#include "../../gallium/auxiliary/util/u_format_r11g11b10f.h"
+/** Helper struct for MESA_FORMAT_Z32_FLOAT_X24S8 */
+struct z32f_x24s8
+{
+ float z;
+ uint32_t x24s8;
+};
+
+
+/* Expand 1, 2, 3, 4, 5, 6-bit values to fill 8 bits */
+
+#define EXPAND_1_8(X) ( (X) ? 0xff : 0x0 )
+
+#define EXPAND_2_8(X) ( ((X) << 6) | ((X) << 4) | ((X) << 2) | (X) )
+
+#define EXPAND_3_8(X) ( ((X) << 5) | ((X) << 2) | ((X) >> 1) )
+
+#define EXPAND_4_8(X) ( ((X) << 4) | (X) )
+
+#define EXPAND_5_8(X) ( ((X) << 3) | ((X) >> 2) )
+
+#define EXPAND_6_8(X) ( ((X) << 2) | ((X) >> 4) )
+
+
/**
* Convert an 8-bit sRGB value from non-linear space to a
* linear RGB value in [0, 1].
}
+/**********************************************************************/
+/* Unpack, returning GLfloat colors */
+/**********************************************************************/
+
typedef void (*unpack_rgba_func)(const void *src, GLfloat dst[][4], GLuint n);
}
}
+static void
+unpack_RGBX8888(const void *src, GLfloat dst[][4], GLuint n)
+{
+ const GLuint *s = ((const GLuint *) src);
+ GLuint i;
+ for (i = 0; i < n; i++) {
+ dst[i][RCOMP] = UBYTE_TO_FLOAT( (s[i] >> 24) );
+ dst[i][GCOMP] = UBYTE_TO_FLOAT( (s[i] >> 16) & 0xff );
+ dst[i][BCOMP] = UBYTE_TO_FLOAT( (s[i] >> 8) & 0xff );
+ dst[i][ACOMP] = 1.0f;
+ }
+}
+
+static void
+unpack_RGBX8888_REV(const void *src, GLfloat dst[][4], GLuint n)
+{
+ const GLuint *s = ((const GLuint *) src);
+ GLuint i;
+ for (i = 0; i < n; i++) {
+ dst[i][RCOMP] = UBYTE_TO_FLOAT( (s[i] ) & 0xff );
+ dst[i][GCOMP] = UBYTE_TO_FLOAT( (s[i] >> 8) & 0xff );
+ dst[i][BCOMP] = UBYTE_TO_FLOAT( (s[i] >> 16) & 0xff );
+ dst[i][ACOMP] = 1.0f;
+ }
+}
+
static void
unpack_XRGB8888(const void *src, GLfloat dst[][4], GLuint n)
{
const GLushort *s = ((const GLushort *) src);
GLuint i;
for (i = 0; i < n; i++) {
- dst[i][RCOMP] = UBYTE_TO_FLOAT( ((s[i] >> 7) & 0xf8) | ((s[i] >> 12) & 0x7) );
- dst[i][GCOMP] = UBYTE_TO_FLOAT( ((s[i] >> 2) & 0xf8) | ((s[i] >> 7) & 0x7) );
- dst[i][BCOMP] = UBYTE_TO_FLOAT( ((s[i] << 3) & 0xf8) | ((s[i] >> 2) & 0x7) );
- dst[i][ACOMP] = UBYTE_TO_FLOAT( ((s[i] >> 15) & 0x01) * 255 );
+ GLushort tmp = (s[i] << 8) | (s[i] >> 8); /* byteswap */
+ dst[i][RCOMP] = ((tmp >> 10) & 0x1f) * (1.0F / 31.0F);
+ dst[i][GCOMP] = ((tmp >> 5) & 0x1f) * (1.0F / 31.0F);
+ dst[i][BCOMP] = ((tmp >> 0) & 0x1f) * (1.0F / 31.0F);
+ dst[i][ACOMP] = ((tmp >> 15) & 0x01) * 1.0F;
}
}
}
static void
-unpack_RG88(const void *src, GLfloat dst[][4], GLuint n)
+unpack_GR88(const void *src, GLfloat dst[][4], GLuint n)
{
const GLushort *s = ((const GLushort *) src);
GLuint i;
}
static void
-unpack_RG88_REV(const void *src, GLfloat dst[][4], GLuint n)
+unpack_RG88(const void *src, GLfloat dst[][4], GLuint n)
{
const GLushort *s = ((const GLushort *) src);
GLuint i;
for (i = 0; i < n; i++) {
- dst[i][RCOMP] = UBYTE_TO_FLOAT( s[i] & 0xff );
- dst[i][GCOMP] = UBYTE_TO_FLOAT( s[i] >> 8 );
+ dst[i][RCOMP] = UBYTE_TO_FLOAT( s[i] >> 8 );
+ dst[i][GCOMP] = UBYTE_TO_FLOAT( s[i] & 0xff );
dst[i][BCOMP] = 0.0;
dst[i][ACOMP] = 1.0;
}
}
+static void
+unpack_ABGR2101010_UINT(const void *src, GLfloat dst[][4], GLuint n)
+{
+ const GLuint *s = ((const GLuint *) src);
+ GLuint i;
+ for (i = 0; i < n; i++) {
+ dst[i][RCOMP] = (GLfloat)((s[i] >> 0) & 0x3ff);
+ dst[i][GCOMP] = (GLfloat)((s[i] >> 10) & 0x3ff);
+ dst[i][BCOMP] = (GLfloat)((s[i] >> 20) & 0x3ff);
+ dst[i][ACOMP] = (GLfloat)((s[i] >> 30) & 0x03);
+ }
+}
+
+
static void
unpack_Z24_S8(const void *src, GLfloat dst[][4], GLuint n)
{
/* only return Z, not stencil data */
const GLuint *s = ((const GLuint *) src);
- const GLfloat scale = 1.0F / (GLfloat) 0xffffff;
+ const GLdouble scale = 1.0 / (GLdouble) 0xffffff;
GLuint i;
for (i = 0; i < n; i++) {
dst[i][0] =
{
/* only return Z, not stencil data */
const GLuint *s = ((const GLuint *) src);
- const GLfloat scale = 1.0F / (GLfloat) 0xffffff;
+ const GLdouble scale = 1.0 / (GLdouble) 0xffffff;
GLuint i;
for (i = 0; i < n; i++) {
dst[i][0] =
for (i = 0; i < n; i++) {
dst[i][0] =
dst[i][1] =
- dst[i][2] = s[i];
+ dst[i][2] = s[i * 2];
dst[i][3] = 1.0F;
}
}
static void
unpack_SLA8(const void *src, GLfloat dst[][4], GLuint n)
{
- const GLubyte *s = (const GLubyte *) src;
+ const GLushort *s = (const GLushort *) src;
GLuint i;
for (i = 0; i < n; i++) {
dst[i][RCOMP] =
dst[i][GCOMP] =
- dst[i][BCOMP] = nonlinear_to_linear(s[i*2+0]);
- dst[i][ACOMP] = UBYTE_TO_FLOAT(s[i*2+1]); /* linear! */
+ dst[i][BCOMP] = nonlinear_to_linear(s[i] & 0xff);
+ dst[i][ACOMP] = UBYTE_TO_FLOAT(s[i] >> 8); /* linear! */
}
}
dst[i][RCOMP] =
dst[i][GCOMP] =
dst[i][BCOMP] =
- dst[i][ACOMP] = s[i];
+ dst[i][ACOMP] = _mesa_half_to_float(s[i]);
}
}
const GLuint *s = ((const GLuint *) src);
GLuint i;
for (i = 0; i < n; i++) {
- dst[i][RCOMP] = SHORT_TO_FLOAT_TEX( s[i] & 0xffff );
- dst[i][GCOMP] = SHORT_TO_FLOAT_TEX( s[i] >> 16 );
+ dst[i][RCOMP] = SHORT_TO_FLOAT_TEX( (GLshort) (s[i] & 0xffff) );
+ dst[i][GCOMP] = SHORT_TO_FLOAT_TEX( (GLshort) (s[i] >> 16) );
dst[i][BCOMP] = 0.0F;
dst[i][ACOMP] = 1.0F;
}
/* XXX to do */
}
+static void
+unpack_ETC1_RGB8(const void *src, GLfloat dst[][4], GLuint n)
+{
+ /* XXX to do */
+}
+
static void
unpack_SIGNED_A8(const void *src, GLfloat dst[][4], GLuint n)
{
table[MESA_FORMAT_RGBA8888_REV] = unpack_RGBA8888_REV;
table[MESA_FORMAT_ARGB8888] = unpack_ARGB8888;
table[MESA_FORMAT_ARGB8888_REV] = unpack_ARGB8888_REV;
+ table[MESA_FORMAT_RGBX8888] = unpack_RGBX8888;
