number of uniform buffers used by this shader */
104 /* Number of atomic buffers used by this shader */
106 /* Number of shader storage buffers used by this shader */
108 /* Number of images used by this shader */
110 /* Index of the last MSAA image. */
111 int8_t last_msaa_image
;
113 /* Which inputs are actually read */
114 uint64_t inputs_read
;
115 /* Which outputs are actually written */
116 uint64_t outputs_written
;
117 /* Which outputs are actually read */
118 uint64_t outputs_read
;
119 /* Which system values are actually read */
120 uint64_t system_values_read
;
122 /* Which patch inputs are actually read */
123 uint32_t patch_inputs_read
;
124 /* Which patch outputs are actually written */
125 uint32_t patch_outputs_written
;
126 /* Which patch outputs are read */
127 uint32_t patch_outputs_read
;
129 /** Bitfield of which textures are used */
130 uint32_t textures_used
;
132 /** Bitfield of which textures are used by texelFetch() */
133 uint32_t textures_used_by_txf
;
135 /* SPV_KHR_float_controls: execution mode for floating point ops */
136 uint16_t float_controls_execution_mode
;
138 /* The size of the gl_ClipDistance[] array, if declared. */
139 uint8_t clip_distance_array_size
:4;
141 /* The size of the gl_CullDistance[] array, if declared. */
142 uint8_t cull_distance_array_size
:4;
144 /* Whether or not this shader ever uses textureGather() */
145 bool uses_texture_gather
:1;
148 * True if this shader uses the fddx/fddy opcodes.
150 * Note that this does not include the "fine" and "coarse" variants.
152 bool uses_fddx_fddy
:1;
155 * True if this shader uses 64-bit ALU operations
159 /* Whether the first UBO is the default uniform buffer, i.e. uniforms. */
160 bool first_ubo_is_default_ubo
:1;
162 /* Whether or not separate shader objects were used */
163 bool separate_shader
:1;
165 /** Was this shader linked with any transform feedback varyings? */
166 bool has_transform_feedback_varyings
:1;
168 /* Whether flrp has been lowered. */
173 /* Which inputs are doubles */
174 uint64_t double_inputs
;
176 /* For AMD-specific driver-internal shaders. It replaces vertex
177 * buffer loads with code generating VS inputs from scalar registers.
179 * Valid values: SI_VS_BLIT_SGPRS_POS_*
181 uint8_t blit_sgprs_amd
:4;
183 /* True if the shader writes position in window space coordinates pre-transform */
184 bool window_space_position
:1;
188 /** The output primitive type (GL enum value) */
189 uint16_t output_primitive
;
191 /** The input primitive type (GL enum value) */
192 uint16_t input_primitive
;
194 /** The maximum number of vertices the geometry shader might write. */
195 uint16_t vertices_out
;
197 /** 1 .. MAX_GEOMETRY_SHADER_INVOCATIONS */
200 /** The number of vertices recieves per input primitive (max. 6) */
201 uint8_t vertices_in
:3;
203 /** Whether or not this shader uses EndPrimitive */
204 bool uses_end_primitive
:1;
206 /** Whether or not this shader uses non-zero streams */
214 * True if this fragment shader requires helper invocations. This
215 * can be caused by the use of ALU derivative ops, texture
216 * instructions which do implicit derivatives, and the use of quad
217 * subgroup operations.
219 bool needs_helper_invocations
:1;
222 * Whether any inputs are declared with the "sample" qualifier.
224 bool uses_sample_qualifier
:1;
227 * Whether early fragment tests are enabled as defined by
228 * ARB_shader_image_load_store.
230 bool early_fragment_tests
:1;
233 * Defined by INTEL_conservative_rasterization.
235 bool inner_coverage
:1;
237 bool post_depth_coverage
:1;
240 * \name ARB_fragment_coord_conventions
243 bool pixel_center_integer
:1;
244 bool origin_upper_left
:1;
247 bool pixel_interlock_ordered
:1;
248 bool pixel_interlock_unordered
:1;
249 bool sample_interlock_ordered
:1;
250 bool sample_interlock_unordered
:1;
253 * Flags whether NIR's base types on the FS color outputs should be
256 * GLSL requires that fragment shader output base types match the
257 * render target's base types for the behavior to be defined. From
260 * "If the values written by the fragment shader do not match the
261 * format(s) of the corresponding color buffer(s), the result is
264 * However, for NIR shaders translated from TGSI, we don't have the
265 * output types any more, so the driver will need to do whatever
266 * fixups are necessary to handle effectively untyped data being
267 * output from the FS.
269 bool untyped_color_outputs
:1;
271 /** gl_FragDepth layout for ARB_conservative_depth. */
272 enum gl_frag_depth_layout depth_layout
:3;
276 uint16_t local_size
[3];
278 bool local_size_variable
:1;
279 uint8_t user_data_components_amd
:3;
282 * Arrangement of invocations used to calculate derivatives in a compute
283 * shader. From NV_compute_shader_derivatives.
285 enum gl_derivative_group derivative_group
:2;
288 * Size of shared variables accessed by the compute shader.
290 unsigned shared_size
;
294 * AddressingModelLogical: 0 (default)
295 * AddressingModelPhysical32: 32
296 * AddressingModelPhysical64: 64
301 /* Applies to both TCS and TES. */
303 uint16_t primitive_mode
; /* GL_TRIANGLES, GL_QUADS or GL_ISOLINES */
305 /** The number of vertices in the TCS output patch. */
306 uint8_t tcs_vertices_out
;
307 enum gl_tess_spacing spacing
:2;
309 /** Is the vertex order counterclockwise? */
320 #endif /* SHADER_INFO_H */