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virglrenderer/src/vrend_decode.c

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/**************************************************************************
*
* 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 <stdint.h>
#include <string.h>
#include <stdio.h>
#include <errno.h>
#include <epoxy/gl.h>
#include <fcntl.h>
#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 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_link_shader(struct vrend_context *ctx, const uint32_t *buf, uint32_t length)
{
if (length != VIRGL_LINK_SHADER_SIZE)
return EINVAL;
uint32_t handles[PIPE_SHADER_TYPES];
handles[PIPE_SHADER_VERTEX] = get_buf_entry(buf, VIRGL_LINK_SHADER_VERTEX_HANDLE);
handles[PIPE_SHADER_FRAGMENT] = get_buf_entry(buf, VIRGL_LINK_SHADER_FRAGMENT_HANDLE);
handles[PIPE_SHADER_GEOMETRY] = get_buf_entry(buf, VIRGL_LINK_SHADER_GEOMETRY_HANDLE);
handles[PIPE_SHADER_TESS_CTRL] = get_buf_entry(buf, VIRGL_LINK_SHADER_TESS_CTRL_HANDLE);
handles[PIPE_SHADER_TESS_EVAL] = get_buf_entry(buf, VIRGL_LINK_SHADER_TESS_EVAL_HANDLE);
handles[PIPE_SHADER_COMPUTE] = get_buf_entry(buf, VIRGL_LINK_SHADER_COMPUTE_HANDLE);
vrend_link_program(ctx, handles);
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 + num_images > PIPE_MAX_SHADER_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;
// synchronized is set either to 1 or 0. This means that we can use other bits
// to identify the direction of copy transfer
uint32_t flags = get_buf_entry(buf, VIRGL_COPY_TRANSFER3D_FLAGS);
bool read_from_host = (flags & VIRGL_COPY_TRANSFER3D_FLAGS_READ_FROM_HOST) != 0;
info.synchronized = (flags & VIRGL_COPY_TRANSFER3D_FLAGS_SYNCHRONIZED) != 0;
if (!read_from_host) {
// this means that guest would like to make transfer to host
// it can also mean that guest is using legacy copy transfer path
vrend_decode_transfer_common(buf, &dst_handle, &info);
info.offset = get_buf_entry(buf, VIRGL_COPY_TRANSFER3D_SRC_RES_OFFSET);
src_handle = get_buf_entry(buf, VIRGL_COPY_TRANSFER3D_SRC_RES_HANDLE);
return vrend_renderer_copy_transfer3d(ctx, dst_handle, src_handle,
&info);
} else {
vrend_decode_transfer_common(buf, &src_handle, &info);
info.offset = get_buf_entry(buf, VIRGL_COPY_TRANSFER3D_SRC_RES_OFFSET);
dst_handle = get_buf_entry(buf, VIRGL_COPY_TRANSFER3D_SRC_RES_HANDLE);
return vrend_renderer_copy_transfer3d_from_host(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,
UNUSED uint32_t res_id,
uint64_t blob_id,
UNUSED uint64_t blob_size,
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,
[VIRGL_CCMD_LINK_SHADER] = vrend_decode_link_shader,
};
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) {
const uint32_t cur_offset = buf_offset;
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) {
vrend_printf("context %d failed to dispatch %s: %d\n",
gdctx->base.ctx_id, vrend_get_comand_name(cmd), 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->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;
}