blob: 4fabc89b1bd510067dc542b3697a49467525b22c [file] [log] [blame]
/*
* Copyright 2014, 2015 Red Hat.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* on the rights to use, copy, modify, merge, publish, distribute, sub
* license, and/or sell copies of the Software, and to permit persons to whom
* the Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <libsync.h>
#include "pipe/p_shader_tokens.h"
#include "pipe/p_context.h"
#include "pipe/p_defines.h"
#include "pipe/p_screen.h"
#include "pipe/p_state.h"
#include "util/u_inlines.h"
#include "util/u_memory.h"
#include "util/format/u_format.h"
#include "util/u_prim.h"
#include "util/u_transfer.h"
#include "util/u_helpers.h"
#include "util/slab.h"
#include "util/u_upload_mgr.h"
#include "util/u_blitter.h"
#include "tgsi/tgsi_text.h"
#include "indices/u_primconvert.h"
#include "pipebuffer/pb_buffer.h"
#include "virgl_encode.h"
#include "virgl_context.h"
#include "virtio-gpu/virgl_protocol.h"
#include "virgl_resource.h"
#include "virgl_screen.h"
#include "virgl_staging_mgr.h"
struct virgl_vertex_elements_state {
uint32_t handle;
uint8_t binding_map[PIPE_MAX_ATTRIBS];
uint8_t num_bindings;
};
static uint32_t next_handle;
uint32_t virgl_object_assign_handle(void)
{
return ++next_handle;
}
bool
virgl_can_rebind_resource(struct virgl_context *vctx,
struct pipe_resource *res)
{
/* We cannot rebind resources that are referenced by host objects, which
* are
*
* - VIRGL_OBJECT_SURFACE
* - VIRGL_OBJECT_SAMPLER_VIEW
* - VIRGL_OBJECT_STREAMOUT_TARGET
*
* Because surfaces cannot be created from buffers, we require the resource
* to be a buffer instead (and avoid tracking VIRGL_OBJECT_SURFACE binds).
*/
const unsigned unsupported_bind = (PIPE_BIND_SAMPLER_VIEW |
PIPE_BIND_STREAM_OUTPUT);
const unsigned bind_history = virgl_resource(res)->bind_history;
return res->target == PIPE_BUFFER && !(bind_history & unsupported_bind);
}
void
virgl_rebind_resource(struct virgl_context *vctx,
struct pipe_resource *res)
{
/* Queries use internally created buffers and do not go through transfers.
* Index buffers are not bindable. They are not tracked.
*/
ASSERTED const unsigned tracked_bind = (PIPE_BIND_VERTEX_BUFFER |
PIPE_BIND_CONSTANT_BUFFER |
PIPE_BIND_SHADER_BUFFER |
PIPE_BIND_SHADER_IMAGE);
const unsigned bind_history = virgl_resource(res)->bind_history;
unsigned i;
assert(virgl_can_rebind_resource(vctx, res) &&
(bind_history & tracked_bind) == bind_history);
if (bind_history & PIPE_BIND_VERTEX_BUFFER) {
for (i = 0; i < vctx->num_vertex_buffers; i++) {
if (vctx->vertex_buffer[i].buffer.resource == res) {
vctx->vertex_array_dirty = true;
break;
}
}
}
if (bind_history & PIPE_BIND_SHADER_BUFFER) {
uint32_t remaining_mask = vctx->atomic_buffer_enabled_mask;
while (remaining_mask) {
int i = u_bit_scan(&remaining_mask);
if (vctx->atomic_buffers[i].buffer == res) {
const struct pipe_shader_buffer *abo = &vctx->atomic_buffers[i];
virgl_encode_set_hw_atomic_buffers(vctx, i, 1, abo);
}
}
}
/* check per-stage shader bindings */
if (bind_history & (PIPE_BIND_CONSTANT_BUFFER |
PIPE_BIND_SHADER_BUFFER |
PIPE_BIND_SHADER_IMAGE)) {
enum pipe_shader_type shader_type;
for (shader_type = 0; shader_type < PIPE_SHADER_TYPES; shader_type++) {
const struct virgl_shader_binding_state *binding =
&vctx->shader_bindings[shader_type];
if (bind_history & PIPE_BIND_CONSTANT_BUFFER) {
uint32_t remaining_mask = binding->ubo_enabled_mask;
while (remaining_mask) {
int i = u_bit_scan(&remaining_mask);
if (binding->ubos[i].buffer == res) {
const struct pipe_constant_buffer *ubo = &binding->ubos[i];
virgl_encoder_set_uniform_buffer(vctx, shader_type, i,
ubo->buffer_offset,
ubo->buffer_size,
virgl_resource(res));
}
}
}
if (bind_history & PIPE_BIND_SHADER_BUFFER) {
uint32_t remaining_mask = binding->ssbo_enabled_mask;
while (remaining_mask) {
int i = u_bit_scan(&remaining_mask);
if (binding->ssbos[i].buffer == res) {
const struct pipe_shader_buffer *ssbo = &binding->ssbos[i];
virgl_encode_set_shader_buffers(vctx, shader_type, i, 1,
ssbo);
}
}
}
if (bind_history & PIPE_BIND_SHADER_IMAGE) {
uint32_t remaining_mask = binding->image_enabled_mask;
while (remaining_mask) {
int i = u_bit_scan(&remaining_mask);
if (binding->images[i].resource == res) {
const struct pipe_image_view *image = &binding->images[i];
virgl_encode_set_shader_images(vctx, shader_type, i, 1,
image);
}
}
}
}
}
}
static void virgl_attach_res_framebuffer(struct virgl_context *vctx)
{
struct virgl_winsys *vws = virgl_screen(vctx->base.screen)->vws;
struct pipe_surface *surf;
struct virgl_resource *res;
unsigned i;
surf = vctx->framebuffer.zsbuf;
if (surf) {
res = virgl_resource(surf->texture);
if (res) {
vws->emit_res(vws, vctx->cbuf, res->hw_res, FALSE);
virgl_resource_dirty(res, surf->u.tex.level);
}
}
for (i = 0; i < vctx->framebuffer.nr_cbufs; i++) {
surf = vctx->framebuffer.cbufs[i];
if (surf) {
res = virgl_resource(surf->texture);
if (res) {
vws->emit_res(vws, vctx->cbuf, res->hw_res, FALSE);
virgl_resource_dirty(res, surf->u.tex.level);
}
}
}
}
static void virgl_attach_res_sampler_views(struct virgl_context *vctx,
enum pipe_shader_type shader_type)
{
struct virgl_winsys *vws = virgl_screen(vctx->base.screen)->vws;
const struct virgl_shader_binding_state *binding =
&vctx->shader_bindings[shader_type];
uint32_t remaining_mask = binding->view_enabled_mask;
struct virgl_resource *res;
while (remaining_mask) {
int i = u_bit_scan(&remaining_mask);
assert(binding->views[i] && binding->views[i]->texture);
res = virgl_resource(binding->views[i]->texture);
vws->emit_res(vws, vctx->cbuf, res->hw_res, FALSE);
}
}
static void virgl_attach_res_vertex_buffers(struct virgl_context *vctx)
{
struct virgl_winsys *vws = virgl_screen(vctx->base.screen)->vws;
struct virgl_resource *res;
unsigned i;
for (i = 0; i < vctx->num_vertex_buffers; i++) {
res = virgl_resource(vctx->vertex_buffer[i].buffer.resource);
if (res)
vws->emit_res(vws, vctx->cbuf, res->hw_res, FALSE);
}
}
static void virgl_attach_res_index_buffer(struct virgl_context *vctx,
struct virgl_indexbuf *ib)
{
struct virgl_winsys *vws = virgl_screen(vctx->base.screen)->vws;
struct virgl_resource *res;
res = virgl_resource(ib->buffer);
if (res)
vws->emit_res(vws, vctx->cbuf, res->hw_res, FALSE);
}
static void virgl_attach_res_so_targets(struct virgl_context *vctx)
{
struct virgl_winsys *vws = virgl_screen(vctx->base.screen)->vws;
struct virgl_resource *res;
unsigned i;
for (i = 0; i < vctx->num_so_targets; i++) {
res = virgl_resource(vctx->so_targets[i].base.buffer);
if (res)
vws->emit_res(vws, vctx->cbuf, res->hw_res, FALSE);
}
}
static void virgl_attach_res_uniform_buffers(struct virgl_context *vctx,
enum pipe_shader_type shader_type)
{
struct virgl_winsys *vws = virgl_screen(vctx->base.screen)->vws;
const struct virgl_shader_binding_state *binding =
&vctx->shader_bindings[shader_type];
uint32_t remaining_mask = binding->ubo_enabled_mask;
struct virgl_resource *res;
while (remaining_mask) {
int i = u_bit_scan(&remaining_mask);
res = virgl_resource(binding->ubos[i].buffer);
assert(res);
vws->emit_res(vws, vctx->cbuf, res->hw_res, FALSE);
}
}
static void virgl_attach_res_shader_buffers(struct virgl_context *vctx,
enum pipe_shader_type shader_type)
{
struct virgl_winsys *vws = virgl_screen(vctx->base.screen)->vws;
const struct virgl_shader_binding_state *binding =
&vctx->shader_bindings[shader_type];
uint32_t remaining_mask = binding->ssbo_enabled_mask;
struct virgl_resource *res;
while (remaining_mask) {
int i = u_bit_scan(&remaining_mask);
res = virgl_resource(binding->ssbos[i].buffer);
assert(res);
vws->emit_res(vws, vctx->cbuf, res->hw_res, FALSE);
}
}
static void virgl_attach_res_shader_images(struct virgl_context *vctx,
enum pipe_shader_type shader_type)
{
struct virgl_winsys *vws = virgl_screen(vctx->base.screen)->vws;
const struct virgl_shader_binding_state *binding =
&vctx->shader_bindings[shader_type];
uint32_t remaining_mask = binding->image_enabled_mask;
struct virgl_resource *res;
while (remaining_mask) {
int i = u_bit_scan(&remaining_mask);
res = virgl_resource(binding->images[i].resource);
assert(res);
vws->emit_res(vws, vctx->cbuf, res->hw_res, FALSE);
}
}
static void virgl_attach_res_atomic_buffers(struct virgl_context *vctx)
{
struct virgl_winsys *vws = virgl_screen(vctx->base.screen)->vws;
uint32_t remaining_mask = vctx->atomic_buffer_enabled_mask;
struct virgl_resource *res;
while (remaining_mask) {
int i = u_bit_scan(&remaining_mask);
res = virgl_resource(vctx->atomic_buffers[i].buffer);
assert(res);
vws->emit_res(vws, vctx->cbuf, res->hw_res, FALSE);
}
}
/*
* after flushing, the hw context still has a bunch of
* resources bound, so we need to rebind those here.
*/
static void virgl_reemit_draw_resources(struct virgl_context *vctx)
{
enum pipe_shader_type shader_type;
/* reattach any flushed resources */
/* framebuffer, sampler views, vertex/index/uniform/stream buffers */
virgl_attach_res_framebuffer(vctx);
for (shader_type = 0; shader_type < PIPE_SHADER_COMPUTE; shader_type++) {
virgl_attach_res_sampler_views(vctx, shader_type);
virgl_attach_res_uniform_buffers(vctx, shader_type);
virgl_attach_res_shader_buffers(vctx, shader_type);
virgl_attach_res_shader_images(vctx, shader_type);
}
virgl_attach_res_atomic_buffers(vctx);
virgl_attach_res_vertex_buffers(vctx);
virgl_attach_res_so_targets(vctx);
}
static void virgl_reemit_compute_resources(struct virgl_context *vctx)
{
virgl_attach_res_sampler_views(vctx, PIPE_SHADER_COMPUTE);
virgl_attach_res_uniform_buffers(vctx, PIPE_SHADER_COMPUTE);
virgl_attach_res_shader_buffers(vctx, PIPE_SHADER_COMPUTE);
virgl_attach_res_shader_images(vctx, PIPE_SHADER_COMPUTE);
virgl_attach_res_atomic_buffers(vctx);
}
static struct pipe_surface *virgl_create_surface(struct pipe_context *ctx,
struct pipe_resource *resource,
const struct pipe_surface *templ)
{
struct virgl_context *vctx = virgl_context(ctx);
struct virgl_surface *surf;
struct virgl_resource *res = virgl_resource(resource);
uint32_t handle;
/* no support for buffer surfaces */
if (resource->target == PIPE_BUFFER)
return NULL;
surf = CALLOC_STRUCT(virgl_surface);
if (!surf)
return NULL;
assert(ctx->screen->get_param(ctx->screen,
PIPE_CAP_DEST_SURFACE_SRGB_CONTROL) ||
(util_format_is_srgb(templ->format) ==
util_format_is_srgb(resource->format)));
virgl_resource_dirty(res, 0);
handle = virgl_object_assign_handle();
pipe_reference_init(&surf->base.reference, 1);
pipe_resource_reference(&surf->base.texture, resource);
surf->base.context = ctx;
surf->base.format = templ->format;
surf->base.width = u_minify(resource->width0, templ->u.tex.level);
surf->base.height = u_minify(resource->height0, templ->u.tex.level);
surf->base.u.tex.level = templ->u.tex.level;
surf->base.u.tex.first_layer = templ->u.tex.first_layer;
surf->base.u.tex.last_layer = templ->u.tex.last_layer;
virgl_encoder_create_surface(vctx, handle, res, &surf->base);
surf->handle = handle;
return &surf->base;
}
static void virgl_surface_destroy(struct pipe_context *ctx,
struct pipe_surface *psurf)
{
struct virgl_context *vctx = virgl_context(ctx);
struct virgl_surface *surf = virgl_surface(psurf);
pipe_resource_reference(&surf->base.texture, NULL);
virgl_encode_delete_object(vctx, surf->handle, VIRGL_OBJECT_SURFACE);
FREE(surf);
}
static void *virgl_create_blend_state(struct pipe_context *ctx,
const struct pipe_blend_state *blend_state)
{
struct virgl_context *vctx = virgl_context(ctx);
uint32_t handle;
handle = virgl_object_assign_handle();
virgl_encode_blend_state(vctx, handle, blend_state);
return (void *)(unsigned long)handle;
}
static void virgl_bind_blend_state(struct pipe_context *ctx,
void *blend_state)
{
struct virgl_context *vctx = virgl_context(ctx);
