/*
* 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 "util/u_memory.h"
#include "util/u_format.h"
#include "util/u_format_s3tc.h"
#include "util/u_video.h"
#include "util/os_time.h"
#include "pipe/p_defines.h"
#include "pipe/p_screen.h"
#include "tgsi/tgsi_exec.h"
#include "virgl_screen.h"
#include "virgl_resource.h"
#include "virgl_public.h"
#include "virgl_context.h"
#define SP_MAX_TEXTURE_2D_LEVELS 15 /* 16K x 16K */
#define SP_MAX_TEXTURE_3D_LEVELS 9 /* 512 x 512 x 512 */
#define SP_MAX_TEXTURE_CUBE_LEVELS 13 /* 4K x 4K */
static const char *
virgl_get_vendor(struct pipe_screen *screen)
{
return "Red Hat";
}
static const char *
virgl_get_name(struct pipe_screen *screen)
{
return "virgl";
}
static int
virgl_get_param(struct pipe_screen *screen, enum pipe_cap param)
{
struct virgl_screen *vscreen = virgl_screen(screen);
switch (param) {
case PIPE_CAP_NPOT_TEXTURES:
return 1;
case PIPE_CAP_SM3:
return 1;
case PIPE_CAP_ANISOTROPIC_FILTER:
return 1;
case PIPE_CAP_POINT_SPRITE:
return 1;
case PIPE_CAP_MAX_RENDER_TARGETS:
return vscreen->caps.caps.v1.max_render_targets;
case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
return vscreen->caps.caps.v1.max_dual_source_render_targets;
case PIPE_CAP_OCCLUSION_QUERY:
return vscreen->caps.caps.v1.bset.occlusion_query;
case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
return vscreen->caps.caps.v1.bset.mirror_clamp;
case PIPE_CAP_TEXTURE_SWIZZLE:
return 1;
case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
return SP_MAX_TEXTURE_2D_LEVELS;
case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
return SP_MAX_TEXTURE_3D_LEVELS;
case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
return SP_MAX_TEXTURE_CUBE_LEVELS;
case PIPE_CAP_BLEND_EQUATION_SEPARATE:
return 1;
case PIPE_CAP_INDEP_BLEND_ENABLE:
return vscreen->caps.caps.v1.bset.indep_blend_enable;
case PIPE_CAP_INDEP_BLEND_FUNC:
return vscreen->caps.caps.v1.bset.indep_blend_func;
case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
return vscreen->caps.caps.v1.bset.fragment_coord_conventions;
case PIPE_CAP_DEPTH_CLIP_DISABLE:
return vscreen->caps.caps.v1.bset.depth_clip_disable;
case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
return vscreen->caps.caps.v1.max_streamout_buffers;
case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
return 16*4;
case PIPE_CAP_PRIMITIVE_RESTART:
return vscreen->caps.caps.v1.bset.primitive_restart;
case PIPE_CAP_SHADER_STENCIL_EXPORT:
return vscreen->caps.caps.v1.bset.shader_stencil_export;
case PIPE_CAP_TGSI_INSTANCEID:
case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
return 1;
case PIPE_CAP_SEAMLESS_CUBE_MAP:
return vscreen->caps.caps.v1.bset.seamless_cube_map;
case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
return vscreen->caps.caps.v1.bset.seamless_cube_map_per_texture;
case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
return vscreen->caps.caps.v1.max_texture_array_layers;
case PIPE_CAP_MIN_TEXEL_OFFSET:
case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
return -8;
case PIPE_CAP_MAX_TEXEL_OFFSET:
case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
return 7;
case PIPE_CAP_CONDITIONAL_RENDER:
return vscreen->caps.caps.v1.bset.conditional_render;
case PIPE_CAP_TEXTURE_BARRIER:
return 0;
case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
return 1;
case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
case PIPE_CAP_VERTEX_COLOR_CLAMPED:
return vscreen->caps.caps.v1.bset.color_clamping;
case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
return 1;
case PIPE_CAP_GLSL_FEATURE_LEVEL:
return vscreen->caps.caps.v1.glsl_level;
case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
return 0;
case PIPE_CAP_COMPUTE:
return 0;
case PIPE_CAP_USER_VERTEX_BUFFERS:
return 0;
case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
return 16;
case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS:
return vscreen->caps.caps.v1.bset.streamout_pause_resume;
case PIPE_CAP_START_INSTANCE:
return vscreen->caps.caps.v1.bset.start_instance;
case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
return 0;
case PIPE_CAP_QUERY_TIMESTAMP:
return 1;
case PIPE_CAP_QUERY_TIME_ELAPSED:
return 0;
case PIPE_CAP_TGSI_TEXCOORD:
return 0;
case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
return VIRGL_MAP_BUFFER_ALIGNMENT;
case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
return vscreen->caps.caps.v1.max_tbo_size > 0;
case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
return 0;
case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY:
return 0;
case PIPE_CAP_CUBE_MAP_ARRAY:
return vscreen->caps.caps.v1.bset.cube_map_array;
case PIPE_CAP_TEXTURE_MULTISAMPLE:
return vscreen->caps.caps.v1.bset.texture_multisample;
case PIPE_CAP_MAX_VIEWPORTS:
return vscreen->caps.caps.v1.max_viewports;
case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
return vscreen->caps.caps.v1.max_tbo_size;
case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
case PIPE_CAP_ENDIANNESS:
return 0;
case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
return 1;
case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT:
return 0;
case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
return 256;
case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
return 16384;
case PIPE_CAP_TEXTURE_QUERY_LOD:
return vscreen->caps.caps.v1.bset.texture_query_lod;
case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
return vscreen->caps.caps.v1.max_texture_gather_components;
case PIPE_CAP_TEXTURE_GATHER_SM5:
case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
case PIPE_CAP_SAMPLE_SHADING:
case PIPE_CAP_FAKE_SW_MSAA:
case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
case PIPE_CAP_MAX_VERTEX_STREAMS:
case PIPE_CAP_DRAW_INDIRECT:
case PIPE_CAP_MULTI_DRAW_INDIRECT:
case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS:
case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE:
case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE:
case PIPE_CAP_SAMPLER_VIEW_TARGET:
case PIPE_CAP_CLIP_HALFZ:
case PIPE_CAP_VERTEXID_NOBASE:
case PIPE_CAP_POLYGON_OFFSET_CLAMP:
case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
case PIPE_CAP_DEPTH_BOUNDS_TEST:
case PIPE_CAP_TGSI_TXQS:
case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
case PIPE_CAP_SHAREABLE_SHADERS:
case PIPE_CAP_CLEAR_TEXTURE:
case PIPE_CAP_DRAW_PARAMETERS:
case PIPE_CAP_TGSI_PACK_HALF_FLOAT:
case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL:
case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL:
case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
case PIPE_CAP_INVALIDATE_BUFFER:
case PIPE_CAP_GENERATE_MIPMAP:
case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS:
case PIPE_CAP_QUERY_BUFFER_OBJECT:
