2 * Copyright 2014, 2015 Red Hat.
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 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the 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 NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE.
33 /* formats known by the HW device - based on gallium subset */
35 VIRGL_FORMAT_B8G8R8A8_UNORM
= 1,
36 VIRGL_FORMAT_B8G8R8X8_UNORM
= 2,
37 VIRGL_FORMAT_A8R8G8B8_UNORM
= 3,
38 VIRGL_FORMAT_X8R8G8B8_UNORM
= 4,
39 VIRGL_FORMAT_B5G5R5A1_UNORM
= 5,
40 VIRGL_FORMAT_B4G4R4A4_UNORM
= 6,
41 VIRGL_FORMAT_B5G6R5_UNORM
= 7,
42 VIRGL_FORMAT_R10G10B10A2_UNORM
= 8,
43 VIRGL_FORMAT_L8_UNORM
= 9, /**< ubyte luminance */
44 VIRGL_FORMAT_A8_UNORM
= 10, /**< ubyte alpha */
45 VIRGL_FORMAT_L8A8_UNORM
= 12, /**< ubyte alpha, luminance */
46 VIRGL_FORMAT_L16_UNORM
= 13, /**< ushort luminance */
48 VIRGL_FORMAT_Z16_UNORM
= 16,
49 VIRGL_FORMAT_Z32_UNORM
= 17,
50 VIRGL_FORMAT_Z32_FLOAT
= 18,
51 VIRGL_FORMAT_Z24_UNORM_S8_UINT
= 19,
52 VIRGL_FORMAT_S8_UINT_Z24_UNORM
= 20,
53 VIRGL_FORMAT_Z24X8_UNORM
= 21,
54 VIRGL_FORMAT_S8_UINT
= 23, /**< ubyte stencil */
56 VIRGL_FORMAT_R32_FLOAT
= 28,
57 VIRGL_FORMAT_R32G32_FLOAT
= 29,
58 VIRGL_FORMAT_R32G32B32_FLOAT
= 30,
59 VIRGL_FORMAT_R32G32B32A32_FLOAT
= 31,
61 VIRGL_FORMAT_R16_UNORM
= 48,
62 VIRGL_FORMAT_R16G16_UNORM
= 49,
64 VIRGL_FORMAT_R16G16B16A16_UNORM
= 51,
66 VIRGL_FORMAT_R16_SNORM
= 56,
67 VIRGL_FORMAT_R16G16_SNORM
= 57,
68 VIRGL_FORMAT_R16G16B16A16_SNORM
= 59,
70 VIRGL_FORMAT_R8_UNORM
= 64,
71 VIRGL_FORMAT_R8G8_UNORM
= 65,
73 VIRGL_FORMAT_R8G8B8A8_UNORM
= 67,
75 VIRGL_FORMAT_R8_SNORM
= 74,
76 VIRGL_FORMAT_R8G8_SNORM
= 75,
77 VIRGL_FORMAT_R8G8B8_SNORM
= 76,
78 VIRGL_FORMAT_R8G8B8A8_SNORM
= 77,
80 VIRGL_FORMAT_R16_FLOAT
= 91,
81 VIRGL_FORMAT_R16G16_FLOAT
= 92,
82 VIRGL_FORMAT_R16G16B16_FLOAT
= 93,
83 VIRGL_FORMAT_R16G16B16A16_FLOAT
= 94,
85 VIRGL_FORMAT_L8_SRGB
= 95,
86 VIRGL_FORMAT_L8A8_SRGB
= 96,
87 VIRGL_FORMAT_B8G8R8A8_SRGB
= 100,
88 VIRGL_FORMAT_B8G8R8X8_SRGB
= 101,
89 VIRGL_FORMAT_R8G8B8A8_SRGB
= 104,
91 /* compressed formats */
92 VIRGL_FORMAT_DXT1_RGB
= 105,
93 VIRGL_FORMAT_DXT1_RGBA
= 106,
94 VIRGL_FORMAT_DXT3_RGBA
= 107,
95 VIRGL_FORMAT_DXT5_RGBA
= 108,
97 /* sRGB, compressed */
98 VIRGL_FORMAT_DXT1_SRGB
= 109,
99 VIRGL_FORMAT_DXT1_SRGBA
= 110,
100 VIRGL_FORMAT_DXT3_SRGBA
= 111,
101 VIRGL_FORMAT_DXT5_SRGBA
= 112,
103 /* rgtc compressed */
104 VIRGL_FORMAT_RGTC1_UNORM
= 113,
105 VIRGL_FORMAT_RGTC1_SNORM
= 114,