uint32_t handle = (unsigned long)blend_state;
virgl_encode_bind_object(vctx, handle, VIRGL_OBJECT_BLEND);
}
static void virgl_delete_blend_state(struct pipe_context *ctx,
void *blend_state)
{
struct virgl_context *vctx = virgl_context(ctx);
uint32_t handle = (unsigned long)blend_state;
virgl_encode_delete_object(vctx, handle, VIRGL_OBJECT_BLEND);
}
static void *virgl_create_depth_stencil_alpha_state(struct pipe_context *ctx,
const struct pipe_depth_stencil_alpha_state *blend_state)
{
struct virgl_context *vctx = virgl_context(ctx);
uint32_t handle;
handle = virgl_object_assign_handle();
virgl_encode_dsa_state(vctx, handle, blend_state);
return (void *)(unsigned long)handle;
}
static void virgl_bind_depth_stencil_alpha_state(struct pipe_context *ctx,
void *blend_state)
{
struct virgl_context *vctx = virgl_context(ctx);
uint32_t handle = (unsigned long)blend_state;
virgl_encode_bind_object(vctx, handle, VIRGL_OBJECT_DSA);
}
static void virgl_delete_depth_stencil_alpha_state(struct pipe_context *ctx,
void *dsa_state)
{
struct virgl_context *vctx = virgl_context(ctx);
uint32_t handle = (unsigned long)dsa_state;
virgl_encode_delete_object(vctx, handle, VIRGL_OBJECT_DSA);
}
static void *virgl_create_rasterizer_state(struct pipe_context *ctx,
const struct pipe_rasterizer_state *rs_state)
{
struct virgl_context *vctx = virgl_context(ctx);
struct virgl_rasterizer_state *vrs = CALLOC_STRUCT(virgl_rasterizer_state);
if (!vrs)
return NULL;
vrs->rs = *rs_state;
vrs->handle = virgl_object_assign_handle();
assert(rs_state->depth_clip_near ||
virgl_screen(ctx->screen)->caps.caps.v1.bset.depth_clip_disable);
virgl_encode_rasterizer_state(vctx, vrs->handle, rs_state);
return (void *)vrs;
}
static void virgl_bind_rasterizer_state(struct pipe_context *ctx,
void *rs_state)
{
struct virgl_context *vctx = virgl_context(ctx);
uint32_t handle = 0;
if (rs_state) {
struct virgl_rasterizer_state *vrs = rs_state;
vctx->rs_state = *vrs;
handle = vrs->handle;
}
virgl_encode_bind_object(vctx, handle, VIRGL_OBJECT_RASTERIZER);
}
static void virgl_delete_rasterizer_state(struct pipe_context *ctx,
void *rs_state)
{
struct virgl_context *vctx = virgl_context(ctx);
struct virgl_rasterizer_state *vrs = rs_state;
virgl_encode_delete_object(vctx, vrs->handle, VIRGL_OBJECT_RASTERIZER);
FREE(vrs);
}
static void virgl_set_framebuffer_state(struct pipe_context *ctx,
const struct pipe_framebuffer_state *state)
{
struct virgl_context *vctx = virgl_context(ctx);
vctx->framebuffer = *state;
virgl_encoder_set_framebuffer_state(vctx, state);
virgl_attach_res_framebuffer(vctx);
}
static void virgl_set_viewport_states(struct pipe_context *ctx,
unsigned start_slot,
unsigned num_viewports,
const struct pipe_viewport_state *state)
{
struct virgl_context *vctx = virgl_context(ctx);
virgl_encoder_set_viewport_states(vctx, start_slot, num_viewports, state);
}
static void *virgl_create_vertex_elements_state(struct pipe_context *ctx,
unsigned num_elements,
const struct pipe_vertex_element *elements)
{
struct pipe_vertex_element new_elements[PIPE_MAX_ATTRIBS];
struct virgl_context *vctx = virgl_context(ctx);
struct virgl_vertex_elements_state *state =
CALLOC_STRUCT(virgl_vertex_elements_state);
for (int i = 0; i < num_elements; ++i) {
if (elements[i].instance_divisor) {
/* Virglrenderer doesn't deal with instance_divisor correctly if
* there isn't a 1:1 relationship between elements and bindings.
* So let's make sure there is, by duplicating bindings.
*/
for (int j = 0; j < num_elements; ++j) {
new_elements[j] = elements[j];
new_elements[j].vertex_buffer_index = j;
state->binding_map[j] = elements[j].vertex_buffer_index;
}
elements = new_elements;
state->num_bindings = num_elements;
break;
}
}
state->handle = virgl_object_assign_handle();
virgl_encoder_create_vertex_elements(vctx, state->handle,
num_elements, elements);
return state;
}
static void virgl_delete_vertex_elements_state(struct pipe_context *ctx,
void *ve)
{
struct virgl_context *vctx = virgl_context(ctx);
struct virgl_vertex_elements_state *state =
(struct virgl_vertex_elements_state *)ve;
virgl_encode_delete_object(vctx, state->handle, VIRGL_OBJECT_VERTEX_ELEMENTS);
FREE(state);
}
static void virgl_bind_vertex_elements_state(struct pipe_context *ctx,
void *ve)
{
struct virgl_context *vctx = virgl_context(ctx);
struct virgl_vertex_elements_state *state =
(struct virgl_vertex_elements_state *)ve;
vctx->vertex_elements = state;
virgl_encode_bind_object(vctx, state ? state->handle : 0,
VIRGL_OBJECT_VERTEX_ELEMENTS);
vctx->vertex_array_dirty = TRUE;
}
static void virgl_set_vertex_buffers(struct pipe_context *ctx,
unsigned start_slot,
unsigned num_buffers,
const struct pipe_vertex_buffer *buffers)
{
struct virgl_context *vctx = virgl_context(ctx);
util_set_vertex_buffers_count(vctx->vertex_buffer,
&vctx->num_vertex_buffers,
buffers, start_slot, num_buffers);
if (buffers) {
for (unsigned i = 0; i < num_buffers; i++) {
struct virgl_resource *res =
virgl_resource(buffers[i].buffer.resource);
if (res && !buffers[i].is_user_buffer)
res->bind_history |= PIPE_BIND_VERTEX_BUFFER;
}
}
vctx->vertex_array_dirty = TRUE;
}
static void virgl_hw_set_vertex_buffers(struct virgl_context *vctx)
{
if (vctx->vertex_array_dirty) {
struct virgl_vertex_elements_state *ve = vctx->vertex_elements;
if (ve->num_bindings) {
struct pipe_vertex_buffer vertex_buffers[PIPE_MAX_ATTRIBS];
for (int i = 0; i < ve->num_bindings; ++i)
vertex_buffers[i] = vctx->vertex_buffer[ve->binding_map[i]];
virgl_encoder_set_vertex_buffers(vctx, ve->num_bindings, vertex_buffers);
} else
virgl_encoder_set_vertex_buffers(vctx, vctx->num_vertex_buffers, vctx->vertex_buffer);
virgl_attach_res_vertex_buffers(vctx);
vctx->vertex_array_dirty = FALSE;
}
}
static void virgl_set_stencil_ref(struct pipe_context *ctx,
const struct pipe_stencil_ref *ref)
{
struct virgl_context *vctx = virgl_context(ctx);