case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS:
case PIPE_CAP_STRING_MARKER:
case PIPE_CAP_QUERY_MEMORY_INFO:
case PIPE_CAP_PCI_GROUP:
case PIPE_CAP_PCI_BUS:
case PIPE_CAP_PCI_DEVICE:
case PIPE_CAP_PCI_FUNCTION:
case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
case PIPE_CAP_CULL_DISTANCE:
case PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES:
case PIPE_CAP_TGSI_VOTE:
case PIPE_CAP_MAX_WINDOW_RECTANGLES:
case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED:
case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
case PIPE_CAP_TGSI_CAN_READ_OUTPUTS:
case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY:
case PIPE_CAP_TGSI_FS_FBFETCH:
case PIPE_CAP_TGSI_MUL_ZERO_WINS:
case PIPE_CAP_INT64:
case PIPE_CAP_INT64_DIVMOD:
case PIPE_CAP_TGSI_TEX_TXF_LZ:
case PIPE_CAP_TGSI_CLOCK:
case PIPE_CAP_POLYGON_MODE_FILL_RECTANGLE:
case PIPE_CAP_SPARSE_BUFFER_PAGE_SIZE:
case PIPE_CAP_TGSI_BALLOT:
case PIPE_CAP_DOUBLES:
case PIPE_CAP_TGSI_TES_LAYER_VIEWPORT:
case PIPE_CAP_CAN_BIND_CONST_BUFFER_AS_VERTEX:
case PIPE_CAP_ALLOW_MAPPED_BUFFERS_DURING_EXECUTION:
case PIPE_CAP_POST_DEPTH_COVERAGE:
case PIPE_CAP_BINDLESS_TEXTURE:
case PIPE_CAP_NIR_SAMPLERS_AS_DEREF:
case PIPE_CAP_QUERY_SO_OVERFLOW:
case PIPE_CAP_MEMOBJ:
case PIPE_CAP_LOAD_CONSTBUF:
case PIPE_CAP_TGSI_ANY_REG_AS_ADDRESS:
case PIPE_CAP_TILE_RASTER_ORDER:
case PIPE_CAP_MAX_COMBINED_SHADER_OUTPUT_RESOURCES:
case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
case PIPE_CAP_CONTEXT_PRIORITY_MASK:
return 0;
case PIPE_CAP_VENDOR_ID:
return 0x1af4;
case PIPE_CAP_DEVICE_ID:
return 0x1010;
case PIPE_CAP_ACCELERATED:
return 1;
case PIPE_CAP_UMA:
case PIPE_CAP_VIDEO_MEMORY:
return 0;
case PIPE_CAP_NATIVE_FENCE_FD:
return 0;
}
/* should only get here on unhandled cases */
debug_printf("Unexpected PIPE_CAP %d query\n", param);
return 0;
}
static int
virgl_get_shader_param(struct pipe_screen *screen,
enum pipe_shader_type shader,
enum pipe_shader_cap param)
{
struct virgl_screen *vscreen = virgl_screen(screen);
switch(shader)
{
case PIPE_SHADER_FRAGMENT:
case PIPE_SHADER_VERTEX:
case PIPE_SHADER_GEOMETRY:
switch (param) {
case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
return INT_MAX;
case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
return 1;
case PIPE_SHADER_CAP_MAX_INPUTS:
if (vscreen->caps.caps.v1.glsl_level < 150)
return 16;
return (shader == PIPE_SHADER_VERTEX ||
shader == PIPE_SHADER_GEOMETRY) ? 16 : 32;
case PIPE_SHADER_CAP_MAX_OUTPUTS:
return 32;
// case PIPE_SHADER_CAP_MAX_CONSTS:
// return 4096;
case PIPE_SHADER_CAP_MAX_TEMPS:
return 256;
case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
return vscreen->caps.caps.v1.max_uniform_blocks;
// case PIPE_SHADER_CAP_MAX_ADDRS:
// return 1;
case PIPE_SHADER_CAP_SUBROUTINES:
return 1;
case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
return 16;
case PIPE_SHADER_CAP_INTEGERS:
return vscreen->caps.caps.v1.glsl_level >= 130;
case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
return 32;
case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
return 4096 * sizeof(float[4]);
case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
case PIPE_SHADER_CAP_TGSI_SKIP_MERGE_REGISTERS:
case PIPE_SHADER_CAP_INT64_ATOMICS:
case PIPE_SHADER_CAP_FP16:
case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
default:
return 0;
}
default:
return 0;
}
}
static float
