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-rw-r--r--src/gallium/docs/source/screen.rst9
-rw-r--r--src/gallium/drivers/freedreno/freedreno_screen.c1
-rw-r--r--src/gallium/drivers/i915/i915_screen.c1
-rw-r--r--src/gallium/drivers/ilo/ilo_screen.c1
-rw-r--r--src/gallium/drivers/llvmpipe/lp_screen.c1
-rw-r--r--src/gallium/drivers/nouveau/nv30/nv30_screen.c1
-rw-r--r--src/gallium/drivers/nouveau/nv50/nv50_screen.c1
-rw-r--r--src/gallium/drivers/nouveau/nvc0/nvc0_screen.c1
-rw-r--r--src/gallium/drivers/r300/r300_screen.c1
-rw-r--r--src/gallium/drivers/r600/r600_pipe.c1
-rw-r--r--src/gallium/drivers/radeonsi/si_pipe.c1
-rw-r--r--src/gallium/drivers/softpipe/sp_screen.c1
-rw-r--r--src/gallium/drivers/svga/svga_screen.c1
-rw-r--r--src/gallium/drivers/vc4/vc4_screen.c1
-rw-r--r--src/gallium/include/pipe/p_defines.h1
-rw-r--r--src/gallium/include/pipe/p_state.h1
16 files changed, 24 insertions, 0 deletions
diff --git a/src/gallium/docs/source/screen.rst b/src/gallium/docs/source/screen.rst
index e7800472f44..e08844b2f0b 100644
--- a/src/gallium/docs/source/screen.rst
+++ b/src/gallium/docs/source/screen.rst
@@ -268,6 +268,15 @@ The integer capabilities:
bounds_max states of pipe_depth_stencil_alpha_state behave according
to the GL_EXT_depth_bounds_test specification.
* ``PIPE_CAP_TGSI_TXQS``: Whether the `TXQS` opcode is supported
+* ``PIPE_CAP_FORCE_PERSAMPLE_INTERP``: If the driver can force per-sample
+ interpolation for all fragment shader inputs if
+ pipe_rasterizer_state::force_persample_interp is set. This is only used
+ by GL3-level sample shading (ARB_sample_shading). GL4-level sample shading
+ (ARB_gpu_shader5) doesn't use this. While GL3 hardware has a state for it,
+ GL4 hardware will likely need to emulate it with a shader variant, or by
+ selecting the interpolation weights with a conditional assignment
+ in the shader.
+
.. _pipe_capf:
diff --git a/src/gallium/drivers/freedreno/freedreno_screen.c b/src/gallium/drivers/freedreno/freedreno_screen.c
index 9a684d4ffbb..0d0100590d6 100644
--- a/src/gallium/drivers/freedreno/freedreno_screen.c
+++ b/src/gallium/drivers/freedreno/freedreno_screen.c
@@ -235,6 +235,7 @@ fd_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
case PIPE_CAP_DEPTH_BOUNDS_TEST:
case PIPE_CAP_TGSI_TXQS:
+ case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
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 51c64edda22..9d6b3d39183 100644
--- a/src/gallium/drivers/i915/i915_screen.c
+++ b/src/gallium/drivers/i915/i915_screen.c
@@ -248,6 +248,7 @@ i915_get_param(struct pipe_screen *screen, enum pipe_cap cap)
case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
case PIPE_CAP_DEPTH_BOUNDS_TEST:
case PIPE_CAP_TGSI_TXQS:
+ case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
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 9e37e24014a..76812a666a0 100644
--- a/src/gallium/drivers/ilo/ilo_screen.c
+++ b/src/gallium/drivers/ilo/ilo_screen.c
@@ -470,6 +470,7 @@ ilo_get_param(struct pipe_screen *screen, enum pipe_cap param)
case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
case PIPE_CAP_DEPTH_BOUNDS_TEST:
case PIPE_CAP_TGSI_TXQS:
+ case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
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 697e3d97c19..50c3781f5f8 100644
--- a/src/gallium/drivers/llvmpipe/lp_screen.c
+++ b/src/gallium/drivers/llvmpipe/lp_screen.c
@@ -297,6 +297,7 @@ llvmpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
case PIPE_CAP_DEPTH_BOUNDS_TEST:
case PIPE_CAP_TGSI_TXQS:
+ case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
return 0;
}
/* should only get here on unhandled cases */
diff --git a/src/gallium/drivers/nouveau/nv30/nv30_screen.c b/src/gallium/drivers/nouveau/nv30/nv30_screen.c
index 806d4e6b04f..39267b354e3 100644
--- a/src/gallium/drivers/nouveau/nv30/nv30_screen.c
+++ b/src/gallium/drivers/nouveau/nv30/nv30_screen.c
@@ -170,6 +170,7 @@ nv30_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
case PIPE_CAP_TGSI_TXQS:
+ case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
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 c3bbc833f5b..6012ff6fcb7 100644
--- a/src/gallium/drivers/nouveau/nv50/nv50_screen.c
+++ b/src/gallium/drivers/nouveau/nv50/nv50_screen.c
@@ -215,6 +215,7 @@ nv50_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