+ table[MESA_FORMAT_RGBX8888_REV] = unpack_RGBX8888_REV;
table[MESA_FORMAT_XRGB8888] = unpack_XRGB8888;
table[MESA_FORMAT_XRGB8888_REV] = unpack_XRGB8888_REV;
table[MESA_FORMAT_RGB888] = unpack_RGB888;
table[MESA_FORMAT_YCBCR] = unpack_YCBCR;
table[MESA_FORMAT_YCBCR_REV] = unpack_YCBCR_REV;
table[MESA_FORMAT_R8] = unpack_R8;
+ table[MESA_FORMAT_GR88] = unpack_GR88;
table[MESA_FORMAT_RG88] = unpack_RG88;
- table[MESA_FORMAT_RG88_REV] = unpack_RG88_REV;
table[MESA_FORMAT_R16] = unpack_R16;
table[MESA_FORMAT_RG1616] = unpack_RG1616;
table[MESA_FORMAT_RG1616_REV] = unpack_RG1616_REV;
table[MESA_FORMAT_ARGB2101010] = unpack_ARGB2101010;
+ table[MESA_FORMAT_ABGR2101010_UINT] = unpack_ABGR2101010_UINT;
table[MESA_FORMAT_Z24_S8] = unpack_Z24_S8;
table[MESA_FORMAT_S8_Z24] = unpack_S8_Z24;
table[MESA_FORMAT_Z16] = unpack_Z16;
table[MESA_FORMAT_LA_LATC2] = unpack_LA_LATC2;
table[MESA_FORMAT_SIGNED_LA_LATC2] = unpack_SIGNED_LA_LATC2;
+ table[MESA_FORMAT_ETC1_RGB8] = unpack_ETC1_RGB8;
+
table[MESA_FORMAT_SIGNED_A8] = unpack_SIGNED_A8;
table[MESA_FORMAT_SIGNED_L8] = unpack_SIGNED_L8;
table[MESA_FORMAT_SIGNED_AL88] = unpack_SIGNED_AL88;
initialized = GL_TRUE;
}
+ if (table[format] == NULL) {
+ _mesa_problem(NULL, "unsupported unpack for format %s",
+ _mesa_get_format_name(format));
+ }
+
return table[format];
}
+/**
+ * Unpack rgba colors, returning as GLfloat values.
+ */
void
_mesa_unpack_rgba_row(gl_format format, GLuint n,
const void *src, GLfloat dst[][4])
unpack(src, dst, n);
}
+
+/**********************************************************************/
+/* Unpack, returning GLubyte colors */
+/**********************************************************************/
+
+
static void
-unpack_int_rgba_RGBA_UINT32(const GLuint *src, GLuint dst[][4], GLuint n)
+unpack_ubyte_RGBA8888(const void *src, GLubyte dst[][4], GLuint n)
{
- memcpy(dst, src, n * 4 * sizeof(GLuint));
+ const GLuint *s = ((const GLuint *) src);
+ GLuint i;
+ for (i = 0; i < n; i++) {
+ dst[i][RCOMP] = (s[i] >> 24);
+ dst[i][GCOMP] = (s[i] >> 16) & 0xff;
+ dst[i][BCOMP] = (s[i] >> 8) & 0xff;
+ dst[i][ACOMP] = (s[i] ) & 0xff;
+ }
}
static void
-unpack_int_rgba_RGB_UINT32(const GLuint *src, GLuint dst[][4], GLuint n)
+unpack_ubyte_RGBA8888_REV(const void *src, GLubyte dst[][4], GLuint n)
{
- unsigned int i;
-
+ const GLuint *s = ((const GLuint *) src);
+ GLuint i;
for (i = 0; i < n; i++) {
- dst[i][0] = src[i * 3 + 0];
- dst[i][1] = src[i * 3 + 1];
- dst[i][2] = src[i * 3 + 2];
- dst[i][3] = 1;
+ dst[i][RCOMP] = (s[i] ) & 0xff;
+ dst[i][GCOMP] = (s[i] >> 8) & 0xff;
+ dst[i][BCOMP] = (s[i] >> 16) & 0xff;
+ dst[i][ACOMP] = (s[i] >> 24);
}
}
static void
-unpack_int_rgba_RG_UINT32(const GLuint *src, GLuint dst[][4], GLuint n)
+unpack_ubyte_ARGB8888(const void *src, GLubyte dst[][4], GLuint n)
{
- unsigned int i;
-
+ const GLuint *s = ((const GLuint *) src);
+ GLuint i;
for (i = 0; i < n; i++) {
- dst[i][0] = src[i * 2 + 0];
- dst[i][1] = src[i * 2 + 1];
- dst[i][2] = 0;
- dst[i][3] = 1;
+ dst[i][RCOMP] = (s[i] >> 16) & 0xff;
+ dst[i][GCOMP] = (s[i] >> 8) & 0xff;
+ dst[i][BCOMP] = (s[i] ) & 0xff;
+ dst[i][ACOMP] = (s[i] >> 24);
}
}
static void
-unpack_int_rgba_R_UINT32(const GLuint *src, GLuint dst[][4], GLuint n)
+unpack_ubyte_ARGB8888_REV(const void *src, GLubyte dst[][4], GLuint n)
{
- unsigned int i;
-
+ const GLuint *s = ((const GLuint *) src);
+ GLuint i;
for (i = 0; i < n; i++) {
- dst[i][0] = src[i];
- dst[i][1] = 0;
- dst[i][2] = 0;
- dst[i][3] = 1;
+ dst[i][RCOMP] = (s[i] >> 8) & 0xff;
+ dst[i][GCOMP] = (s[i] >> 16) & 0xff;
+ dst[i][BCOMP] = (s[i] >> 24);
+ dst[i][ACOMP] = (s[i] ) & 0xff;
}
}
static void
-unpack_int_rgba_LUMINANCE_UINT32(const GLuint *src, GLuint dst[][4], GLuint n)
+unpack_ubyte_RGBX8888(const void *src, GLubyte dst[][4], GLuint n)
{
- unsigned int i;
-
+ const GLuint *s = ((const GLuint *) src);
+ GLuint i;
for (i = 0; i < n; i++) {
- dst[i][0] = dst[i][1] = dst[i][2] = src[i];
- dst[i][3] = 1;
+ dst[i][RCOMP] = (s[i] >> 24);
+ dst[i][GCOMP] = (s[i] >> 16) & 0xff;
+ dst[i][BCOMP] = (s[i] >> 8) & 0xff;
+ dst[i][ACOMP] = 0xff;
}
}
static void
-unpack_int_rgba_LUMINANCE_ALPHA_UINT32(const GLuint *src, GLuint dst[][4], GLuint n)
+unpack_ubyte_RGBX8888_REV(const void *src, GLubyte dst[][4], GLuint n)
{
- unsigned int i;
-
+ const GLuint *s = ((const GLuint *) src);
+ GLuint i;
for (i = 0; i < n; i++) {
- dst[i][0] = dst[i][1] = dst[i][2] = src[i * 2 + 0];
- dst[i][3] = src[i * 2 + 1];
+ dst[i][RCOMP] = (s[i] ) & 0xff;
+ dst[i][GCOMP] = (s[i] >> 8) & 0xff;
+ dst[i][BCOMP] = (s[i] >> 16) & 0xff;
+ dst[i][ACOMP] = 0xff;
}
}
static void
-unpack_int_rgba_INTENSITY_UINT32(const GLuint *src, GLuint dst[][4], GLuint n)
+unpack_ubyte_XRGB8888(const void *src, GLubyte dst[][4], GLuint n)
{
- unsigned int i;
-
+ const GLuint *s = ((const GLuint *) src);
+ GLuint i;
for (i = 0; i < n; i++) {
- dst[i][0] = dst[i][1] = dst[i][2] = dst[i][3] = src[i];
+ dst[i][RCOMP] = (s[i] >> 16) & 0xff;
+ dst[i][GCOMP] = (s[i] >> 8) & 0xff;
+ dst[i][BCOMP] = (s[i] ) & 0xff;
+ dst[i][ACOMP] = 0xff;
}
}
-void
-_mesa_unpack_int_rgba_row(gl_format format, GLuint n,
- const void *src, GLuint dst[][4])
+static void
+unpack_ubyte_XRGB8888_REV(const void *src, GLubyte dst[][4], GLuint n)
{
- switch (format) {
- /* Since there won't be any sign extension happening, there's no need to
- * make separate paths for 32-bit-to-32-bit integer unpack.
- */
- case MESA_FORMAT_RGBA_UINT32:
- case MESA_FORMAT_RGBA_INT32:
- unpack_int_rgba_RGBA_UINT32(src, dst, n);
- break;
- case MESA_FORMAT_RGB_UINT32:
- case MESA_FORMAT_RGB_INT32:
- unpack_int_rgba_RGB_UINT32(src, dst, n);
- break;
- case MESA_FORMAT_RG_UINT32:
- case MESA_FORMAT_RG_INT32:
- unpack_int_rgba_RG_UINT32(src, dst, n);
- break;
- case MESA_FORMAT_R_UINT32:
- case MESA_FORMAT_R_INT32:
- unpack_int_rgba_R_UINT32(src, dst, n);
- break;
-
- case MESA_FORMAT_LUMINANCE_UINT32:
- case MESA_FORMAT_LUMINANCE_INT32:
- unpack_int_rgba_LUMINANCE_UINT32(src, dst, n);
- break;
- case MESA_FORMAT_LUMINANCE_ALPHA_UINT32:
- case MESA_FORMAT_LUMINANCE_ALPHA_INT32:
- unpack_int_rgba_LUMINANCE_ALPHA_UINT32(src, dst, n);
- break;
- case MESA_FORMAT_INTENSITY_UINT32:
- case MESA_FORMAT_INTENSITY_INT32:
- unpack_int_rgba_INTENSITY_UINT32(src, dst, n);
- break;
-
- default:
- _mesa_problem(NULL, "%s: bad format %s", __FUNCTION__,
- _mesa_get_format_name(format));
- return;
+ const GLuint *s = ((const GLuint *) src);
+ GLuint i;
+ for (i = 0; i < n; i++) {
+ dst[i][RCOMP] = (s[i] >> 8) & 0xff;
+ dst[i][GCOMP] = (s[i] >> 16) & 0xff;
+ dst[i][BCOMP] = (s[i] >> 24);
+ dst[i][ACOMP] = 0xff;
}
}
-/**
- * Unpack a 2D rect of pixels returning float RGBA colors.
- * \param format the source image format
- * \param src start address of the source image
- * \param srcRowStride source image row stride in bytes
- * \param dst start address of the dest image
- * \param dstRowStride dest image row stride in bytes
- * \param x source image start X pos
- * \param y source image start Y pos
- * \param width width of rect region to convert
- * \param height height of rect region to convert
- */
-void
-_mesa_unpack_rgba_block(gl_format format,
- const void *src, GLint srcRowStride,
- GLfloat dst[][4], GLint dstRowStride,
- GLuint x, GLuint y, GLuint width, GLuint height)
+static void
+unpack_ubyte_RGB888(const void *src, GLubyte dst[][4], GLuint n)
{
- unpack_rgba_func unpack = get_unpack_rgba_function(format);
- const GLuint srcPixStride = _mesa_get_format_bytes(format);
- const GLuint dstPixStride = 4 * sizeof(GLfloat);
- const GLubyte *srcRow;
- GLubyte *dstRow;
+ const GLubyte *s = (const GLubyte *) src;
GLuint i;
-
- /* XXX needs to be fixed for compressed formats */
-
- srcRow = ((const GLubyte *) src) + srcRowStride * y + srcPixStride * x;
- dstRow = ((GLubyte *) dst) + dstRowStride * y + dstPixStride * x;
-
- for (i = 0; i < height; i++) {
- unpack(srcRow, (GLfloat (*)[4]) dstRow, width);
-
- dstRow += dstRowStride;
- srcRow += srcRowStride;
+ for (i = 0; i < n; i++) {
+ dst[i][RCOMP] = s[i*3+2];
+ dst[i][GCOMP] = s[i*3+1];
+ dst[i][BCOMP] = s[i*3+0];
+ dst[i][ACOMP] = 0xff;
}
}
-
-
-
-typedef void (*unpack_float_z_func)(GLuint n, const void *src, GLfloat *dst);
-
static void
-unpack_float_z_Z24_X8(GLuint n, const void *src, GLfloat *dst)
+unpack_ubyte_BGR888(const void *src, GLubyte dst[][4], GLuint n)
{
- /* only return Z, not stencil data */
- const GLuint *s = ((const GLuint *) src);
- const GLfloat scale = 1.0F / (GLfloat) 0xffffff;
+ const GLubyte *s = (const GLubyte *) src;
GLuint i;
for (i = 0; i < n; i++) {
- dst[i] = (s[i] >> 8) * scale;
- ASSERT(dst[i] >= 0.0F);
- ASSERT(dst[i] <= 1.0F);
+ dst[i][RCOMP] = s[i*3+0];
+ dst[i][GCOMP] = s[i*3+1];
+ dst[i][BCOMP] = s[i*3+2];
+ dst[i][ACOMP] = 0xff;
}
}
static void
-unpack_float_z_X8_Z24(GLuint n, const void *src, GLfloat *dst)
+unpack_ubyte_RGB565(const void *src, GLubyte dst[][4], GLuint n)
{
- /* only return Z, not stencil data */
- const GLuint *s = ((const GLuint *) src);
- const GLfloat scale = 1.0F / (GLfloat) 0xffffff;
+ const GLushort *s = ((const GLushort *) src);
GLuint i;
for (i = 0; i < n; i++) {
- dst[i] = (s[i] & 0x00ffffff) * scale;
- ASSERT(dst[i] >= 0.0F);
- ASSERT(dst[i] <= 1.0F);
+ dst[i][RCOMP] = EXPAND_5_8((s[i] >> 11) & 0x1f);
+ dst[i][GCOMP] = EXPAND_6_8((s[i] >> 5 ) & 0x3f);
+ dst[i][BCOMP] = EXPAND_5_8( s[i] & 0x1f);
+ dst[i][ACOMP] = 0xff;
}
}
static void
-unpack_float_z_Z16(GLuint n, const void *src, GLfloat *dst)
+unpack_ubyte_RGB565_REV(const void *src, GLubyte dst[][4], GLuint n)
{
const GLushort *s = ((const GLushort *) src);
GLuint i;
for (i = 0; i < n; i++) {
- dst[i] = s[i] * (1.0F / 65535.0F);
+ GLuint t = (s[i] >> 8) | (s[i] << 8); /* byte swap */
+ dst[i][RCOMP] = EXPAND_5_8((t >> 11) & 0x1f);
+ dst[i][GCOMP] = EXPAND_6_8((t >> 5 ) & 0x3f);
+ dst[i][BCOMP] = EXPAND_5_8( t & 0x1f);
+ dst[i][ACOMP] = 0xff;
}
}
static void
-unpack_float_z_Z32(GLuint n, const void *src, GLfloat *dst)
+unpack_ubyte_ARGB4444(const void *src, GLubyte dst[][4], GLuint n)
{
- const GLuint *s = ((const GLuint *) src);
+ const GLushort *s = ((const GLushort *) src);
GLuint i;
for (i = 0; i < n; i++) {
- dst[i] = s[i] * (1.0F / 0xffffffff);
+ dst[i][RCOMP] = EXPAND_4_8((s[i] >> 8) & 0xf);
+ dst[i][GCOMP] = EXPAND_4_8((s[i] >> 4) & 0xf);
+ dst[i][BCOMP] = EXPAND_4_8((s[i] ) & 0xf);
