#include "util/u_video.h"
#include "util/u_math.h"
#include "util/os_time.h"
+#include "util/xmlconfig.h"
#include "pipe/p_defines.h"
#include "pipe/p_screen.h"
#include "virgl_resource.h"
#include "virgl_public.h"
#include "virgl_context.h"
+#include "virgl_protocol.h"
int virgl_debug = 0;
static const struct debug_named_value debug_options[] = {
- { "verbose", VIRGL_DEBUG_VERBOSE, NULL },
- { "tgsi", VIRGL_DEBUG_TGSI, NULL },
+ { "verbose", VIRGL_DEBUG_VERBOSE, NULL },
+ { "tgsi", VIRGL_DEBUG_TGSI, NULL },
+ { "emubgra", VIRGL_DEBUG_EMULATE_BGRA, "Enable tweak to emulate BGRA as RGBA on GLES hosts"},
+ { "bgraswz", VIRGL_DEBUG_BGRA_DEST_SWIZZLE, "Enable tweak to swizzle emulated BGRA on GLES hosts" },
+ { "sync", VIRGL_DEBUG_SYNC, "Sync after every flush" },
+ { "xfer", VIRGL_DEBUG_XFER, "Do not optimize for transfers" },
DEBUG_NAMED_VALUE_END
};
DEBUG_GET_ONCE_FLAGS_OPTION(virgl_debug, "VIRGL_DEBUG", debug_options, 0)
switch (param) {
case PIPE_CAP_NPOT_TEXTURES:
return 1;
- case PIPE_CAP_SM3:
+ case PIPE_CAP_FRAGMENT_SHADER_TEXTURE_LOD:
+ case PIPE_CAP_FRAGMENT_SHADER_DERIVATIVES:
+ case PIPE_CAP_VERTEX_SHADER_SATURATE:
return 1;
case PIPE_CAP_ANISOTROPIC_FILTER:
return 1;
case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
return vscreen->caps.caps.v1.bset.fragment_coord_conventions;
case PIPE_CAP_DEPTH_CLIP_DISABLE:
- return vscreen->caps.caps.v1.bset.depth_clip_disable;
+ if (vscreen->caps.caps.v1.bset.depth_clip_disable)
+ return 1;
+ if (vscreen->caps.caps.v2.host_feature_check_version >= 3)
+ return 2;
+ return 0;
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_BUFFER_MAP_PERSISTENT_COHERENT:
case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
- case PIPE_CAP_CLIP_HALFZ:
case PIPE_CAP_VERTEXID_NOBASE:
case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
case PIPE_CAP_PROGRAMMABLE_SAMPLE_LOCATIONS:
case PIPE_CAP_MAX_TEXTURE_UPLOAD_MEMORY_BUDGET:
return 0;
+ case PIPE_CAP_CLIP_HALFZ:
+ return vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_CLIP_HALFZ;
case PIPE_CAP_MAX_GS_INVOCATIONS:
return 32;
case PIPE_CAP_MAX_SHADER_BUFFER_SIZE:
case PIPE_CAP_NATIVE_FENCE_FD:
return vscreen->vws->supports_fences;
case PIPE_CAP_DEST_SURFACE_SRGB_CONTROL:
- return vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_SRGB_WRITE_CONTROL;
+ return (vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_SRGB_WRITE_CONTROL) ||
+ (vscreen->caps.caps.v2.host_feature_check_version < 1);
case PIPE_CAP_TGSI_SKIP_SHRINK_IO_ARRAYS:
return vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_INDIRECT_INPUT_ADDR;
default:
case PIPE_SHADER_CAP_INT64_ATOMICS:
case PIPE_SHADER_CAP_FP16:
return 0;
- case PIPE_SHADER_CAP_SCALAR_ISA:
- return 1;
default:
return 0;
}
return 0;
}
-static boolean
+static bool
has_format_bit(struct virgl_supported_format_mask *mask,
enum virgl_formats fmt)
{
unsigned idx = val / 32;
unsigned bit = val % 32;
assert(idx < ARRAY_SIZE(mask->bitmask));
- return (mask->bitmask[val / 32] & (1u << bit)) != 0;
+ return (mask->bitmask[idx] & (1u << bit)) != 0;
}
-boolean
+bool
virgl_has_readback_format(struct pipe_screen *screen,
enum virgl_formats fmt)
{
fmt);
}
-static boolean
+static bool
virgl_is_vertex_format_supported(struct pipe_screen *screen,
enum pipe_format format)
{
format_desc = util_format_description(format);
if (!format_desc)
