[Mesa-dev] [PATCH 7/7] i965: Remove brw_lower_mesa_image_format

Jason Ekstrand jason at jlekstrand.net
Wed Nov 4 17:03:56 PST 2015


Now that the compiler is all switched over to brw_lower_image_format and
state-setup doesn't need it, we can get rid of the old helper.
---
 src/mesa/drivers/dri/i965/brw_context.h          |   2 -
 src/mesa/drivers/dri/i965/brw_surface_formats.c  | 109 -----------------------
 src/mesa/drivers/dri/i965/brw_wm_surface_state.c |  11 +--
 3 files changed, 3 insertions(+), 119 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_context.h b/src/mesa/drivers/dri/i965/brw_context.h
index e075395..0a06cc9 100644
--- a/src/mesa/drivers/dri/i965/brw_context.h
+++ b/src/mesa/drivers/dri/i965/brw_context.h
@@ -1470,8 +1470,6 @@ void brw_upload_image_surfaces(struct brw_context *brw,
 bool brw_render_target_supported(struct brw_context *brw,
                                  struct gl_renderbuffer *rb);
 uint32_t brw_depth_format(struct brw_context *brw, mesa_format format);
-mesa_format brw_lower_mesa_image_format(const struct brw_device_info *devinfo,
-                                        mesa_format format);
 
