src/virgl_protocol.h

#ifndef GRAW_PROTOCOL_H
#define GRAW_PROTOCOL_H

#define VIRGL_QUERY_STATE_NEW 0
#define VIRGL_QUERY_STATE_DONE 1
#define VIRGL_QUERY_STATE_WAIT_HOST 2

struct virgl_host_query_state {
   uint32_t query_state;
   uint32_t result_size;
   uint64_t result;
};

enum virgl_object_type {
   VIRGL_OBJECT_NULL,
   VIRGL_OBJECT_BLEND,
   VIRGL_OBJECT_RASTERIZER,
   VIRGL_OBJECT_DSA,
   VIRGL_OBJECT_VS,
   VIRGL_OBJECT_FS,
   VIRGL_OBJECT_VERTEX_ELEMENTS,
   VIRGL_OBJECT_SAMPLER_VIEW,
   VIRGL_OBJECT_SAMPLER_STATE,
   VIRGL_OBJECT_SURFACE,
   VIRGL_OBJECT_QUERY,
   VIRGL_OBJECT_STREAMOUT_TARGET,
   VIRGL_MAX_OBJECTS,
};

/* context cmds to be encoded in the command stream */
enum virgl_context_cmd {
   VIRGL_CCMD_NOP = 0,
   VIRGL_CCMD_CREATE_OBJECT = 1,
   VIRGL_CCMD_BIND_OBJECT,
   VIRGL_CCMD_DESTROY_OBJECT,
   VIRGL_CCMD_SET_VIEWPORT_STATE,
   VIRGL_CCMD_SET_FRAMEBUFFER_STATE,
   VIRGL_CCMD_SET_VERTEX_BUFFERS,
   VIRGL_CCMD_CLEAR,
   VIRGL_CCMD_DRAW_VBO,
   VIRGL_CCMD_RESOURCE_INLINE_WRITE,
   VIRGL_CCMD_SET_SAMPLER_VIEWS,
   VIRGL_CCMD_SET_INDEX_BUFFER,
   VIRGL_CCMD_SET_CONSTANT_BUFFER,
   VIRGL_CCMD_SET_STENCIL_REF,
   VIRGL_CCMD_SET_BLEND_COLOR,
   VIRGL_CCMD_SET_SCISSOR_STATE,
   VIRGL_CCMD_BLIT,
   VIRGL_CCMD_RESOURCE_COPY_REGION,
   VIRGL_CCMD_BIND_SAMPLER_STATES,
   VIRGL_CCMD_BEGIN_QUERY,
   VIRGL_CCMD_END_QUERY,
   VIRGL_CCMD_GET_QUERY_RESULT,
   VIRGL_CCMD_SET_POLYGON_STIPPLE,
   VIRGL_CCMD_SET_CLIP_STATE,
   VIRGL_CCMD_SET_SAMPLE_MASK,
   VIRGL_CCMD_SET_STREAMOUT_TARGETS,
   VIRGL_CCMD_SET_QUERY_STATE,
   VIRGL_CCMD_SET_RENDER_CONDITION,
};

/* 
 8-bit cmd headers
 8-bit object type
 16-bit length
*/

#define VIRGL_CMD0(cmd, obj, len) ((cmd) | ((obj) << 8) | ((len) << 16))

#endif