#include "pipe/p_compiler.h"
#include "pipe/p_format.h"
+#include "util/u_debug.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;
+ float f[4];
+ double d[4];
+};
+
/**
* Pack ubyte R,G,B,A into dest pixel.
*/
static INLINE void
util_pack_color_ub(ubyte r, ubyte g, ubyte b, ubyte a,
- enum pipe_format format, void *dest)
+ enum pipe_format format, union util_color *uc)
{
switch (format) {
- case PIPE_FORMAT_R8G8B8A8_UNORM:
+ case PIPE_FORMAT_A8B8G8R8_UNORM:
{
- uint *d = (uint *) dest;
- *d = (r << 24) | (g << 16) | (b << 8) | a;
+ uc->ui = (r << 24) | (g << 16) | (b << 8) | a;
}
return;
- case PIPE_FORMAT_R8G8B8X8_UNORM:
+ case PIPE_FORMAT_X8B8G8R8_UNORM:
{
- uint *d = (uint *) dest;
- *d = (r << 24) | (g << 16) | (b << 8) | 0xff;
+ uc->ui = (r << 24) | (g << 16) | (b << 8) | 0xff;
}
return;
- case PIPE_FORMAT_A8R8G8B8_UNORM:
+ case PIPE_FORMAT_B8G8R8A8_UNORM:
{
- uint *d = (uint *) dest;
- *d = (a << 24) | (r << 16) | (g << 8) | b;
+ uc->ui = (a << 24) | (r << 16) | (g << 8) | b;
}
return;
- case PIPE_FORMAT_X8R8G8B8_UNORM:
+ case PIPE_FORMAT_B8G8R8X8_UNORM:
{
- uint *d = (uint *) dest;
- *d = (0xff << 24) | (r << 16) | (g << 8) | b;
+ uc->ui = (0xff << 24) | (r << 16) | (g << 8) | b;
}
return;
- case PIPE_FORMAT_B8G8R8A8_UNORM:
+ case PIPE_FORMAT_A8R8G8B8_UNORM:
{
- uint *d = (uint *) dest;
- *d = (b << 24) | (g << 16) | (r << 8) | a;
+ uc->ui = (b << 24) | (g << 16) | (r << 8) | a;
}
return;
- case PIPE_FORMAT_B8G8R8X8_UNORM:
+ case PIPE_FORMAT_X8R8G8B8_UNORM:
{
- uint *d = (uint *) dest;
- *d = (b << 24) | (g << 16) | (r << 8) | 0xff;
+ uc->ui = (b << 24) | (g << 16) | (r << 8) | 0xff;
}
return;
- case PIPE_FORMAT_R5G6B5_UNORM:
+ case PIPE_FORMAT_B5G6R5_UNORM:
{
- ushort *d = (ushort *) dest;
- *d = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | (b >> 3);
+ uc->us = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | (b >> 3);
}
return;
- case PIPE_FORMAT_A1R5G5B5_UNORM:
+ case PIPE_FORMAT_B5G5R5X1_UNORM:
{
- ushort *d = (ushort *) dest;
- *d = ((a & 0x80) << 8) | ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | (b >> 3);
+ uc->us = ((0x80) << 8) | ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | (b >> 3);
}
return;
- case PIPE_FORMAT_A4R4G4B4_UNORM:
+ case PIPE_FORMAT_B5G5R5A1_UNORM:
{
- ushort *d = (ushort *) dest;
- *d = ((a & 0xf0) << 8) | ((r & 0xf0) << 4) | ((g & 0xf0) << 0) | (b >> 4);
+ uc->us = ((a & 0x80) << 8) | ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | (b >> 3);
+ }
+ return;
+ case PIPE_FORMAT_B4G4R4A4_UNORM:
+ {
+ uc->us = ((a & 0xf0) << 8) | ((r & 0xf0) << 4) | ((g & 0xf0) << 0) | (b >> 4);
}
return;
case PIPE_FORMAT_A8_UNORM:
{
- ubyte *d = (ubyte *) dest;
- *d = a;
+ uc->ub = a;
}
return;
case PIPE_FORMAT_L8_UNORM:
case PIPE_FORMAT_I8_UNORM:
{
- ubyte *d = (ubyte *) dest;
- *d = r;
+ uc->ub = a;
}
return;
case PIPE_FORMAT_R32G32B32A32_FLOAT:
{
- float *d = (float *) dest;
- d[0] = (float)r / 255.0f;
- d[1] = (float)g / 255.0f;
- d[2] = (float)b / 255.0f;
- d[3] = (float)a / 255.0f;
+ uc->f[0] = (float)r / 255.0f;
+ uc->f[1] = (float)g / 255.0f;
+ uc->f[2] = (float)b / 255.0f;
+ uc->f[3] = (float)a / 255.0f;
}
return;
case PIPE_FORMAT_R32G32B32_FLOAT:
{
- float *d = (float *) dest;
- d[0] = (float)r / 255.0f;
- d[1] = (float)g / 255.0f;
- d[2] = (float)b / 255.0f;
+ uc->f[0] = (float)r / 255.0f;
+ uc->f[1] = (float)g / 255.0f;
+ uc->f[2] = (float)b / 255.0f;
}
return;
- /* XXX lots more cases to add */
+ /* Handle other cases with a generic function.
+ */
default:
- debug_print_format("gallium: unhandled format in util_pack_color_ub()", format);
- assert(0);
+ {
+ ubyte src[4];
+
+ src[0] = r;
+ src[1] = g;
+ src[2] = b;
+ src[3] = a;
+ util_format_write_4ub(format, src, 0, uc, 0, 0, 0, 1, 1);
+ }
}
}
* Unpack RGBA from a packed pixel, returning values as ubytes in [0,255].
*/
static INLINE void
-util_unpack_color_ub(enum pipe_format format, const void *src,
+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_R8G8B8A8_UNORM:
+ case PIPE_FORMAT_A8B8G8R8_UNORM:
{
- uint p = ((const uint *) src)[0];
+ uint p = uc->ui;
*r = (ubyte) ((p >> 24) & 0xff);
*g = (ubyte) ((p >> 16) & 0xff);
*b = (ubyte) ((p >> 8) & 0xff);
*a = (ubyte) ((p >> 0) & 0xff);
}
return;
- case PIPE_FORMAT_R8G8B8X8_UNORM:
+ case PIPE_FORMAT_X8B8G8R8_UNORM:
{
- uint p = ((const uint *) src)[0];
+ uint p = uc->ui;
*r = (ubyte) ((p >> 24) & 0xff);
*g = (ubyte) ((p >> 16) & 0xff);
*b = (ubyte) ((p >> 8) & 0xff);
*a = (ubyte) 0xff;
}
return;
- case PIPE_FORMAT_A8R8G8B8_UNORM:
+ case PIPE_FORMAT_B8G8R8A8_UNORM:
{
- uint p = ((const uint *) src)[0];
+ uint p = uc->ui;
*r = (ubyte) ((p >> 16) & 0xff);
*g = (ubyte) ((p >> 8) & 0xff);
*b = (ubyte) ((p >> 0) & 0xff);
*a = (ubyte) ((p >> 24) & 0xff);
}
return;
- case PIPE_FORMAT_X8R8G8B8_UNORM:
+ case PIPE_FORMAT_B8G8R8X8_UNORM:
{
- uint p = ((const uint *) src)[0];
+ uint p = uc->ui;
*r = (ubyte) ((p >> 16) & 0xff);
*g = (ubyte) ((p >> 8) & 0xff);
*b = (ubyte) ((p >> 0) & 0xff);
*a = (ubyte) 0xff;
}
return;
- case PIPE_FORMAT_B8G8R8A8_UNORM:
+ case PIPE_FORMAT_A8R8G8B8_UNORM:
{
- uint p = ((const uint *) src)[0];
+ uint p = uc->ui;
*r = (ubyte) ((p >> 8) & 0xff);
*g = (ubyte) ((p >> 16) & 0xff);
*b = (ubyte) ((p >> 24) & 0xff);
*a = (ubyte) ((p >> 0) & 0xff);
}
return;
- case PIPE_FORMAT_B8G8R8X8_UNORM:
+ case PIPE_FORMAT_X8R8G8B8_UNORM:
{
- uint p = ((const uint *) src)[0];
+ uint p = uc->ui;
*r = (ubyte) ((p >> 8) & 0xff);
*g = (ubyte) ((p >> 16) & 0xff);
*b = (ubyte) ((p >> 24) & 0xff);
*a = (ubyte) 0xff;
}
return;
- case PIPE_FORMAT_R5G6B5_UNORM:
+ case PIPE_FORMAT_B5G6R5_UNORM:
{
- ushort p = ((const ushort *) src)[0];
+ ushort p = uc->us;
*r = (ubyte) (((p >> 8) & 0xf8) | ((p >> 13) & 0x7));