 /* brw_performance_monitor.c */
 void brw_init_performance_monitors(struct brw_context *brw);
diff --git a/src/mesa/drivers/dri/i965/brw_surface_formats.c b/src/mesa/drivers/dri/i965/brw_surface_formats.c
index 97fff60..bf079da 100644
--- a/src/mesa/drivers/dri/i965/brw_surface_formats.c
+++ b/src/mesa/drivers/dri/i965/brw_surface_formats.c
@@ -900,112 +900,3 @@ brw_depth_format(struct brw_context *brw, mesa_format format)
       unreachable("Unexpected depth format.");
    }
 }
-
-mesa_format
-brw_lower_mesa_image_format(const struct brw_device_info *devinfo,
-                            mesa_format format)
-{
-   switch (format) {
-   /* These are never lowered.  Up to BDW we'll have to fall back to untyped
-    * surface access for 128bpp formats.
-    */
-   case MESA_FORMAT_RGBA_UINT32:
-   case MESA_FORMAT_RGBA_SINT32:
-   case MESA_FORMAT_RGBA_FLOAT32:
-   case MESA_FORMAT_R_UINT32:
-   case MESA_FORMAT_R_SINT32:
-   case MESA_FORMAT_R_FLOAT32:
-      return format;
-
-   /* From HSW to BDW the only 64bpp format supported for typed access is
-    * RGBA_UINT16.  IVB falls back to untyped.
-    */
-   case MESA_FORMAT_RGBA_UINT16:
-   case MESA_FORMAT_RGBA_SINT16:
-   case MESA_FORMAT_RGBA_FLOAT16:
-   case MESA_FORMAT_RG_UINT32:
-   case MESA_FORMAT_RG_SINT32:
-   case MESA_FORMAT_RG_FLOAT32:
-      return (devinfo->gen >= 9 ? format :
-              devinfo->gen >= 8 || devinfo->is_haswell ?
-              MESA_FORMAT_RGBA_UINT16 : MESA_FORMAT_RG_UINT32);
-
-   /* Up to BDW no SINT or FLOAT formats of less than 32 bits per component
-    * are supported.  IVB doesn't support formats with more than one component
-    * for typed access.  For 8 and 16 bpp formats IVB relies on the
-    * undocumented behavior that typed reads from R_UINT8 and R_UINT16
-    * surfaces actually do a 32-bit misaligned read.  The alternative would be
-    * to use two surface state entries with different formats for each image,
-    * one for reading (using R_UINT32) and another one for writing (using
-    * R_UINT8 or R_UINT16), but that would complicate the shaders we generate
-    * even more.
-    */
-   case MESA_FORMAT_RGBA_UINT8:
-   case MESA_FORMAT_RGBA_SINT8:
-      return (devinfo->gen >= 9 ? format :
-              devinfo->gen >= 8 || devinfo->is_haswell ?
-              MESA_FORMAT_RGBA_UINT8 : MESA_FORMAT_R_UINT32);
-
-   case MESA_FORMAT_RG_UINT16:
-   case MESA_FORMAT_RG_SINT16:
-   case MESA_FORMAT_RG_FLOAT16:
-      return (devinfo->gen >= 9 ? format :
-              devinfo->gen >= 8 || devinfo->is_haswell ?
-              MESA_FORMAT_RG_UINT16 : MESA_FORMAT_R_UINT32);
-
-   case MESA_FORMAT_RG_UINT8:
-   case MESA_FORMAT_RG_SINT8:
-      return (devinfo->gen >= 9 ? format :
-              devinfo->gen >= 8 || devinfo->is_haswell ?
-              MESA_FORMAT_RG_UINT8 : MESA_FORMAT_R_UINT16);
-
-   case MESA_FORMAT_R_UINT16:
-   case MESA_FORMAT_R_FLOAT16:
-   case MESA_FORMAT_R_SINT16:
-      return (devinfo->gen >= 9 ? format : MESA_FORMAT_R_UINT16);
-
-   case MESA_FORMAT_R_UINT8:
-   case MESA_FORMAT_R_SINT8:
-      return (devinfo->gen >= 9 ? format : MESA_FORMAT_R_UINT8);
-
-   /* Neither the 2/10/10/10 nor the 11/11/10 packed formats are supported
-    * by the hardware.
-    */
-   case MESA_FORMAT_R10G10B10A2_UINT:
-   case MESA_FORMAT_R10G10B10A2_UNORM:
-   case MESA_FORMAT_R11G11B10_FLOAT:
-      return MESA_FORMAT_R_UINT32;
-
-   /* No normalized fixed-point formats are supported by the hardware. */
-   case MESA_FORMAT_RGBA_UNORM16:
-   case MESA_FORMAT_RGBA_SNORM16:
-      return (devinfo->gen >= 8 || devinfo->is_haswell ?
-              MESA_FORMAT_RGBA_UINT16 : MESA_FORMAT_RG_UINT32);
-
-   case MESA_FORMAT_R8G8B8A8_UNORM:
-   case MESA_FORMAT_R8G8B8A8_SNORM:
-      return (devinfo->gen >= 8 || devinfo->is_haswell ?
-              MESA_FORMAT_RGBA_UINT8 : MESA_FORMAT_R_UINT32);
-
-   case MESA_FORMAT_R16G16_UNORM:
-   case MESA_FORMAT_R16G16_SNORM:
-      return (devinfo->gen >= 8 || devinfo->is_haswell ?
-              MESA_FORMAT_RG_UINT16 : MESA_FORMAT_R_UINT32);
-
-   case MESA_FORMAT_R8G8_UNORM:
-   case MESA_FORMAT_R8G8_SNORM:
-      return (devinfo->gen >= 8 || devinfo->is_haswell ?
-              MESA_FORMAT_RG_UINT8 : MESA_FORMAT_R_UINT16);
-
-   case MESA_FORMAT_R_UNORM16:
-   case MESA_FORMAT_R_SNORM16:
-      return MESA_FORMAT_R_UINT16;
-
-   case MESA_FORMAT_R_UNORM8:
-   case MESA_FORMAT_R_SNORM8:
-      return MESA_FORMAT_R_UINT8;
-
-   default:
-      unreachable("Unknown image format");
-   }
-}
diff --git a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
index a305f11..719ec1f 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
@@ -1144,14 +1144,9 @@ get_image_format(struct brw_context *brw, mesa_format format, GLenum access)
           (_mesa_get_format_bytes(format) >= 8 &&
            (brw->gen == 7 && !brw->is_haswell)))
          return BRW_SURFACEFORMAT_RAW;
-      else {
-         uint32_t format1 = brw_format_for_mesa_format(
-            brw_lower_mesa_image_format(brw->intelScreen->devinfo, format));
-         uint32_t format2 = brw_lower_image_format(
-            brw->intelScreen->devinfo, brw_format_for_mesa_format(format));
-         assert(format1 == format2);
-         return format1;
-      }
+      else
+         return brw_lower_image_format(brw->intelScreen->devinfo,
+                                       brw_format_for_mesa_format(format));
    }
 }
 
-- 
2.5.0.400.gff86faf



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