From 48a9094b69db621c4b8a432adc63d6f4439ab3d1 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Tue, 4 Mar 2014 09:10:00 -0700 Subject: [PATCH] mesa: fix packing/unpacking for MESA_FORMAT_A4R4G4B4_UNORM Spotted by Chia-I Wu. v2: also fix unpack_ubyte_ARGB4444_REV() Reviewed-by: Roland Scheidegger Reviewed-by: Chia-I Wu Reviewed-by: Anuj Phogat --- src/mesa/main/format_pack.c | 2 +- src/mesa/main/format_unpack.c | 16 ++++++++-------- src/mesa/swrast/s_texfetch_tmp.h | 8 ++++---- 3 files changed, 13 insertions(+), 13 deletions(-) diff --git a/src/mesa/main/format_pack.c b/src/mesa/main/format_pack.c index 2772ff2..ee505ec 100644 --- a/src/mesa/main/format_pack.c +++ b/src/mesa/main/format_pack.c @@ -567,7 +567,7 @@ static void pack_ubyte_ARGB4444_REV(const GLubyte src[4], void *dst) { GLushort *d = ((GLushort *) dst); - *d = PACK_COLOR_4444(src[GCOMP], src[BCOMP], src[ACOMP], src[RCOMP]); + *d = PACK_COLOR_4444(src[BCOMP], src[GCOMP], src[RCOMP], src[ACOMP]); } static void diff --git a/src/mesa/main/format_unpack.c b/src/mesa/main/format_unpack.c index 276ba55..f9c42e7 100644 --- a/src/mesa/main/format_unpack.c +++ b/src/mesa/main/format_unpack.c @@ -267,10 +267,10 @@ unpack_ARGB4444_REV(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] = ((s[i] ) & 0xf) * (1.0F / 15.0F); - dst[i][GCOMP] = ((s[i] >> 12) & 0xf) * (1.0F / 15.0F); - dst[i][BCOMP] = ((s[i] >> 8) & 0xf) * (1.0F / 15.0F); - dst[i][ACOMP] = ((s[i] >> 4) & 0xf) * (1.0F / 15.0F); + dst[i][RCOMP] = ((s[i] >> 4) & 0xf) * (1.0F / 15.0F); + dst[i][GCOMP] = ((s[i] >> 8) & 0xf) * (1.0F / 15.0F); + dst[i][BCOMP] = ((s[i] >> 12) & 0xf) * (1.0F / 15.0F); + dst[i][ACOMP] = ((s[i] ) & 0xf) * (1.0F / 15.0F); } } @@ -2738,10 +2738,10 @@ unpack_ubyte_ARGB4444_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] = 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); + dst[i][RCOMP] = EXPAND_4_8((s[i] >> 4) & 0xf); + dst[i][GCOMP] = EXPAND_4_8((s[i] >> 8) & 0xf); + dst[i][BCOMP] = EXPAND_4_8((s[i] >> 12) & 0xf); + dst[i][ACOMP] = EXPAND_4_8((s[i] ) & 0xf); } } diff --git a/src/mesa/swrast/s_texfetch_tmp.h b/src/mesa/swrast/s_texfetch_tmp.h index 806f0fd..1db3adc 100644 --- a/src/mesa/swrast/s_texfetch_tmp.h +++ b/src/mesa/swrast/s_texfetch_tmp.h @@ -611,10 +611,10 @@ static void FETCH(f_argb4444_rev)( const struct swrast_texture_image *texImage, GLint i, GLint j, GLint k, GLfloat *texel ) { const GLushort s = *TEXEL_ADDR(GLushort, texImage, i, j, k, 1); - texel[RCOMP] = ((s ) & 0xf) * (1.0F / 15.0F); - texel[GCOMP] = ((s >> 12) & 0xf) * (1.0F / 15.0F); - texel[BCOMP] = ((s >> 8) & 0xf) * (1.0F / 15.0F); - texel[ACOMP] = ((s >> 4) & 0xf) * (1.0F / 15.0F); + texel[RCOMP] = ((s >> 4) & 0xf) * (1.0F / 15.0F); + texel[GCOMP] = ((s >> 8) & 0xf) * (1.0F / 15.0F); + texel[BCOMP] = ((s >> 12) & 0xf) * (1.0F / 15.0F); + texel[ACOMP] = ((s ) & 0xf) * (1.0F / 15.0F); } -- 2.7.4