static void virgl_texture_transfer_unmap(struct pipe_context *ctx,
struct pipe_transfer *transfer)
{
struct virgl_context *vctx = virgl_context(ctx);
struct virgl_transfer *trans = virgl_transfer(transfer);
struct virgl_texture *vtex = virgl_texture(transfer->resource);
uint32_t l_stride;
if (transfer->resource->target != PIPE_TEXTURE_3D &&
transfer->resource->target != PIPE_TEXTURE_CUBE &&
transfer->resource->target != PIPE_TEXTURE_1D_ARRAY &&
transfer->resource->target != PIPE_TEXTURE_2D_ARRAY &&
transfer->resource->target != PIPE_TEXTURE_CUBE_ARRAY)
l_stride = 0;
else
l_stride = trans->base.layer_stride;
if (trans->base.usage & PIPE_TRANSFER_WRITE) {
if (!(transfer->usage & PIPE_TRANSFER_FLUSH_EXPLICIT)) {
struct virgl_screen *vs = virgl_screen(ctx->screen);
vtex->base.clean = FALSE;
vctx->num_transfers++;
vs->vws->transfer_put(vs->vws, vtex->base.hw_res,
&transfer->box, trans->base.stride, l_stride, trans->offset, transfer->level);
}
}
if (trans->resolve_tmp)
pipe_resource_reference((struct pipe_resource **)&trans->resolve_tmp, NULL);
util_slab_free(&vctx->texture_transfer_pool, trans);
}
static float
virgl_get_paramf(struct pipe_screen *screen, enum pipe_capf param)
{
struct virgl_screen *vscreen = virgl_screen(screen);
switch (param) {
case PIPE_CAPF_MAX_LINE_WIDTH:
return vscreen->caps.caps.v2.max_aliased_line_width;
case PIPE_CAPF_MAX_LINE_WIDTH_AA:
return vscreen->caps.caps.v2.max_smooth_line_width;
case PIPE_CAPF_MAX_POINT_WIDTH:
return vscreen->caps.caps.v2.max_aliased_point_size;
case PIPE_CAPF_MAX_POINT_WIDTH_AA:
return vscreen->caps.caps.v2.max_smooth_point_size;
case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
return 16.0;
case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
return vscreen->caps.caps.v2.max_texture_lod_bias;
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 void virgl_texture_destroy(struct pipe_screen *screen,
struct pipe_resource *res)
{
struct virgl_screen *vs = virgl_screen(screen);
struct virgl_texture *vtex = virgl_texture(res);
vs->vws->resource_unref(vs->vws, vtex->base.hw_res);
FREE(vtex);
}
static void *virgl_buffer_transfer_map(struct pipe_context *ctx,
struct pipe_resource *resource,
unsigned level,
unsigned usage,
const struct pipe_box *box,
struct pipe_transfer **transfer)
{
struct virgl_context *vctx = virgl_context(ctx);
struct virgl_screen *vs = virgl_screen(ctx->screen);
struct virgl_buffer *vbuf = virgl_buffer(resource);
struct virgl_transfer *trans;
void *ptr;
bool readback;
uint32_t offset;
bool doflushwait = false;
if ((usage & PIPE_TRANSFER_READ) && (vbuf->on_list == TRUE))
doflushwait = true;
else
doflushwait = virgl_res_needs_flush_wait(vctx, &vbuf->base, usage);
if (doflushwait)
ctx->flush(ctx, NULL, 0);
trans = util_slab_alloc(&vctx->texture_transfer_pool);
if (!trans)
return NULL;
trans->base.resource = resource;
trans->base.level = level;
trans->base.usage = usage;
trans->base.box = *box;
trans->base.stride = 0;
trans->base.layer_stride = 0;
offset = box->x;
readback = virgl_res_needs_readback(vctx, &vbuf->base, usage);
if (readback)
vs->vws->transfer_get(vs->vws, vbuf->base.hw_res, box, trans->base.stride, trans->base.layer_stride, offset, level);
if (!(usage & PIPE_TRANSFER_UNSYNCHRONIZED))
doflushwait = true;
if (doflushwait || readback)
vs->vws->resource_wait(vs->vws, vbuf->base.hw_res);
ptr = vs->vws->resource_map(vs->vws, vbuf->base.hw_res);
if (!ptr) {
return NULL;
}
trans->offset = offset;
*transfer = &trans->base;
return ptr + trans->offset;
}
static boolean virgl_texture_get_handle(struct pipe_screen *screen,
struct pipe_resource *ptex,
struct winsys_handle *whandle)
{
struct virgl_screen *vs = virgl_screen(screen);
struct virgl_texture *vtex = virgl_texture(ptex);
return vs->vws->resource_get_handle(vs->vws, vtex->base.hw_res, vtex->stride[0], whandle);
}
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_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 void
virgl_destroy_screen(struct pipe_screen *screen)
{
struct virgl_screen *vscreen = virgl_screen(screen);
struct virgl_winsys *vws = vscreen->vws;
if (vws)
vws->destroy(vws);
FREE(vscreen);
}
static void virgl_buffer_destroy(struct pipe_screen *screen,
struct pipe_resource *buf)
{
struct virgl_screen *vs = virgl_screen(screen);
struct virgl_buffer *vbuf = virgl_buffer(buf);
util_range_destroy(&vbuf->valid_buffer_range);
