Am 14.09.2014 16:07, schrieb mathias.froehl...@gmx.net: > From: Mathias Fröhlich <mathias.froehl...@gmx.net> > > In preparation of NV_depth_buffer_float. Let the > driver decide if it could support writing depth values > beyond the [0, 1] range. > > Signed-off-by: Mathias Froehlich <mathias.froehl...@web.de > --- > src/gallium/docs/source/screen.rst | 3 +++ > src/gallium/drivers/freedreno/freedreno_screen.c | 1 + > src/gallium/drivers/i915/i915_screen.c | 1 + > src/gallium/drivers/ilo/ilo_screen.c | 1 + > src/gallium/drivers/llvmpipe/lp_screen.c | 2 ++ > src/gallium/drivers/nouveau/nv30/nv30_screen.c | 1 + > src/gallium/drivers/nouveau/nv50/nv50_screen.c | 1 + > src/gallium/drivers/nouveau/nvc0/nvc0_screen.c | 1 + > src/gallium/drivers/r300/r300_screen.c | 1 + > src/gallium/drivers/r600/r600_pipe.c | 1 + > src/gallium/drivers/radeonsi/si_pipe.c | 1 + > src/gallium/drivers/softpipe/sp_screen.c | 2 ++ > src/gallium/drivers/svga/svga_screen.c | 1 + > src/gallium/drivers/vc4/vc4_screen.c | 1 + > src/gallium/include/pipe/p_defines.h | 1 + > 15 files changed, 19 insertions(+) > > diff --git a/src/gallium/docs/source/screen.rst > b/src/gallium/docs/source/screen.rst > index c83be12..82f7c72 100644 > --- a/src/gallium/docs/source/screen.rst > +++ b/src/gallium/docs/source/screen.rst > @@ -230,6 +230,9 @@ The integer capabilities: > different than the underlying resource's, as permitted by > ARB_texture_view. For example a 2d array texture may be reinterpreted as a > cube (array) texture and vice-versa. > +* ``PIPE_CAP_UNCLAMPED_DEPTH_VALUES``: If depth value clamping to [0,1] can > be > + switched off when writing into the depth buffer. This controls whether > + NV_depth_buffer_float is provided. > > > .. _pipe_capf: > diff --git a/src/gallium/drivers/freedreno/freedreno_screen.c > b/src/gallium/drivers/freedreno/freedreno_screen.c > index 6db75ad..d868014 100644 > --- a/src/gallium/drivers/freedreno/freedreno_screen.c > +++ b/src/gallium/drivers/freedreno/freedreno_screen.c > @@ -221,6 +221,7 @@ fd_screen_get_param(struct pipe_screen *pscreen, enum > pipe_cap param) > case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE: > case PIPE_CAP_CONDITIONAL_RENDER_INVERTED: > case PIPE_CAP_SAMPLER_VIEW_TARGET: > + case PIPE_CAP_UNCLAMPED_DEPTH_VALUES: > return 0; > > /* Stream output. */ > diff --git a/src/gallium/drivers/i915/i915_screen.c > b/src/gallium/drivers/i915/i915_screen.c > index 9006734..1414ffd 100644 > --- a/src/gallium/drivers/i915/i915_screen.c > +++ b/src/gallium/drivers/i915/i915_screen.c > @@ -223,6 +223,7 @@ i915_get_param(struct pipe_screen *screen, enum pipe_cap > cap) > case PIPE_CAP_TEXTURE_GATHER_OFFSETS: > case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION: > case PIPE_CAP_CONDITIONAL_RENDER_INVERTED: > + case PIPE_CAP_UNCLAMPED_DEPTH_VALUES: > return 0; > > case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS: > diff --git a/src/gallium/drivers/ilo/ilo_screen.c > b/src/gallium/drivers/ilo/ilo_screen.c > index 82fda2c..fc0f3eb 100644 > --- a/src/gallium/drivers/ilo/ilo_screen.c > +++ b/src/gallium/drivers/ilo/ilo_screen.c > @@ -439,6 +439,7 @@ ilo_get_param(struct pipe_screen *screen, enum pipe_cap > param) > case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE: > case PIPE_CAP_CONDITIONAL_RENDER_INVERTED: > case PIPE_CAP_SAMPLER_VIEW_TARGET: > + case PIPE_CAP_UNCLAMPED_DEPTH_VALUES: > return 0; > > case PIPE_CAP_VENDOR_ID: > diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c > b/src/gallium/drivers/llvmpipe/lp_screen.c > index e6597e9..47a411c 100644 > --- a/src/gallium/drivers/llvmpipe/lp_screen.c > +++ b/src/gallium/drivers/llvmpipe/lp_screen.c > @@ -277,6 +277,8 @@ llvmpipe_get_param(struct pipe_screen *screen, enum > pipe_cap param) > } > case PIPE_CAP_UMA: > return 0; > + case PIPE_CAP_UNCLAMPED_DEPTH_VALUES: > + return 1; > } > /* should only get here on unhandled cases */ > debug_printf("Unexpected PIPE_CAP %d query\n", param); > diff --git a/src/gallium/drivers/nouveau/nv30/nv30_screen.c > b/src/gallium/drivers/nouveau/nv30/nv30_screen.c > index a1373fd..caf70be 100644 > --- a/src/gallium/drivers/nouveau/nv30/nv30_screen.c > +++ b/src/gallium/drivers/nouveau/nv30/nv30_screen.c > @@ -156,6 +156,7 @@ nv30_screen_get_param(struct pipe_screen *pscreen, enum > pipe_cap param) > case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE: > case PIPE_CAP_CONDITIONAL_RENDER_INVERTED: > case PIPE_CAP_SAMPLER_VIEW_TARGET: > + case PIPE_CAP_UNCLAMPED_DEPTH_VALUES: > return 0; > > case PIPE_CAP_VENDOR_ID: > diff --git a/src/gallium/drivers/nouveau/nv50/nv50_screen.c > b/src/gallium/drivers/nouveau/nv50/nv50_screen.c > index 3a46e72..618abf8 100644 > --- a/src/gallium/drivers/nouveau/nv50/nv50_screen.c > +++ b/src/gallium/drivers/nouveau/nv50/nv50_screen.c > @@ -204,6 +204,7 @@ nv50_screen_get_param(struct pipe_screen *pscreen, enum > pipe_cap param) > case PIPE_CAP_COMPUTE: > case PIPE_CAP_DRAW_INDIRECT: > case PIPE_CAP_CONDITIONAL_RENDER_INVERTED: > + case PIPE_CAP_UNCLAMPED_DEPTH_VALUES: > return 0; > > case PIPE_CAP_VENDOR_ID: > diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c > b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c > index 3858981..5c5b145 100644 > --- a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c > +++ b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c > @@ -188,6 +188,7 @@ nvc0_screen_get_param(struct pipe_screen *pscreen, enum > pipe_cap param) > case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT: > case PIPE_CAP_FAKE_SW_MSAA: > case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION: > + case PIPE_CAP_UNCLAMPED_DEPTH_VALUES: > return 0; > > case PIPE_CAP_VENDOR_ID: > diff --git a/src/gallium/drivers/r300/r300_screen.c > b/src/gallium/drivers/r300/r300_screen.c > index c35559f..03832a2 100644 > --- a/src/gallium/drivers/r300/r300_screen.c > +++ b/src/gallium/drivers/r300/r300_screen.c > @@ -181,6 +181,7 @@ static int r300_get_param(struct pipe_screen* pscreen, > enum pipe_cap param) > case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE: > case PIPE_CAP_CONDITIONAL_RENDER_INVERTED: > case PIPE_CAP_SAMPLER_VIEW_TARGET: > + case PIPE_CAP_UNCLAMPED_DEPTH_VALUES: > return 0; > > /* SWTCL-only features. */ > diff --git a/src/gallium/drivers/r600/r600_pipe.c > b/src/gallium/drivers/r600/r600_pipe.c > index c6459d8..d5ff1dd 100644 > --- a/src/gallium/drivers/r600/r600_pipe.c > +++ b/src/gallium/drivers/r600/r600_pipe.c > @@ -324,6 +324,7 @@ static int r600_get_param(struct pipe_screen* pscreen, > enum pipe_cap param) > case PIPE_CAP_DRAW_INDIRECT: > case PIPE_CAP_CONDITIONAL_RENDER_INVERTED: > case PIPE_CAP_SAMPLER_VIEW_TARGET: > + case PIPE_CAP_UNCLAMPED_DEPTH_VALUES: > return 0; > > /* Stream output. */ > diff --git a/src/gallium/drivers/radeonsi/si_pipe.c > b/src/gallium/drivers/radeonsi/si_pipe.c > index 4f9c876..da51f56 100644 > --- a/src/gallium/drivers/radeonsi/si_pipe.c > +++ b/src/gallium/drivers/radeonsi/si_pipe.c > @@ -248,6 +248,7 @@ static int si_get_param(struct pipe_screen* pscreen, enum > pipe_cap param) > case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE: > case PIPE_CAP_CONDITIONAL_RENDER_INVERTED: > case PIPE_CAP_SAMPLER_VIEW_TARGET: > + case PIPE_CAP_UNCLAMPED_DEPTH_VALUES: > return 0; > > case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK: > diff --git a/src/gallium/drivers/softpipe/sp_screen.c > b/src/gallium/drivers/softpipe/sp_screen.c > index a6e7fc0..1cb8a05 100644 > --- a/src/gallium/drivers/softpipe/sp_screen.c > +++ b/src/gallium/drivers/softpipe/sp_screen.c > @@ -227,6 +227,8 @@ softpipe_get_param(struct pipe_screen *screen, enum > pipe_cap param) > return 0; > case PIPE_CAP_CONDITIONAL_RENDER_INVERTED: > return 1; > + case PIPE_CAP_UNCLAMPED_DEPTH_VALUES: > + return 1; > } > /* should only get here on unhandled cases */ > debug_printf("Unexpected PIPE_CAP %d query\n", param); > diff --git a/src/gallium/drivers/svga/svga_screen.c > b/src/gallium/drivers/svga/svga_screen.c > index 004b4b4..8c68d2e 100644 > --- a/src/gallium/drivers/svga/svga_screen.c > +++ b/src/gallium/drivers/svga/svga_screen.c > @@ -281,6 +281,7 @@ svga_get_param(struct pipe_screen *screen, enum pipe_cap > param) > case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE: > case PIPE_CAP_CONDITIONAL_RENDER_INVERTED: > case PIPE_CAP_SAMPLER_VIEW_TARGET: > + case PIPE_CAP_UNCLAMPED_DEPTH_VALUES: > return 0; > case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT: > return 64; > diff --git a/src/gallium/drivers/vc4/vc4_screen.c > b/src/gallium/drivers/vc4/vc4_screen.c > index 1c4d9db..266e83f 100644 > --- a/src/gallium/drivers/vc4/vc4_screen.c > +++ b/src/gallium/drivers/vc4/vc4_screen.c > @@ -162,6 +162,7 @@ vc4_screen_get_param(struct pipe_screen *pscreen, enum > pipe_cap param) > case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE: > case PIPE_CAP_CONDITIONAL_RENDER_INVERTED: > case PIPE_CAP_SAMPLER_VIEW_TARGET: > + case PIPE_CAP_UNCLAMPED_DEPTH_VALUES: > return 0; > > /* Stream output. */ > diff --git a/src/gallium/include/pipe/p_defines.h > b/src/gallium/include/pipe/p_defines.h > index 93156b9..f814277 100644 > --- a/src/gallium/include/pipe/p_defines.h > +++ b/src/gallium/include/pipe/p_defines.h > @@ -571,6 +571,7 @@ enum pipe_cap { > PIPE_CAP_CONDITIONAL_RENDER_INVERTED = 108, > PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE = 109, > PIPE_CAP_SAMPLER_VIEW_TARGET = 110, > + PIPE_CAP_UNCLAMPED_DEPTH_VALUES = 111, > }; > > #define PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_NV50 (1 << 0) >
Reviewed-by: Roland Scheidegger <srol...@vmware.com> _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev