#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;
return vscreen->caps.caps.v1.bset.mirror_clamp;
case PIPE_CAP_TEXTURE_SWIZZLE:
return 1;
- case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
+ case PIPE_CAP_MAX_TEXTURE_2D_SIZE:
if (vscreen->caps.caps.v2.max_texture_2d_size)
- return 1 + util_logbase2(vscreen->caps.caps.v2.max_texture_2d_size);
- return 15; /* 16K x 16K */
+ return vscreen->caps.caps.v2.max_texture_2d_size;
+ return 16384;
case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
if (vscreen->caps.caps.v2.max_texture_3d_size)
return 1 + util_logbase2(vscreen->caps.caps.v2.max_texture_3d_size);
return vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_FB_NO_ATTACH;
case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
return vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_ROBUST_BUFFER_ACCESS;
- case PIPE_CAP_TGSI_FS_FBFETCH:
- return vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_TGSI_FBFETCH;
+ case PIPE_CAP_FBFETCH:
+ return (vscreen->caps.caps.v2.capability_bits &
+ VIRGL_CAP_TGSI_FBFETCH) ? 1 : 0;
case PIPE_CAP_TGSI_CLOCK:
return vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_SHADER_CLOCK;
case PIPE_CAP_TGSI_ARRAY_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:
return u_pipe_screen_get_param_defaults(screen, param);
}
case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
return 1;
+ case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
+ case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
+ return vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_INDIRECT_INPUT_ADDR;
case PIPE_SHADER_CAP_MAX_INPUTS:
if (vscreen->caps.caps.v1.glsl_level < 150)
return vscreen->caps.caps.v2.max_vertex_attribs;
return 0;
}
+static boolean
+has_format_bit(struct virgl_supported_format_mask *mask,
+ enum virgl_formats fmt)
+{
+ assert(fmt < VIRGL_FORMAT_MAX);
+ unsigned val = (unsigned)fmt;
+ unsigned idx = val / 32;
+ unsigned bit = val % 32;
+ assert(idx < ARRAY_SIZE(mask->bitmask));
+ return (mask->bitmask[val / 32] & (1u << bit)) != 0;
+}
+
+boolean
+virgl_has_readback_format(struct pipe_screen *screen,
+ enum virgl_formats fmt)
+{
+ struct virgl_screen *vscreen = virgl_screen(screen);
+ return has_format_bit(&vscreen->caps.caps.v2.supported_readback_formats,
+ fmt);
+}
+
static boolean
virgl_is_vertex_format_supported(struct pipe_screen *screen,
enum pipe_format format)
return TRUE;
}
+static boolean
+virgl_format_check_bitmask(enum pipe_format format,
+ uint32_t bitmask[16],
+ boolean may_emulate_bgra)
+{
+ int big = format / 32;
+ int small = format % 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;
+ }
+
+ big = format / 32;
+ small = format % 32;
+ if (bitmask[big] & (1 << small))
+ return TRUE;
+ }
+ return FALSE;
+}
+
/**
* Query format support for creating a texture, drawing surface, etc.
* \param format the format to test
const struct util_format_description *format_desc;
int i;
+ boolean may_emulate_bgra = false;
+
if (MAX2(1, sample_count) != MAX2(1, storage_sample_count))
return false;
target == PIPE_TEXTURE_3D)
return FALSE;
+ may_emulate_bgra = (vscreen->caps.caps.v2.capability_bits &
+ VIRGL_CAP_APP_TWEAK_SUPPORT) &&
+ vscreen->tweak_gles_emulate_bgra;
+
if (bind & PIPE_BIND_RENDER_TARGET) {
/* For ARB_framebuffer_no_attachments. */
if (format == PIPE_FORMAT_NONE)
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 (!virgl_format_check_bitmask(format,
+ vscreen->caps.caps.v1.render.bitmask,
+ may_emulate_bgra))
+ return FALSE;
}
if (bind & PIPE_BIND_DEPTH_STENCIL) {
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,
+ vscreen->caps.caps.v1.sampler.bitmask,
+ may_emulate_bgra);
}
static void virgl_flush_frontbuffer(struct pipe_screen *screen,
FREE(vscreen);
}
+static void
+fixup_readback_format(union virgl_caps *caps)
+{
+ const size_t size = ARRAY_SIZE(caps->v2.supported_readback_formats.bitmask);
+ for (int i = 0; i < size; ++i) {
+ if (caps->v2.supported_readback_formats.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];
+ }
+}
+
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);
screen->refcnt = 1;