/************************************************************************** * * Copyright (C) 2014 Red Hat Inc. * * 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 * the rights to use, copy, modify, merge, publish, distribute, sublicense, * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS 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. * **************************************************************************/ #include #include #include #include #include #include #include "util/u_memory.h" #include "pipe/p_defines.h" #include "pipe/p_state.h" #include "pipe/p_shader_tokens.h" #include "virgl_context.h" #include "virgl_resource.h" #include "vrend_renderer.h" #include "vrend_object.h" #include "tgsi/tgsi_text.h" #include "vrend_debug.h" #include "vrend_tweaks.h" #include "virgl_util.h" /* decode side */ #define DECODE_MAX_TOKENS 8000 struct vrend_decode_ctx { struct virgl_context base; struct vrend_context *grctx; }; static inline uint32_t get_buf_entry(const uint32_t *buf, uint32_t offset) { return buf[offset]; } static inline const void *get_buf_ptr(const uint32_t *buf, uint32_t offset) { return &buf[offset]; } static int vrend_decode_create_shader(struct vrend_context *ctx, const uint32_t *buf, uint32_t handle, uint16_t length) { struct pipe_stream_output_info so_info; uint i; int ret; uint32_t shader_offset, req_local_mem = 0; unsigned num_tokens, num_so_outputs, offlen; const uint8_t *shd_text; uint32_t type; if (length < VIRGL_OBJ_SHADER_HDR_SIZE(0)) return EINVAL; type = get_buf_entry(buf, VIRGL_OBJ_SHADER_TYPE); num_tokens = get_buf_entry(buf, VIRGL_OBJ_SHADER_NUM_TOKENS); offlen = get_buf_entry(buf, VIRGL_OBJ_SHADER_OFFSET); if (type == PIPE_SHADER_COMPUTE) { req_local_mem = get_buf_entry(buf, VIRGL_OBJ_SHADER_SO_NUM_OUTPUTS); num_so_outputs = 0; } else { num_so_outputs = get_buf_entry(buf, VIRGL_OBJ_SHADER_SO_NUM_OUTPUTS); if (length < VIRGL_OBJ_SHADER_HDR_SIZE(num_so_outputs)) return EINVAL; if (num_so_outputs > PIPE_MAX_SO_OUTPUTS) return EINVAL; } shader_offset = 6; if (num_so_outputs) { so_info.num_outputs = num_so_outputs; if (so_info.num_outputs) { for (i = 0; i < 4; i++) so_info.stride[i] = get_buf_entry(buf, VIRGL_OBJ_SHADER_SO_STRIDE(i)); for (i = 0; i < so_info.num_outputs; i++) { uint32_t tmp = get_buf_entry(buf, VIRGL_OBJ_SHADER_SO_OUTPUT0(i)); so_info.output[i].register_index = tmp & 0xff; so_info.output[i].start_component = (tmp >> 8) & 0x3; so_info.output[i].num_components = (tmp >> 10) & 0x7; so_info.output[i].output_buffer = (tmp >> 13) & 0x7; so_info.output[i].dst_offset = (tmp >> 16) & 0xffff; tmp = get_buf_entry(buf, VIRGL_OBJ_SHADER_SO_OUTPUT0_SO(i)); so_info.output[i].stream = (tmp & 0x3); so_info.output[i].need_temp = so_info.output[i].num_components < 4; } for (i = 0; i < so_info.num_outputs - 1; i++) { for (unsigned j = i + 1; j < so_info.num_outputs; j++) { so_info.output[j].need_temp |= (so_info.output[i].register_index == so_info.output[j].register_index); } } } shader_offset += 4 + (2 * num_so_outputs); } else memset(&so_info, 0, sizeof(so_info)); shd_text = get_buf_ptr(buf, shader_offset); ret = vrend_create_shader(ctx, handle, &so_info, req_local_mem, (const char *)shd_text, offlen, num_tokens, type, length - shader_offset + 1); return ret; } static int vrend_decode_create_stream_output_target(struct vrend_context *ctx, const uint32_t *buf, uint32_t handle, uint16_t length) { uint32_t res_handle, buffer_size, buffer_offset; if (length != VIRGL_OBJ_STREAMOUT_SIZE) return EINVAL; res_handle = get_buf_entry(buf, VIRGL_OBJ_STREAMOUT_RES_HANDLE); buffer_offset = get_buf_entry(buf, VIRGL_OBJ_STREAMOUT_BUFFER_OFFSET); buffer_size = get_buf_entry(buf, VIRGL_OBJ_STREAMOUT_BUFFER_SIZE); return vrend_create_so_target(ctx, handle, res_handle, buffer_offset, buffer_size); } static int vrend_decode_set_framebuffer_state(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { if (length < 2) return EINVAL; uint32_t nr_cbufs = get_buf_entry(buf, VIRGL_SET_FRAMEBUFFER_STATE_NR_CBUFS); uint32_t zsurf_handle = get_buf_entry(buf, VIRGL_SET_FRAMEBUFFER_STATE_NR_ZSURF_HANDLE); uint32_t surf_handle[8]; uint32_t i; if (length != (2u + nr_cbufs)) return EINVAL; if (nr_cbufs > 8) return EINVAL; for (i = 0; i < nr_cbufs; i++) surf_handle[i] = get_buf_entry(buf, VIRGL_SET_FRAMEBUFFER_STATE_CBUF_HANDLE(i)); vrend_set_framebuffer_state(ctx, nr_cbufs, surf_handle, zsurf_handle); return 0; } static int vrend_decode_set_framebuffer_state_no_attach(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { uint32_t width, height; uint32_t layers, samples; uint32_t tmp; if (length != VIRGL_SET_FRAMEBUFFER_STATE_NO_ATTACH_SIZE) return EINVAL; tmp = get_buf_entry(buf, VIRGL_SET_FRAMEBUFFER_STATE_NO_ATTACH_WIDTH_HEIGHT); width = VIRGL_SET_FRAMEBUFFER_STATE_NO_ATTACH_WIDTH(tmp); height = VIRGL_SET_FRAMEBUFFER_STATE_NO_ATTACH_HEIGHT(tmp); tmp = get_buf_entry(buf, VIRGL_SET_FRAMEBUFFER_STATE_NO_ATTACH_LAYERS_SAMPLES); layers = VIRGL_SET_FRAMEBUFFER_STATE_NO_ATTACH_LAYERS(tmp); samples = VIRGL_SET_FRAMEBUFFER_STATE_NO_ATTACH_SAMPLES(tmp); vrend_set_framebuffer_state_no_attach(ctx, width, height, layers, samples); return 0; } static int vrend_decode_clear(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { union pipe_color_union color; double depth; unsigned stencil, buffers; int i; if (length != VIRGL_OBJ_CLEAR_SIZE) return EINVAL; buffers = get_buf_entry(buf, VIRGL_OBJ_CLEAR_BUFFERS); for (i = 0; i < 4; i++) color.ui[i] = get_buf_entry(buf, VIRGL_OBJ_CLEAR_COLOR_0 + i); const void *depth_ptr = get_buf_ptr(buf, VIRGL_OBJ_CLEAR_DEPTH_0); memcpy(&depth, depth_ptr, sizeof(double)); stencil = get_buf_entry(buf, VIRGL_OBJ_CLEAR_STENCIL); vrend_clear(ctx, buffers, &color, depth, stencil); return 0; } static int vrend_decode_clear_texture(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { struct pipe_box box; uint32_t handle; uint32_t level; uint32_t arr[4] = {0}; if (length != VIRGL_CLEAR_TEXTURE_SIZE) return EINVAL; handle = get_buf_entry(buf, VIRGL_TEXTURE_HANDLE); level = get_buf_entry(buf, VIRGL_TEXTURE_LEVEL); box.x = get_buf_entry(buf, VIRGL_TEXTURE_SRC_X); box.y = get_buf_entry(buf, VIRGL_TEXTURE_SRC_Y); box.z = get_buf_entry(buf, VIRGL_TEXTURE_SRC_Z); box.width = get_buf_entry(buf, VIRGL_TEXTURE_SRC_W); box.height = get_buf_entry(buf, VIRGL_TEXTURE_SRC_H); box.depth = get_buf_entry(buf, VIRGL_TEXTURE_SRC_D); arr[0] = get_buf_entry(buf, VIRGL_TEXTURE_ARRAY_A); arr[1] = get_buf_entry(buf, VIRGL_TEXTURE_ARRAY_B); arr[2] = get_buf_entry(buf, VIRGL_TEXTURE_ARRAY_C); arr[3] = get_buf_entry(buf, VIRGL_TEXTURE_ARRAY_D); vrend_clear_texture(ctx, handle, level, &box, (void *) &arr); return 0; } static float uif(unsigned int ui) { union { float