From f252f64430ccb957698fcf85e84c9d64008147eb Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Sat, 19 Jun 2004 17:44:23 +0000 Subject: Big-endian texture fixes from Michel Dänzer. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- src/mesa/main/texstore.c | 158 +++++++++++++++++++++++++++++++---------------- 1 file changed, 104 insertions(+), 54 deletions(-) (limited to 'src/mesa/main/texstore.c') diff --git a/src/mesa/main/texstore.c b/src/mesa/main/texstore.c index 574066ecdd..c5f39c4453 100644 --- a/src/mesa/main/texstore.c +++ b/src/mesa/main/texstore.c @@ -828,13 +828,18 @@ _mesa_texstore_rgb565(STORE_PARAMS) for (row = 0; row < srcHeight; row++) { const GLubyte *srcUB = (const GLubyte *) src; GLushort *dstUS = (GLushort *) dst; - for (col = 0; col < srcWidth; col++) { - dstUS[col] = PACK_COLOR_565( srcUB[0], srcUB[1], srcUB[2] ); - srcUB += 3; - } /* check for byteswapped format */ - if (dstFormat == &_mesa_texformat_rgb565_rev) { - _mesa_swap2(dstUS, srcWidth); + if (dstFormat == &_mesa_texformat_rgb565) { + for (col = 0; col < srcWidth; col++) { + dstUS[col] = PACK_COLOR_565( srcUB[0], srcUB[1], srcUB[2] ); + srcUB += 3; + } + } + else { + for (col = 0; col < srcWidth; col++) { + dstUS[col] = PACK_COLOR_565_REV( srcUB[0], srcUB[1], srcUB[2] ); + srcUB += 3; + } } dst += dstRowStride; src += srcRowStride; @@ -861,15 +866,22 @@ _mesa_texstore_rgb565(STORE_PARAMS) GLubyte *dstRow = dstImage; for (row = 0; row < srcHeight; row++) { GLushort *dstUS = (GLushort *) dstRow; - for (col = 0; col < srcWidth; col++) { - dstUS[col] = PACK_COLOR_565( CHAN_TO_UBYTE(src[RCOMP]), - CHAN_TO_UBYTE(src[GCOMP]), - CHAN_TO_UBYTE(src[BCOMP]) ); - src += 3; - } /* check for byteswapped format */ - if (dstFormat == &_mesa_texformat_rgb565_rev) { - _mesa_swap2(dstUS, srcWidth); + if (dstFormat == &_mesa_texformat_rgb565) { + for (col = 0; col < srcWidth; col++) { + dstUS[col] = PACK_COLOR_565( CHAN_TO_UBYTE(src[RCOMP]), + CHAN_TO_UBYTE(src[GCOMP]), + CHAN_TO_UBYTE(src[BCOMP]) ); + src += 3; + } + } + else { + for (col = 0; col < srcWidth; col++) { + dstUS[col] = PACK_COLOR_565_REV( CHAN_TO_UBYTE(src[RCOMP]), + CHAN_TO_UBYTE(src[GCOMP]), + CHAN_TO_UBYTE(src[BCOMP]) ); + src += 3; + } } dstRow += dstRowStride; } @@ -921,16 +933,23 @@ _mesa_texstore_rgba8888(STORE_PARAMS) GLubyte *dstRow = dstImage; for (row = 0; row < srcHeight; row++) { GLuint *dstUI = (GLuint *) dstRow; - for (col = 0; col < srcWidth; col++) { - dstUI[col] = PACK_COLOR_8888( CHAN_TO_UBYTE(src[RCOMP]), - CHAN_TO_UBYTE(src[GCOMP]), - CHAN_TO_UBYTE(src[BCOMP]), - CHAN_TO_UBYTE(src[ACOMP]) ); - src += 4; + if (dstFormat == &_mesa_texformat_rgba8888) { + for (col = 0; col < srcWidth; col++) { + dstUI[col] = PACK_COLOR_8888( CHAN_TO_UBYTE(src[RCOMP]), + CHAN_TO_UBYTE(src[GCOMP]), + CHAN_TO_UBYTE(src[BCOMP]), + CHAN_TO_UBYTE(src[ACOMP]) ); + src += 4; + } } - /* check for byteswapped format */ - if (dstFormat == &_mesa_texformat_rgba8888_rev) { - _mesa_swap4(dstUI, srcWidth); + else { + for (col = 0; col < srcWidth; col++) { + dstUI[col] = PACK_COLOR_8888_REV( CHAN_TO_UBYTE(src[RCOMP]), + CHAN_TO_UBYTE(src[GCOMP]), + CHAN_TO_UBYTE(src[BCOMP]), + CHAN_TO_UBYTE(src[ACOMP]) ); + src += 4; + } } dstRow += dstRowStride; } @@ -999,15 +1018,23 @@ _mesa_texstore_argb8888(STORE_PARAMS) GLubyte *dstRow = dstImage; for (row = 0; row < srcHeight; row++) { GLuint *dstUI = (GLuint *) dstRow; - for (col = 0; col < srcWidth; col++) { - dstUI[col] = PACK_COLOR_8888( CHAN_TO_UBYTE(src[ACOMP]), - CHAN_TO_UBYTE(src[RCOMP]), - CHAN_TO_UBYTE(src[GCOMP]), - CHAN_TO_UBYTE(src[BCOMP]) ); - src += 4; + if (dstFormat == &_mesa_texformat_argb8888) { + for (col = 0; col < srcWidth; col++) { + dstUI[col] = PACK_COLOR_8888( CHAN_TO_UBYTE(src[ACOMP]), + CHAN_TO_UBYTE(src[RCOMP]), + CHAN_TO_UBYTE(src[GCOMP]), + CHAN_TO_UBYTE(src[BCOMP]) ); + src += 4; + } } - if (dstFormat == &_mesa_texformat_argb8888_rev) { - _mesa_swap4(dstUI, srcWidth); + else { + for (col = 0; col < srcWidth; col++) { + dstUI[col] = PACK_COLOR_8888_REV( CHAN_TO_UBYTE(src[ACOMP]), + CHAN_TO_UBYTE(src[RCOMP]), + CHAN_TO_UBYTE(src[GCOMP]), + CHAN_TO_UBYTE(src[BCOMP]) ); + src += 4; + } } dstRow += dstRowStride; } @@ -1248,15 +1275,23 @@ _mesa_texstore_argb4444(STORE_PARAMS) GLubyte *dstRow = dstImage; for (row = 0; row < srcHeight; row++) { GLushort *dstUS = (GLushort *) dstRow; - for (col = 0; col < srcWidth; col++) { - dstUS[col] = PACK_COLOR_4444( CHAN_TO_UBYTE(src[ACOMP]), - CHAN_TO_UBYTE(src[RCOMP]), - CHAN_TO_UBYTE(src[GCOMP]), - CHAN_TO_UBYTE(src[BCOMP]) ); - src += 4; + if (dstFormat == &_mesa_texformat_argb4444) { + for (col = 0; col < srcWidth; col++) { + dstUS[col] = PACK_COLOR_4444( CHAN_TO_UBYTE(src[ACOMP]), + CHAN_TO_UBYTE(src[RCOMP]), + CHAN_TO_UBYTE(src[GCOMP]), + CHAN_TO_UBYTE(src[BCOMP]) ); + src += 4; + } } - if (dstFormat == &_mesa_texformat_argb4444_rev) { - _mesa_swap2(dstUS, srcWidth); + else { + for (col = 0; col < srcWidth; col++) { + dstUS[col] = PACK_COLOR_4444_REV( CHAN_TO_UBYTE(src[ACOMP]), + CHAN_TO_UBYTE(src[RCOMP]), + CHAN_TO_UBYTE(src[GCOMP]), + CHAN_TO_UBYTE(src[BCOMP]) ); + src += 4; + } } dstRow += dstRowStride; } @@ -1309,15 +1344,23 @@ _mesa_texstore_argb1555(STORE_PARAMS) GLubyte *dstRow = dstImage; for (row = 0; row < srcHeight; row++) { GLushort *dstUS = (GLushort *) dstRow; - for (col = 0; col < srcWidth; col++) { - dstUS[col] = PACK_COLOR_1555( CHAN_TO_UBYTE(src[ACOMP]), - CHAN_TO_UBYTE(src[RCOMP]), - CHAN_TO_UBYTE(src[GCOMP]), - CHAN_TO_UBYTE(src[BCOMP]) ); - src += 4; + if (dstFormat == &_mesa_texformat_argb1555) { + for (col = 0; col < srcWidth; col++) { + dstUS[col] = PACK_COLOR_1555( CHAN_TO_UBYTE(src[ACOMP]), + CHAN_TO_UBYTE(src[RCOMP]), + CHAN_TO_UBYTE(src[GCOMP]), + CHAN_TO_UBYTE(src[BCOMP]) ); + src += 4; + } } - if (dstFormat == &_mesa_texformat_argb1555_rev) { - _mesa_swap2(dstUS, srcWidth); + else { + for (col = 0; col < srcWidth; col++) { + dstUS[col] = PACK_COLOR_1555_REV( CHAN_TO_UBYTE(src[ACOMP]), + CHAN_TO_UBYTE(src[RCOMP]), + CHAN_TO_UBYTE(src[GCOMP]), + CHAN_TO_UBYTE(src[BCOMP]) ); + src += 4; + } } dstRow += dstRowStride; } @@ -1373,14 +1416,21 @@ _mesa_texstore_al88(STORE_PARAMS) GLubyte *dstRow = dstImage; for (row = 0; row < srcHeight; row++) { GLushort *dstUS = (GLushort *) dstRow; - for (col = 0; col < srcWidth; col++) { - /* src[0] is luminance, src[1] is alpha */ - dstUS[col] = PACK_COLOR_88( CHAN_TO_UBYTE(src[1]), - CHAN_TO_UBYTE(src[0]) ); - src += 2; + if (dstFormat == &_mesa_texformat_al88) { + for (col = 0; col < srcWidth; col++) { + /* src[0] is luminance, src[1] is alpha */ + dstUS[col] = PACK_COLOR_88( CHAN_TO_UBYTE(src[1]), + CHAN_TO_UBYTE(src[0]) ); + src += 2; + } } - if (dstFormat == &_mesa_texformat_al88_rev) { - _mesa_swap2(dstUS, srcWidth); + else { + for (col = 0; col < srcWidth; col++) { + /* src[0] is luminance, src[1] is alpha */ + dstUS[col] = PACK_COLOR_88_REV( CHAN_TO_UBYTE(src[1]), + CHAN_TO_UBYTE(src[0]) ); + src += 2; + } } dstRow += dstRowStride; } -- cgit v1.2.3