+ dst[i][ACOMP] = EXPAND_4_8((s[i] >> 12) & 0xf);
}
}
static void
-unpack_float_z_Z32X24S8(GLuint n, const void *src, GLfloat *dst)
+unpack_ubyte_ARGB4444_REV(const void *src, GLubyte dst[][4], GLuint n)
{
- const GLfloat *s = ((const GLfloat *) src);
+ const GLushort *s = ((const GLushort *) src);
GLuint i;
for (i = 0; i < n; i++) {
- dst[i] = s[i * 2];
+ dst[i][RCOMP] = EXPAND_4_8((s[i] ) & 0xf);
+ dst[i][GCOMP] = EXPAND_4_8((s[i] >> 12) & 0xf);
+ dst[i][BCOMP] = EXPAND_4_8((s[i] >> 8) & 0xf);
+ dst[i][ACOMP] = EXPAND_4_8((s[i] >> 4) & 0xf);
}
}
+static void
+unpack_ubyte_RGBA5551(const void *src, GLubyte dst[][4], GLuint n)
+{
+ const GLushort *s = ((const GLushort *) src);
+ GLuint i;
+ for (i = 0; i < n; i++) {
+ dst[i][RCOMP] = EXPAND_5_8((s[i] >> 11) & 0x1f);
+ dst[i][GCOMP] = EXPAND_5_8((s[i] >> 6) & 0x1f);
+ dst[i][BCOMP] = EXPAND_5_8((s[i] >> 1) & 0x1f);
+ dst[i][ACOMP] = EXPAND_1_8((s[i] ) & 0x01);
+ }
+}
-
-void
-_mesa_unpack_float_z_row(gl_format format, GLuint n,
- const void *src, GLfloat *dst)
+static void
+unpack_ubyte_ARGB1555(const void *src, GLubyte dst[][4], GLuint n)
{
- unpack_float_z_func unpack;
+ const GLushort *s = ((const GLushort *) src);
+ GLuint i;
+ for (i = 0; i < n; i++) {
+ dst[i][RCOMP] = EXPAND_5_8((s[i] >> 10) & 0x1f);
+ dst[i][GCOMP] = EXPAND_5_8((s[i] >> 5) & 0x1f);
+ dst[i][BCOMP] = EXPAND_5_8((s[i] >> 0) & 0x1f);
+ dst[i][ACOMP] = EXPAND_1_8((s[i] >> 15) & 0x01);
+ }
+}
- switch (format) {
- case MESA_FORMAT_Z24_S8:
- case MESA_FORMAT_Z24_X8:
- unpack = unpack_float_z_Z24_X8;
- break;
+static void
+unpack_ubyte_ARGB1555_REV(const void *src, GLubyte dst[][4], GLuint n)
+{
+ const GLushort *s = ((const GLushort *) src);
+ GLuint i;
+ for (i = 0; i < n; i++) {
+ GLushort tmp = (s[i] << 8) | (s[i] >> 8); /* byteswap */
+ dst[i][RCOMP] = EXPAND_5_8((tmp >> 10) & 0x1f);
+ dst[i][GCOMP] = EXPAND_5_8((tmp >> 5) & 0x1f);
+ dst[i][BCOMP] = EXPAND_5_8((tmp >> 0) & 0x1f);
+ dst[i][ACOMP] = EXPAND_1_8((tmp >> 15) & 0x01);
+ }
+}
+
+static void
+unpack_ubyte_AL44(const void *src, GLubyte dst[][4], GLuint n)
+{
+ const GLubyte *s = ((const GLubyte *) src);
+ GLuint i;
+ for (i = 0; i < n; i++) {
+ dst[i][RCOMP] =
+ dst[i][GCOMP] =
+ dst[i][BCOMP] = EXPAND_4_8(s[i] & 0xf);
+ dst[i][ACOMP] = EXPAND_4_8(s[i] >> 4);
+ }
+}
+
+static void
+unpack_ubyte_AL88(const void *src, GLubyte dst[][4], GLuint n)
+{
+ const GLushort *s = ((const GLushort *) src);
+ GLuint i;
+ for (i = 0; i < n; i++) {
+ dst[i][RCOMP] =
+ dst[i][GCOMP] =
+ dst[i][BCOMP] = EXPAND_4_8(s[i] & 0xff);
+ dst[i][ACOMP] = EXPAND_4_8(s[i] >> 8);
+ }
+}
+
+static void
+unpack_ubyte_AL88_REV(const void *src, GLubyte dst[][4], GLuint n)
+{
+ const GLushort *s = ((const GLushort *) src);
+ GLuint i;
+ for (i = 0; i < n; i++) {
+ dst[i][RCOMP] =
+ dst[i][GCOMP] =
+ dst[i][BCOMP] = EXPAND_4_8(s[i] >> 8);
+ dst[i][ACOMP] = EXPAND_4_8(s[i] & 0xff);
+ }
+}
+
+static void
+unpack_ubyte_RGB332(const void *src, GLubyte dst[][4], GLuint n)
+{
+ const GLubyte *s = ((const GLubyte *) src);
+ GLuint i;
+ for (i = 0; i < n; i++) {
+ dst[i][RCOMP] = EXPAND_3_8((s[i] >> 5) & 0x7);
+ dst[i][GCOMP] = EXPAND_3_8((s[i] >> 2) & 0x7);
+ dst[i][BCOMP] = EXPAND_2_8((s[i] ) & 0x3);
+ dst[i][ACOMP] = 0xff;
+ }
+}
+
+static void
+unpack_ubyte_A8(const void *src, GLubyte dst[][4], GLuint n)
+{
+ const GLubyte *s = ((const GLubyte *) src);
+ GLuint i;
+ for (i = 0; i < n; i++) {
+ dst[i][RCOMP] =
+ dst[i][GCOMP] =
+ dst[i][BCOMP] = 0;
+ dst[i][ACOMP] = s[i];
+ }
+}
+
+static void
+unpack_ubyte_L8(const void *src, GLubyte dst[][4], GLuint n)
+{
+ const GLubyte *s = ((const GLubyte *) src);
+ GLuint i;
+ for (i = 0; i < n; i++) {
+ dst[i][RCOMP] =
+ dst[i][GCOMP] =
+ dst[i][BCOMP] = s[i];
+ dst[i][ACOMP] = 0xff;
+ }
+}
+
+
+static void
+unpack_ubyte_I8(const void *src, GLubyte dst[][4], GLuint n)
+{
+ const GLubyte *s = ((const GLubyte *) src);
+ GLuint i;
+ for (i = 0; i < n; i++) {
+ dst[i][RCOMP] =
+ dst[i][GCOMP] =
+ dst[i][BCOMP] =
+ dst[i][ACOMP] = s[i];
+ }
+}
+
+static void
+unpack_ubyte_R8(const void *src, GLubyte dst[][4], GLuint n)
+{
+ const GLubyte *s = ((const GLubyte *) src);
+ GLuint i;
+ for (i = 0; i < n; i++) {
+ dst[i][0] = s[i];
+ dst[i][1] =
+ dst[i][2] = 0;
+ dst[i][3] = 0xff;
+ }
+}
+
+static void
+unpack_ubyte_GR88(const void *src, GLubyte dst[][4], GLuint n)
+{
+ const GLushort *s = ((const GLushort *) src);
+ GLuint i;
+ for (i = 0; i < n; i++) {
+ dst[i][RCOMP] = s[i] & 0xff;
+ dst[i][GCOMP] = s[i] >> 8;
+ dst[i][BCOMP] = 0;
+ dst[i][ACOMP] = 0xff;
+ }
+}
+
+static void
+unpack_ubyte_RG88(const void *src, GLubyte dst[][4], GLuint n)
+{
+ const GLushort *s = ((const GLushort *) src);
+ GLuint i;
+ for (i = 0; i < n; i++) {
+ dst[i][RCOMP] = s[i] >> 8;
+ dst[i][GCOMP] = s[i] & 0xff;
+ dst[i][BCOMP] = 0;
+ dst[i][ACOMP] = 0xff;
+ }
+}
+
+
+/**
+ * Unpack rgba colors, returning as GLubyte values. This should usually
+ * only be used for unpacking formats that use 8 bits or less per channel.