+ case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
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 1909b914d02..32da76c88f6 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
@@ -201,6 +201,7 @@ nvc0_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
case PIPE_CAP_VERTEXID_NOBASE:
case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
+ case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
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 e669ba2edde..1165ac8a9c0 100644
--- a/src/gallium/drivers/r300/r300_screen.c
+++ b/src/gallium/drivers/r300/r300_screen.c
@@ -196,6 +196,7 @@ static int r300_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
case PIPE_CAP_DEPTH_BOUNDS_TEST:
case PIPE_CAP_TGSI_TXQS:
+ case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
return 0;
/* SWTCL-only features. */
diff --git a/src/gallium/drivers/r600/r600_pipe.c b/src/gallium/drivers/r600/r600_pipe.c
index 36d7e68a8f2..efb4889e562 100644
--- a/src/gallium/drivers/r600/r600_pipe.c
+++ b/src/gallium/drivers/r600/r600_pipe.c
@@ -342,6 +342,7 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
case PIPE_CAP_VERTEXID_NOBASE:
case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
case PIPE_CAP_DEPTH_BOUNDS_TEST:
+ case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
return 0;
/* Stream output. */
diff --git a/src/gallium/drivers/radeonsi/si_pipe.c b/src/gallium/drivers/radeonsi/si_pipe.c
index cdd33aa0831..a784db624e3 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.c
+++ b/src/gallium/drivers/radeonsi/si_pipe.c
@@ -336,6 +336,7 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
case PIPE_CAP_SAMPLER_VIEW_TARGET:
case PIPE_CAP_VERTEXID_NOBASE:
+ case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
return 0;
case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
diff --git a/src/gallium/drivers/softpipe/sp_screen.c b/src/gallium/drivers/softpipe/sp_screen.c
index d8606f3c07e..d468cf4de54 100644
--- a/src/gallium/drivers/softpipe/sp_screen.c
+++ b/src/gallium/drivers/softpipe/sp_screen.c
@@ -247,6 +247,7 @@ softpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
case PIPE_CAP_DEPTH_BOUNDS_TEST:
case PIPE_CAP_TGSI_TXQS:
+ case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
return 0;
}
/* should only get here on unhandled cases */
diff --git a/src/gallium/drivers/svga/svga_screen.c b/src/gallium/drivers/svga/svga_screen.c
index 44b6f4a4260..e0a28788238 100644
--- a/src/gallium/drivers/svga/svga_screen.c
+++ b/src/gallium/drivers/svga/svga_screen.c
@@ -380,6 +380,7 @@ svga_get_param(struct pipe_screen *screen, enum pipe_cap param)
case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
case PIPE_CAP_DEPTH_BOUNDS_TEST:
case PIPE_CAP_TGSI_TXQS:
+ case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
return 0;
}
diff --git a/src/gallium/drivers/vc4/vc4_screen.c b/src/gallium/drivers/vc4/vc4_screen.c
index c4b52e1e61d..739ac86193a 100644
--- a/src/gallium/drivers/vc4/vc4_screen.c
+++ b/src/gallium/drivers/vc4/vc4_screen.c
@@ -181,6 +181,7 @@ vc4_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
case PIPE_CAP_DEPTH_BOUNDS_TEST:
case PIPE_CAP_TGSI_TXQS:
+ case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
return 0;
/* Stream output. */
diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h
index 47fa82a1e20..a4947154f17 100644
--- a/src/gallium/include/pipe/p_defines.h
+++ b/src/gallium/include/pipe/p_defines.h
@@ -631,6 +631,7 @@ enum pipe_cap
PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR,
PIPE_CAP_DEPTH_BOUNDS_TEST,
PIPE_CAP_TGSI_TXQS,
+ PIPE_CAP_FORCE_PERSAMPLE_INTERP,
};
#define PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_NV50 (1 << 0)
diff --git a/src/gallium/include/pipe/p_state.h b/src/gallium/include/pipe/p_state.h
index 266ebbafe36..4bf8d46c686 100644
--- a/src/gallium/include/pipe/p_state.h
+++ b/src/gallium/include/pipe/p_state.h
@@ -103,6 +103,7 @@ struct pipe_rasterizer_state
unsigned point_tri_clip:1; /** large points clipped as tris or points */
unsigned point_size_per_vertex:1; /**< size computed in vertex shader */
unsigned multisample:1; /* XXX maybe more ms state in future */
+ unsigned force_persample_interp:1;
unsigned line_smooth:1;
unsigned line_stipple_enable:1;
unsigned line_last_pixel:1;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-11 08:24:41 +0000