*g = (ubyte) (((p >> 3) & 0xfc) | ((p >> 9) & 0x3));
*b = (ubyte) (((p << 3) & 0xf8) | ((p >> 2) & 0x7));
*a = (ubyte) 0xff;
}
return;
- case PIPE_FORMAT_A1R5G5B5_UNORM:
+ case PIPE_FORMAT_B5G5R5X1_UNORM:
+ {
+ ushort p = uc->us;
+ *r = (ubyte) (((p >> 7) & 0xf8) | ((p >> 12) & 0x7));
+ *g = (ubyte) (((p >> 2) & 0xf8) | ((p >> 7) & 0x7));
+ *b = (ubyte) (((p << 3) & 0xf8) | ((p >> 2) & 0x7));
+ *a = (ubyte) 0xff;
+ }
+ return;
+ case PIPE_FORMAT_B5G5R5A1_UNORM:
{
- ushort p = ((const ushort *) src)[0];
+ ushort p = uc->us;
*r = (ubyte) (((p >> 7) & 0xf8) | ((p >> 12) & 0x7));
*g = (ubyte) (((p >> 2) & 0xf8) | ((p >> 7) & 0x7));
*b = (ubyte) (((p << 3) & 0xf8) | ((p >> 2) & 0x7));
*a = (ubyte) (0xff * (p >> 15));
}
return;
- case PIPE_FORMAT_A4R4G4B4_UNORM:
+ case PIPE_FORMAT_B4G4R4A4_UNORM:
{
- ushort p = ((const ushort *) src)[0];
+ ushort p = uc->us;
*r = (ubyte) (((p >> 4) & 0xf0) | ((p >> 8) & 0xf));
*g = (ubyte) (((p >> 0) & 0xf0) | ((p >> 4) & 0xf));
*b = (ubyte) (((p << 4) & 0xf0) | ((p >> 0) & 0xf));
return;
case PIPE_FORMAT_A8_UNORM:
{
- ubyte p = ((const ubyte *) src)[0];
+ ubyte p = uc->ub;
*r = *g = *b = (ubyte) 0xff;
*a = p;
}
return;
case PIPE_FORMAT_L8_UNORM:
{
- ubyte p = ((const ubyte *) src)[0];
+ ubyte p = uc->ub;
*r = *g = *b = p;
*a = (ubyte) 0xff;
}
return;
case PIPE_FORMAT_I8_UNORM:
{
- ubyte p = ((const ubyte *) src)[0];
+ ubyte p = uc->ub;
*r = *g = *b = *a = p;
}
return;
case PIPE_FORMAT_R32G32B32A32_FLOAT:
{
- const float *p = (const float *) src;
+ const float *p = &uc->f[0];
*r = float_to_ubyte(p[0]);
*g = float_to_ubyte(p[1]);
*b = float_to_ubyte(p[2]);
return;
case PIPE_FORMAT_R32G32B32_FLOAT:
{
- const float *p = (const float *) src;
+ const float *p = &uc->f[0];
*r = float_to_ubyte(p[0]);
*g = float_to_ubyte(p[1]);
*b = float_to_ubyte(p[2]);
case PIPE_FORMAT_R32G32_FLOAT:
{
- const float *p = (const float *) src;
+ const float *p = &uc->f[0];
*r = float_to_ubyte(p[0]);
*g = float_to_ubyte(p[1]);
*b = *a = (ubyte) 0xff;
case PIPE_FORMAT_R32_FLOAT:
{
- const float *p = (const float *) src;
+ const float *p = &uc->f[0];
*r = float_to_ubyte(p[0]);
*g = *b = *a = (ubyte) 0xff;
}
return;
- /* XXX lots more cases to add */
+ /* Handle other cases with a generic function.