+ */
+void
+_mesa_unpack_ubyte_rgba_row(gl_format format, GLuint n,
+ const void *src, GLubyte dst[][4])
+{
+ switch (format) {
+ case MESA_FORMAT_RGBA8888:
+ unpack_ubyte_RGBA8888(src, dst, n);
+ break;
+ case MESA_FORMAT_RGBA8888_REV:
+ unpack_ubyte_RGBA8888_REV(src, dst, n);
+ break;
+ case MESA_FORMAT_ARGB8888:
+ unpack_ubyte_ARGB8888(src, dst, n);
+ break;
+ case MESA_FORMAT_ARGB8888_REV:
+ unpack_ubyte_ARGB8888_REV(src, dst, n);
+ break;
+ case MESA_FORMAT_RGBX8888:
+ unpack_ubyte_RGBX8888(src, dst, n);
+ break;
+ case MESA_FORMAT_RGBX8888_REV:
+ unpack_ubyte_RGBX8888_REV(src, dst, n);
+ break;
+ case MESA_FORMAT_XRGB8888:
+ unpack_ubyte_XRGB8888(src, dst, n);
+ break;
+ case MESA_FORMAT_XRGB8888_REV:
+ unpack_ubyte_XRGB8888_REV(src, dst, n);
+ break;
+ case MESA_FORMAT_RGB888:
+ unpack_ubyte_RGB888(src, dst, n);
+ break;
+ case MESA_FORMAT_BGR888:
+ unpack_ubyte_BGR888(src, dst, n);
+ break;
+ case MESA_FORMAT_RGB565:
+ unpack_ubyte_RGB565(src, dst, n);
+ break;
+ case MESA_FORMAT_RGB565_REV:
+ unpack_ubyte_RGB565_REV(src, dst, n);
+ break;
+ case MESA_FORMAT_ARGB4444:
+ unpack_ubyte_ARGB4444(src, dst, n);
+ break;
+ case MESA_FORMAT_ARGB4444_REV:
+ unpack_ubyte_ARGB4444_REV(src, dst, n);
+ break;
+ case MESA_FORMAT_RGBA5551:
+ unpack_ubyte_RGBA5551(src, dst, n);
+ break;
+ case MESA_FORMAT_ARGB1555:
+ unpack_ubyte_ARGB1555(src, dst, n);
+ break;
+ case MESA_FORMAT_ARGB1555_REV:
+ unpack_ubyte_ARGB1555_REV(src, dst, n);
+ break;
+ case MESA_FORMAT_AL44:
+ unpack_ubyte_AL44(src, dst, n);
+ break;
+ case MESA_FORMAT_AL88:
+ unpack_ubyte_AL88(src, dst, n);
+ break;
+ case MESA_FORMAT_AL88_REV:
+ unpack_ubyte_AL88_REV(src, dst, n);
+ break;
+ case MESA_FORMAT_RGB332:
+ unpack_ubyte_RGB332(src, dst, n);
+ break;
+ case MESA_FORMAT_A8:
+ unpack_ubyte_A8(src, dst, n);
+ break;
+ case MESA_FORMAT_L8:
+ unpack_ubyte_L8(src, dst, n);
+ break;
+ case MESA_FORMAT_I8:
+ unpack_ubyte_I8(src, dst, n);
+ break;
+ case MESA_FORMAT_R8:
+ unpack_ubyte_R8(src, dst, n);
+ break;
+ case MESA_FORMAT_GR88:
+ unpack_ubyte_GR88(src, dst, n);
+ break;
+ case MESA_FORMAT_RG88:
+ unpack_ubyte_RG88(src, dst, n);
+ break;
+ default:
+ /* get float values, convert to ubyte */
+ {
+ GLfloat *tmp = malloc(n * 4 * sizeof(GLfloat));
+ if (tmp) {
+ GLuint i;
+ _mesa_unpack_rgba_row(format, n, src, (GLfloat (*)[4]) tmp);
+ for (i = 0; i < n; i++) {
+ UNCLAMPED_FLOAT_TO_UBYTE(dst[i][0], tmp[i*4+0]);
+ UNCLAMPED_FLOAT_TO_UBYTE(dst[i][1], tmp[i*4+1]);
+ UNCLAMPED_FLOAT_TO_UBYTE(dst[i][2], tmp[i*4+2]);
+ UNCLAMPED_FLOAT_TO_UBYTE(dst[i][3], tmp[i*4+3]);
+ }
+ free(tmp);
+ }
+ }
+ break;
+ }
+}
+
+
+/**********************************************************************/
+/* Unpack, returning GLuint colors */
+/**********************************************************************/
+
+static void
+unpack_int_rgba_RGBA_UINT32(const GLuint *src, GLuint dst[][4], GLuint n)
+{
+ memcpy(dst, src, n * 4 * sizeof(GLuint));
+}
+
+static void
+unpack_int_rgba_RGBA_UINT16(const GLushort *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][0] = src[i * 4 + 0];
+ dst[i][1] = src[i * 4 + 1];
+ dst[i][2] = src[i * 4 + 2];
+ dst[i][3] = src[i * 4 + 3];
+ }
+}
+
+static void
+unpack_int_rgba_RGBA_INT16(const GLshort *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][0] = src[i * 4 + 0];
+ dst[i][1] = src[i * 4 + 1];
+ dst[i][2] = src[i * 4 + 2];
+ dst[i][3] = src[i * 4 + 3];
+ }
+}
+
+static void
+unpack_int_rgba_RGBA_UINT8(const GLubyte *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][0] = src[i * 4 + 0];
+ dst[i][1] = src[i * 4 + 1];
+ dst[i][2] = src[i * 4 + 2];
+ dst[i][3] = src[i * 4 + 3];
+ }
+}
+
+static void
+unpack_int_rgba_RGBA_INT8(const GLbyte *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][0] = src[i * 4 + 0];
+ dst[i][1] = src[i * 4 + 1];
+ dst[i][2] = src[i * 4 + 2];
+ dst[i][3] = src[i * 4 + 3];
+ }
+}
+
+static void
+unpack_int_rgba_ARGB8888(const GLbyte *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][RCOMP] = (GLubyte) src[i * 4 + 2];
+ dst[i][GCOMP] = (GLubyte) src[i * 4 + 1];
+ dst[i][BCOMP] = (GLubyte) src[i * 4 + 0];
+ dst[i][ACOMP] = (GLubyte) src[i * 4 + 3];
+ }
+}
+
+static void
+unpack_int_rgba_XRGB8888(const GLbyte *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][RCOMP] = (GLubyte) src[i * 4 + 2];
+ dst[i][GCOMP] = (GLubyte) src[i * 4 + 1];
+ dst[i][BCOMP] = (GLubyte) src[i * 4 + 0];
+ dst[i][ACOMP] = (GLubyte) 0xff;
+ }
+}
+
+static void
+unpack_int_rgba_RGB_UINT32(const GLuint *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][0] = src[i * 3 + 0];
+ dst[i][1] = src[i * 3 + 1];
+ dst[i][2] = src[i * 3 + 2];
+ dst[i][3] = 1;
+ }
+}
+
+static void
+unpack_int_rgba_RGB_UINT16(const GLushort *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][0] = src[i * 3 + 0];
+ dst[i][1] = src[i * 3 + 1];
+ dst[i][2] = src[i * 3 + 2];
+ dst[i][3] = 1;
+ }
+}
+
+static void
+unpack_int_rgba_RGB_INT16(const GLshort *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][0] = src[i * 3 + 0];
+ dst[i][1] = src[i * 3 + 1];
+ dst[i][2] = src[i * 3 + 2];
+ dst[i][3] = 1;
+ }
+}
+
+static void
+unpack_int_rgba_RGB_UINT8(const GLubyte *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][0] = src[i * 3 + 0];
+ dst[i][1] = src[i * 3 + 1];
+ dst[i][2] = src[i * 3 + 2];
+ dst[i][3] = 1;
+ }
+}
+
+static void
+unpack_int_rgba_RGB_INT8(const GLbyte *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][0] = src[i * 3 + 0];
+ dst[i][1] = src[i * 3 + 1];
+ dst[i][2] = src[i * 3 + 2];
+ dst[i][3] = 1;
+ }
+}
+
+static void
+unpack_int_rgba_RG_UINT32(const GLuint *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][0] = src[i * 2 + 0];
+ dst[i][1] = src[i * 2 + 1];
+ dst[i][2] = 0;
+ dst[i][3] = 1;
+ }
+}
+
+static void
+unpack_int_rgba_RG_UINT16(const GLushort *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][0] = src[i * 2 + 0];
+ dst[i][1] = src[i * 2 + 1];
+ dst[i][2] = 0;
+ dst[i][3] = 1;
+ }
+}
+
+static void
