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-rw-r--r--src/gallium/docs/source/screen.rst4
-rw-r--r--src/gallium/drivers/etnaviv/etnaviv_screen.c3
-rw-r--r--src/gallium/drivers/freedreno/freedreno_screen.c3
-rw-r--r--src/gallium/drivers/i915/i915_screen.c2
-rw-r--r--src/gallium/drivers/llvmpipe/lp_screen.c2
-rw-r--r--src/gallium/drivers/nouveau/nv30/nv30_screen.c3
-rw-r--r--src/gallium/drivers/nouveau/nv50/nv50_screen.c2
-rw-r--r--src/gallium/drivers/nouveau/nvc0/nvc0_screen.c19
-rw-r--r--src/gallium/drivers/panfrost/pan_screen.c3
-rw-r--r--src/gallium/drivers/r300/r300_screen.c3
-rw-r--r--src/gallium/drivers/r600/r600_pipe.c3
-rw-r--r--src/gallium/drivers/radeonsi/si_get.c3
-rw-r--r--src/gallium/drivers/softpipe/sp_screen.c2
-rw-r--r--src/gallium/drivers/svga/svga_screen.c2
-rw-r--r--src/gallium/drivers/v3d/v3d_screen.c3
-rw-r--r--src/gallium/drivers/vc4/vc4_screen.c3
-rw-r--r--src/gallium/drivers/virgl/virgl_screen.c4
-rw-r--r--src/gallium/include/pipe/p_defines.h1
-rw-r--r--src/mesa/state_tracker/st_extensions.c5
19 files changed, 54 insertions, 16 deletions
diff --git a/src/gallium/docs/source/screen.rst b/src/gallium/docs/source/screen.rst
index 8bf4a1ab54b..85ca5e1f5ce 100644
--- a/src/gallium/docs/source/screen.rst
+++ b/src/gallium/docs/source/screen.rst
@@ -488,6 +488,10 @@ The integer capabilities:
supports switching the format between sRGB and linear for a surface that is
used as destination in draw and blit calls.
* ``PIPE_CAP_NIR_COMPACT_ARRAYS``: True if the compiler backend supports NIR's compact array feature, for all shader stages.
+* ``PIPE_CAP_MAX_VARYINGS``: The maximum number of fragment shader
+ varyings. This will generally correspond to
+ ``PIPE_SHADER_CAP_MAX_INPUTS`` for the fragment shader, but in some
+ cases may be a smaller number.
.. _pipe_capf:
diff --git a/src/gallium/drivers/etnaviv/etnaviv_screen.c b/src/gallium/drivers/etnaviv/etnaviv_screen.c
index fd320232528..35dcac1409b 100644
--- a/src/gallium/drivers/etnaviv/etnaviv_screen.c
+++ b/src/gallium/drivers/etnaviv/etnaviv_screen.c
@@ -360,6 +360,9 @@ etna_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
return 0;
+ case PIPE_CAP_MAX_VARYINGS:
+ return screen->specs.max_varyings;
+
case PIPE_CAP_PCI_GROUP:
case PIPE_CAP_PCI_BUS:
case PIPE_CAP_PCI_DEVICE:
diff --git a/src/gallium/drivers/freedreno/freedreno_screen.c b/src/gallium/drivers/freedreno/freedreno_screen.c
index e596a4e8462..c3b08ab0e0f 100644
--- a/src/gallium/drivers/freedreno/freedreno_screen.c
+++ b/src/gallium/drivers/freedreno/freedreno_screen.c
@@ -317,6 +317,9 @@ fd_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
case PIPE_CAP_MAX_VIEWPORTS:
return 1;
+ case PIPE_CAP_MAX_VARYINGS:
+ return 16;
+
case PIPE_CAP_SHAREABLE_SHADERS:
case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY:
/* manage the variants for these ourself, to avoid breaking precompile: */
diff --git a/src/gallium/drivers/i915/i915_screen.c b/src/gallium/drivers/i915/i915_screen.c
index a7b4a43c015..78707c66e62 100644
--- a/src/gallium/drivers/i915/i915_screen.c
+++ b/src/gallium/drivers/i915/i915_screen.c
@@ -402,6 +402,8 @@ i915_get_param(struct pipe_screen *screen, enum pipe_cap cap)
return 0;
case PIPE_CAP_ENDIANNESS:
return PIPE_ENDIAN_LITTLE;
+ case PIPE_CAP_MAX_VARYINGS:
+ return 10;
case PIPE_CAP_VENDOR_ID:
return 0x8086;
diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c b/src/gallium/drivers/llvmpipe/lp_screen.c
index c95016a6cbe..b55b4a3c4fe 100644
--- a/src/gallium/drivers/llvmpipe/lp_screen.c
+++ b/src/gallium/drivers/llvmpipe/lp_screen.c
@@ -310,6 +310,8 @@ llvmpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
return 1;
case PIPE_CAP_CLEAR_TEXTURE:
return 1;
+ case PIPE_CAP_MAX_VARYINGS:
+ return 32;
case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
diff --git a/src/gallium/drivers/nouveau/nv30/nv30_screen.c b/src/gallium/drivers/nouveau/nv30/nv30_screen.c
index 2b69a8f6968..53551ebc037 100644
--- a/src/gallium/drivers/nouveau/nv30/nv30_screen.c
+++ b/src/gallium/drivers/nouveau/nv30/nv30_screen.c
@@ -79,6 +79,9 @@ nv30_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