- return FALSE;
+ 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;
+ return false;
+ return true;
}
/* Find the first non-VOID channel. */
}
if (i == 4)
- return FALSE;
+ return false;
if (format_desc->layout != UTIL_FORMAT_LAYOUT_PLAIN)
- return FALSE;
+ return false;
if (format_desc->channel[i].type == UTIL_FORMAT_TYPE_FIXED)
- return FALSE;
- return TRUE;
+ return false;
+ return true;
+}
+
+static bool
+virgl_format_check_bitmask(enum pipe_format format,
+ uint32_t bitmask[16],
+ bool may_emulate_bgra)
+{
+ enum virgl_formats vformat = pipe_to_virgl_format(format);
+ int big = vformat / 32;
+ int small = vformat % 32;
+ if ((bitmask[big] & (1 << small)))
+ return true;
+
+ /* On GLES hosts we don't advertise BGRx_SRGB, but we may be able
+ * emulate it by using a swizzled RGBx */
+ if (may_emulate_bgra) {
+ if (format == PIPE_FORMAT_B8G8R8A8_SRGB)
+ format = PIPE_FORMAT_R8G8B8A8_SRGB;
+ else if (format == PIPE_FORMAT_B8G8R8X8_SRGB)
+ format = PIPE_FORMAT_R8G8B8X8_SRGB;
+ else {
+ return false;
+ }
+
+ vformat = pipe_to_virgl_format(format);
+ big = vformat / 32;
+ small = vformat % 32;
+ if (bitmask[big] & (1 << small))
+ return true;
+ }
+ return false;
}
/**
* \param format the format to test
* \param type one of PIPE_TEXTURE, PIPE_SURFACE
*/
-static boolean
+static bool
virgl_is_format_supported( struct pipe_screen *screen,
enum pipe_format format,
enum pipe_texture_target target,
const struct util_format_description *format_desc;
int i;
+ union virgl_caps *caps = &vscreen->caps.caps;
+ boolean may_emulate_bgra = (caps->v2.capability_bits &
+ VIRGL_CAP_APP_TWEAK_SUPPORT) &&
+ vscreen->tweak_gles_emulate_bgra;
+
if (MAX2(1, sample_count) != MAX2(1, storage_sample_count))
return false;
format_desc = util_format_description(format);
if (!format_desc)
- return FALSE;
+ return false;
if (util_format_is_intensity(format))
- return FALSE;
+ return false;
if (sample_count > 1) {
- if (!vscreen->caps.caps.v1.bset.texture_multisample)
- return FALSE;
+ if (!caps->v1.bset.texture_multisample)
+ return false;
if (bind & PIPE_BIND_SHADER_IMAGE) {
- if (sample_count > vscreen->caps.caps.v2.max_image_samples)
- return FALSE;
+ if (sample_count > caps->v2.max_image_samples)
+ return false;
}
- if (sample_count > vscreen->caps.caps.v1.max_samples)
- return FALSE;
+ if (sample_count > caps->v1.max_samples)
+ return false;
}
if (bind & PIPE_BIND_VERTEX_BUFFER) {
}
if (util_format_is_compressed(format) && target == PIPE_BUFFER)
- return FALSE;
+ return false;
/* Allow 3-comp 32 bit textures only for TBOs (needed for ARB_tbo_rgb32) */
if ((format == PIPE_FORMAT_R32G32B32_FLOAT ||
format == PIPE_FORMAT_R32G32B32_SINT ||
format == PIPE_FORMAT_R32G32B32_UINT) &&
target != PIPE_BUFFER)
- return FALSE;
+ return false;
if ((format_desc->layout == UTIL_FORMAT_LAYOUT_RGTC ||
format_desc->layout == UTIL_FORMAT_LAYOUT_ETC ||
format_desc->layout == UTIL_FORMAT_LAYOUT_S3TC) &&
target == PIPE_TEXTURE_3D)
- return FALSE;
+ return false;
+
if (bind & PIPE_BIND_RENDER_TARGET) {
/* For ARB_framebuffer_no_attachments. */
return TRUE;
if (format_desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS)
- return FALSE;
+ return false;
/*
* Although possible, it is unnatural to render into compressed or YUV
*/
if (format_desc->block.width != 1 ||
format_desc->block.height != 1)
