diff options
Diffstat (limited to 'src/mesa/main/format_pack.c')
| -rw-r--r-- | src/mesa/main/format_pack.c | 31 |
1 files changed, 19 insertions, 12 deletions
diff --git a/src/mesa/main/format_pack.c b/src/mesa/main/format_pack.c index e20e361c842..ff08ac56112 100644 --- a/src/mesa/main/format_pack.c +++ b/src/mesa/main/format_pack.c @@ -42,6 +42,14 @@ #include "../../gallium/auxiliary/util/u_format_r11g11b10f.h" +/** Helper struct for MESA_FORMAT_Z32_FLOAT_X24S8 */ +struct z32f_x24s8 +{ + float z; + uint32_t x24s8; +}; + + typedef void (*pack_ubyte_rgba_row_func)(GLuint n, const GLubyte src[][4], void *dst); @@ -2372,10 +2380,10 @@ _mesa_pack_float_z_row(gl_format format, GLuint n, break; case MESA_FORMAT_Z32_FLOAT_X24S8: { - GLfloat *d = ((GLfloat *) dst); + struct z32f_x24s8 *d = (struct z32f_x24s8 *) dst; GLuint i; for (i = 0; i < n; i++) { - d[i * 2] = src[i]; + d[i].z = src[i]; } } break; @@ -2445,13 +2453,13 @@ _mesa_pack_uint_z_row(gl_format format, GLuint n, break; case MESA_FORMAT_Z32_FLOAT_X24S8: { - GLfloat *d = ((GLfloat *) dst); + struct z32f_x24s8 *d = (struct z32f_x24s8 *) dst; const GLdouble scale = 1.0 / (GLdouble) 0xffffffff; GLuint i; for (i = 0; i < n; i++) { - d[i * 2] = src[i] * scale; - assert(d[i * 2] >= 0.0f); - assert(d[i * 2] <= 1.0f); + d[i].z = src[i] * scale; + assert(d[i].z >= 0.0f); + assert(d[i].z <= 1.0f); } } break; @@ -2495,10 +2503,10 @@ _mesa_pack_ubyte_stencil_row(gl_format format, GLuint n, break; case MESA_FORMAT_Z32_FLOAT_X24S8: { - GLuint *d = dst; + struct z32f_x24s8 *d = (struct z32f_x24s8 *) dst; GLuint i; for (i = 0; i < n; i++) { - d[i * 2 + 1] = src[i]; + d[i].x24s8 = src[i]; } } break; @@ -2533,13 +2541,12 @@ _mesa_pack_uint_24_8_depth_stencil_row(gl_format format, GLuint n, case MESA_FORMAT_Z32_FLOAT_X24S8: { const GLdouble scale = 1.0 / (GLdouble) 0xffffff; - GLuint *destu = (GLuint *) dst; - GLfloat *destf = (GLfloat *) dst; + struct z32f_x24s8 *d = (struct z32f_x24s8 *) 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; + d[i].z = z; + d[i].x24s8 = src[i]; } } break; |