+unpack_int_rgba_RG_INT16(const GLshort *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][0] = src[i * 2 + 0];
+ dst[i][1] = src[i * 2 + 1];
+ dst[i][2] = 0;
+ dst[i][3] = 1;
+ }
+}
+
+static void
+unpack_int_rgba_RG_UINT8(const GLubyte *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][0] = src[i * 2 + 0];
+ dst[i][1] = src[i * 2 + 1];
+ dst[i][2] = 0;
+ dst[i][3] = 1;
+ }
+}
+
+static void
+unpack_int_rgba_RG_INT8(const GLbyte *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][0] = src[i * 2 + 0];
+ dst[i][1] = src[i * 2 + 1];
+ dst[i][2] = 0;
+ dst[i][3] = 1;
+ }
+}
+
+static void
+unpack_int_rgba_R_UINT32(const GLuint *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][0] = src[i];
+ dst[i][1] = 0;
+ dst[i][2] = 0;
+ dst[i][3] = 1;
+ }
+}
+
+static void
+unpack_int_rgba_R_UINT16(const GLushort *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][0] = src[i];
+ dst[i][1] = 0;
+ dst[i][2] = 0;
+ dst[i][3] = 1;
+ }
+}
+
+static void
+unpack_int_rgba_R_INT16(const GLshort *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][0] = src[i];
+ dst[i][1] = 0;
+ dst[i][2] = 0;
+ dst[i][3] = 1;
+ }
+}
+
+static void
+unpack_int_rgba_R_UINT8(const GLubyte *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][0] = src[i];
+ dst[i][1] = 0;
+ dst[i][2] = 0;
+ dst[i][3] = 1;
+ }
+}
+
+static void
+unpack_int_rgba_R_INT8(const GLbyte *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][0] = src[i];
+ dst[i][1] = 0;
+ dst[i][2] = 0;
+ dst[i][3] = 1;
+ }
+}
+
+static void
+unpack_int_rgba_ALPHA_UINT32(const GLuint *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][0] = dst[i][1] = dst[i][2] = 0;
+ dst[i][3] = src[i];
+ }
+}
+
+static void
+unpack_int_rgba_ALPHA_UINT16(const GLushort *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][0] = dst[i][1] = dst[i][2] = 0;
+ dst[i][3] = src[i];
+ }
+}
+
+static void
+unpack_int_rgba_ALPHA_INT16(const GLshort *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][0] = dst[i][1] = dst[i][2] = 0;
+ dst[i][3] = src[i];
+ }
+}
+
+static void
+unpack_int_rgba_ALPHA_UINT8(const GLubyte *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][0] = dst[i][1] = dst[i][2] = 0;
+ dst[i][3] = src[i];
+ }
+}
+
+static void
+unpack_int_rgba_ALPHA_INT8(const GLbyte *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][0] = dst[i][1] = dst[i][2] = 0;
+ dst[i][3] = src[i];
+ }
+}
+
+static void
+unpack_int_rgba_LUMINANCE_UINT32(const GLuint *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][0] = dst[i][1] = dst[i][2] = src[i];
+ dst[i][3] = 1;
+ }
+}
+
+static void
+unpack_int_rgba_LUMINANCE_UINT16(const GLushort *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][0] = dst[i][1] = dst[i][2] = src[i];
+ dst[i][3] = 1;
+ }
+}
+
+static void
+unpack_int_rgba_LUMINANCE_INT16(const GLshort *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][0] = dst[i][1] = dst[i][2] = src[i];
+ dst[i][3] = 1;
+ }
+}
+
+static void
+unpack_int_rgba_LUMINANCE_UINT8(const GLubyte *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][0] = dst[i][1] = dst[i][2] = src[i];
+ dst[i][3] = 1;
+ }
+}
+
+static void
+unpack_int_rgba_LUMINANCE_INT8(const GLbyte *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][0] = dst[i][1] = dst[i][2] = src[i];
+ dst[i][3] = 1;
+ }
+}
+
+
+static void
+unpack_int_rgba_LUMINANCE_ALPHA_UINT32(const GLuint *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][0] = dst[i][1] = dst[i][2] = src[i * 2 + 0];
+ dst[i][3] = src[i * 2 + 1];
+ }
+}
+
+static void
+unpack_int_rgba_LUMINANCE_ALPHA_UINT16(const GLushort *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][0] = dst[i][1] = dst[i][2] = src[i * 2 + 0];
+ dst[i][3] = src[i * 2 + 1];
+ }
+}
+
+static void
+unpack_int_rgba_LUMINANCE_ALPHA_INT16(const GLshort *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][0] = dst[i][1] = dst[i][2] = src[i * 2 + 0];
+ dst[i][3] = src[i * 2 + 1];
+ }
+}
+
+static void
+unpack_int_rgba_LUMINANCE_ALPHA_UINT8(const GLubyte *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][0] = dst[i][1] = dst[i][2] = src[i * 2 + 0];
+ dst[i][3] = src[i * 2 + 1];
+ }
+}
+
+static void
+unpack_int_rgba_LUMINANCE_ALPHA_INT8(const GLbyte *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][0] = dst[i][1] = dst[i][2] = src[i * 2 + 0];
+ dst[i][3] = src[i * 2 + 1];
+ }
+}
+
+static void
+unpack_int_rgba_INTENSITY_UINT32(const GLuint *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][0] = dst[i][1] = dst[i][2] = dst[i][3] = src[i];
+ }
+}
+
+static void
+unpack_int_rgba_INTENSITY_UINT16(const GLushort *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][0] = dst[i][1] = dst[i][2] = dst[i][3] = src[i];
+ }
+}
+
+static void
+unpack_int_rgba_INTENSITY_INT16(const GLshort *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][0] = dst[i][1] = dst[i][2] = dst[i][3] = src[i];
+ }
+}
+
+static void
+unpack_int_rgba_INTENSITY_UINT8(const GLubyte *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][0] = dst[i][1] = dst[i][2] = dst[i][3] = src[i];
+ }
+}
+
+static void
+unpack_int_rgba_INTENSITY_INT8(const GLbyte *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ dst[i][0] = dst[i][1] = dst[i][2] = dst[i][3] = src[i];
+ }
+}
+
+static void
+unpack_int_rgba_ARGB2101010_UINT(const GLuint *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ GLuint tmp = src[i];
+ dst[i][0] = (tmp >> 20) & 0x3ff;
+ dst[i][1] = (tmp >> 10) & 0x3ff;
+ dst[i][2] = (tmp >> 0) & 0x3ff;
+ dst[i][3] = (tmp >> 30) & 0x3;
+ }
+}
+
+static void
+unpack_int_rgba_ABGR2101010_UINT(const GLuint *src, GLuint dst[][4], GLuint n)
+{
+ unsigned int i;
+
+ for (i = 0; i < n; i++) {
+ GLuint tmp = src[i];
+ dst[i][0] = (tmp >> 0) & 0x3ff;
+ dst[i][1] = (tmp >> 10) & 0x3ff;
+ dst[i][2] = (tmp >> 20) & 0x3ff;
+ dst[i][3] = (tmp >> 30) & 0x3;
+ }
+}
+
+void
+_mesa_unpack_uint_rgba_row(gl_format format, GLuint n,
+ const void *src, GLuint dst[][4])
+{
+ switch (format) {
+ /* Since there won't be any sign extension happening, there's no need to
+ * make separate paths for 32-bit-to-32-bit integer unpack.
