/**************************************************************************
*
- * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2008 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#include "pipe/p_compiler.h"
#include "pipe/p_format.h"
-#include "util/u_debug.h"
+#include "util/u_debug_gallium.h"
#include "util/u_format.h"
#include "util/u_math.h"
-
+/**
+ * Helper union for packing pixel values.
+ * Will often contain values in formats which are too complex to be described
+ * in simple terms, hence might just effectively contain a number of bytes.
+ * Must be big enough to hold data for all formats (currently 256 bits).
+ */
union util_color {
ubyte ub;
ushort us;
- uint ui;
+ uint ui[4];
+ ushort h[4]; /* half float */
float f[4];
+ double d[4];
};
/**
* Pack ubyte R,G,B,A into dest pixel.
*/
-static INLINE void
+static inline void
util_pack_color_ub(ubyte r, ubyte g, ubyte b, ubyte a,
enum pipe_format format, union util_color *uc)
{
switch (format) {
- case PIPE_FORMAT_A8B8G8R8_UNORM:
+ case PIPE_FORMAT_ABGR8888_UNORM:
{
- uc->ui = (r << 24) | (g << 16) | (b << 8) | a;
+ uc->ui[0] = (r << 24) | (g << 16) | (b << 8) | a;
}
return;
- case PIPE_FORMAT_X8B8G8R8_UNORM:
+ case PIPE_FORMAT_XBGR8888_UNORM:
{
- uc->ui = (r << 24) | (g << 16) | (b << 8) | 0xff;
+ uc->ui[0] = (r << 24) | (g << 16) | (b << 8) | 0xff;
}
return;
- case PIPE_FORMAT_B8G8R8A8_UNORM:
+ case PIPE_FORMAT_BGRA8888_UNORM:
{
- uc->ui = (a << 24) | (r << 16) | (g << 8) | b;
+ uc->ui[0] = (a << 24) | (r << 16) | (g << 8) | b;
}
return;
- case PIPE_FORMAT_B8G8R8X8_UNORM:
+ case PIPE_FORMAT_BGRX8888_UNORM:
{
- uc->ui = (0xff << 24) | (r << 16) | (g << 8) | b;
+ uc->ui[0] = (0xff << 24) | (r << 16) | (g << 8) | b;
}
return;
- case PIPE_FORMAT_A8R8G8B8_UNORM:
+ case PIPE_FORMAT_ARGB8888_UNORM:
{
- uc->ui = (b << 24) | (g << 16) | (r << 8) | a;
+ uc->ui[0] = (b << 24) | (g << 16) | (r << 8) | a;
}
return;
- case PIPE_FORMAT_X8R8G8B8_UNORM:
+ case PIPE_FORMAT_XRGB8888_UNORM:
{
- uc->ui = (b << 24) | (g << 16) | (r << 8) | 0xff;
+ uc->ui[0] = (b << 24) | (g << 16) | (r << 8) | 0xff;
}
return;
case PIPE_FORMAT_B5G6R5_UNORM:
case PIPE_FORMAT_L8_UNORM:
case PIPE_FORMAT_I8_UNORM:
{
- uc->ub = a;
+ uc->ub = r;
}
return;
case PIPE_FORMAT_R32G32B32A32_FLOAT:
/**
* Unpack RGBA from a packed pixel, returning values as ubytes in [0,255].
*/
-static INLINE void
+static inline void
util_unpack_color_ub(enum pipe_format format, union util_color *uc,
ubyte *r, ubyte *g, ubyte *b, ubyte *a)
{
switch (format) {
- case PIPE_FORMAT_A8B8G8R8_UNORM:
+ case PIPE_FORMAT_ABGR8888_UNORM:
{
- uint p = uc->ui;
+ uint p = uc->ui[0];
*r = (ubyte) ((p >> 24) & 0xff);
*g = (ubyte) ((p >> 16) & 0xff);
*b = (ubyte) ((p >> 8) & 0xff);
*a = (ubyte) ((p >> 0) & 0xff);
}
return;
- case PIPE_FORMAT_X8B8G8R8_UNORM:
+ case PIPE_FORMAT_XBGR8888_UNORM:
{
- uint p = uc->ui;
+ uint p = uc->ui[0];
*r = (ubyte) ((p >> 24) & 0xff);
*g = (ubyte) ((p >> 16) & 0xff);
*b = (ubyte) ((p >> 8) & 0xff);
*a = (ubyte) 0xff;
}
return;
- case PIPE_FORMAT_B8G8R8A8_UNORM:
+ case PIPE_FORMAT_BGRA8888_UNORM:
{
- uint p = uc->ui;
+ uint p = uc->ui[0];
*r = (ubyte) ((p >> 16) & 0xff);
*g = (ubyte) ((p >> 8) & 0xff);
*b = (ubyte) ((p >> 0) & 0xff);
*a = (ubyte) ((p >> 24) & 0xff);
}
return;
- case PIPE_FORMAT_B8G8R8X8_UNORM:
+ case PIPE_FORMAT_BGRX8888_UNORM:
{
- uint p = uc->ui;
+ uint p = uc->ui[0];
*r = (ubyte) ((p >> 16) & 0xff);
*g = (ubyte) ((p >> 8) & 0xff);
*b = (ubyte) ((p >> 0) & 0xff);
*a = (ubyte) 0xff;
}
return;
- case PIPE_FORMAT_A8R8G8B8_UNORM:
+ case PIPE_FORMAT_ARGB8888_UNORM:
{
- uint p = uc->ui;
+ uint p = uc->ui[0];
*r = (ubyte) ((p >> 8) & 0xff);
*g = (ubyte) ((p >> 16) & 0xff);
*b = (ubyte) ((p >> 24) & 0xff);
*a = (ubyte) ((p >> 0) & 0xff);
}
return;
- case PIPE_FORMAT_X8R8G8B8_UNORM:
+ case PIPE_FORMAT_XRGB8888_UNORM:
{
- uint p = uc->ui;
+ uint p = uc->ui[0];
*r = (ubyte) ((p >> 8) & 0xff);
*g = (ubyte) ((p >> 16) & 0xff);
*b = (ubyte) ((p >> 24) & 0xff);
/**
* Note rgba outside [0,1] will be clamped for int pixel formats.