virgl_encoder_set_stencil_ref(vctx, ref);
}
static void virgl_set_blend_color(struct pipe_context *ctx,
const struct pipe_blend_color *color)
{
struct virgl_context *vctx = virgl_context(ctx);
virgl_encoder_set_blend_color(vctx, color);
}
static void virgl_hw_set_index_buffer(struct virgl_context *vctx,
struct virgl_indexbuf *ib)
{
virgl_encoder_set_index_buffer(vctx, ib);
virgl_attach_res_index_buffer(vctx, ib);
}
static void virgl_set_constant_buffer(struct pipe_context *ctx,
enum pipe_shader_type shader, uint index,
const struct pipe_constant_buffer *buf)
{
struct virgl_context *vctx = virgl_context(ctx);
struct virgl_shader_binding_state *binding =
&vctx->shader_bindings[shader];
if (buf && buf->buffer) {
struct virgl_resource *res = virgl_resource(buf->buffer);
res->bind_history |= PIPE_BIND_CONSTANT_BUFFER;
virgl_encoder_set_uniform_buffer(vctx, shader, index,
buf->buffer_offset,
buf->buffer_size, res);
pipe_resource_reference(&binding->ubos[index].buffer, buf->buffer);
binding->ubos[index] = *buf;
binding->ubo_enabled_mask |= 1 << index;
} else {
static const struct pipe_constant_buffer dummy_ubo;
if (!buf)
buf = &dummy_ubo;
virgl_encoder_write_constant_buffer(vctx, shader, index,
buf->buffer_size / 4,
buf->user_buffer);
pipe_resource_reference(&binding->ubos[index].buffer, NULL);
binding->ubo_enabled_mask &= ~(1 << index);
}
}
static void *virgl_shader_encoder(struct pipe_context *ctx,
const struct pipe_shader_state *shader,
unsigned type)
{
struct virgl_context *vctx = virgl_context(ctx);
uint32_t handle;
struct tgsi_token *new_tokens;
int ret;
new_tokens = virgl_tgsi_transform(vctx, shader->tokens);
if (!new_tokens)
return NULL;
handle = virgl_object_assign_handle();
/* encode VS state */
ret = virgl_encode_shader_state(vctx, handle, type,
&shader->stream_output, 0,
new_tokens);
if (ret) {
return NULL;
}
FREE(new_tokens);
return (void *)(unsigned long)handle;
}
static void *virgl_create_vs_state(struct pipe_context *ctx,
const struct pipe_shader_state *shader)
{
return virgl_shader_encoder(ctx, shader, PIPE_SHADER_VERTEX);
}
static void *virgl_create_tcs_state(struct pipe_context *ctx,
const struct pipe_shader_state *shader)
{
return virgl_shader_encoder(ctx, shader, PIPE_SHADER_TESS_CTRL);
}
static void *virgl_create_tes_state(struct pipe_context *ctx,
const struct pipe_shader_state *shader)
{
return virgl_shader_encoder(ctx, shader, PIPE_SHADER_TESS_EVAL);
}
static void *virgl_create_gs_state(struct pipe_context *ctx,
const struct pipe_shader_state *shader)
{
return virgl_shader_encoder(ctx, shader, PIPE_SHADER_GEOMETRY);
}
static void *virgl_create_fs_state(struct pipe_context *ctx,
const struct pipe_shader_state *shader)
{
return virgl_shader_encoder(ctx, shader, PIPE_SHADER_FRAGMENT);
}
static void
virgl_delete_fs_state(struct pipe_context *ctx,
void *fs)
{
uint32_t handle = (unsigned long)fs;
struct virgl_context *vctx = virgl_context(ctx);
virgl_encode_delete_object(vctx, handle, VIRGL_OBJECT_SHADER);
}
static void
virgl_delete_gs_state(struct pipe_context *ctx,
void *gs)
{
uint32_t handle = (unsigned long)gs;
struct virgl_context *vctx = virgl_context(ctx);
virgl_encode_delete_object(vctx, handle, VIRGL_OBJECT_SHADER);
}
static void
virgl_delete_vs_state(struct pipe_context *ctx,
void *vs)
{
uint32_t handle = (unsigned long)vs;
struct virgl_context *vctx = virgl_context(ctx);
virgl_encode_delete_object(vctx, handle, VIRGL_OBJECT_SHADER);
}
static void
virgl_delete_tcs_state(struct pipe_context *ctx,
void *tcs)
{
uint32_t handle = (unsigned long)tcs;
struct virgl_context *vctx = virgl_context(ctx);
virgl_encode_delete_object(vctx, handle, VIRGL_OBJECT_SHADER);
}
static void
virgl_delete_tes_state(struct pipe_context *ctx,
void *tes)
{
uint32_t handle = (unsigned long)tes;
struct virgl_context *vctx = virgl_context(ctx);
virgl_encode_delete_object(vctx, handle, VIRGL_OBJECT_SHADER);
}
static void virgl_bind_vs_state(struct pipe_context *ctx,
void *vss)
{
uint32_t handle = (unsigned long)vss;
struct virgl_context *vctx = virgl_context(ctx);
virgl_encode_bind_shader(vctx, handle, PIPE_SHADER_VERTEX);
}
static void virgl_bind_tcs_state(struct pipe_context *ctx,
void *vss)
{
uint32_t handle = (unsigned long)vss;
struct virgl_context *vctx = virgl_context(ctx);
virgl_encode_bind_shader(vctx, handle, PIPE_SHADER_TESS_CTRL);
}
static void virgl_bind_tes_state(struct pipe_context *ctx,
void *vss)
{
uint32_t handle = (unsigned long)vss;
struct virgl_context *vctx = virgl_context(ctx);
virgl_encode_bind_shader(vctx, handle, PIPE_SHADER_TESS_EVAL);
}
static void virgl_bind_gs_state(struct pipe_context *ctx,
void *vss)
{
uint32_t handle = (unsigned long)vss;
struct virgl_context *vctx = virgl_context(ctx);
virgl_encode_bind_shader(vctx, handle, PIPE_SHADER_GEOMETRY);
}
static void virgl_bind_fs_state(struct pipe_context *ctx,
void *vss)
{
uint32_t handle = (unsigned long)vss;
struct virgl_context *vctx = virgl_context(ctx);
virgl_encode_bind_shader(vctx, handle, PIPE_SHADER_FRAGMENT);
}
static void virgl_clear(struct pipe_context *ctx,
unsigned buffers,
const struct pipe_scissor_state *scissor_state,
const union pipe_color_union *color,
double depth, unsigned stencil)
{
struct virgl_context *vctx = virgl_context(ctx);
if (!vctx->num_draws)
virgl_reemit_draw_resources(vctx);
vctx->num_draws++;
virgl_encode_clear(vctx, buffers, color, depth, stencil);
}
static void virgl_clear_texture(struct pipe_context *ctx,
struct pipe_resource *res,
unsigned int level,
const struct pipe_box *box,
const void *data)
{
struct virgl_context *vctx = virgl_context(ctx);
struct virgl_resource *vres = virgl_resource(res);
virgl_encode_clear_texture(vctx, vres, level, box, data);
/* Mark as dirty, since we are updating the host side resource
* without going through the corresponding guest side resource, and
* hence the two will diverge.
*/
virgl_resource_dirty(vres, level);
}
static void virgl_draw_vbo(struct pipe_context *ctx,
const struct pipe_draw_info *dinfo)
{
struct virgl_context *vctx = virgl_context(ctx);
struct virgl_screen *rs = virgl_screen(ctx->screen);
struct virgl_indexbuf ib = {};
struct pipe_draw_info info = *dinfo;
if (!dinfo->count_from_stream_output && !dinfo->indirect &&
!dinfo->primitive_restart &&
!u_trim_pipe_prim(dinfo->mode, (unsigned*)&dinfo->count))
return;
if (!(rs->caps.caps.v1.prim_mask & (1 << dinfo->mode))) {
util_primconvert_save_rasterizer_state(vctx->primconvert, &vctx->rs_state.rs);
util_primconvert_draw_vbo(vctx->primconvert, dinfo);
return;
}
if (info.index_size) {
pipe_resource_reference(&ib.buffer, info.has_user_indices ? NULL : info.index.resource);
ib.user_buffer = info.has_user_indices ? info.index.user : NULL;
ib.index_size = dinfo->index_size;
ib.offset = info.start * ib.index_size;
if (ib.user_buffer) {
u_upload_data(vctx->uploader, 0, info.count * ib.index_size, 4,
ib.user_buffer, &ib.offset, &ib.buffer);
ib.user_buffer = NULL;
}
}
if (!vctx->num_draws)
virgl_reemit_draw_resources(vctx);
vctx->num_draws++;
virgl_hw_set_vertex_buffers(vctx);
if (info.index_size)
virgl_hw_set_index_buffer(vctx, &ib);
virgl_encoder_draw_vbo(vctx, &info);
pipe_resource_reference(&ib.buffer, NULL);
}
static void virgl_submit_cmd(struct virgl_winsys *vws,
struct virgl_cmd_buf *cbuf,
struct pipe_fence_handle **fence)
{
if (unlikely(virgl_debug & VIRGL_DEBUG_SYNC)) {
struct pipe_fence_handle *sync_fence = NULL;
vws->submit_cmd(vws, cbuf, &sync_fence);
vws->fence_wait(vws, sync_fence, PIPE_TIMEOUT_INFINITE);
vws->fence_reference(vws, &sync_fence, NULL);
} else {
vws->submit_cmd(vws, cbuf, fence);
}
}
static void virgl_flush_eq(struct virgl_context *ctx, void *closure,
struct pipe_fence_handle **fence)
{
struct virgl_screen *rs = virgl_screen(ctx->base.screen);
/* skip empty cbuf */
if (ctx->cbuf->cdw == ctx->cbuf_initial_cdw &&
ctx->queue.num_dwords == 0 &&
!fence)
return;
if (ctx->num_draws)
u_upload_unmap(ctx->uploader);
/* send the buffer to the remote side for decoding */
ctx->num_draws = ctx->num_compute = 0;
virgl_transfer_queue_clear(&ctx->queue, ctx->cbuf);
virgl_submit_cmd(rs->vws, ctx->cbuf, fence);
/* Reserve some space for transfers. */
if (ctx->encoded_transfers)
ctx->cbuf->cdw = VIRGL_MAX_TBUF_DWORDS;
virgl_encoder_set_sub_ctx(ctx, ctx->hw_sub_ctx_id);
ctx->cbuf_initial_cdw = ctx->cbuf->cdw;
/* We have flushed the command queue, including any pending copy transfers
* involving staging resources.
*/
ctx->queued_staging_res_size = 0;
}
static void virgl_flush_from_st(struct pipe_context *ctx,
struct pipe_fence_handle **fence,
enum pipe_flush_flags flags)
{
struct virgl_context *vctx = virgl_context(ctx);
virgl_flush_eq(vctx, vctx, fence);
}
static struct pipe_sampler_view *virgl_create_sampler_view(struct pipe_context *ctx,
struct pipe_resource *texture,
const struct pipe_sampler_view *state)
{
struct virgl_context *vctx = virgl_context(ctx);
struct virgl_sampler_view *grview;
uint32_t handle;
struct virgl_resource *res;
if (!state)
return NULL;
grview = CALLOC_STRUCT(virgl_sampler_view);
if (!grview)
return NULL;
res = virgl_resource(texture);
handle = virgl_object_assign_handle();
virgl_encode_sampler_view(vctx, handle, res, state);
grview->base = *state;
grview->base.reference.count = 1;
grview->base.texture = NULL;
grview->base.context = ctx;
pipe_resource_reference(&grview->base.texture, texture);
grview->handle = handle;
return &grview->base;
}
static void virgl_set_sampler_views(struct pipe_context *ctx,
enum pipe_shader_type shader_type,
unsigned start_slot,
unsigned num_views,
struct pipe_sampler_view **views)
{
struct virgl_context *vctx = virgl_context(ctx);
struct virgl_shader_binding_state *binding =
&vctx->shader_bindings[shader_type];
binding->view_enabled_mask &= ~u_bit_consecutive(start_slot, num_views);
for (unsigned i = 0; i < num_views; i++) {
unsigned idx = start_slot + i;
if (views && views[i]) {
struct virgl_resource *res = virgl_resource(views[i]->texture);
res->bind_history |= PIPE_BIND_SAMPLER_VIEW;
pipe_sampler_view_reference(&binding->views[idx], views[i]);
binding->view_enabled_mask |= 1 << idx;
} else {
pipe_sampler_view_reference(&binding->views[idx], NULL);
}
}
virgl_encode_set_sampler_views(vctx, shader_type,
start_slot, num_views, (struct virgl_sampler_view **)binding->views);
virgl_attach_res_sampler_views(vctx, shader_type);
}
static void
virgl_texture_barrier(struct pipe_context *ctx, unsigned flags)
{
struct virgl_context *vctx = virgl_context(ctx);
struct virgl_screen *rs = virgl_screen(ctx->screen);
if (!(rs->caps.caps.v2.capability_bits & VIRGL_CAP_TEXTURE_BARRIER) &&
!(rs->caps.caps.v2.capability_bits_v2 & VIRGL_CAP_V2_BLEND_EQUATION))
return;
virgl_encode_texture_barrier(vctx, flags);
}
static void virgl_destroy_sampler_view(struct pipe_context *ctx,
struct pipe_sampler_view *view)
{
struct virgl_context *vctx = virgl_context(ctx);
struct virgl_sampler_view *grview = virgl_sampler_view(view);
virgl_encode_delete_object(vctx, grview->handle, VIRGL_OBJECT_SAMPLER_VIEW);
pipe_resource_reference(&view->texture, NULL);
FREE(view);
}
static void *virgl_create_sampler_state(struct pipe_context *ctx,
const struct pipe_sampler_state *state)
{
struct virgl_context *vctx = virgl_context(ctx);
uint32_t handle;
handle = virgl_object_assign_handle();
virgl_encode_sampler_state(vctx, handle, state);
return (void *)(unsigned long)handle;
}
static void virgl_delete_sampler_state(struct pipe_context *ctx,
void *ss)
{
struct virgl_context *vctx = virgl_context(ctx);
uint32_t handle = (unsigned long)ss;
virgl_encode_delete_object(vctx, handle, VIRGL_OBJECT_SAMPLER_STATE);
}
static void virgl_bind_sampler_states(struct pipe_context *ctx,
enum pipe_shader_type shader,
unsigned start_slot,
unsigned num_samplers,
void **samplers)
{
struct virgl_context *vctx = virgl_context(ctx);
uint32_t handles[32];
int i;
for (i = 0; i < num_samplers; i++) {
handles[i] = (unsigned long)(samplers[i]);
}
virgl_encode_bind_sampler_states(vctx, shader, start_slot, num_samplers, handles);
}
static void virgl_set_polygon_stipple(struct pipe_context *ctx,
const struct pipe_poly_stipple *ps)
{
