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authorKenneth Graunke <kenneth@whitecape.org>2013-07-10 13:27:40 -0700
committerKenneth Graunke <kenneth@whitecape.org>2013-07-15 19:40:52 -0700
commit2e928e2a3ff9058c67247631b7a9c2449861214f (patch)
treeaae8588f493681a7c3af93db3deb514d93e53283 /src/mesa
parent43ea4342257d9d2c57eb379a6326258100c2156b (diff)
i965: Cite the Ivybridge PRM for multisample surface format notes.
Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/drivers/dri/i965/gen7_wm_surface_state.c22
1 files changed, 9 insertions, 13 deletions
diff --git a/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c b/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c
index 684669ba723..fe9780387b7 100644
--- a/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c
+++ b/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c
@@ -148,9 +148,8 @@ gen7_check_surface_setup(uint32_t *surf, bool is_render_target)
(void) surface_array_spacing;
- /* From the Graphics BSpec: vol5c Shared Functions [SNB+] > State >
- * SURFACE_STATE > SURFACE_STATE for most messages [DevIVB]: Surface Array
- * Spacing:
+ /* From the Ivybridge PRM, Volume 4 Part 1, page 66 (RENDER_SURFACE_STATE
+ * dword 0 bit 10 "Surface Array Spacing" Programming Notes):
*
* If Multisampled Surface Storage Format is MSFMT_MSS and Number of
* Multisamples is not MULTISAMPLECOUNT_1, this field must be set to
@@ -160,9 +159,8 @@ gen7_check_surface_setup(uint32_t *surf, bool is_render_target)
&& is_multisampled)
assert(surface_array_spacing == GEN7_SURFACE_ARYSPC_LOD0);
- /* From the Graphics BSpec: vol5c Shared Functions [SNB+] > State >
- * SURFACE_STATE > SURFACE_STATE for most messages [DevIVB]: Multisampled
- * Surface Storage Format:
+ /* From the Ivybridge PRM, Volume 4 Part 1, page 72 (RENDER_SURFACE_STATE
+ * dword 4 bit 6 "Multisampled Surface Storage" Programming Notes):
*
* All multisampled render target surfaces must have this field set to
* MSFMT_MSS.
@@ -175,9 +173,8 @@ gen7_check_surface_setup(uint32_t *surf, bool is_render_target)
assert(multisampled_surface_storage_format == GEN7_SURFACE_MSFMT_MSS);
}
- /* From the Graphics BSpec: vol5c Shared Functions [SNB+] > State >
- * SURFACE_STATE > SURFACE_STATE for most messages [DevIVB]: Multisampled
- * Surface Storage Format:
+ /* From the Ivybridge PRM, Volume 4 Part 1, page 72 (RENDER_SURFACE_STATE
+ * dword 4 bit 6 "Multisampled Surface Storage Format" Errata):
*
* If the surface’s Number of Multisamples is MULTISAMPLECOUNT_8, Width
* is >= 8192 (meaning the actual surface width is >= 8193 pixels), this
@@ -188,9 +185,8 @@ gen7_check_surface_setup(uint32_t *surf, bool is_render_target)
assert(multisampled_surface_storage_format == GEN7_SURFACE_MSFMT_MSS);
}
- /* From the Graphics BSpec: vol5c Shared Functions [SNB+] > State >
- * SURFACE_STATE > SURFACE_STATE for most messages [DevIVB]: Multisampled
- * Surface Storage Format:
+ /* From the Ivybridge PRM, Volume 4 Part 1, page 72 (RENDER_SURFACE_STATE
+ * dword 4 bit 6 "Multisampled Surface Storage Format" Errata):
*
* If the surface’s Number of Multisamples is MULTISAMPLECOUNT_8,
* ((Depth+1) * (Height+1)) is > 4,194,304, OR if the surface’s Number of
@@ -200,7 +196,7 @@ gen7_check_surface_setup(uint32_t *surf, bool is_render_target)
* following: I24X8_UNORM, L24X8_UNORM, A24X8_UNORM, or
* R24_UNORM_X8_TYPELESS.
*
- * But also:
+ * But also (from the Programming Notes):
*
* This field is ignored if Number of Multisamples is MULTISAMPLECOUNT_1.
*/