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-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_scan.c6
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_scan.h2
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_strings.c2
-rw-r--r--src/gallium/docs/source/screen.rst8
-rw-r--r--src/gallium/docs/source/tgsi.rst52
-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.c2
-rw-r--r--src/gallium/drivers/llvmpipe/lp_screen.c2
-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/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.c2
-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_shader_tokens.h4
19 files changed, 84 insertions, 6 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_scan.c b/src/gallium/auxiliary/tgsi/tgsi_scan.c
index 649c327d9c9..eb313e430d6 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_scan.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_scan.c
@@ -213,6 +213,12 @@ tgsi_scan_shader(const struct tgsi_token *tokens,
else if (semName == TGSI_SEMANTIC_VERTEXID) {
info->uses_vertexid = TRUE;
}
+ else if (semName == TGSI_SEMANTIC_VERTEXID_NOBASE) {
+ info->uses_vertexid_nobase = TRUE;
+ }
+ else if (semName == TGSI_SEMANTIC_BASEVERTEX) {
+ info->uses_basevertex = TRUE;
+ }
else if (semName == TGSI_SEMANTIC_PRIMID) {
info->uses_primid = TRUE;
}
diff --git a/src/gallium/auxiliary/tgsi/tgsi_scan.h b/src/gallium/auxiliary/tgsi/tgsi_scan.h
index 61ce81342a4..375f75a3b98 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_scan.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_scan.h
@@ -74,6 +74,8 @@ struct tgsi_shader_info
boolean uses_kill; /**< KILL or KILL_IF instruction used? */
boolean uses_instanceid;
boolean uses_vertexid;
+ boolean uses_vertexid_nobase;
+ boolean uses_basevertex;
boolean uses_primid;
boolean uses_frontface;
boolean writes_psize;
diff --git a/src/gallium/auxiliary/tgsi/tgsi_strings.c b/src/gallium/auxiliary/tgsi/tgsi_strings.c
index 01fa5a9f345..bd975448773 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_strings.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_strings.c
@@ -86,6 +86,8 @@ const char *tgsi_semantic_names[TGSI_SEMANTIC_COUNT] =
"SAMPLEPOS",
"SAMPLEMASK",
"INVOCATIONID",
+ "VERTEXID_NOBASE",
+ "BASEVERTEX",
};
const char *tgsi_texture_names[TGSI_TEXTURE_COUNT] =
diff --git a/src/gallium/docs/source/screen.rst b/src/gallium/docs/source/screen.rst
index e711ad40bef..55d114c829f 100644
--- a/src/gallium/docs/source/screen.rst
+++ b/src/gallium/docs/source/screen.rst
@@ -233,6 +233,14 @@ The integer capabilities:
* ``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_CAP_VERTEXID_NOBASE``: If true, the driver only supports
+ TGSI_SEMANTIC_VERTEXID_NOBASE (and not TGSI_SEMANTIC_VERTEXID). This means
+ state trackers for APIs whose vertexIDs are offset by basevertex (such as GL)
+ will need to lower TGSI_SEMANTIC_VERTEXID to TGSI_SEMANTIC_VERTEXID_NOBASE
+ and TGSI_SEMANTIC_BASEVERTEX, so drivers setting this must handle both these
+ semantics. Only relevant if geometry shaders are supported.
+ (Currently not possible to query availability of these two semantics outside
+ this, at least BASEVERTEX should be exposed separately too).
.. _pipe_capf:
diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst
index cbb8f74ab89..ff322e864ec 100644
--- a/src/gallium/docs/source/tgsi.rst
+++ b/src/gallium/docs/source/tgsi.rst
@@ -2651,7 +2651,7 @@ TGSI_SEMANTIC_VIEWPORT_INDEX
For geometry shaders, this semantic label indicates that an output
contains the index of the viewport (and scissor) to use.
-Only the X value is used.
+This is an integer value, and only the X component is used.
TGSI_SEMANTIC_LAYER
@@ -2659,7 +2659,8 @@ TGSI_SEMANTIC_LAYER
For geometry shaders, this semantic label indicates that an output
contains the layer value to use for the color and depth/stencil surfaces.
-Only the X value is used. (Also known as rendertarget array index.)
+This is an integer value, and only the X component is used.
+(Also known as rendertarget array index.)
TGSI_SEMANTIC_CULLDIST
@@ -2700,7 +2701,8 @@ TGSI_SEMANTIC_SAMPLEID
""""""""""""""""""""""
For fragment shaders, this semantic label indicates that a system value
-contains the current sample id (i.e. gl_SampleID). Only the X value is used.
+contains the current sample id (i.e. gl_SampleID).
+This is an integer value, and only the X component is used.
TGSI_SEMANTIC_SAMPLEPOS
"""""""""""""""""""""""
@@ -2720,8 +2722,48 @@ TGSI_SEMANTIC_INVOCATIONID
""""""""""""""""""""""""""
For geometry shaders, this semantic label indicates that a system value
-contains the current invocation id (i.e. gl_InvocationID). Only the X value is
-used.
+contains the current invocation id (i.e. gl_InvocationID).
+This is an integer value, and only the X component is used.
+
+TGSI_SEMANTIC_INSTANCEID
+""""""""""""""""""""""""
+
+For vertex shaders, this semantic label indicates that a system value contains
+the current instance id (i.e. gl_InstanceID). It does not include the base
+instance. This is an integer value, and only the X component is used.
+
+TGSI_SEMANTIC_VERTEXID
+""""""""""""""""""""""
+
+For vertex shaders, this semantic label indicates that a system value contains
+the current vertex id (i.e. gl_VertexID). It does (unlike in d3d10) include the
+base vertex. This is an integer value, and only the X component is used.
+
+TGSI_SEMANTIC_VERTEXID_NOBASE
+"""""""""""""""""""""""""""""""
+
+For vertex shaders, this semantic label indicates that a system value contains
+the current vertex id without including the base vertex (this corresponds to
+d3d10 vertex id, so TGSI_SEMANTIC_VERTEXID_NOBASE + TGSI_SEMANTIC_BASEVERTEX
+== TGSI_SEMANTIC_VERTEXID). This is an integer value, and only the X component
+is used.
+
+TGSI_SEMANTIC_BASEVERTEX
+""""""""""""""""""""""""
+
+For vertex shaders, this semantic label indicates that a system value contains
+the base vertex (i.e. gl_BaseVertex). Note that for non-indexed draw calls,
+this contains the first (or start) value instead.
+This is an integer value, and only the X component is used.
+
+TGSI_SEMANTIC_PRIMID
+""""""""""""""""""""
+
+For geometry and fragment shaders, this semantic label indicates the value
+contains the primitive id (i.e. gl_PrimitiveID). This is an integer value,
+and only the X component is used.
+FIXME: This right now can be either a ordinary input or a system value...
+
Declaration Interpolate
^^^^^^^^^^^^^^^^^^^^^^^
diff --git a/src/gallium/drivers/freedreno/freedreno_screen.c b/src/gallium/drivers/freedreno/freedreno_screen.c
index 19379a8b024..084a0ec4e2a 100644
--- a/src/gallium/drivers/freedreno/freedreno_screen.c
+++ b/src/gallium/drivers/freedreno/freedreno_screen.c
@@ -228,6 +228,7 @@ fd_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
case PIPE_CAP_SAMPLER_VIEW_TARGET:
case PIPE_CAP_CLIP_HALFZ:
+ case PIPE_CAP_VERTEXID_NOBASE:
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 1c604998ce9..1277de313be 100644
--- a/src/gallium/drivers/i915/i915_screen.c
+++ b/src/gallium/drivers/i915/i915_screen.c
@@ -226,6 +226,7 @@ i915_get_param(struct pipe_screen *screen, enum pipe_cap cap)
case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
case PIPE_CAP_CLIP_HALFZ:
+ case PIPE_CAP_VERTEXID_NOBASE:
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 06aa9739814..0c948f4dcd3 100644
--- a/src/gallium/drivers/ilo/ilo_screen.c
+++ b/src/gallium/drivers/ilo/ilo_screen.c
@@ -495,6 +495,8 @@ ilo_get_param(struct pipe_screen *screen, enum pipe_cap param)
return true;
case PIPE_CAP_CLIP_HALFZ:
return true;
+ case PIPE_CAP_VERTEXID_NOBASE:
+ return false;
default:
return 0;
diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c b/src/gallium/drivers/llvmpipe/lp_screen.c
index 6af43ccf581..0e4456adc70 100644
--- a/src/gallium/drivers/llvmpipe/lp_screen.c
+++ b/src/gallium/drivers/llvmpipe/lp_screen.c
@@ -282,6 +282,8 @@ llvmpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
return 0;
case PIPE_CAP_CLIP_HALFZ:
return 1;
+ case PIPE_CAP_VERTEXID_NOBASE:
+ return 0;
}
/* 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 2b65f8cdaa0..46c21a1cfe1 100644
