diff options
Diffstat (limited to 'src/gallium/drivers')
| -rw-r--r-- | src/gallium/drivers/r300/r300_state.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/src/gallium/drivers/r300/r300_state.c b/src/gallium/drivers/r300/r300_state.c index 5a65f0ccfbd..1344415861c 100644 --- a/src/gallium/drivers/r300/r300_state.c +++ b/src/gallium/drivers/r300/r300_state.c @@ -744,10 +744,21 @@ static void* r300_create_rs_state(struct pipe_context* pipe, (pack_float_16_6x(state->point_size) << R300_POINTSIZE_X_SHIFT); /* Point size clamping. */ - psiz = pipe->screen->get_paramf(pipe->screen, - PIPE_CAP_MAX_POINT_WIDTH); - rs->point_minmax = - (pack_float_16_6x(psiz)) << R300_GA_POINT_MINMAX_MAX_SHIFT; + if (state->point_size_per_vertex) { + /* Per-vertex point size. + * Clamp to [0, max FB size] */ + psiz = pipe->screen->get_paramf(pipe->screen, + PIPE_CAP_MAX_POINT_WIDTH); + rs->point_minmax = + pack_float_16_6x(psiz) << R300_GA_POINT_MINMAX_MAX_SHIFT; + } else { + /* We cannot disable the point-size vertex output, + * so clamp it. */ + psiz = state->point_size; + rs->point_minmax = + (pack_float_16_6x(psiz) << R300_GA_POINT_MINMAX_MIN_SHIFT) | + (pack_float_16_6x(psiz) << R300_GA_POINT_MINMAX_MAX_SHIFT); + } /* Line control. */ rs->line_control = pack_float_16_6x(state->line_width) | |