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path: root/src/gallium/winsys/virgl/drm/virgl_hw.h
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/*
 * Copyright 2014, 2015 Red Hat.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * on the rights to use, copy, modify, merge, publish, distribute, sub
 * license, and/or sell copies of the Software, and to permit persons to whom
 * the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice (including the next
 * paragraph) shall be included in all copies or substantial portions of the
 * Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 * USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
#ifndef VIRGL_HW_H
#define VIRGL_HW_H

struct virgl_box {
	uint32_t x, y, z;
	uint32_t w, h, d;
};

/* formats known by the HW device - based on gallium subset */
enum virgl_formats {
   VIRGL_FORMAT_B8G8R8A8_UNORM          = 1,
   VIRGL_FORMAT_B8G8R8X8_UNORM          = 2,
   VIRGL_FORMAT_A8R8G8B8_UNORM          = 3,
   VIRGL_FORMAT_X8R8G8B8_UNORM          = 4,
   VIRGL_FORMAT_B5G5R5A1_UNORM          = 5,
   VIRGL_FORMAT_B4G4R4A4_UNORM          = 6,
   VIRGL_FORMAT_B5G6R5_UNORM            = 7,
   VIRGL_FORMAT_L8_UNORM                = 9,    /**< ubyte luminance */
   VIRGL_FORMAT_A8_UNORM                = 10,   /**< ubyte alpha */
   VIRGL_FORMAT_L8A8_UNORM              = 12,   /**< ubyte alpha, luminance */
   VIRGL_FORMAT_L16_UNORM               = 13,   /**< ushort luminance */

   VIRGL_FORMAT_Z16_UNORM               = 16,
   VIRGL_FORMAT_Z32_UNORM               = 17,
   VIRGL_FORMAT_Z32_FLOAT               = 18,
   VIRGL_FORMAT_Z24_UNORM_S8_UINT       = 19,
   VIRGL_FORMAT_S8_UINT_Z24_UNORM       = 20,
   VIRGL_FORMAT_Z24X8_UNORM             = 21,
   VIRGL_FORMAT_S8_UINT                 = 23,   /**< ubyte stencil */

   VIRGL_FORMAT_R32_FLOAT               = 28,
   VIRGL_FORMAT_R32G32_FLOAT            = 29,
   VIRGL_FORMAT_R32G32B32_FLOAT         = 30,
   VIRGL_FORMAT_R32G32B32A32_FLOAT      = 31,

   VIRGL_FORMAT_R16_UNORM               = 48,
   VIRGL_FORMAT_R16G16_UNORM            = 49,

   VIRGL_FORMAT_R16G16B16A16_UNORM      = 51,

   VIRGL_FORMAT_R16_SNORM               = 56,
   VIRGL_FORMAT_R16G16_SNORM            = 57,
   VIRGL_FORMAT_R16G16B16A16_SNORM      = 59,

   VIRGL_FORMAT_R8_UNORM                = 64,
   VIRGL_FORMAT_R8G8_UNORM              = 65,

   VIRGL_FORMAT_R8G8B8A8_UNORM          = 67,

   VIRGL_FORMAT_R8_SNORM                = 74,
   VIRGL_FORMAT_R8G8_SNORM              = 75,
   VIRGL_FORMAT_R8G8B8_SNORM            = 76,
   VIRGL_FORMAT_R8G8B8A8_SNORM          = 77,

   VIRGL_FORMAT_R16_FLOAT               = 91,
   VIRGL_FORMAT_R16G16_FLOAT            = 92,
   VIRGL_FORMAT_R16G16B16_FLOAT         = 93,
   VIRGL_FORMAT_R16G16B16A16_FLOAT      = 94,

   VIRGL_FORMAT_L8_SRGB                 = 95,
   VIRGL_FORMAT_L8A8_SRGB               = 96,
   VIRGL_FORMAT_B8G8R8A8_SRGB           = 100,
   VIRGL_FORMAT_B8G8R8X8_SRGB           = 101,

   /* compressed formats */
   VIRGL_FORMAT_DXT1_RGB                = 105,
   VIRGL_FORMAT_DXT1_RGBA               = 106,
   VIRGL_FORMAT_DXT3_RGBA               = 107,
   VIRGL_FORMAT_DXT5_RGBA               = 108,

   /* sRGB, compressed */
   VIRGL_FORMAT_DXT1_SRGB               = 109,
   VIRGL_FORMAT_DXT1_SRGBA              = 110,
   VIRGL_FORMAT_DXT3_SRGBA              = 111,
   VIRGL_FORMAT_DXT5_SRGBA              = 112,