106 VIRGL_FORMAT_RGTC2_UNORM
= 115,
107 VIRGL_FORMAT_RGTC2_SNORM
= 116,
109 VIRGL_FORMAT_A8B8G8R8_UNORM
= 121,
110 VIRGL_FORMAT_B5G5R5X1_UNORM
= 122,
111 VIRGL_FORMAT_R11G11B10_FLOAT
= 124,
112 VIRGL_FORMAT_R9G9B9E5_FLOAT
= 125,
113 VIRGL_FORMAT_Z32_FLOAT_S8X24_UINT
= 126,
115 VIRGL_FORMAT_B10G10R10A2_UNORM
= 131,
116 VIRGL_FORMAT_R8G8B8X8_UNORM
= 134,
117 VIRGL_FORMAT_B4G4R4X4_UNORM
= 135,
118 VIRGL_FORMAT_X24S8_UINT
= 136,
119 VIRGL_FORMAT_S8X24_UINT
= 137,
120 VIRGL_FORMAT_B2G3R3_UNORM
= 139,
122 VIRGL_FORMAT_L16A16_UNORM
= 140,
123 VIRGL_FORMAT_A16_UNORM
= 141,
125 VIRGL_FORMAT_A8_SNORM
= 147,
126 VIRGL_FORMAT_L8_SNORM
= 148,
127 VIRGL_FORMAT_L8A8_SNORM
= 149,
129 VIRGL_FORMAT_A16_SNORM
= 151,
130 VIRGL_FORMAT_L16_SNORM
= 152,
131 VIRGL_FORMAT_L16A16_SNORM
= 153,
133 VIRGL_FORMAT_A16_FLOAT
= 155,
134 VIRGL_FORMAT_L16_FLOAT
= 156,
135 VIRGL_FORMAT_L16A16_FLOAT
= 157,
137 VIRGL_FORMAT_A32_FLOAT
= 159,
138 VIRGL_FORMAT_L32_FLOAT
= 160,
139 VIRGL_FORMAT_L32A32_FLOAT
= 161,
141 VIRGL_FORMAT_YV12
= 163,
142 VIRGL_FORMAT_YV16
= 164,
143 VIRGL_FORMAT_IYUV
= 165, /**< aka I420 */
144 VIRGL_FORMAT_NV12
= 166,
145 VIRGL_FORMAT_NV21
= 167,
147 VIRGL_FORMAT_R8_UINT
= 177,
148 VIRGL_FORMAT_R8G8_UINT
= 178,
149 VIRGL_FORMAT_R8G8B8_UINT
= 179,
150 VIRGL_FORMAT_R8G8B8A8_UINT
= 180,
152 VIRGL_FORMAT_R8_SINT
= 181,
153 VIRGL_FORMAT_R8G8_SINT
= 182,
154 VIRGL_FORMAT_R8G8B8_SINT
= 183,
155 VIRGL_FORMAT_R8G8B8A8_SINT
= 184,
157 VIRGL_FORMAT_R16_UINT
= 185,
158 VIRGL_FORMAT_R16G16_UINT
= 186,
159 VIRGL_FORMAT_R16G16B16_UINT
= 187,
160 VIRGL_FORMAT_R16G16B16A16_UINT
= 188,
162 VIRGL_FORMAT_R16_SINT
= 189,
163 VIRGL_FORMAT_R16G16_SINT
= 190,
164 VIRGL_FORMAT_R16G16B16_SINT
= 191,
165 VIRGL_FORMAT_R16G16B16A16_SINT
= 192,
166 VIRGL_FORMAT_R32_UINT
= 193,
167 VIRGL_FORMAT_R32G32_UINT
= 194,
168 VIRGL_FORMAT_R32G32B32_UINT
= 195,
169 VIRGL_FORMAT_R32G32B32A32_UINT
= 196,
171 VIRGL_FORMAT_R32_SINT
= 197,
172 VIRGL_FORMAT_R32G32_SINT
= 198,
173 VIRGL_FORMAT_R32G32B32_SINT
= 199,
174 VIRGL_FORMAT_R32G32B32A32_SINT
= 200,
176 VIRGL_FORMAT_A8_UINT
= 201,
177 VIRGL_FORMAT_L8_UINT
= 203,
178 VIRGL_FORMAT_L8A8_UINT
= 204,
180 VIRGL_FORMAT_A8_SINT
= 205,
181 VIRGL_FORMAT_L8_SINT
= 207,
182 VIRGL_FORMAT_L8A8_SINT
= 208,
184 VIRGL_FORMAT_A16_UINT
= 209,
185 VIRGL_FORMAT_L16_UINT
= 211,
186 VIRGL_FORMAT_L16A16_UINT
= 212,
188 VIRGL_FORMAT_A16_SINT
= 213,
189 VIRGL_FORMAT_L16_SINT
= 215,
190 VIRGL_FORMAT_L16A16_SINT
= 216,
192 VIRGL_FORMAT_A32_UINT