vs->vws->resource_unref(vs->vws, vbuf->base.hw_res);
FREE(vbuf);
}
static void virgl_encoder_write_res(struct virgl_context *ctx,
struct virgl_resource *res)
{
struct virgl_winsys *vws = virgl_screen(ctx->base.screen)->vws;
if (res && res->hw_res)
vws->emit_res(vws, ctx->cbuf, res->hw_res, TRUE);
else {
virgl_encoder_write_dword(ctx->cbuf, 0);
}
}
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);
}
static int
virgl_get_shader_param(struct pipe_screen *screen, unsigned 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_MAX_PREDS:
return 0;
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]);
default:
return 0;
}
default:
return 0;
}
}
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);
}
struct pipe_screen *
virgl_drm_screen_create(int fd)
{
struct pipe_screen *pscreen = NULL;
mtx_lock(&virgl_screen_mutex);
if (!fd_tab) {
fd_tab = util_hash_table_create(hash_fd, compare_fd);
if (!fd_tab)
goto unlock;
}
pscreen = util_hash_table_get(fd_tab, intptr_to_pointer(fd));
if (pscreen) {
virgl_screen(pscreen)->refcnt++;
} else {
struct virgl_winsys *vws;
int dup_fd = fcntl(fd, F_DUPFD_CLOEXEC, 3);
vws = virgl_drm_winsys_create(dup_fd);
pscreen = virgl_create_screen(vws);
if (pscreen) {
util_hash_table_set(fd_tab, intptr_to_pointer(dup_fd), pscreen);
/* Bit of a hack, to avoid circular linkage dependency,
* ie. pipe driver having to call in to winsys, we
* override the pipe drivers screen->destroy():
*/
virgl_screen(pscreen)->winsys_priv = pscreen->destroy;
pscreen->destroy = virgl_drm_screen_destroy;
}
}
unlock:
mtx_unlock(&virgl_screen_mutex);
return pscreen;
}
static void
virgl_drm_screen_destroy(struct pipe_screen *pscreen)
{
struct virgl_screen *screen = virgl_screen(pscreen);
boolean destroy;
mtx_lock(&virgl_screen_mutex);
destroy = --screen->refcnt == 0;
if (destroy) {
int fd = virgl_drm_winsys(screen->vws)->fd;
util_hash_table_remove(fd_tab, intptr_to_pointer(fd));
}
mtx_unlock(&virgl_screen_mutex);
if (destroy) {
pscreen->destroy = screen->winsys_priv;
pscreen->destroy(pscreen);
}
}
static void virgl_buffer_transfer_unmap(struct pipe_context *ctx,
struct pipe_transfer *transfer)
{
struct virgl_context *vctx = virgl_context(ctx);
struct virgl_transfer *trans = virgl_transfer(transfer);
struct virgl_buffer *vbuf = virgl_buffer(transfer->resource);
if (trans->base.usage & PIPE_TRANSFER_WRITE) {
if (!(transfer->usage & PIPE_TRANSFER_FLUSH_EXPLICIT)) {
struct virgl_screen *vs = virgl_screen(ctx->screen);
vbuf->base.clean = FALSE;
vctx->num_transfers++;
vs->vws->transfer_put(vs->vws, vbuf->base.hw_res,
&transfer->box, trans->base.stride, trans->base.layer_stride, trans->offset, transfer->level);
}
}
util_slab_free(&vctx->texture_transfer_pool, trans);
}
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;
}
static void *virgl_buffer_transfer_map(struct pipe_context *ctx,
struct pipe_resource *resource,
unsigned level,
unsigned usage,
const struct pipe_box *box,
struct pipe_transfer **transfer)
{
struct virgl_context *vctx = virgl_context(ctx);
struct virgl_screen *vs = virgl_screen(ctx->screen);
struct virgl_resource *vbuf = virgl_resource(resource);
struct virgl_transfer *trans;
enum virgl_transfer_map_type map_type;
trans = virgl_resource_create_transfer(&vctx->transfer_pool, resource,
&vbuf->metadata, level, usage, box);
map_type = virgl_resource_transfer_prepare(vctx, trans);
switch (map_type) {
case VIRGL_TRANSFER_MAP_HW_RES:
trans->hw_res_map = vs->vws->resource_map(vs->vws, vbuf->hw_res);
break;
case VIRGL_TRANSFER_MAP_ERROR:
default:
trans->hw_res_map = NULL;
break;
}
if (!trans->hw_res_map) {
virgl_resource_destroy_transfer(&vctx->transfer_pool, trans);
return NULL;
}
if (usage & PIPE_TRANSFER_WRITE)
util_range_add(&vbuf->valid_buffer_range, box->x, box->x + box->width);
*transfer = &trans->base;
return trans->hw_res_map + trans->offset;
}
static void *virgl_texture_transfer_map(struct pipe_context *ctx,
struct pipe_resource *resource,
unsigned level,
unsigned usage,
const struct pipe_box *box,
struct pipe_transfer **transfer)
{
struct virgl_context *vctx = virgl_context(ctx);
struct virgl_screen *vs = virgl_screen(ctx->screen);
struct virgl_texture *vtex = virgl_texture(resource);
enum pipe_format format = resource->format;
struct virgl_transfer *trans;
void *ptr;
boolean readback = TRUE;
uint32_t offset;
struct virgl_hw_res *hw_res;