virgl_get_paramf(struct pipe_screen *screen, enum pipe_capf param)
{
switch (param) {
case PIPE_CAPF_MAX_LINE_WIDTH:
/* fall-through */
case PIPE_CAPF_MAX_LINE_WIDTH_AA:
return 255.0; /* arbitrary */
case PIPE_CAPF_MAX_POINT_WIDTH:
/* fall-through */
case PIPE_CAPF_MAX_POINT_WIDTH_AA:
return 255.0; /* arbitrary */
case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
return 16.0;
case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
return 16.0; /* arbitrary */
case PIPE_CAPF_GUARD_BAND_LEFT:
case PIPE_CAPF_GUARD_BAND_TOP:
case PIPE_CAPF_GUARD_BAND_RIGHT:
case PIPE_CAPF_GUARD_BAND_BOTTOM:
return 0.0;
}
/* should only get here on unhandled cases */
debug_printf("Unexpected PIPE_CAPF %d query\n", param);
return 0.0;
}
static boolean
virgl_is_vertex_format_supported(struct pipe_screen *screen,
enum pipe_format format)
{
struct virgl_screen *vscreen = virgl_screen(screen);
const struct util_format_description *format_desc;
int i;
format_desc = util_format_description(format);
if (!format_desc)
return FALSE;
if (format == PIPE_FORMAT_R11G11B10_FLOAT) {
int vformat = VIRGL_FORMAT_R11G11B10_FLOAT;
int big = vformat / 32;
int small = vformat % 32;
if (!(vscreen->caps.caps.v1.vertexbuffer.bitmask[big] & (1 << small)))
return FALSE;
return TRUE;
}
/* Find the first non-VOID channel. */
for (i = 0; i < 4; i++) {
if (format_desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) {
break;
}
}
if (i == 4)
return FALSE;
if (format_desc->layout != UTIL_FORMAT_LAYOUT_PLAIN)
return FALSE;
if (format_desc->channel[i].type == UTIL_FORMAT_TYPE_FIXED)
return FALSE;
return TRUE;
}
/**
* Query format support for creating a texture, drawing surface, etc.
* \param format the format to test
* \param type one of PIPE_TEXTURE, PIPE_SURFACE
*/
static boolean
virgl_is_format_supported( struct pipe_screen *screen,
enum pipe_format format,
enum pipe_texture_target target,
unsigned sample_count,
unsigned bind)
{
struct virgl_screen *vscreen = virgl_screen(screen);
const struct util_format_description *format_desc;
int i;
assert(target == PIPE_BUFFER ||
target == PIPE_TEXTURE_1D ||
target == PIPE_TEXTURE_1D_ARRAY ||
target == PIPE_TEXTURE_2D ||
target == PIPE_TEXTURE_2D_ARRAY ||
target == PIPE_TEXTURE_RECT ||
target == PIPE_TEXTURE_3D ||
target == PIPE_TEXTURE_CUBE ||
target == PIPE_TEXTURE_CUBE_ARRAY);
format_desc = util_format_description(format);
if (!format_desc)
return FALSE;
if (util_format_is_intensity(format))
return FALSE;
if (sample_count > 1) {
if (!vscreen->caps.caps.v1.bset.texture_multisample)
return FALSE;
if (sample_count > vscreen->caps.caps.v1.max_samples)
return FALSE;
}
if (bind & PIPE_BIND_VERTEX_BUFFER) {
return virgl_is_vertex_format_supported(screen, format);
}
if (bind & PIPE_BIND_RENDER_TARGET) {
if (format_desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS)
return FALSE;
/*
* Although possible, it is unnatural to render into compressed or YUV
* surfaces. So disable these here to avoid going into weird paths
* inside the state trackers.
*/
if (format_desc->block.width != 1 ||
format_desc->block.height != 1)
return FALSE;
{
int big = format / 32;
int small = format % 32;
if (!(vscreen->caps.caps.v1.render.bitmask[big] & (1 << small)))
return FALSE;
}
}
if (bind & PIPE_BIND_DEPTH_STENCIL) {
if (format_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS)
return FALSE;
}
/*
* All other operations (sampling, transfer, etc).
