diff options
Diffstat (limited to 'src/mesa/drivers/dri/r300/r300_emit.c')
| -rw-r--r-- | src/mesa/drivers/dri/r300/r300_emit.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_emit.c b/src/mesa/drivers/dri/r300/r300_emit.c index 1512e906e8..4bf0e7a189 100644 --- a/src/mesa/drivers/dri/r300/r300_emit.c +++ b/src/mesa/drivers/dri/r300/r300_emit.c @@ -177,14 +177,23 @@ GLuint r300VAPOutputCntl0(GLcontext * ctx, GLuint OutputsWritten) GLuint r300VAPOutputCntl1(GLcontext * ctx, GLuint OutputsWritten) { - GLuint i, ret = 0; + GLuint i, ret = 0, first_free_texcoord = 0; for (i = 0; i < ctx->Const.MaxTextureUnits; i++) { if (OutputsWritten & (1 << (VERT_RESULT_TEX0 + i))) { ret |= (4 << (3 * i)); + ++first_free_texcoord; } } + if (OutputsWritten & (1 << VERT_RESULT_FOGC)) { + if (first_free_texcoord > 8) { + fprintf(stderr, "\tout of free texcoords to write fog coord\n"); + _mesa_exit(-1); + } + ret |= 4 << (3 * first_free_texcoord); + } + return ret; } |