+ * This will not work (and might not really be useful with float input)
+ * for pure integer formats (which lack the pack_rgba_float function).
*/
-static INLINE void
+static inline void
util_pack_color(const float rgba[4], enum pipe_format format, union util_color *uc)
{
ubyte r = 0;
}
switch (format) {
- case PIPE_FORMAT_A8B8G8R8_UNORM:
+ case PIPE_FORMAT_ABGR8888_UNORM:
{
- uc->ui = (r << 24) | (g << 16) | (b << 8) | a;
+ uc->ui[0] = (r << 24) | (g << 16) | (b << 8) | a;
}
return;
- case PIPE_FORMAT_X8B8G8R8_UNORM:
+ case PIPE_FORMAT_XBGR8888_UNORM:
{
- uc->ui = (r << 24) | (g << 16) | (b << 8) | 0xff;
+ uc->ui[0] = (r << 24) | (g << 16) | (b << 8) | 0xff;
}
return;
- case PIPE_FORMAT_B8G8R8A8_UNORM:
+ case PIPE_FORMAT_BGRA8888_UNORM:
{
- uc->ui = (a << 24) | (r << 16) | (g << 8) | b;
+ uc->ui[0] = (a << 24) | (r << 16) | (g << 8) | b;
}
return;
- case PIPE_FORMAT_B8G8R8X8_UNORM:
+ case PIPE_FORMAT_BGRX8888_UNORM:
{
- uc->ui = (0xff << 24) | (r << 16) | (g << 8) | b;
+ uc->ui[0] = (0xffu << 24) | (r << 16) | (g << 8) | b;
}
return;
- case PIPE_FORMAT_A8R8G8B8_UNORM:
+ case PIPE_FORMAT_ARGB8888_UNORM:
{
- uc->ui = (b << 24) | (g << 16) | (r << 8) | a;
+ uc->ui[0] = (b << 24) | (g << 16) | (r << 8) | a;
}
return;
- case PIPE_FORMAT_X8R8G8B8_UNORM:
+ case PIPE_FORMAT_XRGB8888_UNORM:
{
- uc->ui = (b << 24) | (g << 16) | (r << 8) | 0xff;
+ uc->ui[0] = (b << 24) | (g << 16) | (r << 8) | 0xff;
}
return;
case PIPE_FORMAT_B5G6R5_UNORM:
return;
case PIPE_FORMAT_B4G4R4A4_UNORM:
{
- uc->ub = ((a & 0xf0) << 8) | ((r & 0xf0) << 4) | ((g & 0xf0) << 0) | (b >> 4);
+ uc->us = ((a & 0xf0) << 8) | ((r & 0xf0) << 4) | ((g & 0xf0) << 0) | (b >> 4);
}
return;
case PIPE_FORMAT_A8_UNORM:
}
}
+/* Integer versions of util_pack_z and util_pack_z_stencil - useful for
+ * constructing clear masks.
