diff options
Diffstat (limited to 'src/mesa')
| -rw-r--r-- | src/mesa/main/texstore.c | 42 |
1 files changed, 40 insertions, 2 deletions
diff --git a/src/mesa/main/texstore.c b/src/mesa/main/texstore.c index bfac309086..81453e34f4 100644 --- a/src/mesa/main/texstore.c +++ b/src/mesa/main/texstore.c @@ -2,7 +2,7 @@ * Mesa 3-D graphics library * Version: 6.5 * - * Copyright (C) 1999-2005 Brian Paul All Rights Reserved. + * Copyright (C) 1999-2006 Brian Paul All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -1948,6 +1948,7 @@ _mesa_texstore_z24_s8(STORE_PARAMS) if (!ctx->_ImageTransferState && !srcPacking->SwapBytes) { + /* simple path */ memcpy_texture(ctx, dims, dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, dstRowStride, dstImageStride, @@ -1955,7 +1956,44 @@ _mesa_texstore_z24_s8(STORE_PARAMS) srcAddr, srcPacking); } else { - _mesa_problem(ctx, "_mesa_texstore_z24_s8 not finished"); + /* general path */ + const GLint srcRowStride + = _mesa_image_row_stride(srcPacking, srcWidth, srcFormat, srcType) + / sizeof(GLuint); + GLuint *dstImage = (GLuint *) dstAddr; + GLint img, row; + + for (img = 0; img < srcDepth; img++) { + GLuint *dst = dstImage; + const GLuint *src + = (const GLuint *) _mesa_image_address(dims, srcPacking, srcAddr, + srcWidth, srcHeight, + srcFormat, srcType, + img, 0, 0); + for (row = 0; row < srcHeight; row++) { + GLubyte stencil[MAX_WIDTH]; + GLint i; + /* the 24 depth bits will be in the high position: */ + _mesa_unpack_depth_span(ctx, srcWidth, + GL_UNSIGNED_INT, /* dst type */ + dst, /* dst addr */ + (GLfloat) 0xffffff, /* depthScale */ + srcType, src, srcPacking); + /* get the 8-bit stencil values */ + _mesa_unpack_stencil_span(ctx, srcWidth, + GL_UNSIGNED_BYTE, /* dst type */ + stencil, /* dst addr */ + srcType, src, srcPacking, + ctx->_ImageTransferState); + /* merge stencil values into depth values */ + for (i = 0; i < srcWidth; i++) + dst[i] |= stencil[i]; + + src += srcRowStride; + dst += dstRowStride / sizeof(GLuint); + } + dstImage += dstImageStride / sizeof(GLuint); + } } |