Mesa (master): svga: Advertise shader limits.
Jose Fonseca
jrfonseca at kemper.freedesktop.org
Wed May 12 13:18:35 UTC 2010
Module: Mesa
Branch: master
Commit: 686215d9e5c87ace953b11559ec8ca24f5a3b4e4
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=686215d9e5c87ace953b11559ec8ca24f5a3b4e4
Author: José Fonseca <jfonseca at vmware.com>
Date: Wed May 12 14:10:50 2010 +0100
svga: Advertise shader limits.
---
src/gallium/drivers/svga/svga_screen.c | 51 ++++++++++++++++++++++++++++++++
1 files changed, 51 insertions(+), 0 deletions(-)
diff --git a/src/gallium/drivers/svga/svga_screen.c b/src/gallium/drivers/svga/svga_screen.c
index 580340b..2c3c3f5 100644
--- a/src/gallium/drivers/svga/svga_screen.c
+++ b/src/gallium/drivers/svga/svga_screen.c
@@ -177,6 +177,57 @@ svga_get_paramf(struct pipe_screen *screen, enum pipe_cap param)
case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
return 0;
+ /*
+ * Fragment shader limits
+ */
+
+ case PIPE_CAP_MAX_FS_INSTRUCTIONS:
+ case PIPE_CAP_MAX_FS_ALU_INSTRUCTIONS:
+ case PIPE_CAP_MAX_FS_TEX_INSTRUCTIONS:
+ case PIPE_CAP_MAX_FS_TEX_INDIRECTIONS:
+ return svgascreen->use_ps30 ? 512 : 96;
+ case PIPE_CAP_MAX_FS_CONTROL_FLOW_DEPTH:
+ return SVGA3D_MAX_NESTING_LEVEL;
+ case PIPE_CAP_MAX_FS_INPUTS:
+ return 10;
+ case PIPE_CAP_MAX_FS_CONSTS:
+ return svgascreen->use_vs30 ? 224 : 16;
+ case PIPE_CAP_MAX_FS_TEMPS:
+ if (!sws->get_cap(sws, SVGA3D_DEVCAP_MAX_FRAGMENT_SHADER_TEMPS, &result))
+ return svgascreen->use_ps30 ? 32 : 12;
+ return result.u;
+ case PIPE_CAP_MAX_FS_ADDRS:
+ return svgascreen->use_ps30 ? 1 : 0;
+ case PIPE_CAP_MAX_FS_PREDS:
+ return svgascreen->use_ps30 ? 1 : 0;
+
+ /*
+ * Vertex shader limits
+ */
+ case PIPE_CAP_MAX_VS_INSTRUCTIONS:
+ case PIPE_CAP_MAX_VS_ALU_INSTRUCTIONS:
+ if (!sws->get_cap(sws, SVGA3D_DEVCAP_MAX_VERTEX_SHADER_INSTRUCTIONS, &result))
+ return svgascreen->use_vs30 ? 512 : 256;
+ return result.u;
+ case PIPE_CAP_MAX_VS_TEX_INSTRUCTIONS:
+ case PIPE_CAP_MAX_VS_TEX_INDIRECTIONS:
+ /* XXX: until we have vertex texture support */
+ return 0;
+ case PIPE_CAP_MAX_VS_CONTROL_FLOW_DEPTH:
+ return SVGA3D_MAX_NESTING_LEVEL;
+ case PIPE_CAP_MAX_VS_INPUTS:
+ return 16;
+ case PIPE_CAP_MAX_VS_CONSTS:
+ return 256;
+ case PIPE_CAP_MAX_VS_TEMPS:
+ if (!sws->get_cap(sws, SVGA3D_DEVCAP_MAX_VERTEX_SHADER_TEMPS, &result))
+ return svgascreen->use_vs30 ? 32 : 12;
+ return result.u;
+ case PIPE_CAP_MAX_VS_ADDRS:
+ return svgascreen->use_vs30 ? 1 : 0;
+ case PIPE_CAP_MAX_VS_PREDS:
+ return svgascreen->use_vs30 ? 1 : 0;
+
default:
return 0;
}
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