f; unsigned int ui; } myuif; myuif.ui = ui; return myuif.f; } static int vrend_decode_set_viewport_state(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { struct pipe_viewport_state vps[PIPE_MAX_VIEWPORTS]; uint i, v; uint32_t num_viewports, start_slot; if (length < 1) return EINVAL; if ((length - 1) % 6) return EINVAL; num_viewports = (length - 1) / 6; start_slot = get_buf_entry(buf, VIRGL_SET_VIEWPORT_START_SLOT); if (num_viewports > PIPE_MAX_VIEWPORTS || start_slot > (PIPE_MAX_VIEWPORTS - num_viewports)) return EINVAL; for (v = 0; v < num_viewports; v++) { for (i = 0; i < 3; i++) vps[v].scale[i] = uif(get_buf_entry(buf, VIRGL_SET_VIEWPORT_STATE_SCALE_0(v) + i)); for (i = 0; i < 3; i++) vps[v].translate[i] = uif(get_buf_entry(buf, VIRGL_SET_VIEWPORT_STATE_TRANSLATE_0(v) + i)); } vrend_set_viewport_states(ctx, start_slot, num_viewports, vps); return 0; } static int vrend_decode_set_index_buffer(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { if (length != 1 && length != 3) return EINVAL; vrend_set_index_buffer(ctx, get_buf_entry(buf, VIRGL_SET_INDEX_BUFFER_HANDLE), (length == 3) ? get_buf_entry(buf, VIRGL_SET_INDEX_BUFFER_INDEX_SIZE) : 0, (length == 3) ? get_buf_entry(buf, VIRGL_SET_INDEX_BUFFER_OFFSET) : 0); return 0; } static int vrend_decode_set_constant_buffer(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { uint32_t shader; int nc = (length - 2); if (length < 2) return EINVAL; shader = get_buf_entry(buf, VIRGL_SET_CONSTANT_BUFFER_SHADER_TYPE); /* VIRGL_SET_CONSTANT_BUFFER_INDEX is not used */ if (shader >= PIPE_SHADER_TYPES) return EINVAL; vrend_set_constants(ctx, shader, nc, get_buf_ptr(buf, VIRGL_SET_CONSTANT_BUFFER_DATA_START)); return 0; } static int vrend_decode_set_uniform_buffer(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { if (length != VIRGL_SET_UNIFORM_BUFFER_SIZE) return EINVAL; uint32_t shader = get_buf_entry(buf, VIRGL_SET_UNIFORM_BUFFER_SHADER_TYPE); uint32_t index = get_buf_entry(buf, VIRGL_SET_UNIFORM_BUFFER_INDEX); uint32_t offset = get_buf_entry(buf, VIRGL_SET_UNIFORM_BUFFER_OFFSET); uint32_t blength = get_buf_entry(buf, VIRGL_SET_UNIFORM_BUFFER_LENGTH); uint32_t handle = get_buf_entry(buf, VIRGL_SET_UNIFORM_BUFFER_RES_HANDLE); if (shader >= PIPE_SHADER_TYPES) return EINVAL; if (index >= PIPE_MAX_CONSTANT_BUFFERS) return EINVAL; vrend_set_uniform_buffer(ctx, shader, index, offset, blength, handle); return 0; } static int vrend_decode_set_vertex_buffers(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { int num_vbo; int i; /* must be a multiple of 3 */ if (length && (length % 3)) return EINVAL; num_vbo = (length / 3); if (num_vbo > PIPE_MAX_ATTRIBS) return EINVAL; for (i = 0; i < num_vbo; i++) { vrend_set_single_vbo(ctx, i, get_buf_entry(buf, VIRGL_SET_VERTEX_BUFFER_STRIDE(i)), get_buf_entry(buf, VIRGL_SET_VERTEX_BUFFER_OFFSET(i)), get_buf_entry(buf, VIRGL_SET_VERTEX_BUFFER_HANDLE(i))); } vrend_set_num_vbo(ctx, num_vbo); return 0; } static int vrend_decode_set_sampler_views(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { uint32_t num_samps; uint32_t i; uint32_t shader_type; uint32_t start_slot; if (length < 2) return EINVAL; num_samps = length - 2; shader_type = get_buf_entry(buf, VIRGL_SET_SAMPLER_VIEWS_SHADER_TYPE); start_slot = get_buf_entry(buf, VIRGL_SET_SAMPLER_VIEWS_START_SLOT); if (shader_type >= PIPE_SHADER_TYPES) return EINVAL; if (num_samps > PIPE_MAX_SHADER_SAMPLER_VIEWS || start_slot > (PIPE_MAX_SHADER_SAMPLER_VIEWS - num_samps)) return EINVAL; for (i = 0; i < num_samps; i++) { uint32_t handle = get_buf_entry(buf, VIRGL_SET_SAMPLER_VIEWS_V0_HANDLE + i); vrend_set_single_sampler_view(ctx, shader_type, i + start_slot, handle); } vrend_set_num_sampler_views(ctx, shader_type, start_slot, num_samps); return 0; } static void vrend_decode_transfer_common(const uint32_t *buf, uint32_t *dst_handle, struct vrend_transfer_info *info) { *dst_handle = get_buf_entry(buf, VIRGL_RESOURCE_IW_RES_HANDLE); info->level = get_buf_entry(buf, VIRGL_RESOURCE_IW_LEVEL); info->stride = get_buf_entry(buf, VIRGL_RESOURCE_IW_STRIDE); info->layer_stride = get_buf_entry(buf, VIRGL_RESOURCE_IW_LAYER_STRIDE); info->box->x = get_buf_entry(buf, VIRGL_RESOURCE_IW_X); info->box->y = get_buf_entry(buf, VIRGL_RESOURCE_IW_Y); info->box->z = get_buf_entry(buf, VIRGL_RESOURCE_IW_Z); info->box->width = get_buf_entry(buf, VIRGL_RESOURCE_IW_W); info->box->height = get_buf_entry(buf, VIRGL_RESOURCE_IW_H); info->box->depth = get_buf_entry(buf, VIRGL_RESOURCE_IW_D); } static int vrend_decode_resource_inline_write(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { struct pipe_box box; uint32_t dst_handle; struct vrend_transfer_info info; uint32_t data_len; struct iovec dataiovec; const void *data; if (length < 12) return EINVAL; memset(&info, 0, sizeof(info)); info.box = &box; vrend_decode_transfer_common(buf, &dst_handle, &info); data_len = (length - 11) * 4; data = get_buf_ptr(buf, VIRGL_RESOURCE_IW_DATA_START); info.offset = 0; dataiovec.iov_base = (void*)data; dataiovec.iov_len = data_len; info.iovec = &dataiovec; info.iovec_cnt = 1; return vrend_transfer_inline_write(ctx, dst_handle, &info); } static int vrend_decode_draw_vbo(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { struct pipe_draw_info info; uint32_t cso; uint32_t handle = 0, indirect_draw_count_handle = 0; if (length != VIRGL_DRAW_VBO_SIZE && length != VIRGL_DRAW_VBO_SIZE_TESS && length != VIRGL_DRAW_VBO_SIZE_INDIRECT) return EINVAL; memset(&info, 0, sizeof(struct pipe_draw_info)); info.start = get_buf_entry(buf, VIRGL_DRAW_VBO_START); info.count = get_buf_entry(buf, VIRGL_DRAW_VBO_COUNT); info.mode = get_buf_entry(buf, VIRGL_DRAW_VBO_MODE); info.indexed = !!get_buf_entry(buf, VIRGL_DRAW_VBO_INDEXED); info.instance_count = get_buf_entry(buf, VIRGL_DRAW_VBO_INSTANCE_COUNT); info.index_bias = get_buf_entry(buf, VIRGL_DRAW_VBO_INDEX_BIAS); info.start_instance = get_buf_entry(buf, VIRGL_DRAW_VBO_START_INSTANCE); info.primitive_restart = !!get_buf_entry(buf, VIRGL_DRAW_VBO_PRIMITIVE_RESTART); info.restart_index = get_buf_entry(buf, VIRGL_DRAW_VBO_RESTART_INDEX); info.min_index = get_buf_entry(buf, VIRGL_DRAW_VBO_MIN_INDEX); info.max_index = get_buf_entry(buf, VIRGL_DRAW_VBO_MAX_INDEX); if (length >= VIRGL_DRAW_VBO_SIZE_TESS) { info.vertices_per_patch = get_buf_entry(buf, VIRGL_DRAW_VBO_VERTICES_PER_PATCH); info.drawid = get_buf_entry(buf, VIRGL_DRAW_VBO_DRAWID); } if (length == VIRGL_DRAW_VBO_SIZE_INDIRECT) { handle = get_buf_entry(buf, VIRGL_DRAW_VBO_INDIRECT_HANDLE); info.indirect.offset = get_buf_entry(buf, VIRGL_DRAW_VBO_INDIRECT_OFFSET); info.indirect.stride = get_buf_entry(buf, VIRGL_DRAW_VBO_INDIRECT_STRIDE); info.indirect.draw_count = get_buf_entry(buf, VIRGL_DRAW_VBO_INDIRECT_DRAW_COUNT); info.indirect.indirect_draw_count_offset = get_buf_entry(buf, VIRGL_DRAW_VBO_INDIRECT_DRAW_COUNT_OFFSET); indirect_draw_count_handle = get_buf_entry(buf, VIRGL_DRAW_VBO_INDIRECT_DRAW_COUNT_HANDLE); } cso = get_buf_entry(buf, VIRGL_DRAW_VBO_COUNT_FROM_SO); return vrend_draw_vbo(ctx, &info, cso, handle, indirect_draw_count_handle); } static int vrend_decode_create_blend(struct vrend_context *ctx, const uint32_t *buf, uint32_t handle, uint16_t length) { struct pipe_blend_state *blend_state; uint32_t tmp; int i; if (length != VIRGL_OBJ_BLEND_SIZE) { return EINVAL; } blend_state = CALLOC_STRUCT(pipe_blend_state); if (!blend_state) return ENOMEM; tmp = get_buf_entry(buf, VIRGL_OBJ_BLEND_S0); blend_state->independent_blend_enable = (tmp & 1); blend_state->logicop_enable = (tmp >> 1) & 0x1; blend_state->dither = (tmp >> 2) & 0x1; blend_state->alpha_to_coverage = (tmp >> 3) & 0x1; blend_state->alpha_to_one = (tmp >> 4) & 0x1; tmp = get_buf_entry(buf, VIRGL_OBJ_BLEND_S1); blend_state->logicop_func = tmp & 0xf; for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) { tmp = get_buf_entry(buf, VIRGL_OBJ_BLEND_S2(i)); blend_state->rt[i].blend_enable = tmp & 0x1; blend_state->rt[i].rgb_func = (tmp >> 1) & 0x7; blend_state->rt[i].rgb_src_factor = (tmp >> 4) & 0x1f; blend_state->rt[i].rgb_dst_factor = (tmp >> 9) & 0x1f; blend_state->rt[i].alpha_func = (tmp >> 14) & 0x7; blend_state->rt[i].alpha_src_factor = (tmp >> 17) & 0x1f; blend_state->rt[i].alpha_dst_factor = (tmp >> 22) & 0x1f; blend_state->rt[i].colormask = (tmp >> 27) & 0xf; } tmp = vrend_renderer_object_insert(ctx, blend_state, handle, VIRGL_OBJECT_BLEND); if (tmp == 0) { FREE(blend_state); return ENOMEM; } return 0; } static int vrend_decode_create_dsa(struct vrend_context *ctx, const uint32_t *buf, uint32_t handle, uint16_t length) { int i; struct pipe_depth_stencil_alpha_state *dsa_state; uint32_t tmp; if (length != VIRGL_OBJ_DSA_SIZE) return EINVAL; dsa_state = CALLOC_STRUCT(pipe_depth_stencil_alpha_state); if (!dsa_state) return ENOMEM; tmp = get_buf_entry(buf, VIRGL_OBJ_DSA_S0); dsa_state->depth.enabled = tmp & 0x1; dsa_state->depth.writemask = (tmp >> 1) & 0x1; dsa_state->depth.func = (tmp >> 2) & 0x7; dsa_state->alpha.enabled = (tmp >> 8) & 0x1; dsa_state->alpha.func = (tmp >> 9) & 0x7; for (i = 0; i < 2; i++) { tmp = get_buf_entry(buf, VIRGL_OBJ_DSA_S1 + i); dsa_state->stencil[i].enabled = tmp & 0x1; dsa_state->stencil[i].func = (tmp >> 1) & 0x7; dsa_state->stencil[i].fail_op = (tmp >> 4) & 0x7; dsa_state->stencil[i].zpass_op = (tmp >> 7) & 0x7; dsa_state->stencil[i].zfail_op = (tmp >> 10) & 0x7; dsa_state->stencil[i].valuemask = (tmp >> 13) & 0xff; dsa_state->stencil[i].writemask = (tmp >> 21) & 0xff; } tmp = get_buf_entry(buf, VIRGL_OBJ_DSA_ALPHA_REF); dsa_state->alpha.ref_value = uif(tmp); tmp = vrend_renderer_object_insert(ctx, dsa_state, handle, VIRGL_OBJECT_DSA); if (tmp == 0) { FREE(dsa_state); return ENOMEM; } return 0; } static int vrend_decode_create_rasterizer(struct vrend_context *ctx, const uint32_t *buf, uint32_t handle, uint16_t length) { struct pipe_rasterizer_state *rs_state; uint32_t tmp; if (length != VIRGL_OBJ_RS_SIZE) return EINVAL; rs_state = CALLOC_STRUCT(pipe_rasterizer_state); if (!rs_state) return ENOMEM; tmp = get_buf_entry(buf, VIRGL_OBJ_RS_S0); #define ebit(name, bit) rs_state->name = (tmp >> bit) & 0x1 #define emask(name, bit, mask) rs_state->name = (tmp >> bit) & mask ebit(flatshade, 0); ebit(depth_clip, 1); ebit(clip_halfz, 2); ebit(rasterizer_discard, 3); ebit(flatshade_first, 4); ebit(light_twoside, 5); ebit(sprite_coord_mode, 6); ebit(point_quad_rasterization, 7); emask(cull_face, 8, 0x3); emask(fill_front, 10, 0x3); emask(fill_back, 12, 0x3); ebit(scissor, 14); ebit(front_ccw, 15); ebit(clamp_vertex_color, 16); ebit(clamp_fragment_color, 17); ebit(offset_line, 18); ebit(offset_point, 19); ebit(offset_tri, 20); ebit(poly_smooth, 21); ebit(poly_stipple_enable, 22); ebit(point_smooth, 23); ebit(point_size_per_vertex, 24); ebit(multisample, 25); ebit(line_smooth, 26); ebit(line_stipple_enable, 27); ebit(line_last_pixel, 28); ebit(half_pixel_center, 29); ebit(bottom_edge_rule, 30); ebit(force_persample_interp, 31); rs_state->point_size = uif(get_buf_entry(buf, VIRGL_OBJ_RS_POINT_SIZE)); rs_state->sprite_coord_enable = get_buf_entry(buf, VIRGL_OBJ_RS_SPRITE_COORD_ENABLE); tmp = get_buf_entry(buf, VIRGL_OBJ_RS_S3); emask(line_stipple_pattern, 0, 0xffff); emask(line_stipple_factor, 16, 0xff); emask(clip_plane_enable, 24, 0xff); rs_state->line_width = uif(get_buf_entry(buf, VIRGL_OBJ_RS_LINE_WIDTH)); rs_state->offset_units = uif(get_buf_entry(buf, VIRGL_OBJ_RS_OFFSET_UNITS)); rs_state->offset_scale = uif(get_buf_entry(buf, VIRGL_OBJ_RS_OFFSET_SCALE)); rs_state->offset_clamp = uif(get_buf_entry(buf, VIRGL_OBJ_RS_OFFSET_CLAMP)); tmp = vrend_renderer_object_insert(ctx, rs_state, handle, VIRGL_OBJECT_RASTERIZER); if (tmp == 0) { FREE(rs_state); return ENOMEM; } return 0; } static int vrend_decode_create_surface_common(struct vrend_context *ctx, const uint32_t *buf, uint32_t handle, uint32_t sample_count) { uint32_t res_handle, format, val0, val1; res_handle = get_buf_entry(buf, VIRGL_OBJ_SURFACE_RES_HANDLE); format = get_buf_entry(buf, VIRGL_OBJ_SURFACE_FORMAT); /* decide later if these are texture or buffer */ val0 = get_buf_entry(buf, VIRGL_OBJ_SURFACE_BUFFER_FIRST_ELEMENT); val1 = get_buf_entry(buf, VIRGL_OBJ_SURFACE_BUFFER_LAST_ELEMENT); return vrend_create_surface(ctx, handle, res_handle, format, val0, val1, sample_count); } static int vrend_decode_create_surface(struct vrend_context *ctx, const uint32_t *buf, uint32_t handle, uint16_t length) { if (length != VIRGL_OBJ_SURFACE_SIZE) return EINVAL; return vrend_decode_create_surface_common(ctx, buf, handle, 0); } static int vrend_decode_create_msaa_surface(struct vrend_context *ctx, const uint32_t *buf, uint32_t handle, uint16_t length) { if (length != VIRGL_OBJ_MSAA_SURFACE_SIZE) return EINVAL; uint32_t sample_count = get_buf_entry(buf, VIRGL_OBJ_SURFACE_SAMPLE_COUNT); return vrend_decode_create_surface_common(ctx, buf, handle, sample_count); } static int vrend_decode_create_sampler_view(struct vrend_context *ctx, const uint32_t *buf, uint32_t handle, uint16_t length) { uint32_t res_handle, format, val0, val1, swizzle_packed; if (length != VIRGL_OBJ_SAMPLER_VIEW_SIZE) return EINVAL; res_handle = get_buf_entry(buf, VIRGL_OBJ_SAMPLER_VIEW_RES_HANDLE); format = get_buf_entry(buf, VIRGL_OBJ_SAMPLER_VIEW_FORMAT); val0 = get_buf_entry(buf, VIRGL_OBJ_SAMPLER_VIEW_BUFFER_FIRST_ELEMENT); val1 = get_buf_entry(buf, VIRGL_OBJ_SAMPLER_VIEW_BUFFER_LAST_ELEMENT); swizzle_packed = get_buf_entry(buf, VIRGL_OBJ_SAMPLER_VIEW_SWIZZLE); return vrend_create_sampler_view(ctx, handle, res_handle, format, val0, val1,swizzle_packed); } static int vrend_decode_create_sampler_state(struct vrend_context *ctx, const uint32_t *buf, uint32_t handle, uint16_t length) { struct pipe_sampler_state state; int i; uint32_t tmp; if (length != VIRGL_OBJ_SAMPLER_STATE_SIZE) return EINVAL; tmp = get_buf_entry(buf, VIRGL_OBJ_SAMPLER_STATE_S0); state.wrap_s = tmp & 0x7; state.wrap_t = (tmp >> 3) & 0x7; state.wrap_r = (tmp >> 6) & 0x7; state.min_img_filter = (tmp >> 9) & 0x3; state.min_mip_filter = (tmp >> 11) & 0x3; state.mag_img_filter = (tmp >> 13) & 0x3; state.compare_mode = (tmp >> 15) & 0x1; state.compare_func = (tmp >> 16) & 0x7; state.seamless_cube_map = (tmp >> 19) & 0x1; state.max_anisotropy = (float)((tmp >> 20) & 0x3f); state.lod_bias = uif(get_buf_entry(buf, VIRGL_OBJ_SAMPLER_STATE_LOD_BIAS)); state.min_lod = uif(get_buf_entry(buf, VIRGL_OBJ_SAMPLER_STATE_MIN_LOD)); state.max_lod = uif(get_buf_entry(buf, VIRGL_OBJ_SAMPLER_STATE_MAX_LOD)); for (i = 0; i < 4; i++) state.border_color.ui[i] = get_buf_entry(buf, VIRGL_OBJ_SAMPLER_STATE_BORDER_COLOR(i)); if (state.min_mip_filter != PIPE_TEX_MIPFILTER_NONE && state.min_mip_filter != PIPE_TEX_MIPFILTER_LINEAR && state.min_mip_filter != PIPE_TEX_MIPFILTER_NEAREST) return EINVAL; return vrend_create_sampler_state(ctx, handle, &state); } static int vrend_decode_create_ve(struct vrend_context *ctx, const uint32_t *buf, uint32_t handle, uint16_t length) { struct pipe_vertex_element *ve = NULL; int num_elements; int i; int ret; if (length < 1) return EINVAL; if ((length - 1) % 4) return EINVAL; num_elements = (length - 1) / 4; if (num_elements) { ve = calloc(num_elements, sizeof(struct pipe_vertex_element)); if (!ve) return ENOMEM; for (i = 0; i < num_elements; i++) { ve[i].src_offset = get_buf_entry(buf, VIRGL_OBJ_VERTEX_ELEMENTS_V0_SRC_OFFSET(i)); ve[i].instance_divisor = get_buf_entry(buf, VIRGL_OBJ_VERTEX_ELEMENTS_V0_INSTANCE_DIVISOR(i)); ve[i].vertex_buffer_index = get_buf_entry(buf, VIRGL_OBJ_VERTEX_ELEMENTS_V0_VERTEX_BUFFER_INDEX(i)); if (ve[i].vertex_buffer_index >= PIPE_MAX_ATTRIBS) { FREE(ve); return EINVAL; } ve[i].src_format = get_buf_entry(buf, VIRGL_OBJ_VERTEX_ELEMENTS_V0_SRC_FORMAT(i)); } } ret = vrend_create_vertex_elements_state(ctx, handle, num_elements, ve); FREE(ve); return ret; } static int vrend_decode_create_query(struct vrend_context *ctx, const uint32_t *buf, uint32_t handle, uint16_t length) { uint32_t query_type; uint32_t query_index; uint32_t res_handle; uint32_t offset; uint32_t tmp; if (length != VIRGL_OBJ_QUERY_SIZE) return EINVAL; tmp = get_buf_entry(buf, VIRGL_OBJ_QUERY_TYPE_INDEX); query_type = VIRGL_OBJ_QUERY_TYPE(tmp); query_index = (tmp >> 16) & 0xffff; offset = get_buf_entry(buf, VIRGL_OBJ_QUERY_OFFSET); res_handle = get_buf_entry(buf, VIRGL_OBJ_QUERY_RES_HANDLE); return vrend_create_query(ctx, handle, query_type, query_index, res_handle, offset); } static int vrend_decode_create_object(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { if (length < 1) return EINVAL; uint32_t header = get_buf_entry(buf, VIRGL_OBJ_CREATE_HEADER); uint32_t handle = get_buf_entry(buf, VIRGL_OBJ_CREATE_HANDLE); uint8_t obj_type = (header >> 8) & 0xff; int ret = 0; if (handle == 0) return EINVAL; VREND_DEBUG(dbg_object, ctx," CREATE %-18s handle:0x%x len:%d\n", vrend_get_object_type_name(obj_type), handle, length); TRACE_SCOPE(vrend_get_object_type_name(obj_type)); switch (obj_type){ case VIRGL_OBJECT_BLEND: ret = vrend_decode_create_blend(ctx, buf, handle, length); break; case VIRGL_OBJECT_DSA: ret = vrend_decode_create_dsa(ctx, buf, handle, length); break; case VIRGL_OBJECT_RASTERIZER: ret = vrend_decode_create_rasterizer(ctx, buf, handle, length); break; case VIRGL_OBJECT_SHADER: ret = vrend_decode_create_shader(ctx, buf, handle, length); break; case VIRGL_OBJECT_VERTEX_ELEMENTS: ret = vrend_decode_create_ve(ctx, buf, handle, length); break; case VIRGL_OBJECT_SURFACE: ret = vrend_decode_create_surface(ctx, buf, handle, length); break; case VIRGL_OBJECT_SAMPLER_VIEW: ret = vrend_decode_create_sampler_view(ctx, buf, handle, length); break; case VIRGL_OBJECT_SAMPLER_STATE: ret = vrend_decode_create_sampler_state(ctx, buf, handle, length); break; case VIRGL_OBJECT_QUERY: ret = vrend_decode_create_query(ctx, buf, handle, length); break; case VIRGL_OBJECT_STREAMOUT_TARGET: ret = vrend_decode_create_stream_output_target(ctx, buf, handle, length); break; case VIRGL_OBJECT_MSAA_SURFACE: ret = vrend_decode_create_msaa_surface(ctx, buf, handle, length); break; default: return EINVAL; } return ret; } static int vrend_decode_bind_object(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { if (length != 1) return EINVAL; uint32_t header = get_buf_entry(buf, VIRGL_OBJ_BIND_HEADER); uint32_t handle = get_buf_entry(buf, VIRGL_OBJ_BIND_HANDLE); uint8_t obj_type = (header >> 8) & 0xff; VREND_DEBUG(dbg_object, ctx, " BIND %-20s handle:0x%x len:%d\n", vrend_get_object_type_name(obj_type), handle, length); switch (obj_type) { case VIRGL_OBJECT_BLEND: vrend_object_bind_blend(ctx, handle); break; case VIRGL_OBJECT_DSA: vrend_object_bind_dsa(ctx, handle); break; case VIRGL_OBJECT_RASTERIZER: vrend_object_bind_rasterizer(ctx, handle); break; case VIRGL_OBJECT_VERTEX_ELEMENTS: vrend_bind_vertex_elements_state(ctx, handle); break; default: return EINVAL; } return 0; } static int vrend_decode_destroy_object(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { if (length != 1) return EINVAL; uint32_t handle = get_buf_entry(buf, VIRGL_OBJ_DESTROY_HANDLE); VREND_DEBUG_EXT(dbg_object, ctx, uint32_t obj = (get_buf_entry(buf, 0) >> 8) & 0xFF; vrend_printf(" DESTROY %-17s handle:0x%x\n", vrend_get_object_type_name(obj), handle)); vrend_renderer_object_destroy(ctx, handle); return 0; } static int vrend_decode_set_stencil_ref(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { if (length != VIRGL_SET_STENCIL_REF_SIZE) return EINVAL; struct pipe_stencil_ref ref; uint32_t val = get_buf_entry(buf, VIRGL_SET_STENCIL_REF); ref.ref_value[0] = val & 0xff; ref.ref_value[1] = (val >> 8) & 0xff; vrend_set_stencil_ref(ctx, &ref); return 0; } static int vrend_decode_set_blend_color(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { struct pipe_blend_color color; int i; if (length != VIRGL_SET_BLEND_COLOR_SIZE) return EINVAL; for (i = 0; i < 4; i++) color.color[i] = uif(get_buf_entry(buf, VIRGL_SET_BLEND_COLOR(i))); vrend_set_blend_color(ctx, &color); return 0; } static int vrend_decode_set_scissor_state(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { struct pipe_scissor_state ss[PIPE_MAX_VIEWPORTS]; uint32_t temp; int32_t num_scissor; uint32_t