+ */
default:
- debug_print_format("gallium: unhandled format in util_unpack_color_ub()",
- format);
- assert(0);
+ {
+ ubyte dst[4];
+
+ util_format_read_4ub(format, dst, 0, uc, 0, 0, 0, 1, 1);
+ *r = dst[0];
+ *g = dst[1];
+ *b = dst[2];
+ *a = dst[3];
+ }
}
}
-
/**
* Note rgba outside [0,1] will be clamped for int pixel formats.
*/
static INLINE void
-util_pack_color(const float rgba[4], enum pipe_format format, void *dest)
+util_pack_color(const float rgba[4], enum pipe_format format, union util_color *uc)
{
ubyte r = 0;
ubyte g = 0;
ubyte b = 0;
ubyte a = 0;
- if (pf_size_x(format) <= 8) {
+ if (util_format_get_component_bits(format, UTIL_FORMAT_COLORSPACE_RGB, 0) <= 8) {
/* format uses 8-bit components or less */
r = float_to_ubyte(rgba[0]);
g = float_to_ubyte(rgba[1]);
}
switch (format) {
- case PIPE_FORMAT_R8G8B8A8_UNORM:
+ case PIPE_FORMAT_A8B8G8R8_UNORM:
{
- uint *d = (uint *) dest;
- *d = (r << 24) | (g << 16) | (b << 8) | a;
+ uc->ui = (r << 24) | (g << 16) | (b << 8) | a;
}
return;
- case PIPE_FORMAT_R8G8B8X8_UNORM:
+ case PIPE_FORMAT_X8B8G8R8_UNORM:
{
- uint *d = (uint *) dest;
- *d = (r << 24) | (g << 16) | (b << 8) | 0xff;
+ uc->ui = (r << 24) | (g << 16) | (b << 8) | 0xff;
}
return;
- case PIPE_FORMAT_A8R8G8B8_UNORM:
+ case PIPE_FORMAT_B8G8R8A8_UNORM:
{
- uint *d = (uint *) dest;
- *d = (a << 24) | (r << 16) | (g << 8) | b;
+ uc->ui = (a << 24) | (r << 16) | (g << 8) | b;
}
return;
- case PIPE_FORMAT_X8R8G8B8_UNORM:
+ case PIPE_FORMAT_B8G8R8X8_UNORM:
{
- uint *d = (uint *) dest;
- *d = (0xff << 24) | (r << 16) | (g << 8) | b;
+ uc->ui = (0xff << 24) | (r << 16) | (g << 8) | b;
}
return;
- case PIPE_FORMAT_B8G8R8A8_UNORM:
+ case PIPE_FORMAT_A8R8G8B8_UNORM:
{
- uint *d = (uint *) dest;
- *d = (b << 24) | (g << 16) | (r << 8) | a;
+ uc->ui = (b << 24) | (g << 16) | (r << 8) | a;
}
return;
- case PIPE_FORMAT_B8G8R8X8_UNORM:
+ case PIPE_FORMAT_X8R8G8B8_UNORM:
+ {
+ uc->ui = (b << 24) | (g << 16) | (r << 8) | 0xff;
+ }
+ return;
+ case PIPE_FORMAT_B5G6R5_UNORM:
{
- uint *d = (uint *) dest;
- *d = (b << 24) | (g << 16) | (r << 8) | 0xff;
+ uc->us = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | (b >> 3);
}
return;
- case PIPE_FORMAT_R5G6B5_UNORM:
+ case PIPE_FORMAT_B5G5R5X1_UNORM:
{
- ushort *d = (ushort *) dest;
- *d = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | (b >> 3);
+ uc->us = ((0x80) << 8) | ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | (b >> 3);
}
return;
- case PIPE_FORMAT_A1R5G5B5_UNORM:
+ case PIPE_FORMAT_B5G5R5A1_UNORM:
{
- ushort *d = (ushort *) dest;
- *d = ((a & 0x80) << 8) | ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | (b >> 3);
+ uc->us = ((a & 0x80) << 8) | ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | (b >> 3);
}
return;
- case PIPE_FORMAT_A4R4G4B4_UNORM:
+ case PIPE_FORMAT_B4G4R4A4_UNORM:
{
- ushort *d = (ushort *) dest;
- *d = ((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:
{
- ubyte *d = (ubyte *) dest;