--- a/src/gallium/drivers/nouveau/nv30/nv30_screen.c
+++ b/src/gallium/drivers/nouveau/nv30/nv30_screen.c
@@ -157,6 +157,7 @@ nv30_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
case PIPE_CAP_SAMPLER_VIEW_TARGET:
case PIPE_CAP_CLIP_HALFZ:
+ case PIPE_CAP_VERTEXID_NOBASE:
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 fcf00982cb8..5c1a21d2731 100644
--- a/src/gallium/drivers/nouveau/nv50/nv50_screen.c
+++ b/src/gallium/drivers/nouveau/nv50/nv50_screen.c
@@ -205,6 +205,7 @@ nv50_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
case PIPE_CAP_COMPUTE:
case PIPE_CAP_DRAW_INDIRECT:
+ case PIPE_CAP_VERTEXID_NOBASE:
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 e653eab184e..f82010d7667 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_VERTEXID_NOBASE:
return 0;
/* SWTCL-only features. */
diff --git a/src/gallium/drivers/r600/r600_pipe.c b/src/gallium/drivers/r600/r600_pipe.c
index 0b571e45e9b..b6f785976ce 100644
--- a/src/gallium/drivers/r600/r600_pipe.c
+++ b/src/gallium/drivers/r600/r600_pipe.c
@@ -325,6 +325,7 @@ 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_VERTEXID_NOBASE:
return 0;
/* Stream output. */
diff --git a/src/gallium/drivers/radeonsi/si_pipe.c b/src/gallium/drivers/radeonsi/si_pipe.c
index 8fc5c19dfd7..afb6364a776 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.c
+++ b/src/gallium/drivers/radeonsi/si_pipe.c
@@ -253,6 +253,7 @@ 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_VERTEXID_NOBASE:
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 57cd9b632df..8efc88fc2b7 100644
--- a/src/gallium/drivers/softpipe/sp_screen.c
+++ b/src/gallium/drivers/softpipe/sp_screen.c
@@ -231,6 +231,8 @@ softpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
return 1;
case PIPE_CAP_CLIP_HALFZ:
return 1;
+ case PIPE_CAP_VERTEXID_NOBASE:
+ return 0;
}
/* 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 691d9df63c6..32578c849e2 100644
--- a/src/gallium/drivers/svga/svga_screen.c
+++ b/src/gallium/drivers/svga/svga_screen.c
@@ -282,6 +282,7 @@ svga_get_param(struct pipe_screen *screen, enum pipe_cap param)
case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
case PIPE_CAP_SAMPLER_VIEW_TARGET:
case PIPE_CAP_CLIP_HALFZ:
+ case PIPE_CAP_VERTEXID_NOBASE:
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 3d5370b4764..f42e0228aab 100644
--- a/src/gallium/drivers/vc4/vc4_screen.c
+++ b/src/gallium/drivers/vc4/vc4_screen.c
@@ -168,6 +168,7 @@ vc4_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
case PIPE_CAP_SAMPLER_VIEW_TARGET:
case PIPE_CAP_CLIP_HALFZ:
+ case PIPE_CAP_VERTEXID_NOBASE:
return 0;
/* Stream output. */
diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h
index 8c4e415607a..6c5703ad46f 100644
--- a/src/gallium/include/pipe/p_defines.h
+++ b/src/gallium/include/pipe/p_defines.h
@@ -572,6 +572,7 @@ enum pipe_cap {
PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE = 109,
PIPE_CAP_SAMPLER_VIEW_TARGET = 110,
PIPE_CAP_CLIP_HALFZ = 111,
+ PIPE_CAP_VERTEXID_NOBASE,
};
#define PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_NV50 (1 << 0)
diff --git a/src/gallium/include/pipe/p_shader_tokens.h b/src/gallium/include/pipe/p_shader_tokens.h
index 98f0670f592..442b67b79c9 100644
--- a/src/gallium/include/pipe/p_shader_tokens.h
+++ b/src/gallium/include/pipe/p_shader_tokens.h
@@ -176,7 +176,9 @@ struct tgsi_declaration_interp
#define TGSI_SEMANTIC_SAMPLEPOS 25
#define TGSI_SEMANTIC_SAMPLEMASK 26
#define TGSI_SEMANTIC_INVOCATIONID 27
-#define TGSI_SEMANTIC_COUNT 28 /**< number of semantic values */
+#define TGSI_SEMANTIC_VERTEXID_NOBASE 28
+#define TGSI_SEMANTIC_BASEVERTEX 29
+#define TGSI_SEMANTIC_COUNT 30 /**< number of semantic values */
struct tgsi_declaration_semantic
{
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-02 16:43:03 +0000