start_slot; int s; if (length < 1) return EINVAL; if ((length - 1) % 2) return EINVAL; num_scissor = (length - 1) / 2; if (num_scissor > PIPE_MAX_VIEWPORTS) return EINVAL; start_slot = get_buf_entry(buf, VIRGL_SET_SCISSOR_START_SLOT); for (s = 0; s < num_scissor; s++) { temp = get_buf_entry(buf, VIRGL_SET_SCISSOR_MINX_MINY(s)); ss[s].minx = temp & 0xffff; ss[s].miny = (temp >> 16) & 0xffff; temp = get_buf_entry(buf, VIRGL_SET_SCISSOR_MAXX_MAXY(s)); ss[s].maxx = temp & 0xffff; ss[s].maxy = (temp >> 16) & 0xffff; } vrend_set_scissor_state(ctx, start_slot, num_scissor, ss); return 0; } static int vrend_decode_set_polygon_stipple(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { struct pipe_poly_stipple ps; int i; if (length != VIRGL_POLYGON_STIPPLE_SIZE) return EINVAL; for (i = 0; i < 32; i++) ps.stipple[i] = get_buf_entry(buf, VIRGL_POLYGON_STIPPLE_P0 + i); vrend_set_polygon_stipple(ctx, &ps); return 0; } static int vrend_decode_set_clip_state(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { struct pipe_clip_state clip; int i, j; if (length != VIRGL_SET_CLIP_STATE_SIZE) return EINVAL; for (i = 0; i < 8; i++) for (j = 0; j < 4; j++) clip.ucp[i][j] = uif(get_buf_entry(buf, VIRGL_SET_CLIP_STATE_C0 + (i * 4) + j)); vrend_set_clip_state(ctx, &clip); return 0; } static int vrend_decode_set_sample_mask(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { unsigned mask; if (length != VIRGL_SET_SAMPLE_MASK_SIZE) return EINVAL; mask = get_buf_entry(buf, VIRGL_SET_SAMPLE_MASK_MASK); vrend_set_sample_mask(ctx, mask); return 0; } static int vrend_decode_set_min_samples(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { unsigned min_samples; if (length != VIRGL_SET_MIN_SAMPLES_SIZE) return EINVAL; min_samples = get_buf_entry(buf, VIRGL_SET_MIN_SAMPLES_MASK); vrend_set_min_samples(ctx, min_samples); return 0; } static int vrend_decode_resource_copy_region(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { struct pipe_box box; uint32_t dst_handle, src_handle; uint32_t dst_level, dstx, dsty, dstz; uint32_t src_level; if (length != VIRGL_CMD_RESOURCE_COPY_REGION_SIZE) return EINVAL; dst_handle = get_buf_entry(buf, VIRGL_CMD_RCR_DST_RES_HANDLE); dst_level = get_buf_entry(buf, VIRGL_CMD_RCR_DST_LEVEL); dstx = get_buf_entry(buf, VIRGL_CMD_RCR_DST_X); dsty = get_buf_entry(buf, VIRGL_CMD_RCR_DST_Y); dstz = get_buf_entry(buf, VIRGL_CMD_RCR_DST_Z); src_handle = get_buf_entry(buf, VIRGL_CMD_RCR_SRC_RES_HANDLE); src_level = get_buf_entry(buf, VIRGL_CMD_RCR_SRC_LEVEL); box.x = get_buf_entry(buf, VIRGL_CMD_RCR_SRC_X); box.y = get_buf_entry(buf, VIRGL_CMD_RCR_SRC_Y); box.z = get_buf_entry(buf, VIRGL_CMD_RCR_SRC_Z); box.width = get_buf_entry(buf, VIRGL_CMD_RCR_SRC_W); box.height = get_buf_entry(buf, VIRGL_CMD_RCR_SRC_H); box.depth = get_buf_entry(buf, VIRGL_CMD_RCR_SRC_D); vrend_renderer_resource_copy_region(ctx, dst_handle, dst_level, dstx, dsty, dstz, src_handle, src_level, &box); return 0; } static int vrend_decode_blit(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { struct pipe_blit_info info; uint32_t dst_handle, src_handle, temp; if (length != VIRGL_CMD_BLIT_SIZE) return EINVAL; temp = get_buf_entry(buf, VIRGL_CMD_BLIT_S0); info.mask = temp & 0xff; info.filter = (temp >> 8) & 0x3; info.scissor_enable = (temp >> 10) & 0x1; info.render_condition_enable = (temp >> 11) & 0x1; info.alpha_blend = (temp >> 12) & 0x1; temp = get_buf_entry(buf, VIRGL_CMD_BLIT_SCISSOR_MINX_MINY); info.scissor.minx = temp & 0xffff; info.scissor.miny = (temp >> 16) & 0xffff; temp = get_buf_entry(buf, VIRGL_CMD_BLIT_SCISSOR_MAXX_MAXY); info.scissor.maxx = temp & 0xffff; info.scissor.maxy = (temp >> 16) & 0xffff; dst_handle = get_buf_entry(buf, VIRGL_CMD_BLIT_DST_RES_HANDLE); info.dst.level = get_buf_entry(buf, VIRGL_CMD_BLIT_DST_LEVEL); info.dst.format = get_buf_entry(buf, VIRGL_CMD_BLIT_DST_FORMAT); info.dst.box.x = get_buf_entry(buf, VIRGL_CMD_BLIT_DST_X); info.dst.box.y = get_buf_entry(buf, VIRGL_CMD_BLIT_DST_Y); info.dst.box.z = get_buf_entry(buf, VIRGL_CMD_BLIT_DST_Z); info.dst.box.width = get_buf_entry(buf, VIRGL_CMD_BLIT_DST_W); info.dst.box.height = get_buf_entry(buf, VIRGL_CMD_BLIT_DST_H); info.dst.box.depth = get_buf_entry(buf, VIRGL_CMD_BLIT_DST_D); src_handle = get_buf_entry(buf, VIRGL_CMD_BLIT_SRC_RES_HANDLE); info.src.level = get_buf_entry(buf, VIRGL_CMD_BLIT_SRC_LEVEL); info.src.format = get_buf_entry(buf, VIRGL_CMD_BLIT_SRC_FORMAT); info.src.box.x = get_buf_entry(buf, VIRGL_CMD_BLIT_SRC_X); info.src.box.y = get_buf_entry(buf, VIRGL_CMD_BLIT_SRC_Y); info.src.box.z = get_buf_entry(buf, VIRGL_CMD_BLIT_SRC_Z); info.src.box.width = get_buf_entry(buf, VIRGL_CMD_BLIT_SRC_W); info.src.box.height = get_buf_entry(buf, VIRGL_CMD_BLIT_SRC_H); info.src.box.depth = get_buf_entry(buf, VIRGL_CMD_BLIT_SRC_D); vrend_renderer_blit(ctx, dst_handle, src_handle, &info); return 0; } static int vrend_decode_bind_sampler_states(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { if (length < 2) return EINVAL; uint32_t shader_type = get_buf_entry(buf, VIRGL_BIND_SAMPLER_STATES_SHADER_TYPE); uint32_t start_slot = get_buf_entry(buf, VIRGL_BIND_SAMPLER_STATES_START_SLOT); uint32_t num_states = length - 2; if (shader_type >= PIPE_SHADER_TYPES) return EINVAL; vrend_bind_sampler_states(ctx, shader_type, start_slot, num_states, get_buf_ptr(buf, VIRGL_BIND_SAMPLER_STATES_S0_HANDLE)); return 0; } static int vrend_decode_begin_query(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { if (length != 1) return EINVAL; uint32_t handle = get_buf_entry(buf, VIRGL_QUERY_BEGIN_HANDLE); return vrend_begin_query(ctx, handle); } static int vrend_decode_end_query(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { if (length != 1) return EINVAL; uint32_t handle = get_buf_entry(buf, VIRGL_QUERY_END_HANDLE); return vrend_end_query(ctx, handle); } static int vrend_decode_get_query_result(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { if (length != 2) return EINVAL; uint32_t handle = get_buf_entry(buf, VIRGL_QUERY_RESULT_HANDLE); uint32_t wait = get_buf_entry(buf, VIRGL_QUERY_RESULT_WAIT); vrend_get_query_result(ctx, handle, wait); return 0; } static int vrend_decode_get_query_result_qbo(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { if (length != VIRGL_QUERY_RESULT_QBO_SIZE) return EINVAL; uint32_t handle = get_buf_entry(buf, VIRGL_QUERY_RESULT_QBO_HANDLE); uint32_t qbo_handle = get_buf_entry(buf, VIRGL_QUERY_RESULT_QBO_QBO_HANDLE); uint32_t wait = get_buf_entry(buf, VIRGL_QUERY_RESULT_QBO_WAIT); uint32_t result_type = get_buf_entry(buf, VIRGL_QUERY_RESULT_QBO_RESULT_TYPE); uint32_t offset = get_buf_entry(buf, VIRGL_QUERY_RESULT_QBO_OFFSET); int32_t index = get_buf_entry(buf, VIRGL_QUERY_RESULT_QBO_INDEX); vrend_get_query_result_qbo(ctx, handle, qbo_handle, wait, result_type, offset, index); return 0; } static int vrend_decode_set_render_condition(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { if (length != VIRGL_RENDER_CONDITION_SIZE) return EINVAL; uint32_t handle = get_buf_entry(buf, VIRGL_RENDER_CONDITION_HANDLE); bool condition = get_buf_entry(buf, VIRGL_RENDER_CONDITION_CONDITION) & 1; uint mode = get_buf_entry(buf, VIRGL_RENDER_CONDITION_MODE); vrend_render_condition(ctx, handle, condition, mode); return 0; } static int vrend_decode_set_sub_ctx(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { if (length != 1) return EINVAL; uint32_t ctx_sub_id = get_buf_entry(buf, 1); vrend_renderer_set_sub_ctx(ctx, ctx_sub_id); return 0; } static int vrend_decode_create_sub_ctx(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { if (length != 1) return EINVAL; uint32_t ctx_sub_id = get_buf_entry(buf, 1); vrend_renderer_create_sub_ctx(ctx, ctx_sub_id); return 0; } static int vrend_decode_destroy_sub_ctx(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { if (length != 1) return EINVAL; uint32_t ctx_sub_id = get_buf_entry(buf, 1); vrend_renderer_destroy_sub_ctx(ctx, ctx_sub_id); return 0; } static int vrend_decode_bind_shader(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { uint32_t handle, type; if (length != VIRGL_BIND_SHADER_SIZE) return EINVAL; handle = get_buf_entry(buf, VIRGL_BIND_SHADER_HANDLE); type = get_buf_entry(buf, VIRGL_BIND_SHADER_TYPE); vrend_bind_shader(ctx, handle, type); return 0; } static int vrend_decode_set_tess_state(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { float tess_factors[6]; int i; if (length != VIRGL_TESS_STATE_SIZE) return EINVAL; for (i = 0; i < 6; i++) { tess_factors[i] = uif(get_buf_entry(buf, i + 1)); } vrend_set_tess_state(ctx, tess_factors); return 0; } static int vrend_decode_set_shader_buffers(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { uint32_t num_ssbo; uint32_t shader_type, start_slot; if (length < 2) return EINVAL; num_ssbo = (length - 2) / VIRGL_SET_SHADER_BUFFER_ELEMENT_SIZE; shader_type = get_buf_entry(buf, VIRGL_SET_SHADER_BUFFER_SHADER_TYPE); start_slot = get_buf_entry(buf, VIRGL_SET_SHADER_BUFFER_START_SLOT); if (shader_type >= PIPE_SHADER_TYPES) return EINVAL; if (num_ssbo < 1) return 0; if (start_slot > PIPE_MAX_SHADER_BUFFERS || num_ssbo > PIPE_MAX_SHADER_BUFFERS - start_slot) return EINVAL; for (uint32_t i = 0; i < num_ssbo; i++) { uint32_t offset = get_buf_entry(buf, VIRGL_SET_SHADER_BUFFER_OFFSET(i)); uint32_t buf_len = get_buf_entry(buf, VIRGL_SET_SHADER_BUFFER_LENGTH(i)); uint32_t handle = get_buf_entry(buf, VIRGL_SET_SHADER_BUFFER_RES_HANDLE(i)); vrend_set_single_ssbo(ctx, shader_type, start_slot + i, offset, buf_len, handle); } return 0; } static int vrend_decode_set_atomic_buffers(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { uint32_t num_abo; uint32_t start_slot; if (length < 2) return EINVAL; num_abo = (length - 1) / VIRGL_SET_ATOMIC_BUFFER_ELEMENT_SIZE; start_slot = get_buf_entry(buf, VIRGL_SET_ATOMIC_BUFFER_START_SLOT); if (num_abo < 1) return 0; if (num_abo > PIPE_MAX_HW_ATOMIC_BUFFERS || start_slot > PIPE_MAX_HW_ATOMIC_BUFFERS || start_slot > PIPE_MAX_HW_ATOMIC_BUFFERS - num_abo) return EINVAL; for (uint32_t i = 0; i < num_abo; i++) { uint32_t offset = get_buf_entry(buf, i * VIRGL_SET_ATOMIC_BUFFER_ELEMENT_SIZE + 2); uint32_t buf_len = get_buf_entry(buf, i * VIRGL_SET_ATOMIC_BUFFER_ELEMENT_SIZE + 3); uint32_t handle = get_buf_entry(buf, i * VIRGL_SET_ATOMIC_BUFFER_ELEMENT_SIZE + 4); vrend_set_single_abo(ctx, start_slot + i, offset, buf_len, handle); } return 0; } static int vrend_decode_set_shader_images(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { uint32_t num_images; uint32_t shader_type, start_slot; if (length < 2) return EINVAL; num_images = (length - 2) / VIRGL_SET_SHADER_IMAGE_ELEMENT_SIZE; shader_type = get_buf_entry(buf, VIRGL_SET_SHADER_IMAGE_SHADER_TYPE); start_slot = get_buf_entry(buf, VIRGL_SET_SHADER_IMAGE_START_SLOT); if (shader_type >= PIPE_SHADER_TYPES) return EINVAL; if (num_images < 1) { return 0; } if (start_slot > PIPE_MAX_SHADER_IMAGES || start_slot > PIPE_MAX_SHADER_IMAGES - num_images) return EINVAL; for (uint32_t i = 0; i < num_images; i++) { uint32_t format = get_buf_entry(buf, VIRGL_SET_SHADER_IMAGE_FORMAT(i)); uint32_t access = get_buf_entry(buf, VIRGL_SET_SHADER_IMAGE_ACCESS(i)); uint32_t layer_offset = get_buf_entry(buf, VIRGL_SET_SHADER_IMAGE_LAYER_OFFSET(i)); uint32_t level_size = get_buf_entry(buf, VIRGL_SET_SHADER_IMAGE_LEVEL_SIZE(i)); uint32_t handle = get_buf_entry(buf, VIRGL_SET_SHADER_IMAGE_RES_HANDLE(i)); vrend_set_single_image_view(ctx, shader_type, start_slot + i, format, access, layer_offset, level_size, handle); } return 0; } static int vrend_decode_memory_barrier(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { if (length != VIRGL_MEMORY_BARRIER_SIZE) return EINVAL; unsigned flags = get_buf_entry(buf, VIRGL_MEMORY_BARRIER_FLAGS); vrend_memory_barrier(ctx, flags); return 0; } static int vrend_decode_launch_grid(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { uint32_t block[3], grid[3]; uint32_t indirect_handle, indirect_offset; if (length != VIRGL_LAUNCH_GRID_SIZE) return EINVAL; block[0] = get_buf_entry(buf, VIRGL_LAUNCH_BLOCK_X); block[1] = get_buf_entry(buf, VIRGL_LAUNCH_BLOCK_Y); block[2] = get_buf_entry(buf, VIRGL_LAUNCH_BLOCK_Z); grid[0] = get_buf_entry(buf, VIRGL_LAUNCH_GRID_X); grid[1] = get_buf_entry(buf, VIRGL_LAUNCH_GRID_Y); grid[2] = get_buf_entry(buf, VIRGL_LAUNCH_GRID_Z); indirect_handle = get_buf_entry(buf, VIRGL_LAUNCH_INDIRECT_HANDLE); indirect_offset = get_buf_entry(buf, VIRGL_LAUNCH_INDIRECT_OFFSET); vrend_launch_grid(ctx, block, grid, indirect_handle, indirect_offset); return 0; } static int vrend_decode_set_streamout_targets(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { uint32_t handles[16]; uint32_t num_handles = length - 1; uint32_t append_bitmask; uint i; if (length < 1) return EINVAL; if (num_handles > ARRAY_SIZE(handles)) return EINVAL; append_bitmask = get_buf_entry(buf, VIRGL_SET_STREAMOUT_TARGETS_APPEND_BITMASK); for (i = 0; i < num_handles; i++) handles[i] = get_buf_entry(buf, VIRGL_SET_STREAMOUT_TARGETS_H0 + i); vrend_set_streamout_targets(ctx, append_bitmask, num_handles, handles); return 0; } static int vrend_decode_texture_barrier(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { if (length != VIRGL_TEXTURE_BARRIER_SIZE) return EINVAL; unsigned flags = get_buf_entry(buf, VIRGL_TEXTURE_BARRIER_FLAGS); vrend_texture_barrier(ctx, flags); return 0; } static int vrend_decode_set_debug_mask(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { char *flagstring; int slen = sizeof(uint32_t) * length; if (length < VIRGL_SET_DEBUG_FLAGS_MIN_SIZE) return EINVAL; const uint32_t *flag_buf = get_buf_ptr(buf, VIRGL_SET_DEBUG_FLAGSTRING_OFFSET); flagstring = malloc(slen+1); if (!flagstring) { return ENOMEM; } memcpy(flagstring, flag_buf, slen); flagstring[slen] = 0; vrend_context_set_debug_flags(ctx, flagstring); free(flagstring); return 0; } static int vrend_decode_set_tweaks(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { VREND_DEBUG(dbg_tweak, NULL, "Received TWEAK set command\n"); if (length < VIRGL_SET_TWEAKS_SIZE) return EINVAL; uint32_t tweak_id = get_buf_entry(buf, VIRGL_SET_TWEAKS_ID); uint32_t tweak_value = get_buf_entry(buf, VIRGL_SET_TWEAKS_VALUE); vrend_set_active_tweaks(vrend_get_context_tweaks(ctx), tweak_id, tweak_value); return 0; } static int vrend_decode_transfer3d(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { struct pipe_box box; uint32_t dst_handle; struct vrend_transfer_info info; if (length < VIRGL_TRANSFER3D_SIZE) return EINVAL; memset(&info, 0, sizeof(info)); info.box = &box; vrend_decode_transfer_common(buf, &dst_handle, &info); info.offset = get_buf_entry(buf, VIRGL_TRANSFER3D_DATA_OFFSET); int transfer_mode = get_buf_entry(buf, VIRGL_TRANSFER3D_DIRECTION); if (transfer_mode != VIRGL_TRANSFER_TO_HOST && transfer_mode != VIRGL_TRANSFER_FROM_HOST) return EINVAL; return vrend_renderer_transfer_iov(ctx, dst_handle, &info, transfer_mode); } static int vrend_decode_copy_transfer3d(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { struct pipe_box box; struct vrend_transfer_info info; uint32_t dst_handle; uint32_t src_handle; if (length != VIRGL_COPY_TRANSFER3D_SIZE) return EINVAL; memset(&info, 0, sizeof(info)); info.box = &box; vrend_decode_transfer_common(buf, &dst_handle, &info); info.offset = get_buf_entry(buf, VIRGL_COPY_TRANSFER3D_SRC_RES_OFFSET); info.synchronized = (get_buf_entry(buf, VIRGL_COPY_TRANSFER3D_SYNCHRONIZED) != 0); src_handle = get_buf_entry(buf, VIRGL_COPY_TRANSFER3D_SRC_RES_HANDLE); return vrend_renderer_copy_transfer3d(ctx, dst_handle, src_handle, &info); } static int vrend_decode_pipe_resource_create(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { struct vrend_renderer_resource_create_args args = { 0 }; uint32_t blob_id; if (length != VIRGL_PIPE_RES_CREATE_SIZE) return EINVAL; args.target = get_buf_entry(buf, VIRGL_PIPE_RES_CREATE_TARGET); args.format = get_buf_entry(buf, VIRGL_PIPE_RES_CREATE_FORMAT); args.bind = get_buf_entry(buf, VIRGL_PIPE_RES_CREATE_BIND); args.width = get_buf_entry(buf, VIRGL_PIPE_RES_CREATE_WIDTH); args.height = get_buf_entry(buf, VIRGL_PIPE_RES_CREATE_HEIGHT); args.depth = get_buf_entry(buf, VIRGL_PIPE_RES_CREATE_DEPTH); args.array_size = get_buf_entry(buf, VIRGL_PIPE_RES_CREATE_ARRAY_SIZE); args.last_level = get_buf_entry(buf, VIRGL_PIPE_RES_CREATE_LAST_LEVEL); args.nr_samples = get_buf_entry(buf, VIRGL_PIPE_RES_CREATE_NR_SAMPLES); args.flags = get_buf_entry(buf, VIRGL_PIPE_RES_CREATE_FLAGS); blob_id = get_buf_entry(buf, VIRGL_PIPE_RES_CREATE_BLOB_ID); return vrend_renderer_pipe_resource_create(ctx, blob_id, &args); } static int vrend_decode_pipe_resource_set_type(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { struct vrend_renderer_resource_set_type_args args = { 0 }; uint32_t res_id; if (length >= VIRGL_PIPE_RES_SET_TYPE_SIZE(0)) args.plane_count = (length - VIRGL_PIPE_RES_SET_TYPE_SIZE(0)) / 2; if (length != VIRGL_PIPE_RES_SET_TYPE_SIZE(args.plane_count) || !args.plane_count || args.plane_count > VIRGL_GBM_MAX_PLANES) return EINVAL; res_id = get_buf_entry(buf, VIRGL_PIPE_RES_SET_TYPE_RES_HANDLE); args.format = get_buf_entry(buf, VIRGL_PIPE_RES_SET_TYPE_FORMAT); args.bind = get_buf_entry(buf, VIRGL_PIPE_RES_SET_TYPE_BIND); args.width = get_buf_entry(buf, VIRGL_PIPE_RES_SET_TYPE_WIDTH); args.height = get_buf_entry(buf, VIRGL_PIPE_RES_SET_TYPE_HEIGHT); args.usage = get_buf_entry(buf, VIRGL_PIPE_RES_SET_TYPE_USAGE); args.modifier = get_buf_entry(buf, VIRGL_PIPE_RES_SET_TYPE_MODIFIER_LO); args.modifier |= (uint64_t)get_buf_entry(buf, VIRGL_PIPE_RES_SET_TYPE_MODIFIER_HI) << 32; for (uint32_t i = 0; i < args.plane_count; i++) { args.plane_strides[i] = get_buf_entry(buf, VIRGL_PIPE_RES_SET_TYPE_PLANE_STRIDE(i)); args.plane_offsets[i] = get_buf_entry(buf, VIRGL_PIPE_RES_SET_TYPE_PLANE_OFFSET(i)); } return vrend_renderer_pipe_resource_set_type(ctx, res_id, &args); } static void vrend_decode_ctx_init_base(struct vrend_decode_ctx *dctx, uint32_t ctx_id); static void vrend_decode_ctx_fence_retire(void *fence_cookie, void *retire_data) { struct vrend_decode_ctx *dctx = retire_data; dctx->base.fence_retire(&dctx->base, 0, fence_cookie); } struct virgl_context *vrend_renderer_context_create(uint32_t handle, uint32_t nlen, const char *debug_name) { struct vrend_decode_ctx *dctx; dctx = malloc(sizeof(struct vrend_decode_ctx)); if (!dctx) return NULL; vrend_decode_ctx_init_base(dctx, handle); dctx->grctx = vrend_create_context(handle, nlen, debug_name); if (!dctx->grctx) { free(dctx); return NULL; } vrend_renderer_set_fence_retire(dctx->grctx, vrend_decode_ctx_fence_retire, dctx); return &dctx->base; } static void vrend_decode_ctx_destroy(struct virgl_context *ctx) { TRACE_FUNC(); struct vrend_decode_ctx *dctx = (struct vrend_decode_ctx *)ctx; vrend_destroy_context(dctx->grctx); free(dctx); } static void vrend_decode_ctx_attach_resource(struct virgl_context *ctx, struct virgl_resource *res) { TRACE_FUNC(); struct vrend_decode_ctx *dctx = (struct vrend_decode_ctx *)ctx; vrend_renderer_attach_res_ctx(dctx->grctx, res); } static void vrend_decode_ctx_detach_resource(struct virgl_context *ctx, struct virgl_resource *res) { TRACE_FUNC(); struct vrend_decode_ctx *dctx = (struct vrend_decode_ctx *)ctx; vrend_renderer_detach_res_ctx(dctx->grctx, res); } static int vrend_decode_ctx_transfer_3d(struct virgl_context *ctx, struct virgl_resource *res, const struct vrend_transfer_info *info, int transfer_mode) { TRACE_FUNC(); struct vrend_decode_ctx *dctx = (struct vrend_decode_ctx *)ctx; return vrend_renderer_transfer_iov(dctx->grctx, res->res_id, info, transfer_mode); } static int vrend_decode_ctx_get_blob(struct virgl_context *ctx, uint64_t blob_id, UNUSED uint32_t blob_flags, struct virgl_context_blob *blob) { TRACE_FUNC(); struct vrend_decode_ctx *dctx = (struct vrend_decode_ctx *)ctx; blob->type = VIRGL_RESOURCE_FD_INVALID; /* this transfers ownership and blob_id is no longer valid */ blob->u.pipe_resource = vrend_get_blob_pipe(dctx->grctx, blob_id); if (!blob->u.pipe_resource) return -EINVAL; blob->map_info = vrend_renderer_resource_get_map_info(blob->u.pipe_resource); return 0; } static int