diff options
| -rw-r--r-- | src/mesa/main/texstore.c | 78 |
1 files changed, 74 insertions, 4 deletions
diff --git a/src/mesa/main/texstore.c b/src/mesa/main/texstore.c index 94c0894de1f..2356b24f4af 100644 --- a/src/mesa/main/texstore.c +++ b/src/mesa/main/texstore.c @@ -2225,6 +2225,76 @@ _mesa_texstore_al1616(TEXSTORE_PARAMS) static GLboolean +_mesa_texstore_signed_rgba_16(TEXSTORE_PARAMS) +{ + const GLuint texelBytes = _mesa_get_format_bytes(dstFormat); + const GLenum baseFormat = _mesa_get_format_base_format(dstFormat); + + ASSERT(dstFormat == MESA_FORMAT_SIGNED_R_16 || + dstFormat == MESA_FORMAT_SIGNED_RG_16 || + dstFormat == MESA_FORMAT_SIGNED_RGB_16 || + dstFormat == MESA_FORMAT_SIGNED_RGBA_16); + + if (!ctx->_ImageTransferState && + !srcPacking->SwapBytes && + baseInternalFormat == GL_RGBA && + dstFormat == MESA_FORMAT_SIGNED_RGBA_16 && + srcFormat == GL_RGBA && + srcType == GL_SHORT) { + /* simple memcpy path */ + memcpy_texture(ctx, dims, + dstFormat, dstAddr, dstXoffset, dstYoffset, dstZoffset, + dstRowStride, + dstImageOffsets, + srcWidth, srcHeight, srcDepth, srcFormat, srcType, + srcAddr, srcPacking); + } + else { + /* general path */ + const GLfloat *tempImage = make_temp_float_image(ctx, dims, + baseInternalFormat, + baseFormat, + srcWidth, srcHeight, srcDepth, + srcFormat, srcType, srcAddr, + srcPacking); + const GLfloat *src = tempImage; + const GLuint comps = _mesa_get_format_bytes(dstFormat) / 2; + GLint img, row, col; + + if (!tempImage) + return GL_FALSE; + + _mesa_adjust_image_for_convolution(ctx, dims, &srcWidth, &srcHeight); + + /* Note: tempImage is always float[4] / RGBA. We convert to 1, 2, + * 3 or 4 components/pixel here. + */ + for (img = 0; img < srcDepth; img++) { + GLubyte *dstRow = (GLubyte *) dstAddr + + dstImageOffsets[dstZoffset + img] * texelBytes + + dstYoffset * dstRowStride + + dstXoffset * texelBytes; + for (row = 0; row < srcHeight; row++) { + GLshort *dstRowS = (GLshort *) dstRow; + for (col = 0; col < srcWidth; col++) { + GLuint c; + for (c = 0; c < comps; c++) { + GLshort p; + UNCLAMPED_FLOAT_TO_SHORT(p, src[col * 4 + c]); + dstRowS[col * comps + c] = p; + } + } + dstRow += dstRowStride; + src += 4 * srcWidth; + } + } + free((void *) tempImage); + } + return GL_TRUE; +} + + +static GLboolean _mesa_texstore_rgb332(TEXSTORE_PARAMS) { const GLuint texelBytes = _mesa_get_format_bytes(dstFormat); @@ -3347,10 +3417,10 @@ texstore_funcs[MESA_FORMAT_COUNT] = { MESA_FORMAT_SIGNED_RGBA8888, _mesa_texstore_signed_rgba8888 }, { MESA_FORMAT_SIGNED_RGBA8888_REV, _mesa_texstore_signed_rgba8888 }, - { MESA_FORMAT_SIGNED_R_16, NULL/*_mesa_texstore_signed_r16*/ }, - { MESA_FORMAT_SIGNED_RG_16, NULL/*_mesa_texstore_signed_rg16*/ }, - { MESA_FORMAT_SIGNED_RGB_16, NULL/*_mesa_texstore_signed_rgb16*/ }, - { MESA_FORMAT_SIGNED_RGBA_16, NULL/*_mesa_texstore_signed_rgba16*/ }, + { MESA_FORMAT_SIGNED_R_16, _mesa_texstore_signed_rgba_16 }, + { MESA_FORMAT_SIGNED_RG_16, _mesa_texstore_signed_rgba_16 }, + { MESA_FORMAT_SIGNED_RGB_16, _mesa_texstore_signed_rgba_16 }, + { MESA_FORMAT_SIGNED_RGBA_16, _mesa_texstore_signed_rgba_16 } }; |