[Mesa-dev] [PATCH 4/5] gallium: introduce PIPE_CAP_CLIP_HALFZ.
Mathias.Froehlich at gmx.net
Mathias.Froehlich at gmx.net
Fri Oct 24 00:26:56 PDT 2014
From: Mathias Fröhlich <Mathias.Froehlich at gmx.net>
In preparation of ARB_clip_control. Let the driver decide if
it supports pipe_rasterizer_state::clip_halfz being set to true.
v3:
Initially enable on ilo.
Signed-off-by: Mathias Froehlich <Mathias.Froehlich at 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 | 2 ++
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, 20 insertions(+)
diff --git a/src/gallium/docs/source/screen.rst b/src/gallium/docs/source/screen.rst
index 88d7e49..e711ad4 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_CLIP_HALFZ``: Whether the driver supports the
+ pipe_rasterizer_state::clip_halfz being set to true. This is required
+ for enabling ARB_clip_control.
.. _pipe_capf:
diff --git a/src/gallium/drivers/freedreno/freedreno_screen.c b/src/gallium/drivers/freedreno/freedreno_screen.c
index 90156b4..7a3cd95 100644
--- a/src/gallium/drivers/freedreno/freedreno_screen.c
+++ b/src/gallium/drivers/freedreno/freedreno_screen.c
@@ -226,6 +226,7 @@ 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_CLIP_HALFZ:
return 0;
case PIPE_CAP_MAX_VIEWPORTS:
diff --git a/src/gallium/drivers/i915/i915_screen.c b/src/gallium/drivers/i915/i915_screen.c
index 2a6e751..062f1a6 100644
--- a/src/gallium/drivers/i915/i915_screen.c
+++ b/src/gallium/drivers/i915/i915_screen.c
@@ -225,6 +225,7 @@ 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_CLIP_HALFZ:
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 48c3dea..da6cf76 100644
--- a/src/gallium/drivers/ilo/ilo_screen.c
+++ b/src/gallium/drivers/ilo/ilo_screen.c
@@ -469,6 +469,8 @@ ilo_get_param(struct pipe_screen *screen, enum pipe_cap param)
}
case PIPE_CAP_UMA:
return true;
+ case PIPE_CAP_CLIP_HALFZ:
+ return true;
default:
return 0;
diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c b/src/gallium/drivers/llvmpipe/lp_screen.c
index ad716b7..cec0fcb 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_CLIP_HALFZ:
+ 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 700b9bb..2b65f8c 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_CLIP_HALFZ:
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 d26a438..4ee5980 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_CLIP_HALFZ:
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 a673eb9..88fc926 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_CLIP_HALFZ:
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 db9ad15..47616f6 100644
--- a/src/gallium/drivers/r300/r300_screen.c
+++ b/src/gallium/drivers/r300/r300_screen.c
@@ -107,6 +107,7 @@ static int r300_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
case PIPE_CAP_USER_CONSTANT_BUFFERS:
case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
+ case PIPE_CAP_CLIP_HALFZ:
return 1;
case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
diff --git a/src/gallium/drivers/r600/r600_pipe.c b/src/gallium/drivers/r600/r600_pipe.c
index c794530..fda958e 100644
--- a/src/gallium/drivers/r600/r600_pipe.c
+++ b/src/gallium/drivers/r600/r600_pipe.c
@@ -266,6 +266,7 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT:
case PIPE_CAP_SAMPLE_SHADING:
+ case PIPE_CAP_CLIP_HALFZ:
return 1;
case PIPE_CAP_COMPUTE:
diff --git a/src/gallium/drivers/radeonsi/si_pipe.c b/src/gallium/drivers/radeonsi/si_pipe.c
index 8397115..0577cd2 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.c
+++ b/src/gallium/drivers/radeonsi/si_pipe.c
@@ -210,6 +210,7 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
case PIPE_CAP_CUBE_MAP_ARRAY:
case PIPE_CAP_SAMPLE_SHADING:
case PIPE_CAP_DRAW_INDIRECT:
+ case PIPE_CAP_CLIP_HALFZ:
return 1;
case PIPE_CAP_TEXTURE_MULTISAMPLE:
diff --git a/src/gallium/drivers/softpipe/sp_screen.c b/src/gallium/drivers/softpipe/sp_screen.c
index a6e7fc0..47126ef 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_CLIP_HALFZ:
+ 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 587eaad..691d9df 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_CLIP_HALFZ:
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 4c0455d..b84b6b0 100644
--- a/src/gallium/drivers/vc4/vc4_screen.c
+++ b/src/gallium/drivers/vc4/vc4_screen.c
@@ -164,6 +164,7 @@ 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_CLIP_HALFZ:
return 0;
/* Stream output. */
diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h
index 42b6f37..8c4e415 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_CLIP_HALFZ = 111,
};
#define PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_NV50 (1 << 0)
--
1.9.3
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