*/
if (format_desc->layout == UTIL_FORMAT_LAYOUT_S3TC) {
goto out_lookup;
}
if (format_desc->layout == UTIL_FORMAT_LAYOUT_RGTC) {
goto out_lookup;
}
if (format_desc->layout == UTIL_FORMAT_LAYOUT_BPTC) {
goto out_lookup;
}
if (format == PIPE_FORMAT_R11G11B10_FLOAT) {
goto out_lookup;
} else if (format == PIPE_FORMAT_R9G9B9E5_FLOAT) {
goto out_lookup;
}
/* Find the first non-VOID channel. */
for (i = 0; i < 4; i++) {
if (format_desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) {
break;
}
}
if (i == 4)
return FALSE;
/* no L4A4 */
if (format_desc->nr_channels < 4 && format_desc->channel[i].size == 4)
return FALSE;
out_lookup:
{
int big = format / 32;
int small = format % 32;
if (!(vscreen->caps.caps.v1.sampler.bitmask[big] & (1 << small)))
return FALSE;
}
/*
* Everything else should be supported by u_format.
*/
return TRUE;
}
static void virgl_flush_frontbuffer(struct pipe_screen *screen,
struct pipe_resource *res,
unsigned level, unsigned layer,
void *winsys_drawable_handle, struct pipe_box *sub_box)
{
struct virgl_screen *vscreen = virgl_screen(screen);
struct virgl_winsys *vws = vscreen->vws;
struct virgl_resource *vres = virgl_resource(res);
if (vws->flush_frontbuffer)
vws->flush_frontbuffer(vws, vres->hw_res, level, layer, winsys_drawable_handle,
sub_box);
}
static void virgl_fence_reference(struct pipe_screen *screen,
struct pipe_fence_handle **ptr,
struct pipe_fence_handle *fence)
{
struct virgl_screen *vscreen = virgl_screen(screen);
struct virgl_winsys *vws = vscreen->vws;
vws->fence_reference(vws, ptr, fence);
}
static boolean virgl_fence_finish(struct pipe_screen *screen,
struct pipe_context *ctx,
struct pipe_fence_handle *fence,
uint64_t timeout)
{
struct virgl_screen *vscreen = virgl_screen(screen);
struct virgl_winsys *vws = vscreen->vws;
return vws->fence_wait(vws, fence, timeout);
}
static uint64_t
virgl_get_timestamp(struct pipe_screen *_screen)
{
return os_time_get_nano();
}
static void
virgl_destroy_screen(struct pipe_screen *screen)
{
struct virgl_screen *vscreen = virgl_screen(screen);
struct virgl_winsys *vws = vscreen->vws;
slab_destroy_parent(&vscreen->texture_transfer_pool);
if (vws)
vws->destroy(vws);
FREE(vscreen);
}
struct pipe_screen *
virgl_create_screen(struct virgl_winsys *vws)
{
struct virgl_screen *screen = CALLOC_STRUCT(virgl_screen);
if (!screen)
return NULL;
screen->vws = vws;
screen->base.get_name = virgl_get_name;
screen->base.get_vendor = virgl_get_vendor;
screen->base.get_param = virgl_get_param;
screen->base.get_shader_param = virgl_get_shader_param;
screen->base.get_paramf = virgl_get_paramf;
screen->base.is_format_supported = virgl_is_format_supported;
screen->base.destroy = virgl_destroy_screen;
screen->base.context_create = virgl_context_create;
screen->base.flush_frontbuffer = virgl_flush_frontbuffer;
screen->base.get_timestamp = virgl_get_timestamp;
screen->base.fence_reference = virgl_fence_reference;
//screen->base.fence_signalled = virgl_fence_signalled;
screen->base.fence_finish = virgl_fence_finish;
virgl_init_screen_resource_functions(&screen->base);
vws->get_caps(vws, &screen->caps);
screen->refcnt = 1;
slab_create_parent(&screen->texture_transfer_pool, sizeof(struct virgl_transfer), 16);
return &screen->base;
}