return 2048;
case PIPE_CAP_MAX_TEXTURE_UPLOAD_MEMORY_BUDGET:
return 8 * 1024 * 1024;
+ case PIPE_CAP_MAX_VARYINGS:
+ return 8;
+
/* supported capabilities */
case PIPE_CAP_ANISOTROPIC_FILTER:
case PIPE_CAP_POINT_SPRITE:
diff --git a/src/gallium/drivers/nouveau/nv50/nv50_screen.c b/src/gallium/drivers/nouveau/nv50/nv50_screen.c
index 85cb016e3c2..8e65eaf50b1 100644
--- a/src/gallium/drivers/nouveau/nv50/nv50_screen.c
+++ b/src/gallium/drivers/nouveau/nv50/nv50_screen.c
@@ -156,6 +156,8 @@ nv50_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
return NV50_MAX_WINDOW_RECTANGLES;
case PIPE_CAP_MAX_TEXTURE_UPLOAD_MEMORY_BUDGET:
return 16 * 1024 * 1024;
+ case PIPE_CAP_MAX_VARYINGS:
+ return 15;
/* supported caps */
case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
index 6a79fd9a903..4a289557e3b 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
@@ -182,6 +182,13 @@ nvc0_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
return class_3d >= GM200_3D_CLASS ? 8 : 0;
case PIPE_CAP_MAX_TEXTURE_UPLOAD_MEMORY_BUDGET:
return 64 * 1024 * 1024;
+ case PIPE_CAP_MAX_VARYINGS:
+ /* NOTE: These only count our slots for GENERIC varyings.
+ * The address space may be larger, but the actual hard limit seems to be
+ * less than what the address space layout permits, so don't add TEXCOORD,
+ * COLOR, etc. here.
+ */
+ return 0x1f0 / 16;
/* supported caps */
case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
@@ -394,18 +401,6 @@ nvc0_screen_get_shader_param(struct pipe_screen *pscreen,
case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
return 16;
case PIPE_SHADER_CAP_MAX_INPUTS:
- if (shader == PIPE_SHADER_VERTEX)
- return 32;
- /* NOTE: These only count our slots for GENERIC varyings.
- * The address space may be larger, but the actual hard limit seems to be
- * less than what the address space layout permits, so don't add TEXCOORD,
- * COLOR, etc. here.
- */
- if (shader == PIPE_SHADER_FRAGMENT)
- return 0x1f0 / 16;
- /* Actually this counts CLIPVERTEX, which occupies the last generic slot,
- * and excludes 0x60 per-patch inputs.
- */
return 0x200 / 16;
case PIPE_SHADER_CAP_MAX_OUTPUTS:
return 32;
diff --git a/src/gallium/drivers/panfrost/pan_screen.c b/src/gallium/drivers/panfrost/pan_screen.c
index 5ee3b4c6006..3590b608818 100644
--- a/src/gallium/drivers/panfrost/pan_screen.c
+++ b/src/gallium/drivers/panfrost/pan_screen.c
@@ -250,6 +250,9 @@ panfrost_get_param(struct pipe_screen *screen, enum pipe_cap param)
case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
return 4;
+ case PIPE_CAP_MAX_VARYINGS:
+ return 16;
+
default:
return u_pipe_screen_get_param_defaults(screen, param);
}
diff --git a/src/gallium/drivers/r300/r300_screen.c b/src/gallium/drivers/r300/r300_screen.c
index 19d3a1bae30..be0b475e5ef 100644
--- a/src/gallium/drivers/r300/r300_screen.c
+++ b/src/gallium/drivers/r300/r300_screen.c
@@ -304,6 +304,9 @@ static int r300_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE:
return 2048;
+ case PIPE_CAP_MAX_VARYINGS:
+ return 10;
+
case PIPE_CAP_VENDOR_ID:
return 0x1002;
case PIPE_CAP_DEVICE_ID:
diff --git a/src/gallium/drivers/r600/r600_pipe.c b/src/gallium/drivers/r600/r600_pipe.c
index ade1a94ab32..41a878ab9d2 100644
--- a/src/gallium/drivers/r600/r600_pipe.c
+++ b/src/gallium/drivers/r600/r600_pipe.c
@@ -536,6 +536,9 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
case PIPE_CAP_MAX_TEXEL_OFFSET:
return 7;
+ case PIPE_CAP_MAX_VARYINGS:
+ return 32;
+
case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
return PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_R600;
case PIPE_CAP_ENDIANNESS:
diff --git a/src/gallium/drivers/radeonsi/si_get.c b/src/gallium/drivers/radeonsi/si_get.c
index bb2d8c09eb1..f8ca02d4fcf 100644
--- a/src/gallium/drivers/radeonsi/si_get.c
+++ b/src/gallium/drivers/radeonsi/si_get.c
@@ -254,6 +254,9 @@ static int si_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
return 30;
+ case PIPE_CAP_MAX_VARYINGS:
+ return 32;
+
case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
return sscreen->info.chip_class <= VI ?
PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_R600 : 0;
diff --git a/src/gallium/drivers/softpipe/sp_screen.c b/src/gallium/drivers/softpipe/sp_screen.c
index 44e48cc7ee4..6931b52dc9f 100644
--- a/src/gallium/drivers/softpipe/sp_screen.c
+++ b/src/gallium/drivers/softpipe/sp_screen.c
@@ -265,6 +265,8 @@ softpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
return 1;
case PIPE_CAP_CLEAR_TEXTURE:
return 1;
+ case PIPE_CAP_MAX_VARYINGS:
+ return TGSI_EXEC_MAX_INPUT_ATTRIBS;
case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
diff --git a/src/gallium/drivers/svga/svga_screen.c b/src/gallium/drivers/svga/svga_screen.c
index 95dde8b0897..6cb5a14f5b0 100644
--- a/src/gallium/drivers/svga/svga_screen.c
+++ b/src/gallium/drivers/svga/svga_screen.c
@@ -350,6 +350,8 @@ svga_get_param(struct pipe_screen *screen, enum pipe_cap param)
case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
return sws->have_sm4_1 ? 1 : 0; /* only single-channel textures */
+ case PIPE_CAP_MAX_VARYINGS:
+ return sws->have_vgpu10 ? VGPU10_MAX_FS_INPUTS : 10;
/* Unsupported features */
case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
diff --git a/src/gallium/drivers/v3d/v3d_screen.c b/src/gallium/drivers/v3d/v3d_screen.c
index bed2c63a64d..c539daf02b9 100644
--- a/src/gallium/drivers/v3d/v3d_screen.c
+++ b/src/gallium/drivers/v3d/v3d_screen.c
@@ -177,6 +177,9 @@ v3d_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
return 4;
+ case PIPE_CAP_MAX_VARYINGS:
+ return V3D_MAX_FS_INPUTS / 4;
+
/* Texturing. */
case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
diff --git a/src/gallium/drivers/vc4/vc4_screen.c b/src/gallium/drivers/vc4/vc4_screen.c
index e7f7c82c271..acb4a1feb0d 100644
--- a/src/gallium/drivers/vc4/vc4_screen.c
+++ b/src/gallium/drivers/vc4/vc4_screen.c
@@ -178,6 +178,9 @@ vc4_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
/* Note: Not supported in hardware, just faking it. */
return 5;
+ case PIPE_CAP_MAX_VARYINGS:
+ return 8;
+
case PIPE_CAP_VENDOR_ID:
return 0x14E4;
case PIPE_CAP_ACCELERATED:
diff --git a/src/gallium/drivers/virgl/virgl_screen.c b/src/gallium/drivers/virgl/virgl_screen.c
index 72afd4d95f0..6cc73538a36 100644
--- a/src/gallium/drivers/virgl/virgl_screen.c
+++ b/src/gallium/drivers/virgl/virgl_screen.c
@@ -260,6 +260,10 @@ virgl_get_param(struct pipe_screen *screen, enum pipe_cap param)
return 1; /* TODO: need to introduce a hw-cap for this */
case PIPE_CAP_QUERY_BUFFER_OBJECT:
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_TEXTURE_GATHER_SM5:
case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
case PIPE_CAP_FAKE_SW_MSAA:
diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h
index 8413a8e639c..e2b0104ce43 100644
--- a/src/gallium/include/pipe/p_defines.h
+++ b/src/gallium/include/pipe/p_defines.h
@@ -857,6 +857,7 @@ enum pipe_cap
PIPE_CAP_RGB_OVERRIDE_DST_ALPHA_BLEND,
PIPE_CAP_DEST_SURFACE_SRGB_CONTROL,
PIPE_CAP_NIR_COMPACT_ARRAYS,
+ PIPE_CAP_MAX_VARYINGS,
};
/**
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index c1a528551cd..2dbda83ca10 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -365,10 +365,7 @@ void st_init_limits(struct pipe_screen *screen,
c->Program[MESA_SHADER_VERTEX].MaxAttribs =
MIN2(c->Program[MESA_SHADER_VERTEX].MaxAttribs, 16);
- /* PIPE_SHADER_CAP_MAX_INPUTS for the FS specifies the maximum number
- * of inputs. It's always 2 colors + N generic inputs. */
- c->MaxVarying = screen->get_shader_param(screen, PIPE_SHADER_FRAGMENT,
- PIPE_SHADER_CAP_MAX_INPUTS);
+ c->MaxVarying = screen->get_param(screen, PIPE_CAP_MAX_VARYINGS);
c->MaxVarying = MIN2(c->MaxVarying, MAX_VARYING);
c->MaxGeometryOutputVertices =
screen->get_param(screen, PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-02 20:29:35 +0000