+ */
+static inline uint32_t
+util_pack_mask_z(enum pipe_format format, uint32_t z)
+{
+ switch (format) {
+ case PIPE_FORMAT_Z16_UNORM:
+ return z & 0xffff;
+ case PIPE_FORMAT_Z32_UNORM:
+ case PIPE_FORMAT_Z32_FLOAT:
+ return z;
+ case PIPE_FORMAT_Z24_UNORM_S8_UINT:
+ case PIPE_FORMAT_Z24X8_UNORM:
+ return z & 0xffffff;
+ case PIPE_FORMAT_S8_UINT_Z24_UNORM:
+ case PIPE_FORMAT_X8Z24_UNORM:
+ return (z & 0xffffff) << 8;
+ case PIPE_FORMAT_S8_UINT:
+ return 0;
+ default:
+ debug_print_format("gallium: unhandled format in util_pack_mask_z()", format);
+ assert(0);
+ return 0;
+ }
+}
+
+
+static inline uint64_t
+util_pack64_mask_z(enum pipe_format format, uint32_t z)
+{
+ switch (format) {
+ case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
+ return z;
+ default:
+ return util_pack_mask_z(format, z);
+ }
+}
+
+
+static inline uint32_t
+util_pack_mask_z_stencil(enum pipe_format format, uint32_t z, uint8_t s)
+{
+ uint32_t packed = util_pack_mask_z(format, z);
+
+ switch (format) {
+ case PIPE_FORMAT_Z24_UNORM_S8_UINT:
+ packed |= (uint32_t)s << 24;
+ break;
+ case PIPE_FORMAT_S8_UINT_Z24_UNORM:
+ packed |= s;
+ break;
+ case PIPE_FORMAT_S8_UINT:
+ packed |= s;
+ break;
+ default:
+ break;
+ }
+
+ return packed;
+}
+
+
+static inline uint64_t
+util_pack64_mask_z_stencil(enum pipe_format format, uint32_t z, uint8_t s)
+{
+ uint64_t packed;
+
+ switch (format) {
+ case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
+ packed = util_pack64_mask_z(format, z);
+ packed |= (uint64_t)s << 32ull;
+ return packed;
+ default:
+ return util_pack_mask_z_stencil(format, z, s);
+ }
+}
+
/**
* Note: it's assumed that z is in [0,1]
*/
-static INLINE uint
+static inline uint32_t
util_pack_z(enum pipe_format format, double z)
{
+ union fi fui;
+
if (z == 0.0)
return 0;
case PIPE_FORMAT_Z16_UNORM:
if (z == 1.0)
return 0xffff;
- return (uint) (z * 0xffff);
+ return (uint32_t) lrint(z * 0xffff);
case PIPE_FORMAT_Z32_UNORM:
/* special-case to avoid overflow */
if (z == 1.0)
return 0xffffffff;
- return (uint) (z * 0xffffffff);
+ return (uint32_t) llrint(z * 0xffffffff);
case PIPE_FORMAT_Z32_FLOAT:
- return (uint)z;
- case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
+ fui.f = (float)z;
+ return fui.ui;
+ case PIPE_FORMAT_Z24_UNORM_S8_UINT:
case PIPE_FORMAT_Z24X8_UNORM:
if (z == 1.0)
return 0xffffff;
- return (uint) (z * 0xffffff);
- case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
+ return (uint32_t) lrint(z * 0xffffff);
+ case PIPE_FORMAT_S8_UINT_Z24_UNORM:
case PIPE_FORMAT_X8Z24_UNORM:
if (z == 1.0)
return 0xffffff00;
- return ((uint) (z * 0xffffff)) << 8;
- case PIPE_FORMAT_S8_USCALED:
+ return ((uint32_t) lrint(z * 0xffffff)) << 8;
+ case PIPE_FORMAT_S8_UINT:
/* this case can get it via util_pack_z_stencil() */
return 0;
default:
return 0;
}
}
+
+
+static inline uint64_t
+util_pack64_z(enum pipe_format format, double z)
+{
+ union fi fui;
+
+ if (z == 0)
+ return 0;
+
+ switch (format) {
+ case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
+ fui.f = (float)z;
+ return fui.ui;
+ default:
+ return util_pack_z(format, z);
+ }
+}
/**
* Pack Z and/or stencil values into a 32-bit value described by format.
* Note: it's assumed that z is in [0,1] and s in [0,255]
*/
-static INLINE uint
-util_pack_z_stencil(enum pipe_format format, double z, uint s)
+static inline uint32_t
+util_pack_z_stencil(enum pipe_format format, double z, uint8_t s)
{
- unsigned packed = util_pack_z(format, z);
+ uint32_t packed = util_pack_z(format, z);
switch (format) {
- case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
- packed |= s << 24;
+ case PIPE_FORMAT_Z24_UNORM_S8_UINT:
+ packed |= (uint32_t)s << 24;
break;
- case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
+ case PIPE_FORMAT_S8_UINT_Z24_UNORM:
packed |= s;
break;
- case PIPE_FORMAT_S8_USCALED:
+ case PIPE_FORMAT_S8_UINT:
packed |= s;
break;
default:
}
+static inline uint64_t
+util_pack64_z_stencil(enum pipe_format format, double z, uint8_t s)
+{
+ uint64_t packed;
+
+ switch (format) {
+ case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
+ packed = util_pack64_z(format, z);
+ packed |= (uint64_t)s << 32ull;
+ break;
+ default:
+ return util_pack_z_stencil(format, z, s);
+ }
+
+ return packed;
+}
+
+
/**
* Pack 4 ubytes into a 4-byte word
*/
-static INLINE unsigned
+static inline unsigned
pack_ub4(ubyte b0, ubyte b1, ubyte b2, ubyte b3)
{
return ((((unsigned int)b0) << 0) |
/**
* Pack/convert 4 floats into one 4-byte word.
*/
-static INLINE unsigned
+static inline unsigned
pack_ui32_float4(float a, float b, float c, float d)
{
return pack_ub4( float_to_ubyte(a),
projects / mesa.git / blobdiff