fdo-mirrors/mesa
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/mesa/mesa.git synced 2026-01-04 20:00:11 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

mesa: add MESA_FORMAT_Z32_FLOAT_X24S8 case in format unpack code

Browse source 
Added in _mesa_pack_uint_24_8_depth_stencil_row().  This could be hit
by something like glDrawPixels(GL_DEPTH_STENCIL, GL_UNSIGNED_INT_24_8)
into a MESA_FORMAT_Z32_FLOAT_X24S8 buffer.

Reviewed-by: Jose Fonseca <jfonseca@vmware.com>
This commit is contained in:
Brian Paul 2012-02-13 08:49:34 -07:00
parent 5e81d3b853
commit 82ddd1129e
1 changed files with 13 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
src/mesa/main/format_pack.c
View file

@ -2530,6 +2530,19 @@ _mesa_pack_uint_24_8_depth_stencil_row(gl_format format, GLuint n,
}
}
break;
case MESA_FORMAT_Z32_FLOAT_X24S8:
{
const GLdouble scale = 1.0 / (GLdouble) 0xffffff;
GLuint *destu = (GLuint *) dst;
GLfloat *destf = (GLfloat *) dst;
GLint i;
for (i = 0; i < n; i++) {
GLfloat z = (src[i] >> 8) * scale;
destf[i * 2 + 0] = z;
destu[i * 2 + 1] = src[i] & 0xff;
}
}
break;
default:
_mesa_problem(NULL, "bad format %s in _mesa_pack_ubyte_s_row",
_mesa_get_format_name(format));