* 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/format/u_format.h"
+#include "util/format/u_format_s3tc.h"
+#include "util/u_screen.h"
#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"
-
-#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 */
+#include "virtio-gpu/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 },
+ { "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)
static const char *
virgl_get_vendor(struct pipe_screen *screen)
{
- return "Red Hat";
+ return "Mesa/X.org";
}
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_OCCLUSION_QUERY:
return vscreen->caps.caps.v1.bset.occlusion_query;
case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
+ case PIPE_CAP_TEXTURE_MIRROR_CLAMP_TO_EDGE:
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_2D_SIZE:
+ if (vscreen->caps.caps.v2.max_texture_2d_size)
+ return vscreen->caps.caps.v2.max_texture_2d_size;
+ return 16384;
case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
- return SP_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 9; /* 256 x 256 x 256 */
case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
- return SP_MAX_TEXTURE_CUBE_LEVELS;
+ if (vscreen->caps.caps.v2.max_texture_cube_size)
+ return 1 + util_logbase2(vscreen->caps.caps.v2.max_texture_cube_size);
+ return 13; /* 4K x 4K */
case PIPE_CAP_BLEND_EQUATION_SEPARATE:
return 1;
case PIPE_CAP_INDEP_BLEND_ENABLE:
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_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
return 16*4;
case PIPE_CAP_PRIMITIVE_RESTART:
+ case PIPE_CAP_PRIMITIVE_RESTART_FIXED_INDEX:
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_CONDITIONAL_RENDER:
return vscreen->caps.caps.v1.bset.conditional_render;
case PIPE_CAP_TEXTURE_BARRIER:
- return 0;
+ return vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_TEXTURE_BARRIER;
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;
+ return (vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_FBO_MIXED_COLOR_FORMATS) ||
+ (vscreen->caps.caps.v2.host_feature_check_version < 1);
case PIPE_CAP_GLSL_FEATURE_LEVEL:
return vscreen->caps.caps.v1.glsl_level;
case PIPE_CAP_GLSL_FEATURE_LEVEL_COMPATIBILITY:
return MIN2(vscreen->caps.caps.v1.glsl_level, 140);
case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
+ case PIPE_CAP_DEPTH_CLIP_DISABLE_SEPARATE:
return 0;
case PIPE_CAP_COMPUTE:
return vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_COMPUTE_SHADER;
case PIPE_CAP_QUERY_TIMESTAMP:
return 1;
case PIPE_CAP_QUERY_TIME_ELAPSED:
- return 0;
+ return 1;
case PIPE_CAP_TGSI_TEXCOORD:
return 0;
case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
case PIPE_CAP_CULL_DISTANCE:
return vscreen->caps.caps.v1.bset.has_cull;
case PIPE_CAP_MAX_VERTEX_STREAMS:
- return vscreen->caps.caps.v1.glsl_level >= 400 ? 4 : 1;
+ return ((vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_TRANSFORM_FEEDBACK3) ||
+ (vscreen->caps.caps.v2.host_feature_check_version < 2)) ? 4 : 1;
case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
return vscreen->caps.caps.v1.bset.conditional_render_inverted;
case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE:
case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
return vscreen->caps.caps.v2.shader_buffer_offset_alignment;
case PIPE_CAP_DOUBLES:
- return vscreen->caps.caps.v1.bset.has_fp64;
+ return vscreen->caps.caps.v1.bset.has_fp64 ||
+ (vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_FAKE_FP64);
case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
return vscreen->caps.caps.v2.max_shader_patch_varyings;
case PIPE_CAP_SAMPLER_VIEW_TARGET:
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_TEXTURE_GATHER_SM5:
- case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
- case PIPE_CAP_FAKE_SW_MSAA:
- case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
- case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
- case PIPE_CAP_MULTI_DRAW_INDIRECT:
- case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS:
- 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_DEVICE_RESET_STATUS_QUERY:
+ case PIPE_CAP_FBFETCH:
+ return (vscreen->caps.caps.v2.capability_bits &
+ VIRGL_CAP_TGSI_FBFETCH) ? 1 : 0;
+ case PIPE_CAP_BLEND_EQUATION_ADVANCED:
+ return vscreen->caps.caps.v2.capability_bits_v2 & VIRGL_CAP_V2_BLEND_EQUATION;
+ case PIPE_CAP_TGSI_CLOCK:
+ return vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_SHADER_CLOCK;
+ case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
+ return vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_TGSI_COMPONENTS;
+ case PIPE_CAP_MAX_COMBINED_SHADER_BUFFERS:
+ return vscreen->caps.caps.v2.max_combined_shader_buffers;
+ case PIPE_CAP_MAX_COMBINED_HW_ATOMIC_COUNTERS:
+ return vscreen->caps.caps.v2.max_combined_atomic_counters;
+ case PIPE_CAP_MAX_COMBINED_HW_ATOMIC_COUNTER_BUFFERS:
+ return vscreen->caps.caps.v2.max_combined_atomic_counter_buffers;
case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
- case PIPE_CAP_DEPTH_BOUNDS_TEST:
- 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_INVALIDATE_BUFFER:
- case PIPE_CAP_GENERATE_MIPMAP:
- case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS:
+ return 1; /* TODO: need to introduce a hw-cap for this */
case PIPE_CAP_QUERY_BUFFER_OBJECT:
- case PIPE_CAP_STRING_MARKER:
- case PIPE_CAP_QUERY_MEMORY_INFO:
+ return vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_QBO;
+ case PIPE_CAP_MAX_VARYINGS:
+ if (vscreen->caps.caps.v1.glsl_level < 150)
+ return vscreen->caps.caps.v2.max_vertex_attribs;
+ return 32;
+ case PIPE_CAP_FAKE_SW_MSAA:
+ /* If the host supports only one sample (e.g., if it is using softpipe),
+ * fake multisampling to able to advertise higher GL versions. */
+ return (vscreen->caps.caps.v1.max_samples == 1) ? 1 : 0;
+ case PIPE_CAP_MULTI_DRAW_INDIRECT:
+ return !!(vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_MULTI_DRAW_INDIRECT);
+ case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS:
+ return !!(vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_INDIRECT_PARAMS);
case PIPE_CAP_PCI_GROUP:
case PIPE_CAP_PCI_BUS:
case PIPE_CAP_PCI_DEVICE:
case PIPE_CAP_PCI_FUNCTION:
- 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_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_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_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_FRAMEBUFFER_MSAA_CONSTRAINTS:
- case PIPE_CAP_SIGNED_VERTEX_BUFFER_OFFSET:
- case PIPE_CAP_CONTEXT_PRIORITY_MASK:
- case PIPE_CAP_FENCE_SIGNAL:
- case PIPE_CAP_CONSTBUF0_FLAGS:
- case PIPE_CAP_PACKED_UNIFORMS:
- case PIPE_CAP_CONSERVATIVE_RASTER_POST_SNAP_TRIANGLES:
- case PIPE_CAP_CONSERVATIVE_RASTER_POST_SNAP_POINTS_LINES:
- case PIPE_CAP_CONSERVATIVE_RASTER_PRE_SNAP_TRIANGLES:
- case PIPE_CAP_CONSERVATIVE_RASTER_PRE_SNAP_POINTS_LINES:
- case PIPE_CAP_CONSERVATIVE_RASTER_POST_DEPTH_COVERAGE:
- case PIPE_CAP_MAX_CONSERVATIVE_RASTER_SUBPIXEL_PRECISION_BIAS:
- case PIPE_CAP_PROGRAMMABLE_SAMPLE_LOCATIONS:
return 0;
+ case PIPE_CAP_CLEAR_TEXTURE:
+ return vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_CLEAR_TEXTURE;
+ 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:
+ return 1 << 27;
case PIPE_CAP_VENDOR_ID:
