freedreno/a6xx: RB6_R8G8B8 is actually 32 bit RGBX

Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Kristian H. Kristensen <hoegsberg@google.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/2848>

src/freedreno/registers/a6xx.xml

@@ -26,7 +26,7 @@ xsi:schemaLocation="http://nouveau.freedesktop.org/ rules-ng.xsd">
 	<value value="0x18" name="RB6_R16_UINT"/>
 	<value value="0x19" name="RB6_R16_SINT"/>
 	<value value="0x30" name="RB6_R8G8B8A8_UNORM"/>
-	<value value="0x31" name="RB6_R8G8B8_UNORM"/>
+	<value value="0x31" name="RB6_R8G8B8X8_UNORM"/> <!-- 32 bpp format, samples 1 for alpha -->
 	<value value="0x32" name="RB6_R8G8B8A8_SNORM"/>
 	<value value="0x33" name="RB6_R8G8B8A8_UINT"/>
 	<value value="0x34" name="RB6_R8G8B8A8_SINT"/>

src/freedreno/vulkan/tu_formats.c

@@ -345,7 +345,7 @@ tu6_rb_fmt_to_ifmt(enum a6xx_color_fmt fmt)
    case RB6_R8G8_UNORM:
    case RB6_R8G8_SNORM:
    case RB6_R8G8B8A8_UNORM:
-   case RB6_R8G8B8_UNORM:
+   case RB6_R8G8B8X8_UNORM:
    case RB6_R8G8B8A8_SNORM:
    case RB6_R4G4B4A4_UNORM:
    case RB6_R5G5B5A1_UNORM:

src/gallium/drivers/freedreno/a6xx/fd6_format.c

@@ -176,9 +176,9 @@ static struct fd6_format formats[PIPE_FORMAT_COUNT] = {
 	_T(L16A16_SINT,    16_16_SINT,  NONE,         WZYX),
 
 	VT(R8G8B8A8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX),
-	_T(R8G8B8X8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX),
+	_T(R8G8B8X8_UNORM,   8_8_8_8_UNORM, R8G8B8X8_UNORM, WZYX),
 	_T(R8G8B8A8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX),
-	_T(R8G8B8X8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, WZYX),
+	_T(R8G8B8X8_SRGB,    8_8_8_8_UNORM, R8G8B8X8_UNORM, WZYX),
 	VT(R8G8B8A8_SNORM,   8_8_8_8_SNORM, R8G8B8A8_SNORM, WZYX),
 	VT(R8G8B8A8_UINT,    8_8_8_8_UINT,  R8G8B8A8_UINT,  WZYX),
 	VT(R8G8B8A8_SINT,    8_8_8_8_SINT,  R8G8B8A8_SINT,  WZYX),
@@ -186,19 +186,19 @@ static struct fd6_format formats[PIPE_FORMAT_COUNT] = {
 	V_(R8G8B8A8_SSCALED, 8_8_8_8_SINT,  NONE,           WZYX),
 
 	VT(B8G8R8A8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ),
-	_T(B8G8R8X8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ),
+	_T(B8G8R8X8_UNORM,   8_8_8_8_UNORM, R8G8B8X8_UNORM, WXYZ),
 	VT(B8G8R8A8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ),
-	_T(B8G8R8X8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, WXYZ),
+	_T(B8G8R8X8_SRGB,    8_8_8_8_UNORM, R8G8B8X8_UNORM, WXYZ),
 
 	VT(A8B8G8R8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW),
-	_T(X8B8G8R8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW),
+	_T(X8B8G8R8_UNORM,   8_8_8_8_UNORM, R8G8B8X8_UNORM, XYZW),
 	_T(A8B8G8R8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW),
-	_T(X8B8G8R8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, XYZW),
+	_T(X8B8G8R8_SRGB,    8_8_8_8_UNORM, R8G8B8X8_UNORM, XYZW),
 
 	VT(A8R8G8B8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW),
-	_T(X8R8G8B8_UNORM,   8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW),
+	_T(X8R8G8B8_UNORM,   8_8_8_8_UNORM, R8G8B8X8_UNORM, ZYXW),
 	_T(A8R8G8B8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW),
-	_T(X8R8G8B8_SRGB,    8_8_8_8_UNORM, R8G8B8A8_UNORM, ZYXW),
+	_T(X8R8G8B8_SRGB,    8_8_8_8_UNORM, R8G8B8X8_UNORM, ZYXW),
 
 	VT(R10G10B10A2_UNORM,   10_10_10_2_UNORM, R10G10B10A2_UNORM, WZYX),
 	VT(B10G10R10A2_UNORM,   10_10_10_2_UNORM, R10G10B10A2_UNORM, WXYZ),

src/gallium/drivers/freedreno/a6xx/fd6_format.h

@@ -60,7 +60,7 @@ fd6_ifmt(enum a6xx_color_fmt fmt)
 	case RB6_R8G8_UNORM:
 	case RB6_R8G8_SNORM:
 	case RB6_R8G8B8A8_UNORM:
-	case RB6_R8G8B8_UNORM:
+	case RB6_R8G8B8X8_UNORM:
 	case RB6_R8G8B8A8_SNORM:
 		return R2D_UNORM8;
 

src/gallium/drivers/freedreno/a6xx/fd6_resource.c

@@ -69,7 +69,7 @@ ok_ubwc_format(enum pipe_format pfmt)
 	case RB6_R8G8B8A8_SINT:
 	case RB6_R8G8B8A8_UINT:
 	case RB6_R8G8B8A8_UNORM:
-	case RB6_R8G8B8_UNORM:
+	case RB6_R8G8B8X8_UNORM:
 	case RB6_R8G8_SINT:
 	case RB6_R8G8_UINT:
 	case RB6_R8G8_UNORM: