diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2009-09-19 14:46:06 -0400 |
|---|---|---|
| committer | Alex Deucher <alexdeucher@gmail.com> | 2009-09-19 14:48:44 -0400 |
| commit | 368fb578f86c53d888324f9bb25369216b3187b1 (patch) | |
| tree | 4660d0d5df78e356827fd3d03b48383387c96bd4 | |
| parent | 67cad78e08f1a0770c5a7f67ecaf8145b2fdbdc4 (diff) | |
r600: fix polygon offset
| -rw-r--r-- | src/mesa/drivers/dri/r600/r700_state.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/mesa/drivers/dri/r600/r700_state.c b/src/mesa/drivers/dri/r600/r700_state.c index e91aa43118..8477c88c58 100644 --- a/src/mesa/drivers/dri/r600/r700_state.c +++ b/src/mesa/drivers/dri/r600/r700_state.c @@ -1130,20 +1130,25 @@ static void r700PolygonOffset(GLcontext * ctx, GLfloat factor, GLfloat units) // context_t *context = R700_CONTEXT(ctx); R700_CHIP_CONTEXT *r700 = (R700_CHIP_CONTEXT*)(&context->hw); GLfloat constant = units; + GLchar depth = 0; + + R600_STATECHANGE(context, poly); switch (ctx->Visual.depthBits) { case 16: constant *= 4.0; + depth = -16; break; case 24: constant *= 2.0; + depth = -24; break; } factor *= 12.0; - - R600_STATECHANGE(context, poly); - + SETfield(r700->PA_SU_POLY_OFFSET_DB_FMT_CNTL.u32All, depth, + POLY_OFFSET_NEG_NUM_DB_BITS_shift, POLY_OFFSET_NEG_NUM_DB_BITS_mask); + //r700->PA_SU_POLY_OFFSET_CLAMP.f32All = constant; //??? r700->PA_SU_POLY_OFFSET_FRONT_SCALE.f32All = factor; r700->PA_SU_POLY_OFFSET_FRONT_OFFSET.f32All = constant; r700->PA_SU_POLY_OFFSET_BACK_SCALE.f32All = factor; |