diff options
Diffstat (limited to 'src/mesa/main/texstore.c')
| -rw-r--r-- | src/mesa/main/texstore.c | 34 |
1 files changed, 18 insertions, 16 deletions
diff --git a/src/mesa/main/texstore.c b/src/mesa/main/texstore.c index 717551d716c..fab0fad3b48 100644 --- a/src/mesa/main/texstore.c +++ b/src/mesa/main/texstore.c @@ -1,6 +1,6 @@ /* * Mesa 3-D graphics library - * Version: 6.5 + * Version: 6.5.1 * * Copyright (C) 1999-2006 Brian Paul All Rights Reserved. * @@ -848,20 +848,21 @@ _mesa_texstore_rgba(GLcontext *ctx, GLuint dims, /** - * Store a floating point depth component texture image. + * Store a 32-bit integer depth component texture image. */ GLboolean -_mesa_texstore_depth_component_float32(STORE_PARAMS) +_mesa_texstore_z32(STORE_PARAMS) { + const GLfloat depthScale = (GLfloat) 0xffffffff; (void) dims; - ASSERT(dstFormat == &_mesa_texformat_depth_component_float32); - ASSERT(dstFormat->TexelBytes == sizeof(GLfloat)); + ASSERT(dstFormat == &_mesa_texformat_z32); + ASSERT(dstFormat->TexelBytes == sizeof(GLuint)); if (!ctx->_ImageTransferState && !srcPacking->SwapBytes && baseInternalFormat == GL_DEPTH_COMPONENT && srcFormat == GL_DEPTH_COMPONENT && - srcType == GL_FLOAT) { + srcType == GL_UNSIGNED_INT) { /* simple memcpy path */ memcpy_texture(ctx, dims, dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, @@ -882,8 +883,8 @@ _mesa_texstore_depth_component_float32(STORE_PARAMS) const GLvoid *src = _mesa_image_address(dims, srcPacking, srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0); _mesa_unpack_depth_span(ctx, srcWidth, - GL_FLOAT, (GLfloat *) dstRow, 1.0F, - srcType, src, srcPacking); + GL_UNSIGNED_INT, (GLuint *) dstRow, + depthScale, srcType, src, srcPacking); dstRow += dstRowStride; } dstImage += dstImageStride; @@ -897,10 +898,11 @@ _mesa_texstore_depth_component_float32(STORE_PARAMS) * Store a 16-bit integer depth component texture image. */ GLboolean -_mesa_texstore_depth_component16(STORE_PARAMS) +_mesa_texstore_z16(STORE_PARAMS) { + const GLfloat depthScale = 65535.0f; (void) dims; - ASSERT(dstFormat == &_mesa_texformat_depth_component16); + ASSERT(dstFormat == &_mesa_texformat_z16); ASSERT(dstFormat->TexelBytes == sizeof(GLushort)); if (!ctx->_ImageTransferState && @@ -929,7 +931,7 @@ _mesa_texstore_depth_component16(STORE_PARAMS) srcAddr, srcWidth, srcHeight, srcFormat, srcType, img, row, 0); GLushort *dst16 = (GLushort *) dstRow; _mesa_unpack_depth_span(ctx, srcWidth, - GL_UNSIGNED_SHORT, dst16, 65535.0F, + GL_UNSIGNED_SHORT, dst16, depthScale, srcType, src, srcPacking); dstRow += dstRowStride; } @@ -3068,19 +3070,19 @@ do_row(const struct gl_texture_format *format, GLint srcWidth, } } return; - case MESA_FORMAT_DEPTH_COMPONENT_FLOAT32: + case MESA_FORMAT_Z32: { GLuint i, j, k; - const GLfloat *rowA = (const GLfloat *) srcRowA; - const GLfloat *rowB = (const GLfloat *) srcRowB; + const GLuint *rowA = (const GLuint *) srcRowA; + const GLuint *rowB = (const GLuint *) srcRowB; GLfloat *dst = (GLfloat *) dstRow; for (i = j = 0, k = k0; i < (GLuint) dstWidth; i++, j += colStride, k += colStride) { - dst[i] = (rowA[j] + rowA[k] + rowB[j] + rowB[k]) * 0.25F; + dst[i] = rowA[j] / 4 + rowA[k] / 4 + rowB[j] / 4 + rowB[k] / 4; } } return; - case MESA_FORMAT_DEPTH_COMPONENT16: + case MESA_FORMAT_Z16: { GLuint i, j, k; const GLushort *rowA = (const GLushort *) srcRowA; |