From ec6fbbe36ee198d00db6a1ae297970531186ae3c Mon Sep 17 00:00:00 2001 From: =?utf8?q?Marek=20Ol=C5=A1=C3=A1k?= Date: Tue, 21 Jun 2011 05:06:36 +0200 Subject: [PATCH] mesa: implement stencil unpacking for GL_FLOAT_32_UNSIGNED_INT_24_8_REV Reviewed-by: Kenneth Graunke --- src/mesa/main/pack.c | 35 ++++++++++++++++++++++++++++++++--- 1 file changed, 32 insertions(+), 3 deletions(-) diff --git a/src/mesa/main/pack.c b/src/mesa/main/pack.c index a232a51c355..c284c7d8d62 100644 --- a/src/mesa/main/pack.c +++ b/src/mesa/main/pack.c @@ -1971,7 +1971,8 @@ extract_uint_indexes(GLuint n, GLuint indexes[], srcType == GL_INT || srcType == GL_UNSIGNED_INT_24_8_EXT || srcType == GL_HALF_FLOAT_ARB || - srcType == GL_FLOAT); + srcType == GL_FLOAT || + srcType == GL_FLOAT_32_UNSIGNED_INT_24_8_REV); switch (srcType) { case GL_BITMAP: @@ -2142,6 +2143,23 @@ extract_uint_indexes(GLuint n, GLuint indexes[], } } break; + case GL_FLOAT_32_UNSIGNED_INT_24_8_REV: + { + GLuint i; + const GLuint *s = (const GLuint *) src; + if (unpack->SwapBytes) { + for (i = 0; i < n; i++) { + GLuint value = s[i*2+1]; + SWAP4BYTE(value); + indexes[i] = value & 0xff; /* lower 8 bits */ + } + } + else { + for (i = 0; i < n; i++) + indexes[i] = s[i*2+1] & 0xff; /* lower 8 bits */ + } + } + break; default: _mesa_problem(NULL, "bad srcType in extract_uint_indexes"); @@ -4412,11 +4430,13 @@ _mesa_unpack_stencil_span( struct gl_context *ctx, GLuint n, srcType == GL_INT || srcType == GL_UNSIGNED_INT_24_8_EXT || srcType == GL_HALF_FLOAT_ARB || - srcType == GL_FLOAT); + srcType == GL_FLOAT || + srcType == GL_FLOAT_32_UNSIGNED_INT_24_8_REV); ASSERT(dstType == GL_UNSIGNED_BYTE || dstType == GL_UNSIGNED_SHORT || - dstType == GL_UNSIGNED_INT); + dstType == GL_UNSIGNED_INT || + dstType == GL_FLOAT_32_UNSIGNED_INT_24_8_REV); /* only shift and offset apply to stencil */ transferOps &= IMAGE_SHIFT_OFFSET_BIT; @@ -4488,6 +4508,15 @@ _mesa_unpack_stencil_span( struct gl_context *ctx, GLuint n, case GL_UNSIGNED_INT: memcpy(dest, indexes, n * sizeof(GLuint)); break; + case GL_FLOAT_32_UNSIGNED_INT_24_8_REV: + { + GLuint *dst = (GLuint *) dest; + GLuint i; + for (i = 0; i < n; i++) { + dst[i*2+1] = indexes[i] & 0xff; /* lower 8 bits */ + } + } + break; default: _mesa_problem(ctx, "bad dstType in _mesa_unpack_stencil_span"); } -- 2.30.2