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authorJosé Fonseca <jfonseca@vmware.com>2010-05-12 14:10:10 +0100
committerJosé Fonseca <jfonseca@vmware.com>2010-05-12 14:11:28 +0100
commit7b5931b313b8a38fd564435e69e644320fb3de5e (patch)
tree16549ecdbef9aab34daaaf93f66353188037bde3 /src
parent6ac93e469a7ffa2ddc23de029221d536f45b7143 (diff)
softpipe: Adverstise (tgsi_exec's) shader limits.
Diffstat (limited to 'src')
-rw-r--r--src/gallium/auxiliary/tgsi/tgsi_exec.h9
-rw-r--r--src/gallium/drivers/softpipe/sp_screen.c31
2 files changed, 36 insertions, 4 deletions
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.h b/src/gallium/auxiliary/tgsi/tgsi_exec.h
index 83fc88eaf0..3caf820af6 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.h
@@ -174,10 +174,11 @@ struct tgsi_sampler
-#define TGSI_EXEC_MAX_COND_NESTING 32
-#define TGSI_EXEC_MAX_LOOP_NESTING 32
-#define TGSI_EXEC_MAX_SWITCH_NESTING 32
-#define TGSI_EXEC_MAX_CALL_NESTING 32
+#define TGSI_EXEC_MAX_NESTING 32
+#define TGSI_EXEC_MAX_COND_NESTING TGSI_EXEC_MAX_NESTING
+#define TGSI_EXEC_MAX_LOOP_NESTING TGSI_EXEC_MAX_NESTING
+#define TGSI_EXEC_MAX_SWITCH_NESTING TGSI_EXEC_MAX_NESTING
+#define TGSI_EXEC_MAX_CALL_NESTING TGSI_EXEC_MAX_NESTING
/* The maximum number of input attributes per vertex. For 2D
* input register files, this is the stride between two 1D
diff --git a/src/gallium/drivers/softpipe/sp_screen.c b/src/gallium/drivers/softpipe/sp_screen.c
index 88e5c11801..f874c3e60c 100644
--- a/src/gallium/drivers/softpipe/sp_screen.c
+++ b/src/gallium/drivers/softpipe/sp_screen.c
@@ -33,6 +33,7 @@
#include "pipe/p_screen.h"
#include "state_tracker/sw_winsys.h"
+#include "tgsi/tgsi_exec.h"
#include "sp_texture.h"
#include "sp_screen.h"
@@ -110,6 +111,36 @@ softpipe_get_param(struct pipe_screen *screen, enum pipe_cap param)
case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
return 1;
+
+ case PIPE_CAP_MAX_VS_INSTRUCTIONS:
+ case PIPE_CAP_MAX_FS_INSTRUCTIONS:
+ case PIPE_CAP_MAX_VS_ALU_INSTRUCTIONS:
+ case PIPE_CAP_MAX_FS_ALU_INSTRUCTIONS:
+ case PIPE_CAP_MAX_VS_TEX_INSTRUCTIONS:
+ case PIPE_CAP_MAX_FS_TEX_INSTRUCTIONS:
+ case PIPE_CAP_MAX_VS_TEX_INDIRECTIONS:
+ case PIPE_CAP_MAX_FS_TEX_INDIRECTIONS:
+ /* There is no limit in number of instructions beyond available memory */
+ return 32768;
+ case PIPE_CAP_MAX_VS_CONTROL_FLOW_DEPTH:
+ case PIPE_CAP_MAX_FS_CONTROL_FLOW_DEPTH:
+ return TGSI_EXEC_MAX_NESTING;
+ case PIPE_CAP_MAX_VS_INPUTS:
+ case PIPE_CAP_MAX_FS_INPUTS:
+ return TGSI_EXEC_MAX_INPUT_ATTRIBS;
+ case PIPE_CAP_MAX_FS_CONSTS:
+ case PIPE_CAP_MAX_VS_CONSTS:
+ return TGSI_EXEC_MAX_CONST_BUFFER;
+ case PIPE_CAP_MAX_VS_TEMPS:
+ case PIPE_CAP_MAX_FS_TEMPS:
+ return TGSI_EXEC_NUM_TEMPS;
+ case PIPE_CAP_MAX_VS_ADDRS:
+ case PIPE_CAP_MAX_FS_ADDRS:
+ return TGSI_EXEC_NUM_ADDRS;
+ case PIPE_CAP_MAX_VS_PREDS:
+ case PIPE_CAP_MAX_FS_PREDS:
+ return TGSI_EXEC_NUM_PREDS;
+
default:
return 0;
}