- *d = a;
+ uc->ub = a;
}
return;
case PIPE_FORMAT_L8_UNORM:
case PIPE_FORMAT_I8_UNORM:
{
- ubyte *d = (ubyte *) dest;
- *d = r;
+ uc->ub = r;
}
return;
case PIPE_FORMAT_R32G32B32A32_FLOAT:
{
- float *d = (float *) dest;
- d[0] = rgba[0];
- d[1] = rgba[1];
- d[2] = rgba[2];
- d[3] = rgba[3];
+ uc->f[0] = rgba[0];
+ uc->f[1] = rgba[1];
+ uc->f[2] = rgba[2];
+ uc->f[3] = rgba[3];
}
return;
case PIPE_FORMAT_R32G32B32_FLOAT:
{
- float *d = (float *) dest;
- d[0] = rgba[0];
- d[1] = rgba[1];
- d[2] = rgba[2];
+ uc->f[0] = rgba[0];
+ uc->f[1] = rgba[1];
+ uc->f[2] = rgba[2];
}
return;
- /* XXX lots more cases to add */
+
+ /* Handle other cases with a generic function.
+ */
default:
- debug_print_format("gallium: unhandled format in util_pack_color()", format);
- assert(0);
+ util_format_write_4f(format, rgba, 0, uc, 0, 0, 0, 1, 1);
}
}
+/* 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_USCALED:
+ case PIPE_FORMAT_Z24X8_UNORM:
+ return z & 0xffffff;
+ case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
+ case PIPE_FORMAT_X8Z24_UNORM:
+ return (z & 0xffffff) << 8;
+ case PIPE_FORMAT_S8_USCALED:
+ return 0;
+ default:
+ debug_print_format("gallium: unhandled format in util_pack_mask_z()", format);
+ assert(0);
+ return 0;
+ }
+}
+
+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_USCALED:
+ packed |= (uint32_t)s << 24;
+ break;
+ case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
+ packed |= s;
+ break;
+ case PIPE_FORMAT_S8_USCALED:
+ packed |= s;
+ break;
+ default:
+ break;
+ }
+
+ return packed;
+}
+
+
/**
* 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) (z * 0xffff);
case PIPE_FORMAT_Z32_UNORM:
/* special-case to avoid overflow */
if (z == 1.0)
return 0xffffffff;
- return (uint) (z * 0xffffffff);
- case PIPE_FORMAT_S8Z24_UNORM:
- case PIPE_FORMAT_X8Z24_UNORM:
+ return (uint32_t) (z * 0xffffffff);
+ case PIPE_FORMAT_Z32_FLOAT:
+ fui.f = (float)z;
+ return fui.ui;
+ case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
+ case PIPE_FORMAT_Z24X8_UNORM:
if (z == 1.0)
return 0xffffff;
- return (uint) (z * 0xffffff);
- case PIPE_FORMAT_Z24S8_UNORM:
- case PIPE_FORMAT_Z24X8_UNORM:
+ return (uint32_t) (z * 0xffffff);
+ case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
+ case PIPE_FORMAT_X8Z24_UNORM:
if (z == 1.0)
return 0xffffff00;
- return ((uint) (z * 0xffffff)) << 8;
- case PIPE_FORMAT_S8_UNORM:
+ return ((uint32_t) (z * 0xffffff)) << 8;
+ case PIPE_FORMAT_S8_USCALED:
/* this case can get it via util_pack_z_stencil() */
return 0;
default:
* 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_S8Z24_UNORM:
- packed |= s << 24;
+ case PIPE_FORMAT_Z24_UNORM_S8_USCALED:
+ packed |= (uint32_t)s << 24;
break;
- case PIPE_FORMAT_Z24S8_UNORM:
+ case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
packed |= s;
break;
- case PIPE_FORMAT_S8_UNORM:
+ case PIPE_FORMAT_S8_USCALED:
packed |= s;
break;
default:
projects / mesa.git / blobdiff