+ */
+ case MESA_FORMAT_RGBA_UINT32:
+ case MESA_FORMAT_RGBA_INT32:
+ unpack_int_rgba_RGBA_UINT32(src, dst, n);
+ break;
+
+ case MESA_FORMAT_RGBA_UINT16:
+ unpack_int_rgba_RGBA_UINT16(src, dst, n);
+ break;
+ case MESA_FORMAT_RGBA_INT16:
+ unpack_int_rgba_RGBA_INT16(src, dst, n);
+ break;
+
+ case MESA_FORMAT_RGBA_UINT8:
+ unpack_int_rgba_RGBA_UINT8(src, dst, n);
+ break;
+ case MESA_FORMAT_RGBA_INT8:
+ unpack_int_rgba_RGBA_INT8(src, dst, n);
+ break;
+
+ case MESA_FORMAT_ARGB8888:
+ unpack_int_rgba_ARGB8888(src, dst, n);
+ break;
+
+ case MESA_FORMAT_XRGB8888:
+ unpack_int_rgba_XRGB8888(src, dst, n);
+ break;
+
+ case MESA_FORMAT_RGB_UINT32:
+ case MESA_FORMAT_RGB_INT32:
+ unpack_int_rgba_RGB_UINT32(src, dst, n);
+ break;
+
+ case MESA_FORMAT_RGB_UINT16:
+ unpack_int_rgba_RGB_UINT16(src, dst, n);
+ break;
+ case MESA_FORMAT_RGB_INT16:
+ unpack_int_rgba_RGB_INT16(src, dst, n);
+ break;
+
+ case MESA_FORMAT_RGB_UINT8:
+ unpack_int_rgba_RGB_UINT8(src, dst, n);
+ break;
+ case MESA_FORMAT_RGB_INT8:
+ unpack_int_rgba_RGB_INT8(src, dst, n);
+ break;
+
+ case MESA_FORMAT_RG_UINT32:
+ case MESA_FORMAT_RG_INT32:
+ unpack_int_rgba_RG_UINT32(src, dst, n);
+ break;
+
+ case MESA_FORMAT_RG_UINT16:
+ unpack_int_rgba_RG_UINT16(src, dst, n);
+ break;
+ case MESA_FORMAT_RG_INT16:
+ unpack_int_rgba_RG_INT16(src, dst, n);
+ break;
+
+ case MESA_FORMAT_RG_UINT8:
+ unpack_int_rgba_RG_UINT8(src, dst, n);
+ break;
+ case MESA_FORMAT_RG_INT8:
+ unpack_int_rgba_RG_INT8(src, dst, n);
+ break;
+
+ case MESA_FORMAT_R_UINT32:
+ case MESA_FORMAT_R_INT32:
+ unpack_int_rgba_R_UINT32(src, dst, n);
+ break;
+
+ case MESA_FORMAT_R_UINT16:
+ unpack_int_rgba_R_UINT16(src, dst, n);
+ break;
+ case MESA_FORMAT_R_INT16:
+ unpack_int_rgba_R_INT16(src, dst, n);
+ break;
+
+ case MESA_FORMAT_R_UINT8:
+ unpack_int_rgba_R_UINT8(src, dst, n);
+ break;
+ case MESA_FORMAT_R_INT8:
+ unpack_int_rgba_R_INT8(src, dst, n);
+ break;
+
+ case MESA_FORMAT_ALPHA_UINT32:
+ case MESA_FORMAT_ALPHA_INT32:
+ unpack_int_rgba_ALPHA_UINT32(src, dst, n);
+ break;
+
+ case MESA_FORMAT_ALPHA_UINT16:
+ unpack_int_rgba_ALPHA_UINT16(src, dst, n);
+ break;
+ case MESA_FORMAT_ALPHA_INT16:
+ unpack_int_rgba_ALPHA_INT16(src, dst, n);
+ break;
+
+ case MESA_FORMAT_ALPHA_UINT8:
+ unpack_int_rgba_ALPHA_UINT8(src, dst, n);
+ break;
+ case MESA_FORMAT_ALPHA_INT8:
+ unpack_int_rgba_ALPHA_INT8(src, dst, n);
+ break;
+
+ case MESA_FORMAT_LUMINANCE_UINT32:
+ case MESA_FORMAT_LUMINANCE_INT32:
+ unpack_int_rgba_LUMINANCE_UINT32(src, dst, n);
+ break;
+ case MESA_FORMAT_LUMINANCE_UINT16:
+ unpack_int_rgba_LUMINANCE_UINT16(src, dst, n);
+ break;
+ case MESA_FORMAT_LUMINANCE_INT16:
+ unpack_int_rgba_LUMINANCE_INT16(src, dst, n);
+ break;
+
+ case MESA_FORMAT_LUMINANCE_UINT8:
+ unpack_int_rgba_LUMINANCE_UINT8(src, dst, n);
+ break;
+ case MESA_FORMAT_LUMINANCE_INT8:
+ unpack_int_rgba_LUMINANCE_INT8(src, dst, n);
+ break;
+
+ case MESA_FORMAT_LUMINANCE_ALPHA_UINT32:
+ case MESA_FORMAT_LUMINANCE_ALPHA_INT32:
+ unpack_int_rgba_LUMINANCE_ALPHA_UINT32(src, dst, n);
+ break;
+
+ case MESA_FORMAT_LUMINANCE_ALPHA_UINT16:
+ unpack_int_rgba_LUMINANCE_ALPHA_UINT16(src, dst, n);
+ break;
+ case MESA_FORMAT_LUMINANCE_ALPHA_INT16:
+ unpack_int_rgba_LUMINANCE_ALPHA_INT16(src, dst, n);
+ break;
+
+ case MESA_FORMAT_LUMINANCE_ALPHA_UINT8:
+ unpack_int_rgba_LUMINANCE_ALPHA_UINT8(src, dst, n);
+ break;
+ case MESA_FORMAT_LUMINANCE_ALPHA_INT8:
+ unpack_int_rgba_LUMINANCE_ALPHA_INT8(src, dst, n);
+ break;
+
+ case MESA_FORMAT_INTENSITY_UINT32:
+ case MESA_FORMAT_INTENSITY_INT32:
+ unpack_int_rgba_INTENSITY_UINT32(src, dst, n);
+ break;
+
+ case MESA_FORMAT_INTENSITY_UINT16:
+ unpack_int_rgba_INTENSITY_UINT16(src, dst, n);
+ break;
+ case MESA_FORMAT_INTENSITY_INT16:
+ unpack_int_rgba_INTENSITY_INT16(src, dst, n);
+ break;
+
+ case MESA_FORMAT_INTENSITY_UINT8:
+ unpack_int_rgba_INTENSITY_UINT8(src, dst, n);
+ break;
+ case MESA_FORMAT_INTENSITY_INT8:
+ unpack_int_rgba_INTENSITY_INT8(src, dst, n);
+ break;
+
+ case MESA_FORMAT_ARGB2101010_UINT:
+ unpack_int_rgba_ARGB2101010_UINT(src, dst, n);
+ break;
+
+ case MESA_FORMAT_ABGR2101010_UINT:
+ unpack_int_rgba_ABGR2101010_UINT(src, dst, n);
+ break;
+
+ default:
+ _mesa_problem(NULL, "%s: bad format %s", __FUNCTION__,
+ _mesa_get_format_name(format));
+ return;
+ }
+}
+
+/**
+ * Unpack a 2D rect of pixels returning float RGBA colors.
