Mesa (master): gallium: add support for AMD_vertex_shader_layer
Marek Olšák
mareko at kemper.freedesktop.org
Tue Dec 3 18:40:56 UTC 2013
Module: Mesa
Branch: master
Commit: 1a02bb71ddbf7312a84ac1693f562cca191a7d42
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=1a02bb71ddbf7312a84ac1693f562cca191a7d42
Author: Marek Olšák <marek.olsak at amd.com>
Date: Thu Nov 21 15:25:55 2013 +0100
gallium: add support for AMD_vertex_shader_layer
---
src/gallium/docs/source/screen.rst | 2 ++
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 | 2 ++
src/gallium/drivers/nouveau/nvc0/nvc0_screen.c | 2 ++
src/gallium/drivers/r300/r300_screen.c | 1 +
src/gallium/drivers/r600/r600_pipe.c | 1 +
src/gallium/drivers/radeonsi/radeonsi_pipe.c | 1 +
src/gallium/drivers/softpipe/sp_screen.c | 2 ++
src/gallium/drivers/svga/svga_screen.c | 1 +
src/gallium/include/pipe/p_defines.h | 3 ++-
src/mesa/state_tracker/st_extensions.c | 7 +++++++
src/mesa/state_tracker/st_program.c | 4 ++++
16 files changed, 32 insertions(+), 1 deletions(-)
diff --git a/src/gallium/docs/source/screen.rst b/src/gallium/docs/source/screen.rst
index 035309d..ce96f688 100644
--- a/src/gallium/docs/source/screen.rst
+++ b/src/gallium/docs/source/screen.rst
@@ -176,6 +176,8 @@ The integer capabilities:
* ``PIPE_CAP_MIXED_FRAMEBUFFER_SIZES``: Whether it is allowed to have
different sizes for fb color/zs attachments. This controls whether
ARB_framebuffer_object is provided.
+* ``PIPE_CAP_TGSI_VS_LAYER``: Whether TGSI_SEMANTIC_LAYER is supported
+ as a vertex shader output.
.. _pipe_capf:
diff --git a/src/gallium/drivers/freedreno/freedreno_screen.c b/src/gallium/drivers/freedreno/freedreno_screen.c
index 5dafa92..4031f55 100644
--- a/src/gallium/drivers/freedreno/freedreno_screen.c
+++ b/src/gallium/drivers/freedreno/freedreno_screen.c
@@ -197,6 +197,7 @@ fd_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
case PIPE_CAP_USER_INDEX_BUFFERS:
case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
+ case PIPE_CAP_TGSI_VS_LAYER:
return 0;
/* Stream output. */
diff --git a/src/gallium/drivers/i915/i915_screen.c b/src/gallium/drivers/i915/i915_screen.c
index 5e1e18d..abb9796 100644
--- a/src/gallium/drivers/i915/i915_screen.c
+++ b/src/gallium/drivers/i915/i915_screen.c
@@ -222,6 +222,7 @@ i915_get_param(struct pipe_screen *screen, enum pipe_cap cap)
case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
+ case PIPE_CAP_TGSI_VS_LAYER:
return 0;
case PIPE_CAP_GLSL_FEATURE_LEVEL:
diff --git a/src/gallium/drivers/ilo/ilo_screen.c b/src/gallium/drivers/ilo/ilo_screen.c
index d6e3f94..a76966f 100644
--- a/src/gallium/drivers/ilo/ilo_screen.c
+++ b/src/gallium/drivers/ilo/ilo_screen.c
@@ -431,6 +431,8 @@ ilo_get_param(struct pipe_screen *screen, enum pipe_cap param)
return PIPE_ENDIAN_LITTLE;
case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
return true;
+ case PIPE_CAP_TGSI_VS_LAYER:
+ return 0;
default:
return 0;
diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c b/src/gallium/drivers/llvmpipe/lp_screen.c
index 81ebc69..742e7f2 100644
--- a/src/gallium/drivers/llvmpipe/lp_screen.c
+++ b/src/gallium/drivers/llvmpipe/lp_screen.c
@@ -234,6 +234,8 @@ llvmpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
return PIPE_MAX_VIEWPORTS;
case PIPE_CAP_ENDIANNESS:
return PIPE_ENDIAN_NATIVE;
+ case PIPE_CAP_TGSI_VS_LAYER:
+ 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 26ff681..2610330 100644
--- a/src/gallium/drivers/nouveau/nv30/nv30_screen.c
+++ b/src/gallium/drivers/nouveau/nv30/nv30_screen.c
@@ -126,6 +126,7 @@ nv30_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
+ case PIPE_CAP_TGSI_VS_LAYER:
return 0;
case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
diff --git a/src/gallium/drivers/nouveau/nv50/nv50_screen.c b/src/gallium/drivers/nouveau/nv50/nv50_screen.c
index f7dfc98..d8169f4 100644
--- a/src/gallium/drivers/nouveau/nv50/nv50_screen.c
+++ b/src/gallium/drivers/nouveau/nv50/nv50_screen.c
@@ -194,6 +194,8 @@ nv50_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
return PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_NV50;
case PIPE_CAP_ENDIANNESS:
return PIPE_ENDIAN_LITTLE;
+ case PIPE_CAP_TGSI_VS_LAYER:
+ return 0;
default:
NOUVEAU_ERR("unknown PIPE_CAP %d\n", param);
return 0;
diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
index cc5814e..62ab2a2 100644
--- a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
+++ b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
@@ -172,6 +172,8 @@ nvc0_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param)
return PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_NV50;
case PIPE_CAP_ENDIANNESS:
return PIPE_ENDIAN_LITTLE;
+ case PIPE_CAP_TGSI_VS_LAYER:
+ return 0;
default:
NOUVEAU_ERR("unknown PIPE_CAP %d\n", param);
return 0;
diff --git a/src/gallium/drivers/r300/r300_screen.c b/src/gallium/drivers/r300/r300_screen.c
index c21ee68..7eca5e1 100644
--- a/src/gallium/drivers/r300/r300_screen.c
+++ b/src/gallium/drivers/r300/r300_screen.c
@@ -164,6 +164,7 @@ static int r300_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
+ case PIPE_CAP_TGSI_VS_LAYER:
return 0;
/* SWTCL-only features. */
diff --git a/src/gallium/drivers/r600/r600_pipe.c b/src/gallium/drivers/r600/r600_pipe.c
index 5e1d262..f381e30 100644
--- a/src/gallium/drivers/r600/r600_pipe.c
+++ b/src/gallium/drivers/r600/r600_pipe.c
@@ -464,6 +464,7 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
case PIPE_CAP_VERTEX_COLOR_CLAMPED:
case PIPE_CAP_USER_VERTEX_BUFFERS:
+ case PIPE_CAP_TGSI_VS_LAYER:
return 0;
/* Stream output. */
diff --git a/src/gallium/drivers/radeonsi/radeonsi_pipe.c b/src/gallium/drivers/radeonsi/radeonsi_pipe.c
index 1ff8c14..0242a03 100644
--- a/src/gallium/drivers/radeonsi/radeonsi_pipe.c
+++ b/src/gallium/drivers/radeonsi/radeonsi_pipe.c
@@ -330,6 +330,7 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
case PIPE_CAP_TGSI_INSTANCEID:
case PIPE_CAP_COMPUTE:
case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
+ case PIPE_CAP_TGSI_VS_LAYER:
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 0ec0aad..0c8c94d 100644
--- a/src/gallium/drivers/softpipe/sp_screen.c
+++ b/src/gallium/drivers/softpipe/sp_screen.c
@@ -186,6 +186,8 @@ softpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
return 1;
case PIPE_CAP_ENDIANNESS:
return PIPE_ENDIAN_NATIVE;
+ case PIPE_CAP_TGSI_VS_LAYER:
+ 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 977dec5..6c25338 100644
--- a/src/gallium/drivers/svga/svga_screen.c
+++ b/src/gallium/drivers/svga/svga_screen.c
@@ -267,6 +267,7 @@ svga_get_param(struct pipe_screen *screen, enum pipe_cap param)
case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
+ case PIPE_CAP_TGSI_VS_LAYER:
return 0;
case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
return 1;
diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h
index 7e71e77..06a9edd 100644
--- a/src/gallium/include/pipe/p_defines.h
+++ b/src/gallium/include/pipe/p_defines.h
@@ -513,7 +513,8 @@ enum pipe_cap {
PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE = 83,
PIPE_CAP_MAX_VIEWPORTS = 84,
PIPE_CAP_ENDIANNESS = 85,
- PIPE_CAP_MIXED_FRAMEBUFFER_SIZES = 86
+ PIPE_CAP_MIXED_FRAMEBUFFER_SIZES = 86,
+ PIPE_CAP_TGSI_VS_LAYER = 87
};
#define PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_NV50 (1 << 0)
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index cd10a0c..f3798cf 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -605,6 +605,13 @@ void st_init_extensions(struct st_context *st)
ctx->Const.ForceGLSLVersion = st->options.force_glsl_version;
}
+ /* This extension needs full OpenGL 3.2, but we don't know if that's
+ * supported at this point. Only check the GLSL version. */
+ if (ctx->Const.GLSLVersion >= 150 &&
+ screen->get_param(screen, PIPE_CAP_TGSI_VS_LAYER)) {
+ ctx->Extensions.AMD_vertex_shader_layer = GL_TRUE;
+ }
+
if (ctx->Const.GLSLVersion >= 130) {
ctx->Const.NativeIntegers = GL_TRUE;
ctx->Const.MaxClipPlanes = 8;
diff --git a/src/mesa/state_tracker/st_program.c b/src/mesa/state_tracker/st_program.c
index f010e18..e7c357c 100644
--- a/src/mesa/state_tracker/st_program.c
+++ b/src/mesa/state_tracker/st_program.c
@@ -258,6 +258,10 @@ st_prepare_vertex_program(struct gl_context *ctx,
stvp->output_semantic_name[slot] = TGSI_SEMANTIC_CLIPVERTEX;
stvp->output_semantic_index[slot] = 0;
break;
+ case VARYING_SLOT_LAYER:
+ stvp->output_semantic_name[slot] = TGSI_SEMANTIC_LAYER;
+ stvp->output_semantic_index[slot] = 0;
+ break;
case VARYING_SLOT_TEX0:
case VARYING_SLOT_TEX1:
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