vrend_decode_get_memory_info(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { TRACE_FUNC(); if (length != 1) return EINVAL; uint32_t res_handle = get_buf_entry(buf, 1); vrend_renderer_get_meminfo(ctx, res_handle); return 0; } static int vrend_decode_send_string_marker(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { uint32_t buf_len = sizeof(uint32_t) * (length - 1); if (length < VIRGL_SEND_STRING_MARKER_MIN_SIZE) { fprintf(stderr, "minimal command length not okay\n"); return EINVAL; } uint32_t str_len = get_buf_entry(buf, VIRGL_SEND_STRING_MARKER_STRING_SIZE); if (str_len > buf_len) { fprintf(stderr, "String len %u > buf_len %u\n", str_len, buf_len); return EINVAL; } vrend_context_emit_string_marker(ctx, str_len, get_buf_ptr(buf, VIRGL_SEND_STRING_MARKER_OFFSET)); return 0; } typedef int (*vrend_decode_callback)(struct vrend_context *ctx, const uint32_t *buf, uint32_t length); static int vrend_decode_dummy(struct vrend_context *ctx, const uint32_t *buf, uint32_t length) { (void)ctx; (void)buf; (void)length; return 0; } static const vrend_decode_callback decode_table[VIRGL_MAX_COMMANDS] = { [VIRGL_CCMD_NOP] = vrend_decode_dummy, [VIRGL_CCMD_CREATE_OBJECT] = vrend_decode_create_object, [VIRGL_CCMD_BIND_OBJECT] = vrend_decode_bind_object, [VIRGL_CCMD_DESTROY_OBJECT] = vrend_decode_destroy_object, [VIRGL_CCMD_CLEAR] = vrend_decode_clear, [VIRGL_CCMD_CLEAR_TEXTURE] = vrend_decode_clear_texture, [VIRGL_CCMD_DRAW_VBO] = vrend_decode_draw_vbo, [VIRGL_CCMD_SET_FRAMEBUFFER_STATE] = vrend_decode_set_framebuffer_state, [VIRGL_CCMD_SET_VERTEX_BUFFERS] = vrend_decode_set_vertex_buffers, [VIRGL_CCMD_RESOURCE_INLINE_WRITE] = vrend_decode_resource_inline_write, [VIRGL_CCMD_SET_VIEWPORT_STATE] = vrend_decode_set_viewport_state, [VIRGL_CCMD_SET_SAMPLER_VIEWS] = vrend_decode_set_sampler_views, [VIRGL_CCMD_SET_INDEX_BUFFER] = vrend_decode_set_index_buffer, [VIRGL_CCMD_SET_CONSTANT_BUFFER] = vrend_decode_set_constant_buffer, [VIRGL_CCMD_SET_STENCIL_REF] = vrend_decode_set_stencil_ref, [VIRGL_CCMD_SET_BLEND_COLOR] = vrend_decode_set_blend_color, [VIRGL_CCMD_SET_SCISSOR_STATE] = vrend_decode_set_scissor_state, [VIRGL_CCMD_BLIT] = vrend_decode_blit, [VIRGL_CCMD_RESOURCE_COPY_REGION] = vrend_decode_resource_copy_region, [VIRGL_CCMD_BIND_SAMPLER_STATES] = vrend_decode_bind_sampler_states, [VIRGL_CCMD_BEGIN_QUERY] = vrend_decode_begin_query, [VIRGL_CCMD_END_QUERY] = vrend_decode_end_query, [VIRGL_CCMD_GET_QUERY_RESULT] = vrend_decode_get_query_result, [VIRGL_CCMD_SET_POLYGON_STIPPLE] = vrend_decode_set_polygon_stipple, [VIRGL_CCMD_SET_CLIP_STATE] = vrend_decode_set_clip_state, [VIRGL_CCMD_SET_SAMPLE_MASK] = vrend_decode_set_sample_mask, [VIRGL_CCMD_SET_MIN_SAMPLES] = vrend_decode_set_min_samples, [VIRGL_CCMD_SET_STREAMOUT_TARGETS] = vrend_decode_set_streamout_targets, [VIRGL_CCMD_SET_RENDER_CONDITION] = vrend_decode_set_render_condition, [VIRGL_CCMD_SET_UNIFORM_BUFFER] = vrend_decode_set_uniform_buffer, [VIRGL_CCMD_SET_SUB_CTX] = vrend_decode_set_sub_ctx, [VIRGL_CCMD_CREATE_SUB_CTX] = vrend_decode_create_sub_ctx, [VIRGL_CCMD_DESTROY_SUB_CTX] = vrend_decode_destroy_sub_ctx, [VIRGL_CCMD_BIND_SHADER] = vrend_decode_bind_shader, [VIRGL_CCMD_SET_TESS_STATE] = vrend_decode_set_tess_state, [VIRGL_CCMD_SET_SHADER_BUFFERS] = vrend_decode_set_shader_buffers, [VIRGL_CCMD_SET_SHADER_IMAGES] = vrend_decode_set_shader_images, [VIRGL_CCMD_SET_ATOMIC_BUFFERS] = vrend_decode_set_atomic_buffers, [VIRGL_CCMD_MEMORY_BARRIER] = vrend_decode_memory_barrier, [VIRGL_CCMD_LAUNCH_GRID] = vrend_decode_launch_grid, [VIRGL_CCMD_SET_FRAMEBUFFER_STATE_NO_ATTACH] = vrend_decode_set_framebuffer_state_no_attach, [VIRGL_CCMD_TEXTURE_BARRIER] = vrend_decode_texture_barrier, [VIRGL_CCMD_SET_DEBUG_FLAGS] = vrend_decode_set_debug_mask, [VIRGL_CCMD_GET_QUERY_RESULT_QBO] = vrend_decode_get_query_result_qbo, [VIRGL_CCMD_TRANSFER3D] = vrend_decode_transfer3d, [VIRGL_CCMD_COPY_TRANSFER3D] = vrend_decode_copy_transfer3d, [VIRGL_CCMD_END_TRANSFERS] = vrend_decode_dummy, [VIRGL_CCMD_SET_TWEAKS] = vrend_decode_set_tweaks, [VIRGL_CCMD_PIPE_RESOURCE_CREATE] = vrend_decode_pipe_resource_create, [VIRGL_CCMD_PIPE_RESOURCE_SET_TYPE] = vrend_decode_pipe_resource_set_type, [VIRGL_CCMD_GET_MEMORY_INFO] = vrend_decode_get_memory_info, [VIRGL_CCMD_SEND_STRING_MARKER] = vrend_decode_send_string_marker, }; static int vrend_decode_ctx_submit_cmd(struct virgl_context *ctx, const void *buffer, size_t size) { TRACE_FUNC(); struct vrend_decode_ctx *gdctx = (struct vrend_decode_ctx *)ctx; bool bret; int ret; bret = vrend_hw_switch_context(gdctx->grctx, true); if (bret == false) return EINVAL; const uint32_t *typed_buf = (const uint32_t *)buffer; const uint32_t buf_total = (uint32_t)(size / sizeof(uint32_t)); uint32_t buf_offset = 0; while (buf_offset < buf_total) { #ifndef NDEBUG const uint32_t cur_offset = buf_offset; #endif const uint32_t *buf = &typed_buf[buf_offset]; uint32_t len = *buf >> 16; uint32_t cmd = *buf & 0xff; if (cmd >= VIRGL_MAX_COMMANDS) return EINVAL; buf_offset += len + 1; ret = 0; /* check if the guest is doing something bad */ if (buf_offset > buf_total) { vrend_report_buffer_error(gdctx->grctx, 0); break; } VREND_DEBUG(dbg_cmd, gdctx->grctx, "%-4d %-20s len:%d\n", cur_offset, vrend_get_comand_name(cmd), len); TRACE_SCOPE_SLOW(vrend_get_comand_name(cmd)); ret = decode_table[cmd](gdctx->grctx, buf, len); if (ret) { if (ret == EINVAL) vrend_report_buffer_error(gdctx->grctx, *buf); return ret; } } return 0; } static int vrend_decode_ctx_get_fencing_fd(UNUSED struct virgl_context *ctx) { return vrend_renderer_get_poll_fd(); } static void vrend_decode_ctx_retire_fences(UNUSED struct virgl_context *ctx) { vrend_renderer_check_fences(); } static int vrend_decode_ctx_submit_fence(struct virgl_context *ctx, uint32_t flags, uint64_t queue_id, void *fence_cookie) { struct vrend_decode_ctx *dctx = (struct vrend_decode_ctx *)ctx; if (queue_id) return -EINVAL; return vrend_renderer_create_fence(dctx->grctx, flags, fence_cookie); } static void vrend_decode_ctx_init_base(struct vrend_decode_ctx *dctx, uint32_t ctx_id) { struct virgl_context *ctx = &dctx->base ; for (unsigned i = 0; i < VIRGL_MAX_COMMANDS; ++i) assert(decode_table[i]); ctx->ctx_id = ctx_id; ctx->destroy = vrend_decode_ctx_destroy; ctx->attach_resource = vrend_decode_ctx_attach_resource; ctx->detach_resource = vrend_decode_ctx_detach_resource; ctx->transfer_3d = vrend_decode_ctx_transfer_3d; ctx->get_blob = vrend_decode_ctx_get_blob; ctx->get_blob_done = NULL; ctx->submit_cmd = vrend_decode_ctx_submit_cmd; ctx->get_fencing_fd = vrend_decode_ctx_get_fencing_fd; ctx->retire_fences = vrend_decode_ctx_retire_fences; ctx->submit_fence = vrend_decode_ctx_submit_fence; }