   /* rgtc compressed */
   VIRGL_FORMAT_RGTC1_UNORM             = 113,
   VIRGL_FORMAT_RGTC1_SNORM             = 114,
   VIRGL_FORMAT_RGTC2_UNORM             = 115,
   VIRGL_FORMAT_RGTC2_SNORM             = 116,

   VIRGL_FORMAT_A8B8G8R8_UNORM          = 121,
   VIRGL_FORMAT_B5G5R5X1_UNORM          = 122,
   VIRGL_FORMAT_R11G11B10_FLOAT         = 124,
   VIRGL_FORMAT_R9G9B9E5_FLOAT          = 125,
   VIRGL_FORMAT_Z32_FLOAT_S8X24_UINT    = 126,

   VIRGL_FORMAT_B10G10R10A2_UNORM       = 131,
   VIRGL_FORMAT_R8G8B8X8_UNORM          = 134,
   VIRGL_FORMAT_B4G4R4X4_UNORM          = 135,
   VIRGL_FORMAT_B2G3R3_UNORM            = 139,

   VIRGL_FORMAT_L16A16_UNORM            = 140,
   VIRGL_FORMAT_A16_UNORM               = 141,

   VIRGL_FORMAT_A8_SNORM                = 147,
   VIRGL_FORMAT_L8_SNORM                = 148,
   VIRGL_FORMAT_L8A8_SNORM              = 149,

   VIRGL_FORMAT_A16_SNORM               = 151,
   VIRGL_FORMAT_L16_SNORM               = 152,
   VIRGL_FORMAT_L16A16_SNORM            = 153,

   VIRGL_FORMAT_A16_FLOAT               = 155,
   VIRGL_FORMAT_L16_FLOAT               = 156,
   VIRGL_FORMAT_L16A16_FLOAT            = 157,

   VIRGL_FORMAT_A32_FLOAT               = 159,
   VIRGL_FORMAT_L32_FLOAT               = 160,
   VIRGL_FORMAT_L32A32_FLOAT            = 161,

   VIRGL_FORMAT_R8_UINT                 = 177,
   VIRGL_FORMAT_R8G8_UINT               = 178,
   VIRGL_FORMAT_R8G8B8_UINT             = 179,
   VIRGL_FORMAT_R8G8B8A8_UINT           = 180,

   VIRGL_FORMAT_R8_SINT                 = 181,
   VIRGL_FORMAT_R8G8_SINT               = 182,
   VIRGL_FORMAT_R8G8B8_SINT             = 183,
   VIRGL_FORMAT_R8G8B8A8_SINT           = 184,

   VIRGL_FORMAT_R16_UINT                = 185,
   VIRGL_FORMAT_R16G16_UINT             = 186,
   VIRGL_FORMAT_R16G16B16_UINT          = 187,
   VIRGL_FORMAT_R16G16B16A16_UINT       = 188,

   VIRGL_FORMAT_R16_SINT                = 189,
   VIRGL_FORMAT_R16G16_SINT             = 190,
   VIRGL_FORMAT_R16G16B16_SINT          = 191,
   VIRGL_FORMAT_R16G16B16A16_SINT       = 192,
   VIRGL_FORMAT_R32_UINT                = 193,
   VIRGL_FORMAT_R32G32_UINT             = 194,
   VIRGL_FORMAT_R32G32B32_UINT          = 195,
   VIRGL_FORMAT_R32G32B32A32_UINT       = 196,

   VIRGL_FORMAT_R32_SINT                = 197,
   VIRGL_FORMAT_R32G32_SINT             = 198,
   VIRGL_FORMAT_R32G32B32_SINT          = 199,
   VIRGL_FORMAT_R32G32B32A32_SINT       = 200,

   VIRGL_FORMAT_A8_UINT                 = 201,
   VIRGL_FORMAT_L8_UINT                 = 203,
   VIRGL_FORMAT_L8A8_UINT               = 204,

   VIRGL_FORMAT_A8_SINT                 = 205,
   VIRGL_FORMAT_L8_SINT                 = 207,
   VIRGL_FORMAT_L8A8_SINT               = 208,

   VIRGL_FORMAT_A16_UINT                = 209,
   VIRGL_FORMAT_L16_UINT                = 211,
   VIRGL_FORMAT_L16A16_UINT             = 212,

   VIRGL_FORMAT_A16_SINT                = 213,
   VIRGL_FORMAT_L16_SINT                = 215,
   VIRGL_FORMAT_L16A16_SINT             = 216,

   VIRGL_FORMAT_A32_UINT                = 217,
   VIRGL_FORMAT_L32_UINT                = 219,
   VIRGL_FORMAT_L32A32_UINT             = 220,

