diff options
Diffstat (limited to 'src/mesa/main/mipmap.c')
| -rw-r--r-- | src/mesa/main/mipmap.c | 71 |
1 files changed, 66 insertions, 5 deletions
diff --git a/src/mesa/main/mipmap.c b/src/mesa/main/mipmap.c index ad63b178df8..e594160ad9e 100644 --- a/src/mesa/main/mipmap.c +++ b/src/mesa/main/mipmap.c @@ -30,6 +30,7 @@ #include "imports.h" #include "formats.h" #include "mipmap.h" +#include "mtypes.h" #include "teximage.h" #include "texstore.h" #include "image.h" @@ -611,6 +612,28 @@ do_row(GLenum datatype, GLuint comps, GLint srcWidth, dst[i] = (blue << 5) | (green << 2) | red; } } + + else if (datatype == MESA_UNSIGNED_BYTE_4_4 && comps == 2) { + GLuint i, j, k; + const GLubyte *rowA = (const GLubyte *) srcRowA; + const GLubyte *rowB = (const GLubyte *) srcRowB; + GLubyte *dst = (GLubyte *) dstRow; + for (i = j = 0, k = k0; i < (GLuint) dstWidth; + i++, j += colStride, k += colStride) { + const GLint rowAr0 = rowA[j] & 0xf; + const GLint rowAr1 = rowA[k] & 0xf; + const GLint rowBr0 = rowB[j] & 0xf; + const GLint rowBr1 = rowB[k] & 0xf; + const GLint rowAg0 = (rowA[j] >> 4) & 0xf; + const GLint rowAg1 = (rowA[k] >> 4) & 0xf; + const GLint rowBg0 = (rowB[j] >> 4) & 0xf; + const GLint rowBg1 = (rowB[k] >> 4) & 0xf; + const GLint r = (rowAr0 + rowAr1 + rowBr0 + rowBr1) >> 2; + const GLint g = (rowAg0 + rowAg1 + rowBg0 + rowBg1) >> 2; + dst[i] = (g << 4) | r; + } + } + else { _mesa_problem(NULL, "bad format in do_row()"); } @@ -1077,7 +1100,7 @@ do_row_3D(GLenum datatype, GLuint comps, GLint srcWidth, } } else if ((datatype == GL_UNSIGNED_BYTE_3_3_2) && (comps == 3)) { - DECLARE_ROW_POINTERS0(GLushort); + DECLARE_ROW_POINTERS0(GLubyte); for (i = j = 0, k = k0; i < (GLuint) dstWidth; i++, j += colStride, k += colStride) { @@ -1114,6 +1137,34 @@ do_row_3D(GLenum datatype, GLuint comps, GLint srcWidth, dst[i] = (b << 5) | (g << 2) | r; } } + else if (datatype == MESA_UNSIGNED_BYTE_4_4 && comps == 2) { + DECLARE_ROW_POINTERS0(GLubyte); + + for (i = j = 0, k = k0; i < (GLuint) dstWidth; + i++, j += colStride, k += colStride) { + const GLint rowAr0 = rowA[j] & 0xf; + const GLint rowAr1 = rowA[k] & 0xf; + const GLint rowBr0 = rowB[j] & 0xf; + const GLint rowBr1 = rowB[k] & 0xf; + const GLint rowCr0 = rowC[j] & 0xf; + const GLint rowCr1 = rowC[k] & 0xf; + const GLint rowDr0 = rowD[j] & 0xf; + const GLint rowDr1 = rowD[k] & 0xf; + const GLint rowAg0 = (rowA[j] >> 4) & 0xf; + const GLint rowAg1 = (rowA[k] >> 4) & 0xf; + const GLint rowBg0 = (rowB[j] >> 4) & 0xf; + const GLint rowBg1 = (rowB[k] >> 4) & 0xf; + const GLint rowCg0 = (rowC[j] >> 4) & 0xf; + const GLint rowCg1 = (rowC[k] >> 4) & 0xf; + const GLint rowDg0 = (rowD[j] >> 4) & 0xf; + const GLint rowDg1 = (rowD[k] >> 4) & 0xf; + const GLint r = FILTER_SUM_3D(rowAr0, rowAr1, rowBr0, rowBr1, + rowCr0, rowCr1, rowDr0, rowDr1); + const GLint g = FILTER_SUM_3D(rowAg0, rowAg1, rowBg0, rowBg1, + rowCg0, rowCg1, rowDg0, rowDg1); + dst[i] = (g << 4) | r; + } + } else { _mesa_problem(NULL, "bad format in do_row()"); } @@ -1704,12 +1755,22 @@ _mesa_generate_mipmap(struct gl_context *ctx, GLenum target, if (srcImage->_BaseFormat == GL_RGB) { convertFormat = MESA_FORMAT_RGB888; components = 3; - } - else if (srcImage->_BaseFormat == GL_RGBA) { + } else if (srcImage->_BaseFormat == GL_RED) { + convertFormat = MESA_FORMAT_R8; + components = 1; + } else if (srcImage->_BaseFormat == GL_RG) { + convertFormat = MESA_FORMAT_RG88; + components = 2; + } else if (srcImage->_BaseFormat == GL_RGBA) { convertFormat = MESA_FORMAT_RGBA8888; components = 4; - } - else { + } else if (srcImage->_BaseFormat == GL_LUMINANCE) { + convertFormat = MESA_FORMAT_L8; + components = 1; + } else if (srcImage->_BaseFormat == GL_LUMINANCE_ALPHA) { + convertFormat = MESA_FORMAT_AL88; + components = 2; + } else { _mesa_problem(ctx, "bad srcImage->_BaseFormat in _mesa_generate_mipmaps"); return; } |