= 217,
193 VIRGL_FORMAT_L32_UINT
= 219,
194 VIRGL_FORMAT_L32A32_UINT
= 220,
196 VIRGL_FORMAT_A32_SINT
= 221,
197 VIRGL_FORMAT_L32_SINT
= 223,
198 VIRGL_FORMAT_L32A32_SINT
= 224,
200 VIRGL_FORMAT_B10G10R10A2_UINT
= 225,
201 VIRGL_FORMAT_R8G8B8X8_SNORM
= 229,
203 VIRGL_FORMAT_R8G8B8X8_SRGB
= 230,
205 VIRGL_FORMAT_R8G8B8X8_UINT
= 231,
206 VIRGL_FORMAT_R8G8B8X8_SINT
= 232,
207 VIRGL_FORMAT_B10G10R10X2_UNORM
= 233,
208 VIRGL_FORMAT_R16G16B16X16_UNORM
= 234,
209 VIRGL_FORMAT_R16G16B16X16_SNORM
= 235,
210 VIRGL_FORMAT_R16G16B16X16_FLOAT
= 236,
211 VIRGL_FORMAT_R16G16B16X16_UINT
= 237,
212 VIRGL_FORMAT_R16G16B16X16_SINT
= 238,
214 VIRGL_FORMAT_R10G10B10A2_UINT
= 253,
216 VIRGL_FORMAT_BPTC_RGBA_UNORM
= 255,
217 VIRGL_FORMAT_BPTC_SRGBA
= 256,
218 VIRGL_FORMAT_BPTC_RGB_FLOAT
= 257,
219 VIRGL_FORMAT_BPTC_RGB_UFLOAT
= 258,
221 VIRGL_FORMAT_R10G10B10X2_UNORM
= 308,
222 VIRGL_FORMAT_A4B4G4R4_UNORM
= 311,
224 VIRGL_FORMAT_R8_SRGB
= 312,
228 /* These are used by the capability_bits field in virgl_caps_v2. */
229 #define VIRGL_CAP_NONE 0
230 #define VIRGL_CAP_TGSI_INVARIANT (1 << 0)
231 #define VIRGL_CAP_TEXTURE_VIEW (1 << 1)
232 #define VIRGL_CAP_SET_MIN_SAMPLES (1 << 2)
233 #define VIRGL_CAP_COPY_IMAGE (1 << 3)
234 #define VIRGL_CAP_TGSI_PRECISE (1 << 4)
235 #define VIRGL_CAP_TXQS (1 << 5)
236 #define VIRGL_CAP_MEMORY_BARRIER (1 << 6)
237 #define VIRGL_CAP_COMPUTE_SHADER (1 << 7)
238 #define VIRGL_CAP_FB_NO_ATTACH (1 << 8)
239 #define VIRGL_CAP_ROBUST_BUFFER_ACCESS (1 << 9)
240 #define VIRGL_CAP_TGSI_FBFETCH (1 << 10)
241 #define VIRGL_CAP_SHADER_CLOCK (1 << 11)
242 #define VIRGL_CAP_TEXTURE_BARRIER (1 << 12)
243 #define VIRGL_CAP_TGSI_COMPONENTS (1 << 13)
244 #define VIRGL_CAP_GUEST_MAY_INIT_LOG (1 << 14)
245 #define VIRGL_CAP_SRGB_WRITE_CONTROL (1 << 15)
246 #define VIRGL_CAP_QBO (1 << 16)
247 #define VIRGL_CAP_TRANSFER (1 << 17)
248 #define VIRGL_CAP_FBO_MIXED_COLOR_FORMATS (1 << 18)
249 #define VIRGL_CAP_FAKE_FP64 (1 << 19)
250 #define VIRGL_CAP_BIND_COMMAND_ARGS (1 << 20)
251 #define VIRGL_CAP_MULTI_DRAW_INDIRECT (1 << 21)
252 #define VIRGL_CAP_INDIRECT_PARAMS (1 << 22)
253 #define VIRGL_CAP_TRANSFORM_FEEDBACK3 (1 << 23)
254 #define VIRGL_CAP_3D_ASTC (1 << 24)
255 #define VIRGL_CAP_INDIRECT_INPUT_ADDR (1 << 25)
256 #define VIRGL_CAP_COPY_TRANSFER (1 << 26)
257 #define VIRGL_CAP_CLIP_HALFZ (1 << 27)
258 #define VIRGL_CAP_APP_TWEAK_SUPPORT (1 << 28)
260 /* virgl bind flags - these are compatible with mesa 10.5 gallium.