   VIRGL_FORMAT_A32_SINT                = 221,
   VIRGL_FORMAT_L32_SINT                = 223,
   VIRGL_FORMAT_L32A32_SINT             = 224,

   VIRGL_FORMAT_B10G10R10A2_UINT        = 225, 
   VIRGL_FORMAT_R8G8B8X8_SNORM          = 229,

   VIRGL_FORMAT_R8G8B8X8_SRGB           = 230,

   VIRGL_FORMAT_B10G10R10X2_UNORM       = 233,
   VIRGL_FORMAT_R16G16B16X16_UNORM      = 234,
   VIRGL_FORMAT_R16G16B16X16_SNORM      = 235,
   VIRGL_FORMAT_MAX,
};

#define VIRGL_BIND_DEPTH_STENCIL (1 << 0)
#define VIRGL_BIND_RENDER_TARGET (1 << 1)
#define VIRGL_BIND_SAMPLER_VIEW  (1 << 3)
#define VIRGL_BIND_VERTEX_BUFFER (1 << 4)
#define VIRGL_BIND_INDEX_BUFFER  (1 << 5)
#define VIRGL_BIND_CONSTANT_BUFFER (1 << 6)
#define VIRGL_BIND_DISPLAY_TARGET (1 << 7)
#define VIRGL_BIND_STREAM_OUTPUT (1 << 11)
#define VIRGL_BIND_CURSOR        (1 << 16)
#define VIRGL_BIND_CUSTOM        (1 << 17)
#define VIRGL_BIND_SCANOUT       (1 << 18)

struct virgl_caps_bool_set1 {
        unsigned indep_blend_enable:1;
        unsigned indep_blend_func:1;
        unsigned cube_map_array:1;
        unsigned shader_stencil_export:1;
        unsigned conditional_render:1;
        unsigned start_instance:1;
        unsigned primitive_restart:1;
        unsigned blend_eq_sep:1;
        unsigned instanceid:1;
        unsigned vertex_element_instance_divisor:1;
        unsigned seamless_cube_map:1;
        unsigned occlusion_query:1;
        unsigned timer_query:1;
        unsigned streamout_pause_resume:1;
        unsigned texture_multisample:1;
        unsigned fragment_coord_conventions:1;
        unsigned depth_clip_disable:1;
        unsigned seamless_cube_map_per_texture:1;
        unsigned ubo:1;
        unsigned color_clamping:1; /* not in GL 3.1 core profile */
        unsigned poly_stipple:1; /* not in GL 3.1 core profile */
        unsigned mirror_clamp:1;
        unsigned texture_query_lod:1;
};

/* endless expansion capabilites - current gallium has 252 formats */
struct virgl_supported_format_mask {
        uint32_t bitmask[16];
};
/* capabilities set 2 - version 1 - 32-bit and float values */
struct virgl_caps_v1 {
        uint32_t max_version;
        struct virgl_supported_format_mask sampler;
        struct virgl_supported_format_mask render;
        struct virgl_supported_format_mask depthstencil;
        struct virgl_supported_format_mask vertexbuffer;
        struct virgl_caps_bool_set1 bset;
        uint32_t glsl_level;
        uint32_t max_texture_array_layers;
        uint32_t max_streamout_buffers;
        uint32_t max_dual_source_render_targets;
        uint32_t max_render_targets;
        uint32_t max_samples;
        uint32_t prim_mask;
        uint32_t max_tbo_size;
        uint32_t max_uniform_blocks;
        uint32_t max_viewports;
        uint32_t max_texture_gather_components;
};

union virgl_caps {
        uint32_t max_version;
        struct virgl_caps_v1 v1;
};

enum virgl_errors {
        VIRGL_ERROR_NONE,
        VIRGL_ERROR_UNKNOWN,
        VIRGL_ERROR_UNKNOWN_RESOURCE_FORMAT,
};

enum virgl_ctx_errors {
        VIRGL_ERROR_CTX_NONE,
        VIRGL_ERROR_CTX_UNKNOWN,
        VIRGL_ERROR_CTX_ILLEGAL_SHADER,
        VIRGL_ERROR_CTX_ILLEGAL_HANDLE,
        VIRGL_ERROR_CTX_ILLEGAL_RESOURCE,
        VIRGL_ERROR_CTX_ILLEGAL_SURFACE,
        VIRGL_ERROR_CTX_ILLEGAL_VERTEX_FORMAT,
        VIRGL_ERROR_CTX_ILLEGAL_CMD_BUFFER,
};


#define VIRGL_RESOURCE_Y_0_TOP (1 << 0)
#endif