i965: Add device limits for tess threads & URB entries

This should cover all platforms prior to Skylake.

Signed-off-by: Chris Forbes <[email protected]>
Signed-off-by: Kenneth Graunke <[email protected]>
Acked-by: Ben Widawsky <[email protected]>

4 files changed, 48 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_context.c b/src/mesa/drivers/dri/i965/brw_context.c
index e20da0b8ef8..50b138720d8 100644
--- a/src/mesa/drivers/dri/i965/brw_context.c
+++ b/src/mesa/drivers/dri/i965/brw_context.c
@@ -811,11 +811,15 @@ brwCreateContext(gl_api api,
    brw_init_surface_formats(brw);
 
    brw->max_vs_threads = devinfo->max_vs_threads;
+   brw->max_hs_threads = devinfo->max_hs_threads;
+   brw->max_ds_threads = devinfo->max_ds_threads;
    brw->max_gs_threads = devinfo->max_gs_threads;
    brw->max_wm_threads = devinfo->max_wm_threads;
    brw->urb.size = devinfo->urb.size;
    brw->urb.min_vs_entries = devinfo->urb.min_vs_entries;
    brw->urb.max_vs_entries = devinfo->urb.max_vs_entries;
+   brw->urb.max_hs_entries = devinfo->urb.max_hs_entries;
+   brw->urb.max_ds_entries = devinfo->urb.max_ds_entries;
    brw->urb.max_gs_entries = devinfo->urb.max_gs_entries;
 
    /* Estimate the size of the mappable aperture into the GTT.  There's an
diff --git a/src/mesa/drivers/dri/i965/brw_context.h b/src/mesa/drivers/dri/i965/brw_context.h
index 4e722087faf..197ed3e6dc6 100644
--- a/src/mesa/drivers/dri/i965/brw_context.h
+++ b/src/mesa/drivers/dri/i965/brw_context.h
@@ -1192,6 +1192,8 @@ struct brw_context
     * for each pipeline stage.
     */
    int max_vs_threads;
+   int max_hs_threads;
+   int max_ds_threads;
    int max_gs_threads;
    int max_wm_threads;
 
@@ -1207,6 +1209,8 @@ struct brw_context
 
       GLuint min_vs_entries;    /* Minimum number of VS entries */
       GLuint max_vs_entries;	/* Maximum number of VS entries */
+      GLuint max_hs_entries;	/* Maximum number of HS entries */
+      GLuint max_ds_entries;	/* Maximum number of DS entries */
       GLuint max_gs_entries;	/* Maximum number of GS entries */
 
       GLuint nr_vs_entries;
diff --git a/src/mesa/drivers/dri/i965/brw_device_info.c b/src/mesa/drivers/dri/i965/brw_device_info.c
index 3c3c5643af2..ec4e22ed927 100644
--- a/src/mesa/drivers/dri/i965/brw_device_info.c
+++ b/src/mesa/drivers/dri/i965/brw_device_info.c
@@ -113,12 +113,16 @@ static const struct brw_device_info brw_device_info_ivb_gt1 = {
    GEN7_FEATURES, .is_ivybridge = true, .gt = 1,
    .needs_unlit_centroid_workaround = true,
    .max_vs_threads = 36,
+   .max_hs_threads = 36,
+   .max_ds_threads = 36,
    .max_gs_threads = 36,
    .max_wm_threads = 48,
    .urb = {
       .size = 128,
       .min_vs_entries = 32,
       .max_vs_entries = 512,
+      .max_hs_entries = 32,
+      .max_ds_entries = 288,
       .max_gs_entries = 192,
    },
 };
@@ -127,12 +131,16 @@ static const struct brw_device_info brw_device_info_ivb_gt2 = {
    GEN7_FEATURES, .is_ivybridge = true, .gt = 2,
    .needs_unlit_centroid_workaround = true,
    .max_vs_threads = 128,
+   .max_hs_threads = 128,
+   .max_ds_threads = 128,
    .max_gs_threads = 128,
    .max_wm_threads = 172,
    .urb = {
       .size = 256,
       .min_vs_entries = 32,
       .max_vs_entries = 704,
+      .max_hs_entries = 64,
+      .max_ds_entries = 448,
       .max_gs_entries = 320,
    },
 };
@@ -142,12 +150,16 @@ static const struct brw_device_info brw_device_info_byt = {
    .needs_unlit_centroid_workaround = true,
    .has_llc = false,
    .max_vs_threads = 36,
+   .max_hs_threads = 36,
+   .max_ds_threads = 36,
    .max_gs_threads = 36,
    .max_wm_threads = 48,
    .urb = {
       .size = 128,
       .min_vs_entries = 32,
       .max_vs_entries = 512,
+      .max_hs_entries = 32,
+      .max_ds_entries = 288,
       .max_gs_entries = 192,
    },
 };
@@ -155,12 +167,16 @@ static const struct brw_device_info brw_device_info_byt = {
 static const struct brw_device_info brw_device_info_hsw_gt1 = {
    GEN7_FEATURES, .is_haswell = true, .gt = 1,
    .max_vs_threads = 70,
+   .max_hs_threads = 70,
+   .max_ds_threads = 70,
    .max_gs_threads = 70,
    .max_wm_threads = 102,
    .urb = {
       .size = 128,
       .min_vs_entries = 32,
       .max_vs_entries = 640,
+      .max_hs_entries = 64,
+      .max_ds_entries = 384,
       .max_gs_entries = 256,
    },
 };
@@ -168,12 +184,16 @@ static const struct brw_device_info brw_device_info_hsw_gt1 = {
 static const struct brw_device_info brw_device_info_hsw_gt2 = {
    GEN7_FEATURES, .is_haswell = true, .gt = 2,
    .max_vs_threads = 280,
+   .max_hs_threads = 256,
+   .max_ds_threads = 280,
    .max_gs_threads = 256,
    .max_wm_threads = 204,
    .urb = {
       .size = 256,
       .min_vs_entries = 64,
       .max_vs_entries = 1664,
+      .max_hs_entries = 128,
+      .max_ds_entries = 960,
       .max_gs_entries = 640,
    },
 };
@@ -181,12 +201,16 @@ static const struct brw_device_info brw_device_info_hsw_gt2 = {
 static const struct brw_device_info brw_device_info_hsw_gt3 = {
    GEN7_FEATURES, .is_haswell = true, .gt = 3,
    .max_vs_threads = 280,
+   .max_hs_threads = 256,
+   .max_ds_threads = 280,
    .max_gs_threads = 256,
    .max_wm_threads = 408,
    .urb = {
       .size = 512,
       .min_vs_entries = 64,
       .max_vs_entries = 1664,
+      .max_hs_entries = 128,
+      .max_ds_entries = 960,
       .max_gs_entries = 640,
    },
 };
@@ -198,6 +222,8 @@ static const struct brw_device_info brw_device_info_hsw_gt3 = {
    .has_llc = true,                                 \
    .has_pln = true,                                 \
    .max_vs_threads = 504,                           \
+   .max_hs_threads = 504,                           \
+   .max_ds_threads = 504,                           \
    .max_gs_threads = 504,                           \
    .max_wm_threads = 384                            \
 
@@ -207,6 +233,8 @@ static const struct brw_device_info brw_device_info_bdw_gt1 = {
       .size = 192,
       .min_vs_entries = 64,
       .max_vs_entries = 2560,
+      .max_hs_entries = 504,
+      .max_ds_entries = 1536,
       .max_gs_entries = 960,
    }
 };
@@ -217,6 +245,8 @@ static const struct brw_device_info brw_device_info_bdw_gt2 = {
       .size = 384,
       .min_vs_entries = 64,
       .max_vs_entries = 2560,
+      .max_hs_entries = 504,
+      .max_ds_entries = 1536,
       .max_gs_entries = 960,
    }
 };
@@ -227,6 +257,8 @@ static const struct brw_device_info brw_device_info_bdw_gt3 = {
       .size = 384,
       .min_vs_entries = 64,
       .max_vs_entries = 2560,
+      .max_hs_entries = 504,
+      .max_ds_entries = 1536,
       .max_gs_entries = 960,
    }
 };
@@ -238,12 +270,16 @@ static const struct brw_device_info brw_device_info_chv = {
    GEN8_FEATURES, .is_cherryview = 1, .gt = 1,
    .has_llc = false,
    .max_vs_threads = 80,
+   .max_hs_threads = 80,
+   .max_ds_threads = 80,
    .max_gs_threads = 80,
    .max_wm_threads = 128,
    .urb = {
       .size = 128,
       .min_vs_entries = 34,
       .max_vs_entries = 640,
+      .max_hs_entries = 80,
+      .max_ds_entries = 384,
       .max_gs_entries = 256,
    }
 };
diff --git a/src/mesa/drivers/dri/i965/brw_device_info.h b/src/mesa/drivers/dri/i965/brw_device_info.h
index e506beb9360..7c9f5d0ff4c 100644
--- a/src/mesa/drivers/dri/i965/brw_device_info.h
+++ b/src/mesa/drivers/dri/i965/brw_device_info.h
@@ -66,6 +66,8 @@ struct brw_device_info
     *  @{
     */
    unsigned max_vs_threads;
+   unsigned max_hs_threads;
+   unsigned max_ds_threads;
    unsigned max_gs_threads;
    unsigned max_wm_threads;
 
@@ -73,6 +75,8 @@ struct brw_device_info
       unsigned size;
       unsigned min_vs_entries;
       unsigned max_vs_entries;
+      unsigned max_hs_entries;
+      unsigned max_ds_entries;
       unsigned max_gs_entries;
    } urb;
    /** @} */