261 * but are fixed, no other should be passed to virgl either.
263 #define VIRGL_BIND_DEPTH_STENCIL (1 << 0)
264 #define VIRGL_BIND_RENDER_TARGET (1 << 1)
265 #define VIRGL_BIND_SAMPLER_VIEW (1 << 3)
266 #define VIRGL_BIND_VERTEX_BUFFER (1 << 4)
267 #define VIRGL_BIND_INDEX_BUFFER (1 << 5)
268 #define VIRGL_BIND_CONSTANT_BUFFER (1 << 6)
269 #define VIRGL_BIND_DISPLAY_TARGET (1 << 7)
270 #define VIRGL_BIND_COMMAND_ARGS (1 << 8)
271 #define VIRGL_BIND_STREAM_OUTPUT (1 << 11)
272 #define VIRGL_BIND_SHADER_BUFFER (1 << 14)
273 #define VIRGL_BIND_QUERY_BUFFER (1 << 15)
274 #define VIRGL_BIND_CURSOR (1 << 16)
275 #define VIRGL_BIND_CUSTOM (1 << 17)
276 #define VIRGL_BIND_SCANOUT (1 << 18)
277 /* Used for buffers that are backed by guest storage and
278 * are only read by the host.
280 #define VIRGL_BIND_STAGING (1 << 19)
281 #define VIRGL_BIND_SHARED (1 << 20)
283 struct virgl_caps_bool_set1
{
284 unsigned indep_blend_enable
:1;
285 unsigned indep_blend_func
:1;
286 unsigned cube_map_array
:1;
287 unsigned shader_stencil_export
:1;
288 unsigned conditional_render
:1;
289 unsigned start_instance
:1;
290 unsigned primitive_restart
:1;
291 unsigned blend_eq_sep
:1;
292 unsigned instanceid
:1;
293 unsigned vertex_element_instance_divisor
:1;
294 unsigned seamless_cube_map
:1;
295 unsigned occlusion_query
:1;
296 unsigned timer_query
:1;
297 unsigned streamout_pause_resume
:1;
298 unsigned texture_multisample
:1;
299 unsigned fragment_coord_conventions
:1;
300 unsigned depth_clip_disable
:1;
301 unsigned seamless_cube_map_per_texture
:1;
303 unsigned color_clamping
:1; /* not in GL 3.1 core profile */
304 unsigned poly_stipple
:1; /* not in GL 3.1 core profile */
305 unsigned mirror_clamp
:1;
306 unsigned texture_query_lod
:1;
308 unsigned has_tessellation_shaders
:1;
309 unsigned has_indirect_draw
:1;
310 unsigned has_sample_shading
:1;
312 unsigned conditional_render_inverted
:1;
313 unsigned derivative_control
:1;
314 unsigned polygon_offset_clamp
:1;
315 unsigned transform_feedback_overflow_query
:1;
316 /* DO NOT ADD ANYMORE MEMBERS - need to add another 32-bit to v2 caps */
319 /* endless expansion capabilites - current gallium has 252 formats */
320 struct virgl_supported_format_mask
{
321 uint32_t bitmask
[16];
323 /* capabilities set 2 - version 1 - 32-bit and float values */
324 struct virgl_caps_v1
{
325 uint32_t max_version
;
326 struct virgl_supported_format_mask sampler
;
327 struct virgl_supported_format_mask render
;
328 struct virgl_supported_format_mask depthstencil
;
329 struct virgl_supported_format_mask vertexbuffer
;
330 struct virgl_caps_bool_set1 bset
;
332 uint32_t max_texture_array_layers
;
333 uint32_t max_streamout_buffers
;
334 uint32_t max_dual_source_render_targets
;
335 uint32_t max_render_targets
;
336 uint32_t max_samples
;
338 uint32_t max_tbo_size
;
339 uint32_t max_uniform_blocks
;
340 uint32_t max_viewports
;
341 uint32_t max_texture_gather_components
;
345 * This struct should be growable when used in capset 2,
346 * so we shouldn't have to add a v3 ever.
