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authorKenneth Graunke <[email protected]>2015-12-18 03:13:07 -0800
committerKenneth Graunke <[email protected]>2015-12-22 17:22:05 -0800
commit239a4bdcd44529e9495d9e68cf5a157421753b3c (patch)
tree79f5aae8e3977eb2b7f8664463599a1df85fb552 /src/mesa/drivers
parent0d5cb4aef45e97b35a45925d7e9e7c6ca45c1675 (diff)
i965: Upload HS push constants whenever default tess. levels change.
When using tessellation on OpenGL without a TCS, default values for gl_TessLevelOuter/gl_TessLevelInner are provided via the API. Core Mesa will flag ctx->DriverFlags.NewDefaultTessLevels whenever those values change. We add a corresponding BRW_NEW_DEFAULT_TESS_LEVELS flag and hook it up to HS push constants (which will be used to upload these default values to the autogenerated TCS). Signed-off-by: Kenneth Graunke <[email protected]> Reviewed-by: Jordan Justen <[email protected]>
Diffstat (limited to 'src/mesa/drivers')
-rw-r--r--src/mesa/drivers/dri/i965/brw_context.h2
-rw-r--r--src/mesa/drivers/dri/i965/brw_state_upload.c2
-rw-r--r--src/mesa/drivers/dri/i965/gen7_hs_state.c1
3 files changed, 5 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_context.h b/src/mesa/drivers/dri/i965/brw_context.h
index d249beaaae1..0239b6214ae 100644
--- a/src/mesa/drivers/dri/i965/brw_context.h
+++ b/src/mesa/drivers/dri/i965/brw_context.h
@@ -191,6 +191,7 @@ enum brw_state_id {
BRW_STATE_BINDING_TABLE_POINTERS,
BRW_STATE_INDICES,
BRW_STATE_VERTICES,
+ BRW_STATE_DEFAULT_TESS_LEVELS,
BRW_STATE_BATCH,
BRW_STATE_INDEX_BUFFER,
BRW_STATE_VS_CONSTBUF,
@@ -273,6 +274,7 @@ enum brw_state_id {
#define BRW_NEW_BINDING_TABLE_POINTERS (1ull << BRW_STATE_BINDING_TABLE_POINTERS)
#define BRW_NEW_INDICES (1ull << BRW_STATE_INDICES)
#define BRW_NEW_VERTICES (1ull << BRW_STATE_VERTICES)
+#define BRW_NEW_DEFAULT_TESS_LEVELS (1ull << BRW_STATE_DEFAULT_TESS_LEVELS)
/**
* Used for any batch entry with a relocated pointer that will be used
* by any 3D rendering.
diff --git a/src/mesa/drivers/dri/i965/brw_state_upload.c b/src/mesa/drivers/dri/i965/brw_state_upload.c
index ac64c8c7a99..eb0357b7559 100644
--- a/src/mesa/drivers/dri/i965/brw_state_upload.c
+++ b/src/mesa/drivers/dri/i965/brw_state_upload.c
@@ -517,6 +517,7 @@ void brw_init_state( struct brw_context *brw )
ctx->DriverFlags.NewTextureBuffer = BRW_NEW_TEXTURE_BUFFER;
ctx->DriverFlags.NewAtomicBuffer = BRW_NEW_ATOMIC_BUFFER;
ctx->DriverFlags.NewImageUnits = BRW_NEW_IMAGE_UNITS;
+ ctx->DriverFlags.NewDefaultTessLevels = BRW_NEW_DEFAULT_TESS_LEVELS;
}
@@ -619,6 +620,7 @@ static struct dirty_bit_map brw_bits[] = {
DEFINE_BIT(BRW_NEW_BINDING_TABLE_POINTERS),
DEFINE_BIT(BRW_NEW_INDICES),
DEFINE_BIT(BRW_NEW_VERTICES),
+ DEFINE_BIT(BRW_NEW_DEFAULT_TESS_LEVELS),
DEFINE_BIT(BRW_NEW_BATCH),
DEFINE_BIT(BRW_NEW_INDEX_BUFFER),
DEFINE_BIT(BRW_NEW_VS_CONSTBUF),
diff --git a/src/mesa/drivers/dri/i965/gen7_hs_state.c b/src/mesa/drivers/dri/i965/gen7_hs_state.c
index 63b185e329e..6793617b9e2 100644
--- a/src/mesa/drivers/dri/i965/gen7_hs_state.c
+++ b/src/mesa/drivers/dri/i965/gen7_hs_state.c
@@ -49,6 +49,7 @@ const struct brw_tracked_state gen7_tcs_push_constants = {
.dirty = {
.mesa = _NEW_PROGRAM_CONSTANTS,
.brw = BRW_NEW_BATCH |
+ BRW_NEW_DEFAULT_TESS_LEVELS |
BRW_NEW_PUSH_CONSTANT_ALLOCATION |
BRW_NEW_TESS_PROGRAMS |
BRW_NEW_TCS_PROG_DATA,