+ * \param format the source image format
+ * \param src start address of the source image
+ * \param srcRowStride source image row stride in bytes
+ * \param dst start address of the dest image
+ * \param dstRowStride dest image row stride in bytes
+ * \param x source image start X pos
+ * \param y source image start Y pos
+ * \param width width of rect region to convert
+ * \param height height of rect region to convert
+ */
+void
+_mesa_unpack_rgba_block(gl_format format,
+ const void *src, GLint srcRowStride,
+ GLfloat dst[][4], GLint dstRowStride,
+ GLuint x, GLuint y, GLuint width, GLuint height)
+{
+ unpack_rgba_func unpack = get_unpack_rgba_function(format);
+ const GLuint srcPixStride = _mesa_get_format_bytes(format);
+ const GLuint dstPixStride = 4 * sizeof(GLfloat);
+ const GLubyte *srcRow;
+ GLubyte *dstRow;
+ GLuint i;
+
+ /* XXX needs to be fixed for compressed formats */
+
+ srcRow = ((const GLubyte *) src) + srcRowStride * y + srcPixStride * x;
+ dstRow = ((GLubyte *) dst) + dstRowStride * y + dstPixStride * x;
+
+ for (i = 0; i < height; i++) {
+ unpack(srcRow, (GLfloat (*)[4]) dstRow, width);
+
+ dstRow += dstRowStride;
+ srcRow += srcRowStride;
+ }
+}
+
+
+
+
+typedef void (*unpack_float_z_func)(GLuint n, const void *src, GLfloat *dst);
+
+static void
+unpack_float_z_Z24_X8(GLuint n, const void *src, GLfloat *dst)
+{
+ /* only return Z, not stencil data */
+ const GLuint *s = ((const GLuint *) src);
+ const GLdouble scale = 1.0 / (GLdouble) 0xffffff;
+ GLuint i;
+ for (i = 0; i < n; i++) {
+ dst[i] = (s[i] >> 8) * scale;
+ ASSERT(dst[i] >= 0.0F);
+ ASSERT(dst[i] <= 1.0F);
+ }
+}
+
+static void
+unpack_float_z_X8_Z24(GLuint n, const void *src, GLfloat *dst)
+{
+ /* only return Z, not stencil data */
+ const GLuint *s = ((const GLuint *) src);
+ const GLdouble scale = 1.0 / (GLdouble) 0xffffff;
+ GLuint i;
+ for (i = 0; i < n; i++) {
+ dst[i] = (s[i] & 0x00ffffff) * scale;
+ ASSERT(dst[i] >= 0.0F);
+ ASSERT(dst[i] <= 1.0F);
+ }
+}
+
+static void
+unpack_float_z_Z16(GLuint n, const void *src, GLfloat *dst)
+{
+ const GLushort *s = ((const GLushort *) src);
+ GLuint i;
+ for (i = 0; i < n; i++) {
+ dst[i] = s[i] * (1.0F / 65535.0F);
+ }
+}
+
+static void
+unpack_float_z_Z32(GLuint n, const void *src, GLfloat *dst)
+{
+ const GLuint *s = ((const GLuint *) src);
+ GLuint i;
+ for (i = 0; i < n; i++) {
+ dst[i] = s[i] * (1.0F / 0xffffffff);
+ }
+}
+
+static void
+unpack_float_z_Z32F(GLuint n, const void *src, GLfloat *dst)
+{
+ memcpy(dst, src, n * sizeof(float));
+}
+
+static void
+unpack_float_z_Z32X24S8(GLuint n, const void *src, GLfloat *dst)
+{
+ const struct z32f_x24s8 *s = (const struct z32f_x24s8 *) src;
+ GLuint i;
+ for (i = 0; i < n; i++) {
+ dst[i] = s[i].z;
+ }
+}
+
+
+
+/**
+ * Unpack Z values.
+ * The returned values will always be in the range [0.0, 1.0].
+ */
+void
+_mesa_unpack_float_z_row(gl_format format, GLuint n,
+ const void *src, GLfloat *dst)
+{
+ unpack_float_z_func unpack;
+
+ switch (format) {
+ case MESA_FORMAT_Z24_S8:
+ case MESA_FORMAT_Z24_X8:
+ unpack = unpack_float_z_Z24_X8;
+ break;
case MESA_FORMAT_S8_Z24:
case MESA_FORMAT_X8_Z24:
unpack = unpack_float_z_X8_Z24;
case MESA_FORMAT_Z32:
unpack = unpack_float_z_Z32;
break;
+ case MESA_FORMAT_Z32_FLOAT:
+ unpack = unpack_float_z_Z32F;
+ break;
case MESA_FORMAT_Z32_FLOAT_X24S8:
unpack = unpack_float_z_Z32X24S8;
break;
memcpy(dst, src, n * sizeof(GLuint));
}
+static void
+unpack_uint_z_Z32_FLOAT(const void *src, GLuint *dst, GLuint n)
+{
+ const float *s = (const float *)src;
+ GLuint i;
+ for (i = 0; i < n; i++) {
+ dst[i] = FLOAT_TO_UINT(CLAMP(s[i], 0.0F, 1.0F));
+ }
+}
+
+static void
+unpack_uint_z_Z32_FLOAT_X24S8(const void *src, GLuint *dst, GLuint n)
+{
+ const struct z32f_x24s8 *s = (const struct z32f_x24s8 *) src;
+ GLuint i;
+
+ for (i = 0; i < n; i++) {
+ dst[i] = FLOAT_TO_UINT(CLAMP(s[i].z, 0.0F, 1.0F));
+ }
+}
+
+/**
+ * Unpack Z values.
+ * The returned values will always be in the range [0, 0xffffffff].
+ */
void
_mesa_unpack_uint_z_row(gl_format format, GLuint n,
const void *src, GLuint *dst)
case MESA_FORMAT_Z32:
unpack = unpack_uint_z_Z32;
break;
+ case MESA_FORMAT_Z32_FLOAT:
+ unpack = unpack_uint_z_Z32_FLOAT;
+ break;
+ case MESA_FORMAT_Z32_FLOAT_X24S8:
+ unpack = unpack_uint_z_Z32_FLOAT_X24S8;
+ break;
default:
_mesa_problem(NULL, "bad format %s in _mesa_unpack_uint_z_row",
_mesa_get_format_name(format));
unpack_ubyte_s_Z32_FLOAT_X24S8(const void *src, GLubyte *dst, GLuint n)
{
GLuint i;
- const GLuint *src32 = src;
+ const struct z32f_x24s8 *s = (const struct z32f_x24s8 *) src;
for (i = 0; i < n; i++)
- dst[i] = src32[i * 2 + 1] & 0xff;
+ dst[i] = s[i].x24s8 & 0xff;
}
void
unpack_uint_24_8_depth_stencil_S8_Z24(src, dst, n);
break;
default:
- _mesa_problem(NULL, "bad format %s in _mesa_unpack_ubyte_s_row",
+ _mesa_problem(NULL,
+ "bad format %s in _mesa_unpack_uint_24_8_depth_stencil_row",
_mesa_get_format_name(format));
return;
}
projects / mesa.git / blobdiff