struct virgl_context *vctx = virgl_context(ctx);
virgl_encoder_set_polygon_stipple(vctx, ps);
}
static void virgl_set_scissor_states(struct pipe_context *ctx,
unsigned start_slot,
unsigned num_scissor,
const struct pipe_scissor_state *ss)
{
struct virgl_context *vctx = virgl_context(ctx);
virgl_encoder_set_scissor_state(vctx, start_slot, num_scissor, ss);
}
static void virgl_set_sample_mask(struct pipe_context *ctx,
unsigned sample_mask)
{
struct virgl_context *vctx = virgl_context(ctx);
virgl_encoder_set_sample_mask(vctx, sample_mask);
}
static void virgl_set_min_samples(struct pipe_context *ctx,
unsigned min_samples)
{
struct virgl_context *vctx = virgl_context(ctx);
struct virgl_screen *rs = virgl_screen(ctx->screen);
if (!(rs->caps.caps.v2.capability_bits & VIRGL_CAP_SET_MIN_SAMPLES))
return;
virgl_encoder_set_min_samples(vctx, min_samples);
}
static void virgl_set_clip_state(struct pipe_context *ctx,
const struct pipe_clip_state *clip)
{
struct virgl_context *vctx = virgl_context(ctx);
virgl_encoder_set_clip_state(vctx, clip);
}
static void virgl_set_tess_state(struct pipe_context *ctx,
const float default_outer_level[4],
const float default_inner_level[2])
{
struct virgl_context *vctx = virgl_context(ctx);
struct virgl_screen *rs = virgl_screen(ctx->screen);
if (!rs->caps.caps.v1.bset.has_tessellation_shaders)
return;
virgl_encode_set_tess_state(vctx, default_outer_level, default_inner_level);
}
static void virgl_resource_copy_region(struct pipe_context *ctx,
struct pipe_resource *dst,
unsigned dst_level,
unsigned dstx, unsigned dsty, unsigned dstz,
struct pipe_resource *src,
unsigned src_level,
const struct pipe_box *src_box)
{
struct virgl_context *vctx = virgl_context(ctx);
struct virgl_resource *dres = virgl_resource(dst);
struct virgl_resource *sres = virgl_resource(src);
if (dres->u.b.target == PIPE_BUFFER)
util_range_add(&dres->u.b, &dres->valid_buffer_range, dstx, dstx + src_box->width);
virgl_resource_dirty(dres, dst_level);
virgl_encode_resource_copy_region(vctx, dres,
dst_level, dstx, dsty, dstz,
sres, src_level,
src_box);
}
static void
virgl_flush_resource(struct pipe_context *pipe,
struct pipe_resource *resource)
{
}
static void virgl_blit(struct pipe_context *ctx,
const struct pipe_blit_info *blit)
{
struct virgl_context *vctx = virgl_context(ctx);
struct virgl_resource *dres = virgl_resource(blit->dst.resource);
struct virgl_resource *sres = virgl_resource(blit->src.resource);
assert(ctx->screen->get_param(ctx->screen,
PIPE_CAP_DEST_SURFACE_SRGB_CONTROL) ||
(util_format_is_srgb(blit->dst.resource->format) ==
util_format_is_srgb(blit->dst.format)));
virgl_resource_dirty(dres, blit->dst.level);
virgl_encode_blit(vctx, dres, sres,
blit);
}
static void virgl_set_hw_atomic_buffers(struct pipe_context *ctx,
unsigned start_slot,
unsigned count,
const struct pipe_shader_buffer *buffers)
{
struct virgl_context *vctx = virgl_context(ctx);
vctx->atomic_buffer_enabled_mask &= ~u_bit_consecutive(start_slot, count);
for (unsigned i = 0; i < count; i++) {
unsigned idx = start_slot + i;
if (buffers && buffers[i].buffer) {
struct virgl_resource *res = virgl_resource(buffers[i].buffer);
res->bind_history |= PIPE_BIND_SHADER_BUFFER;
pipe_resource_reference(&vctx->atomic_buffers[idx].buffer,
buffers[i].buffer);
vctx->atomic_buffers[idx] = buffers[i];
vctx->atomic_buffer_enabled_mask |= 1 << idx;
} else {
pipe_resource_reference(&vctx->atomic_buffers[idx].buffer, NULL);
}
}
virgl_encode_set_hw_atomic_buffers(vctx, start_slot, count, buffers);
}
static void virgl_set_shader_buffers(struct pipe_context *ctx,
enum pipe_shader_type shader,
unsigned start_slot, unsigned count,
const struct pipe_shader_buffer *buffers,
unsigned writable_bitmask)
{
struct virgl_context *vctx = virgl_context(ctx);
struct virgl_screen *rs = virgl_screen(ctx->screen);
struct virgl_shader_binding_state *binding =
&vctx->shader_bindings[shader];
binding->ssbo_enabled_mask &= ~u_bit_consecutive(start_slot, count);
for (unsigned i = 0; i < count; i++) {
unsigned idx = start_slot + i;
if (buffers && buffers[i].buffer) {
struct virgl_resource *res = virgl_resource(buffers[i].buffer);
res->bind_history |= PIPE_BIND_SHADER_BUFFER;
pipe_resource_reference(&binding->ssbos[idx].buffer, buffers[i].buffer);
binding->ssbos[idx] = buffers[i];
binding->ssbo_enabled_mask |= 1 << idx;
} else {
pipe_resource_reference(&binding->ssbos[idx].buffer, NULL);
}
}
uint32_t max_shader_buffer = (shader == PIPE_SHADER_FRAGMENT || shader == PIPE_SHADER_COMPUTE) ?
rs->caps.caps.v2.max_shader_buffer_frag_compute :
rs->caps.caps.v2.max_shader_buffer_other_stages;
if (!max_shader_buffer)
return;
virgl_encode_set_shader_buffers(vctx, shader, start_slot, count, buffers);
}
static void virgl_create_fence_fd(struct pipe_context *ctx,
struct pipe_fence_handle **fence,
int fd,
enum pipe_fd_type type)
{
assert(type == PIPE_FD_TYPE_NATIVE_SYNC);
struct virgl_screen *rs = virgl_screen(ctx->screen);
if (rs->vws->cs_create_fence)
*fence = rs->vws->cs_create_fence(rs->vws, fd);
}
static void virgl_fence_server_sync(struct pipe_context *ctx,
struct pipe_fence_handle *fence)
{
struct virgl_context *vctx = virgl_context(ctx);
struct virgl_screen *rs = virgl_screen(ctx->screen);
if (rs->vws->fence_server_sync)
rs->vws->fence_server_sync(rs->vws, vctx->cbuf, fence);
}
static void virgl_set_shader_images(struct pipe_context *ctx,
enum pipe_shader_type shader,
unsigned start_slot, unsigned count,
const struct pipe_image_view *images)
{
struct virgl_context *vctx = virgl_context(ctx);
struct virgl_screen *rs = virgl_screen(ctx->screen);
struct virgl_shader_binding_state *binding =
&vctx->shader_bindings[shader];
binding->image_enabled_mask &= ~u_bit_consecutive(start_slot, count);
for (unsigned i = 0; i < count; i++) {
unsigned idx = start_slot + i;
if (images && images[i].resource) {
struct virgl_resource *res = virgl_resource(images[i].resource);
res->bind_history |= PIPE_BIND_SHADER_IMAGE;
pipe_resource_reference(&binding->images[idx].resource,
images[i].resource);
binding->images[idx] = images[i];
binding->image_enabled_mask |= 1 << idx;
} else {
pipe_resource_reference(&binding->images[idx].resource, NULL);
}
}
uint32_t max_shader_images = (shader == PIPE_SHADER_FRAGMENT || shader == PIPE_SHADER_COMPUTE) ?