const unsigned h = u_minify(vtex->base.u.b.height0, level);
const unsigned nblocksy = util_format_get_nblocksy(format, h);
bool is_depth = util_format_has_depth(util_format_description(resource->format));
uint32_t l_stride;
bool doflushwait;
doflushwait = virgl_res_needs_flush_wait(vctx, &vtex->base, usage);
if (doflushwait)
ctx->flush(ctx, NULL, 0);
trans = util_slab_alloc(&vctx->texture_transfer_pool);
if (!trans)
return NULL;
trans->base.resource = resource;
trans->base.level = level;
trans->base.usage = usage;
trans->base.box = *box;
trans->base.stride = vtex->stride[level];
trans->base.layer_stride = trans->base.stride * nblocksy;
if (resource->target != PIPE_TEXTURE_3D &&
resource->target != PIPE_TEXTURE_CUBE &&
resource->target != PIPE_TEXTURE_1D_ARRAY &&
resource->target != PIPE_TEXTURE_2D_ARRAY &&
resource->target != PIPE_TEXTURE_CUBE_ARRAY)
l_stride = 0;
else
l_stride = trans->base.layer_stride;
if (is_depth && resource->nr_samples > 1) {
struct pipe_resource tmp_resource;
virgl_init_temp_resource_from_box(&tmp_resource, resource, box,
level, 0);
trans->resolve_tmp = (struct virgl_resource *)ctx->screen->resource_create(ctx->screen, &tmp_resource);
virgl_copy_region_with_blit(ctx, &trans->resolve_tmp->u.b, 0, 0, 0, 0, resource, level, box);
ctx->flush(ctx, NULL, 0);
/* we want to do a resolve blit into the temporary */
hw_res = trans->resolve_tmp->hw_res;
offset = 0;
} else {
offset = vrend_get_tex_image_offset(vtex, level, box->z);
offset += box->y / util_format_get_blockheight(format) * trans->base.stride +
box->x / util_format_get_blockwidth(format) * util_format_get_blocksize(format);
hw_res = vtex->base.hw_res;
trans->resolve_tmp = NULL;
}
readback = virgl_res_needs_readback(vctx, &vtex->base, usage);
if (readback)
vs->vws->transfer_get(vs->vws, hw_res, box, trans->base.stride, l_stride, offset, level);
if (doflushwait || readback)
vs->vws->resource_wait(vs->vws, vtex->base.hw_res);
ptr = vs->vws->resource_map(vs->vws, hw_res);
if (!ptr) {
return NULL;
}
trans->offset = offset;
*transfer = &trans->base;
return ptr + trans->offset;
}
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:
return vscreen->caps.caps.v2.min_texel_offset;
case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
return vscreen->caps.caps.v2.min_texture_gather_offset;
case PIPE_CAP_MAX_TEXEL_OFFSET:
return vscreen->caps.caps.v2.max_texel_offset;
case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
return vscreen->caps.caps.v2.max_texture_gather_offset;
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 vscreen->caps.caps.v2.max_geom_output_vertices;
case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
return vscreen->caps.caps.v2.max_geom_total_output_components;
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:
case PIPE_CAP_FENCE_SIGNAL:
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;
}
/**
* 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) {
if (util_format_s3tc_enabled)
goto out_lookup;
return FALSE;
}
if (format_desc->layout == UTIL_FORMAT_LAYOUT_RGTC) {
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 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_TWO_SIDED_STENCIL:
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_SHADOW_MAP:
return 1;
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_USER_INDEX_BUFFERS:
case PIPE_CAP_USER_CONSTANT_BUFFERS:
return 1;
case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
return 16;
case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
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_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:
return 1;
case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT:
return 0;
case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
return 1024;
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_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:
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;
}
/* 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 vscreen->caps.caps.v2.max_vertex_attribs;
return (shader == PIPE_SHADER_VERTEX ||
shader == PIPE_SHADER_GEOMETRY) ? vscreen->caps.caps.v2.max_vertex_attribs : 32;
case PIPE_SHADER_CAP_MAX_OUTPUTS:
if (shader == PIPE_SHADER_FRAGMENT)
return vscreen->caps.caps.v1.max_render_targets;
return vscreen->caps.caps.v2.max_vertex_outputs;
// 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;
}
}