348 struct virgl_caps_v2
{
349 struct virgl_caps_v1 v1
;
350 float min_aliased_point_size
;
351 float max_aliased_point_size
;
352 float min_smooth_point_size
;
353 float max_smooth_point_size
;
354 float min_aliased_line_width
;
355 float max_aliased_line_width
;
356 float min_smooth_line_width
;
357 float max_smooth_line_width
;
358 float max_texture_lod_bias
;
359 uint32_t max_geom_output_vertices
;
360 uint32_t max_geom_total_output_components
;
361 uint32_t max_vertex_outputs
;
362 uint32_t max_vertex_attribs
;
363 uint32_t max_shader_patch_varyings
;
364 int32_t min_texel_offset
;
365 int32_t max_texel_offset
;
366 int32_t min_texture_gather_offset
;
367 int32_t max_texture_gather_offset
;
368 uint32_t texture_buffer_offset_alignment
;
369 uint32_t uniform_buffer_offset_alignment
;
370 uint32_t shader_buffer_offset_alignment
;
371 uint32_t capability_bits
;
372 uint32_t sample_locations
[8];
373 uint32_t max_vertex_attrib_stride
;
374 uint32_t max_shader_buffer_frag_compute
;
375 uint32_t max_shader_buffer_other_stages
;
376 uint32_t max_shader_image_frag_compute
;
377 uint32_t max_shader_image_other_stages
;
378 uint32_t max_image_samples
;
379 uint32_t max_compute_work_group_invocations
;
380 uint32_t max_compute_shared_memory_size
;
381 uint32_t max_compute_grid_size
[3];
382 uint32_t max_compute_block_size
[3];
383 uint32_t max_texture_2d_size
;
384 uint32_t max_texture_3d_size
;
385 uint32_t max_texture_cube_size
;
386 uint32_t max_combined_shader_buffers
;
387 uint32_t max_atomic_counters
[6];
388 uint32_t max_atomic_counter_buffers
[6];
389 uint32_t max_combined_atomic_counters
;
390 uint32_t max_combined_atomic_counter_buffers
;
391 uint32_t host_feature_check_version
;
392 struct virgl_supported_format_mask supported_readback_formats
;
396 uint32_t max_version
;
397 struct virgl_caps_v1 v1
;
398 struct virgl_caps_v2 v2
;
404 VIRGL_ERROR_UNKNOWN_RESOURCE_FORMAT
,
407 enum virgl_ctx_errors
{
408 VIRGL_ERROR_CTX_NONE
,
409 VIRGL_ERROR_CTX_UNKNOWN
,
410 VIRGL_ERROR_CTX_ILLEGAL_SHADER
,
411 VIRGL_ERROR_CTX_ILLEGAL_HANDLE
,
412 VIRGL_ERROR_CTX_ILLEGAL_RESOURCE
,
413 VIRGL_ERROR_CTX_ILLEGAL_SURFACE
,
414 VIRGL_ERROR_CTX_ILLEGAL_VERTEX_FORMAT
,
415 VIRGL_ERROR_CTX_ILLEGAL_CMD_BUFFER
,
416 VIRGL_ERROR_CTX_GLES_HAVE_TES_BUT_MISS_TCS
,
419 #define VIRGL_RESOURCE_Y_0_TOP (1 << 0)