return 0x1af4;
case PIPE_CAP_DEVICE_ID:
case PIPE_CAP_VIDEO_MEMORY:
return 0;
case PIPE_CAP_NATIVE_FENCE_FD:
- return 0;
+ return vscreen->vws->supports_fences;
+ case PIPE_CAP_DEST_SURFACE_SRGB_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);
}
- /* should only get here on unhandled cases */
- debug_printf("Unexpected PIPE_CAP %d query\n", param);
- return 0;
}
static int
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 vscreen->caps.caps.v2.max_shader_image_other_stages;
case PIPE_SHADER_CAP_SUPPORTED_IRS:
return (1 << PIPE_SHADER_IR_TGSI);
+ case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
+ return vscreen->caps.caps.v2.max_atomic_counters[shader];
+ case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
+ return vscreen->caps.caps.v2.max_atomic_counter_buffers[shader];
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:
+ case PIPE_SHADER_CAP_FP16_DERIVATIVES:
+ case PIPE_SHADER_CAP_INT16:
+ case PIPE_SHADER_CAP_GLSL_16BIT_CONSTS:
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)
+{
+ 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[idx] & (1u << bit)) != 0;
+}
+
+bool
+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 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;
+ if (!util_is_power_of_two_or_zero(sample_count))
+ return false;
+
assert(target == PIPE_BUFFER ||
target == PIPE_TEXTURE_1D ||
target == PIPE_TEXTURE_1D_ARRAY ||
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) {
return virgl_is_vertex_format_supported(screen, format);
}
+ if (util_format_is_compressed(format) && target == PIPE_BUFFER)
+ 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;
+
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
* surfaces. So disable these here to avoid going into weird paths
- * inside the state trackers.
+ * inside gallium frontends.
*/
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 (format_desc->layout == UTIL_FORMAT_LAYOUT_BPTC) {
goto out_lookup;
}
+ if (format_desc->layout == UTIL_FORMAT_LAYOUT_ETC) {
+ goto out_lookup;
+ }
if (format == PIPE_FORMAT_R11G11B10_FLOAT) {
goto out_lookup;
}
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;
return vws->fence_wait(vws, fence, timeout);
}
+static int virgl_fence_get_fd(struct pipe_screen *screen,
+ struct pipe_fence_handle *fence)
+{
+ struct virgl_screen *vscreen = virgl_screen(screen);
+ struct virgl_winsys *vws = vscreen->vws;
+
+ return vws->fence_get_fd(vws, fence);
+}
+
static uint64_t
virgl_get_timestamp(struct pipe_screen *_screen)
{
struct virgl_screen *vscreen = virgl_screen(screen);
struct virgl_winsys *vws = vscreen->vws;
- slab_destroy_parent(&vscreen->texture_transfer_pool);
+ slab_destroy_parent(&vscreen->transfer_pool);
if (vws)
vws->destroy(vws);
FREE(vscreen);
}
+static void
+fixup_formats(union virgl_caps *caps, struct virgl_supported_format_mask *mask)
+{
+ const size_t size = ARRAY_SIZE(mask->bitmask);
+ for (int i = 0; i < size; ++i) {
+ 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)
+ 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;
screen->base.fence_reference = virgl_fence_reference;
//screen->base.fence_signalled = virgl_fence_signalled;
screen->base.fence_finish = virgl_fence_finish;
+ screen->base.fence_get_fd = virgl_fence_get_fd;
virgl_init_screen_resource_functions(&screen->base);
vws->get_caps(vws, &screen->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;
- slab_create_parent(&screen->texture_transfer_pool, sizeof(struct virgl_transfer), 16);
+ slab_create_parent(&screen->transfer_pool, sizeof(struct virgl_transfer), 16);
return &screen->base;
}