- return FALSE;
+ return false;
- {
- int big = format / 32;
- int small = format % 32;
- if (!(vscreen->caps.caps.v1.render.bitmask[big] & (1 << small)))
- return FALSE;
- }
+ if (!virgl_format_check_bitmask(format,
+ caps->v1.render.bitmask,
+ may_emulate_bgra))
+ return false;
}
if (bind & PIPE_BIND_DEPTH_STENCIL) {
if (format_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS)
- return FALSE;
+ return false;
+ }
+
+ if (bind & PIPE_BIND_SCANOUT) {
+ if (!virgl_format_check_bitmask(format, caps->v2.scanout.bitmask, false))
+ return false;
}
/*
}
if (i == 4)
- return FALSE;
+ return false;
/* no L4A4 */
if (format_desc->nr_channels < 4 && format_desc->channel[i].size == 4)
- return FALSE;
+ 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;
+ return virgl_format_check_bitmask(format,
+ caps->v1.sampler.bitmask,
+ may_emulate_bgra);
}
static void virgl_flush_frontbuffer(struct pipe_screen *screen,
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)
+static bool 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;
}
static void
-fixup_readback_format(union virgl_caps *caps)
+fixup_formats(union virgl_caps *caps, struct virgl_supported_format_mask *mask)
{
- const size_t size = ARRAY_SIZE(caps->v2.supported_readback_formats.bitmask);
+ const size_t size = ARRAY_SIZE(mask->bitmask);
for (int i = 0; i < size; ++i) {
- if (caps->v2.supported_readback_formats.bitmask[i] != 0)
+ if (mask->bitmask[i] != 0)
return; /* we got some formats, we definately have a new protocol */
}
/* old protocol used; fall back to considering all sampleable formats valid
* readback-formats
*/
- for (int i = 0; i < size; ++i) {
- caps->v2.supported_readback_formats.bitmask[i] =
- caps->v1.sampler.bitmask[i];
- }
+ for (int i = 0; i < size; ++i)
+ mask->bitmask[i] = caps->v1.sampler.bitmask[i];
}
struct pipe_screen *
-virgl_create_screen(struct virgl_winsys *vws)
+virgl_create_screen(struct virgl_winsys *vws, const struct pipe_screen_config *config)
{
struct virgl_screen *screen = CALLOC_STRUCT(virgl_screen);
+ const char *VIRGL_GLES_EMULATE_BGRA = "gles_emulate_bgra";
+ const char *VIRGL_GLES_APPLY_BGRA_DEST_SWIZZLE = "gles_apply_bgra_dest_swizzle";
+ const char *VIRGL_GLES_SAMPLES_PASSED_VALUE = "gles_samples_passed_value";
+
if (!screen)
return NULL;
virgl_debug = debug_get_option_virgl_debug();
+ if (config && config->options) {
+ screen->tweak_gles_emulate_bgra =
+ driQueryOptionb(config->options, VIRGL_GLES_EMULATE_BGRA);
+ screen->tweak_gles_apply_bgra_dest_swizzle =
+ driQueryOptionb(config->options, VIRGL_GLES_APPLY_BGRA_DEST_SWIZZLE);
+ screen->tweak_gles_tf3_value =
+ driQueryOptioni(config->options, VIRGL_GLES_SAMPLES_PASSED_VALUE);
+ }
+
+ screen->tweak_gles_emulate_bgra |= !!(virgl_debug & VIRGL_DEBUG_EMULATE_BGRA);
+ screen->tweak_gles_apply_bgra_dest_swizzle |= !!(virgl_debug & VIRGL_DEBUG_BGRA_DEST_SWIZZLE);
+
screen->vws = vws;
screen->base.get_name = virgl_get_name;
screen->base.get_vendor = virgl_get_vendor;
virgl_init_screen_resource_functions(&screen->base);
vws->get_caps(vws, &screen->caps);
- fixup_readback_format(&screen->caps.caps);
+ fixup_formats(&screen->caps.caps,
+ &screen->caps.caps.v2.supported_readback_formats);
+ fixup_formats(&screen->caps.caps, &screen->caps.caps.v2.scanout);
screen->refcnt = 1;
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