rs->caps.caps.v2.max_shader_image_frag_compute :
rs->caps.caps.v2.max_shader_image_other_stages;
if (!max_shader_images)
return;
virgl_encode_set_shader_images(vctx, shader, start_slot, count, images);
}
static void virgl_memory_barrier(struct pipe_context *ctx,
unsigned flags)
{
struct virgl_context *vctx = virgl_context(ctx);
struct virgl_screen *rs = virgl_screen(ctx->screen);
if (!(rs->caps.caps.v2.capability_bits & VIRGL_CAP_MEMORY_BARRIER))
return;
virgl_encode_memory_barrier(vctx, flags);
}
static void *virgl_create_compute_state(struct pipe_context *ctx,
const struct pipe_compute_state *state)
{
struct virgl_context *vctx = virgl_context(ctx);
uint32_t handle;
const struct tgsi_token *new_tokens = state->prog;
struct pipe_stream_output_info so_info = {};
int ret;
handle = virgl_object_assign_handle();
ret = virgl_encode_shader_state(vctx, handle, PIPE_SHADER_COMPUTE,
&so_info,
state->req_local_mem,
new_tokens);
if (ret) {
return NULL;
}
return (void *)(unsigned long)handle;
}
static void virgl_bind_compute_state(struct pipe_context *ctx, void *state)
{
uint32_t handle = (unsigned long)state;
struct virgl_context *vctx = virgl_context(ctx);
virgl_encode_bind_shader(vctx, handle, PIPE_SHADER_COMPUTE);
}
static void virgl_delete_compute_state(struct pipe_context *ctx, void *state)
{
uint32_t handle = (unsigned long)state;
struct virgl_context *vctx = virgl_context(ctx);
virgl_encode_delete_object(vctx, handle, VIRGL_OBJECT_SHADER);
}
static void virgl_launch_grid(struct pipe_context *ctx,
const struct pipe_grid_info *info)
{
struct virgl_context *vctx = virgl_context(ctx);
if (!vctx->num_compute)
virgl_reemit_compute_resources(vctx);
vctx->num_compute++;
virgl_encode_launch_grid(vctx, info);
}
static void
virgl_release_shader_binding(struct virgl_context *vctx,
enum pipe_shader_type shader_type)
{
struct virgl_shader_binding_state *binding =
&vctx->shader_bindings[shader_type];
while (binding->view_enabled_mask) {
int i = u_bit_scan(&binding->view_enabled_mask);
pipe_sampler_view_reference(
(struct pipe_sampler_view **)&binding->views[i], NULL);
}
while (binding->ubo_enabled_mask) {
int i = u_bit_scan(&binding->ubo_enabled_mask);
pipe_resource_reference(&binding->ubos[i].buffer, NULL);
}
while (binding->ssbo_enabled_mask) {
int i = u_bit_scan(&binding->ssbo_enabled_mask);
pipe_resource_reference(&binding->ssbos[i].buffer, NULL);
}
while (binding->image_enabled_mask) {
int i = u_bit_scan(&binding->image_enabled_mask);
pipe_resource_reference(&binding->images[i].resource, NULL);
}
}
static void
virgl_context_destroy( struct pipe_context *ctx )
{
struct virgl_context *vctx = virgl_context(ctx);
struct virgl_screen *rs = virgl_screen(ctx->screen);
enum pipe_shader_type shader_type;
vctx->framebuffer.zsbuf = NULL;
vctx->framebuffer.nr_cbufs = 0;
virgl_encoder_destroy_sub_ctx(vctx, vctx->hw_sub_ctx_id);
virgl_flush_eq(vctx, vctx, NULL);
for (shader_type = 0; shader_type < PIPE_SHADER_TYPES; shader_type++)
virgl_release_shader_binding(vctx, shader_type);
while (vctx->atomic_buffer_enabled_mask) {
int i = u_bit_scan(&vctx->atomic_buffer_enabled_mask);
pipe_resource_reference(&vctx->atomic_buffers[i].buffer, NULL);
}
rs->vws->cmd_buf_destroy(vctx->cbuf);
if (vctx->uploader)
u_upload_destroy(vctx->uploader);
if (vctx->supports_staging)
virgl_staging_destroy(&vctx->staging);
util_primconvert_destroy(vctx->primconvert);
virgl_transfer_queue_fini(&vctx->queue);
slab_destroy_child(&vctx->transfer_pool);
FREE(vctx);
}
static void virgl_get_sample_position(struct pipe_context *ctx,
unsigned sample_count,
unsigned index,
float *out_value)
{
struct virgl_context *vctx = virgl_context(ctx);
struct virgl_screen *vs = virgl_screen(vctx->base.screen);
if (sample_count > vs->caps.caps.v1.max_samples) {
debug_printf("VIRGL: requested %d MSAA samples, but only %d supported\n",
sample_count, vs->caps.caps.v1.max_samples);
return;
}
/* The following is basically copied from dri/i965gen6_get_sample_position
* The only addition is that we hold the msaa positions for all sample
* counts in a flat array. */
uint32_t bits = 0;
if (sample_count == 1) {
out_value[0] = out_value[1] = 0.5f;
return;
} else if (sample_count == 2) {
bits = vs->caps.caps.v2.sample_locations[0] >> (8 * index);
} else if (sample_count <= 4) {
bits = vs->caps.caps.v2.sample_locations[1] >> (8 * index);
} else if (sample_count <= 8) {
bits = vs->caps.caps.v2.sample_locations[2 + (index >> 2)] >> (8 * (index & 3));
} else if (sample_count <= 16) {
bits = vs->caps.caps.v2.sample_locations[4 + (index >> 2)] >> (8 * (index & 3));
}
out_value[0] = ((bits >> 4) & 0xf) / 16.0f;
out_value[1] = (bits & 0xf) / 16.0f;
if (virgl_debug & VIRGL_DEBUG_VERBOSE)
debug_printf("VIRGL: sample postion [%2d/%2d] = (%f, %f)\n",
index, sample_count, out_value[0], out_value[1]);
}
static void virgl_send_tweaks(struct virgl_context *vctx, struct virgl_screen *rs)
{
if (rs->tweak_gles_emulate_bgra)
virgl_encode_tweak(vctx, virgl_tweak_gles_brga_emulate, 1);
if (rs->tweak_gles_apply_bgra_dest_swizzle)
virgl_encode_tweak(vctx, virgl_tweak_gles_brga_apply_dest_swizzle, 1);
if (rs->tweak_gles_tf3_value > 0)
virgl_encode_tweak(vctx, virgl_tweak_gles_tf3_samples_passes_multiplier,
rs->tweak_gles_tf3_value);
}
struct pipe_context *virgl_context_create(struct pipe_screen *pscreen,
void *priv,
unsigned flags)
{
struct virgl_context *vctx;
struct virgl_screen *rs = virgl_screen(pscreen);
vctx = CALLOC_STRUCT(virgl_context);
const char *host_debug_flagstring;
