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virgl: Support ARB_framebuffer_no_attachments

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This uses new protocol to send the default sizes to the host.

Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>
This commit is contained in:
Dave Airlie 2018-07-19 05:35:53 +10:00
parent f8a8ea6a2d
commit 2df8b80c4c
4 changed files with 23 additions and 1 deletions
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6
src/gallium/drivers/virgl/virgl_encode.c
View file

@ -350,6 +350,12 @@ int virgl_encoder_set_framebuffer_state(struct virgl_context *ctx,
virgl_encoder_write_dword(ctx->cbuf, surf ? surf->handle : 0);
}
struct virgl_screen *rs = virgl_screen(ctx->base.screen);
if (rs->caps.caps.v2.capability_bits & VIRGL_CAP_FB_NO_ATTACH) {
virgl_encoder_write_cmd_dword(ctx, VIRGL_CMD0(VIRGL_CCMD_SET_FRAMEBUFFER_STATE_NO_ATTACH, 0, VIRGL_SET_FRAMEBUFFER_STATE_NO_ATTACH_SIZE));
virgl_encoder_write_dword(ctx->cbuf, state->width | (state->height << 16));
virgl_encoder_write_dword(ctx->cbuf, state->layers | (state->samples << 16));
}
return 0;
}

1
src/gallium/drivers/virgl/virgl_hw.h
View file

@ -207,6 +207,7 @@ enum virgl_formats {
#define VIRGL_CAP_TXQS (1 << 5)
#define VIRGL_CAP_MEMORY_BARRIER (1 << 6)
#define VIRGL_CAP_COMPUTE_SHADER (1 << 7)
#define VIRGL_CAP_FB_NO_ATTACH (1 << 8)
#define VIRGL_BIND_DEPTH_STENCIL (1 << 0)
#define VIRGL_BIND_RENDER_TARGET (1 << 1)

10
src/gallium/drivers/virgl/virgl_protocol.h
View file

@ -90,6 +90,7 @@ enum virgl_context_cmd {
VIRGL_CCMD_SET_SHADER_IMAGES,
VIRGL_CCMD_MEMORY_BARRIER,
VIRGL_CCMD_LAUNCH_GRID,
VIRGL_CCMD_SET_FRAMEBUFFER_STATE_NO_ATTACH,
};
/*
@ -529,4 +530,13 @@ enum virgl_context_cmd {
#define VIRGL_LAUNCH_INDIRECT_HANDLE 7
#define VIRGL_LAUNCH_INDIRECT_OFFSET 8
/* framebuffer state no attachment */
#define VIRGL_SET_FRAMEBUFFER_STATE_NO_ATTACH_SIZE 2
#define VIRGL_SET_FRAMEBUFFER_STATE_NO_ATTACH_WIDTH_HEIGHT 1
#define VIRGL_SET_FRAMEBUFFER_STATE_NO_ATTACH_WIDTH(x) (x & 0xffff)
#define VIRGL_SET_FRAMEBUFFER_STATE_NO_ATTACH_HEIGHT(x) ((x >> 16) & 0xffff)
#define VIRGL_SET_FRAMEBUFFER_STATE_NO_ATTACH_LAYERS_SAMPLES 2
#define VIRGL_SET_FRAMEBUFFER_STATE_NO_ATTACH_LAYERS(x) (x & 0xffff)
#define VIRGL_SET_FRAMEBUFFER_STATE_NO_ATTACH_SAMPLES(x) ((x >> 16) & 0xff)
#endif

7
src/gallium/drivers/virgl/virgl_screen.c
View file

@ -225,6 +225,8 @@ virgl_get_param(struct pipe_screen *screen, enum pipe_cap param)
return vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_COPY_IMAGE;
case PIPE_CAP_TGSI_TXQS:
return vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_TXQS;
case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
return vscreen->caps.caps.v2.capability_bits & VIRGL_CAP_FB_NO_ATTACH;
case PIPE_CAP_TEXTURE_GATHER_SM5:
case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
case PIPE_CAP_FAKE_SW_MSAA:
@ -256,7 +258,6 @@ virgl_get_param(struct pipe_screen *screen, enum pipe_cap param)
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_PRIMITIVE_RESTART_FOR_PATCHES:
case PIPE_CAP_TGSI_VOTE:
@ -579,6 +580,10 @@ virgl_is_format_supported( struct pipe_screen *screen,
return FALSE;
if (bind & PIPE_BIND_RENDER_TARGET) {
/* For ARB_framebuffer_no_attachments. */
if (format == PIPE_FORMAT_NONE)
return TRUE;
if (format_desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS)
return FALSE;