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AL1616: Add TexImage storage path

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This commit is contained in:
Ian Romanick 2009-11-16 14:53:12 -08:00
parent 975871b4d5
commit 3325dc91be
1 changed files with 73 additions and 0 deletions
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73
src/mesa/main/texstore.c
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@ -2145,6 +2145,77 @@ _mesa_texstore_al88(TEXSTORE_PARAMS)
}
static GLboolean
_mesa_texstore_al1616(TEXSTORE_PARAMS)
{
const GLboolean littleEndian = _mesa_little_endian();
const GLuint texelBytes = _mesa_get_format_bytes(dstFormat);
const GLenum baseFormat = _mesa_get_format_base_format(dstFormat);
ASSERT(dstFormat == MESA_FORMAT_AL1616 ||
dstFormat == MESA_FORMAT_AL1616_REV);
ASSERT(texelBytes == 4);
if (!ctx->_ImageTransferState &&
!srcPacking->SwapBytes &&
dstFormat == MESA_FORMAT_AL1616 &&
baseInternalFormat == GL_LUMINANCE_ALPHA &&
srcFormat == GL_LUMINANCE_ALPHA &&
srcType == GL_UNSIGNED_SHORT &&
littleEndian) {
/* simple memcpy path */
memcpy_texture(ctx, dims,
dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset,
dstRowStride,
dstImageOffsets,
srcWidth, srcHeight, srcDepth, srcFormat, srcType,
srcAddr, srcPacking);
}
else {
/* general path */
const GLfloat *tempImage = make_temp_float_image(ctx, dims,
baseInternalFormat,
baseFormat,
srcWidth, srcHeight, srcDepth,
srcFormat, srcType, srcAddr,
srcPacking);
const GLfloat *src = tempImage;
GLint img, row, col;
if (!tempImage)
return GL_FALSE;
_mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight);
for (img = 0; img < srcDepth; img++) {
GLubyte *dstRow = (GLubyte *) dstAddr
+ dstImageOffsets[dstZoffset + img] * texelBytes
+ dstYoffset * dstRowStride
+ dstXoffset * texelBytes;
for (row = 0; row < srcHeight; row++) {
GLuint *dstUI = (GLuint *) dstRow;
if (dstFormat == MESA_FORMAT_AL1616) {
for (col = 0; col < srcWidth; col++) {
/* src[0] is luminance, src[1] is alpha */
dstUI[col] = PACK_COLOR_88( FLOAT_TO_USHORT(src[1]),
FLOAT_TO_USHORT(src[0]) );
src += 2;
}
}
else {
for (col = 0; col < srcWidth; col++) {
/* src[0] is luminance, src[1] is alpha */
dstUI[col] = PACK_COLOR_1616_REV( FLOAT_TO_UBYTE(src[1]),
FLOAT_TO_UBYTE(src[0]) );
src += 2;
}
}
dstRow += dstRowStride;
}
}
_mesa_free((void *) tempImage);
}
return GL_TRUE;
}
static GLboolean
_mesa_texstore_rgb332(TEXSTORE_PARAMS)
{
@ -3073,6 +3144,8 @@ texstore_funcs[MESA_FORMAT_COUNT] =
{ MESA_FORMAT_ARGB1555_REV, _mesa_texstore_argb1555 },
{ MESA_FORMAT_AL88, _mesa_texstore_al88 },
{ MESA_FORMAT_AL88_REV, _mesa_texstore_al88 },
{ MESA_FORMAT_AL1616, _mesa_texstore_al1616 },
{ MESA_FORMAT_AL1616_REV, _mesa_texstore_al1616 },
{ MESA_FORMAT_RGB332, _mesa_texstore_rgb332 },
{ MESA_FORMAT_A8, _mesa_texstore_a8 },
{ MESA_FORMAT_L8, _mesa_texstore_a8 },