vctx->cbuf = rs->vws->cmd_buf_create(rs->vws, VIRGL_MAX_CMDBUF_DWORDS);
if (!vctx->cbuf) {
FREE(vctx);
return NULL;
}
vctx->base.destroy = virgl_context_destroy;
vctx->base.create_surface = virgl_create_surface;
vctx->base.surface_destroy = virgl_surface_destroy;
vctx->base.set_framebuffer_state = virgl_set_framebuffer_state;
vctx->base.create_blend_state = virgl_create_blend_state;
vctx->base.bind_blend_state = virgl_bind_blend_state;
vctx->base.delete_blend_state = virgl_delete_blend_state;
vctx->base.create_depth_stencil_alpha_state = virgl_create_depth_stencil_alpha_state;
vctx->base.bind_depth_stencil_alpha_state = virgl_bind_depth_stencil_alpha_state;
vctx->base.delete_depth_stencil_alpha_state = virgl_delete_depth_stencil_alpha_state;
vctx->base.create_rasterizer_state = virgl_create_rasterizer_state;
vctx->base.bind_rasterizer_state = virgl_bind_rasterizer_state;
vctx->base.delete_rasterizer_state = virgl_delete_rasterizer_state;
vctx->base.set_viewport_states = virgl_set_viewport_states;
vctx->base.create_vertex_elements_state = virgl_create_vertex_elements_state;
vctx->base.bind_vertex_elements_state = virgl_bind_vertex_elements_state;
vctx->base.delete_vertex_elements_state = virgl_delete_vertex_elements_state;
vctx->base.set_vertex_buffers = virgl_set_vertex_buffers;
vctx->base.set_constant_buffer = virgl_set_constant_buffer;
vctx->base.set_tess_state = virgl_set_tess_state;
vctx->base.create_vs_state = virgl_create_vs_state;
vctx->base.create_tcs_state = virgl_create_tcs_state;
vctx->base.create_tes_state = virgl_create_tes_state;
vctx->base.create_gs_state = virgl_create_gs_state;
vctx->base.create_fs_state = virgl_create_fs_state;
vctx->base.bind_vs_state = virgl_bind_vs_state;
vctx->base.bind_tcs_state = virgl_bind_tcs_state;
vctx->base.bind_tes_state = virgl_bind_tes_state;
vctx->base.bind_gs_state = virgl_bind_gs_state;
vctx->base.bind_fs_state = virgl_bind_fs_state;
vctx->base.delete_vs_state = virgl_delete_vs_state;
vctx->base.delete_tcs_state = virgl_delete_tcs_state;
vctx->base.delete_tes_state = virgl_delete_tes_state;
vctx->base.delete_gs_state = virgl_delete_gs_state;
vctx->base.delete_fs_state = virgl_delete_fs_state;
vctx->base.create_compute_state = virgl_create_compute_state;
vctx->base.bind_compute_state = virgl_bind_compute_state;
vctx->base.delete_compute_state = virgl_delete_compute_state;
vctx->base.launch_grid = virgl_launch_grid;
vctx->base.clear = virgl_clear;
vctx->base.clear_texture = virgl_clear_texture;
vctx->base.draw_vbo = virgl_draw_vbo;
vctx->base.flush = virgl_flush_from_st;
vctx->base.screen = pscreen;
vctx->base.create_sampler_view = virgl_create_sampler_view;
vctx->base.sampler_view_destroy = virgl_destroy_sampler_view;
vctx->base.set_sampler_views = virgl_set_sampler_views;
vctx->base.texture_barrier = virgl_texture_barrier;
vctx->base.create_sampler_state = virgl_create_sampler_state;
vctx->base.delete_sampler_state = virgl_delete_sampler_state;
vctx->base.bind_sampler_states = virgl_bind_sampler_states;
vctx->base.set_polygon_stipple = virgl_set_polygon_stipple;
vctx->base.set_scissor_states = virgl_set_scissor_states;
vctx->base.set_sample_mask = virgl_set_sample_mask;
vctx->base.set_min_samples = virgl_set_min_samples;
vctx->base.set_stencil_ref = virgl_set_stencil_ref;
vctx->base.set_clip_state = virgl_set_clip_state;
vctx->base.set_blend_color = virgl_set_blend_color;
vctx->base.get_sample_position = virgl_get_sample_position;
vctx->base.resource_copy_region = virgl_resource_copy_region;
vctx->base.flush_resource = virgl_flush_resource;
vctx->base.blit = virgl_blit;
vctx->base.create_fence_fd = virgl_create_fence_fd;
vctx->base.fence_server_sync = virgl_fence_server_sync;
vctx->base.set_shader_buffers = virgl_set_shader_buffers;
vctx->base.set_hw_atomic_buffers = virgl_set_hw_atomic_buffers;
vctx->base.set_shader_images = virgl_set_shader_images;
vctx->base.memory_barrier = virgl_memory_barrier;
virgl_init_context_resource_functions(&vctx->base);
virgl_init_query_functions(vctx);
virgl_init_so_functions(vctx);
slab_create_child(&vctx->transfer_pool, &rs->transfer_pool);
virgl_transfer_queue_init(&vctx->queue, vctx);
vctx->encoded_transfers = (rs->vws->supports_encoded_transfers &&
(rs->caps.caps.v2.capability_bits & VIRGL_CAP_TRANSFER));
/* Reserve some space for transfers. */
if (vctx->encoded_transfers)
vctx->cbuf->cdw = VIRGL_MAX_TBUF_DWORDS;
vctx->primconvert = util_primconvert_create(&vctx->base, rs->caps.caps.v1.prim_mask);
vctx->uploader = u_upload_create(&vctx->base, 1024 * 1024,
PIPE_BIND_INDEX_BUFFER, PIPE_USAGE_STREAM, 0);
if (!vctx->uploader)
goto fail;
vctx->base.stream_uploader = vctx->uploader;
vctx->base.const_uploader = vctx->uploader;
/* We use a special staging buffer as the source of copy transfers. */
if ((rs->caps.caps.v2.capability_bits & VIRGL_CAP_COPY_TRANSFER) &&
vctx->encoded_transfers) {
virgl_staging_init(&vctx->staging, &vctx->base, 1024 * 1024);
vctx->supports_staging = true;
}
vctx->hw_sub_ctx_id = rs->sub_ctx_id++;
virgl_encoder_create_sub_ctx(vctx, vctx->hw_sub_ctx_id);
virgl_encoder_set_sub_ctx(vctx, vctx->hw_sub_ctx_id);
if (rs->caps.caps.v2.capability_bits & VIRGL_CAP_GUEST_MAY_INIT_LOG) {
host_debug_flagstring = getenv("VIRGL_HOST_DEBUG");
if (host_debug_flagstring)
virgl_encode_host_debug_flagstring(vctx, host_debug_flagstring);
}
if (rs->caps.caps.v2.capability_bits & VIRGL_CAP_APP_TWEAK_SUPPORT)
virgl_send_tweaks(vctx, rs);
return &vctx->base;
fail:
virgl_context_destroy(&vctx->base);
return NULL;
}