fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-05-08 22:08:26 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

mesa: implement generate-mipmap fallback for RGB10_A2

Browse source 
I hit this when testing RV350, which lacks RGB10_A2 render target
support. It had been missed when implementing the format and probably
unused by anything else too.

Not applicable to 7.10.

Reviewed-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Marek Olšák 2011-04-22 18:22:51 +02:00
parent 077b1a6144
commit 628544421d
1 changed files with 80 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

80
src/mesa/main/mipmap.c
View file

@ -634,6 +634,37 @@ do_row(GLenum datatype, GLuint comps, GLint srcWidth,
}
}
else if (datatype == GL_UNSIGNED_INT_2_10_10_10_REV && comps == 4) {
GLuint i, j, k;
const GLuint *rowA = (const GLuint *) srcRowA;
const GLuint *rowB = (const GLuint *) srcRowB;
GLuint *dst = (GLuint *) dstRow;
for (i = j = 0, k = k0; i < (GLuint) dstWidth;
i++, j += colStride, k += colStride) {
const GLint rowAr0 = rowA[j] & 0x3ff;
const GLint rowAr1 = rowA[k] & 0x3ff;
const GLint rowBr0 = rowB[j] & 0x3ff;
const GLint rowBr1 = rowB[k] & 0x3ff;
const GLint rowAg0 = (rowA[j] >> 10) & 0x3ff;
const GLint rowAg1 = (rowA[k] >> 10) & 0x3ff;
const GLint rowBg0 = (rowB[j] >> 10) & 0x3ff;
const GLint rowBg1 = (rowB[k] >> 10) & 0x3ff;
const GLint rowAb0 = (rowA[j] >> 20) & 0x3ff;
const GLint rowAb1 = (rowA[k] >> 20) & 0x3ff;
const GLint rowBb0 = (rowB[j] >> 20) & 0x3ff;
const GLint rowBb1 = (rowB[k] >> 20) & 0x3ff;
const GLint rowAa0 = (rowA[j] >> 30) & 0x3;
const GLint rowAa1 = (rowA[k] >> 30) & 0x3;
const GLint rowBa0 = (rowB[j] >> 30) & 0x3;
const GLint rowBa1 = (rowB[k] >> 30) & 0x3;
const GLint red = (rowAr0 + rowAr1 + rowBr0 + rowBr1) >> 2;
const GLint green = (rowAg0 + rowAg1 + rowBg0 + rowBg1) >> 2;
const GLint blue = (rowAb0 + rowAb1 + rowBb0 + rowBb1) >> 2;
const GLint alpha = (rowAa0 + rowAa1 + rowBa0 + rowBa1) >> 2;
dst[i] = (alpha << 30) | (blue << 20) | (green << 10) | red;
}
}
else {
_mesa_problem(NULL, "bad format in do_row()");
}
@ -1165,6 +1196,55 @@ do_row_3D(GLenum datatype, GLuint comps, GLint srcWidth,
dst[i] = (g << 4) | r;
}
}
else if ((datatype == GL_UNSIGNED_INT_2_10_10_10_REV) && (comps == 4)) {
DECLARE_ROW_POINTERS0(GLuint);
for (i = j = 0, k = k0; i < (GLuint) dstWidth;
i++, j += colStride, k += colStride) {
const GLint rowAr0 = rowA[j] & 0x3ff;
const GLint rowAr1 = rowA[k] & 0x3ff;
const GLint rowBr0 = rowB[j] & 0x3ff;
const GLint rowBr1 = rowB[k] & 0x3ff;
const GLint rowCr0 = rowC[j] & 0x3ff;
const GLint rowCr1 = rowC[k] & 0x3ff;
const GLint rowDr0 = rowD[j] & 0x3ff;
const GLint rowDr1 = rowD[k] & 0x3ff;
const GLint rowAg0 = (rowA[j] >> 10) & 0x3ff;
const GLint rowAg1 = (rowA[k] >> 10) & 0x3ff;
const GLint rowBg0 = (rowB[j] >> 10) & 0x3ff;
const GLint rowBg1 = (rowB[k] >> 10) & 0x3ff;
const GLint rowCg0 = (rowC[j] >> 10) & 0x3ff;
const GLint rowCg1 = (rowC[k] >> 10) & 0x3ff;
const GLint rowDg0 = (rowD[j] >> 10) & 0x3ff;
const GLint rowDg1 = (rowD[k] >> 10) & 0x3ff;
const GLint rowAb0 = (rowA[j] >> 20) & 0x3ff;
const GLint rowAb1 = (rowA[k] >> 20) & 0x3ff;
const GLint rowBb0 = (rowB[j] >> 20) & 0x3ff;
const GLint rowBb1 = (rowB[k] >> 20) & 0x3ff;
const GLint rowCb0 = (rowC[j] >> 20) & 0x3ff;
const GLint rowCb1 = (rowC[k] >> 20) & 0x3ff;
const GLint rowDb0 = (rowD[j] >> 20) & 0x3ff;
const GLint rowDb1 = (rowD[k] >> 20) & 0x3ff;
const GLint rowAa0 = (rowA[j] >> 30) & 0x3;
const GLint rowAa1 = (rowA[k] >> 30) & 0x3;
const GLint rowBa0 = (rowB[j] >> 30) & 0x3;
const GLint rowBa1 = (rowB[k] >> 30) & 0x3;
const GLint rowCa0 = (rowC[j] >> 30) & 0x3;
const GLint rowCa1 = (rowC[k] >> 30) & 0x3;
const GLint rowDa0 = (rowD[j] >> 30) & 0x3;
const GLint rowDa1 = (rowD[k] >> 30) & 0x3;
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);
const GLint b = FILTER_SUM_3D(rowAb0, rowAb1, rowBb0, rowBb1,
rowCb0, rowCb1, rowDb0, rowDb1);
const GLint a = FILTER_SUM_3D(rowAa0, rowAa1, rowBa0, rowBa1,
rowCa0, rowCa1, rowDa0, rowDa1);
dst[i] = (a << 30) | (b << 20) | (g << 10) | r;
}
}
else {
_mesa_problem(NULL, "bad format in do_row()");
}