diff options
| -rw-r--r-- | src/mesa/drivers/dri/r600/r700_state.c | 53 |
1 files changed, 45 insertions, 8 deletions
diff --git a/src/mesa/drivers/dri/r600/r700_state.c b/src/mesa/drivers/dri/r600/r700_state.c index 9f7e45a4b78..6b0aa686e7b 100644 --- a/src/mesa/drivers/dri/r600/r700_state.c +++ b/src/mesa/drivers/dri/r600/r700_state.c @@ -816,8 +816,51 @@ static void r700ShadeModel(GLcontext * ctx, GLenum mode) //-------------------- } } +/* ============================================================= + * Point state + */ +static void r700PointSize(GLcontext * ctx, GLfloat size) +{ + context_t *context = R700_CONTEXT(ctx); + R700_CHIP_CONTEXT *r700 = (R700_CHIP_CONTEXT*)(&context->hw); + + /* We need to clamp to user defined range here, because + * the HW clamping happens only for per vertex point size. */ + size = CLAMP(size, ctx->Point.MinSize, ctx->Point.MaxSize); + + /* same size limits for AA, non-AA points */ + size = CLAMP(size, ctx->Const.MinPointSize, ctx->Const.MaxPointSize); + + /* format is 12.4 fixed point */ + SETfield(r700->PA_SU_POINT_SIZE.u32All, (int)(size * 16), + PA_SU_POINT_SIZE__HEIGHT_shift, PA_SU_POINT_SIZE__HEIGHT_mask); + SETfield(r700->PA_SU_POINT_SIZE.u32All, (int)(size * 16), + PA_SU_POINT_SIZE__WIDTH_shift, PA_SU_POINT_SIZE__WIDTH_mask); + +} + static void r700PointParameter(GLcontext * ctx, GLenum pname, const GLfloat * param) //--------------- { + context_t *context = R700_CONTEXT(ctx); + R700_CHIP_CONTEXT *r700 = (R700_CHIP_CONTEXT*)(&context->hw); + + /* format is 12.4 fixed point */ + switch (pname) { + case GL_POINT_SIZE_MIN: + SETfield(r700->PA_SU_POINT_MINMAX.u32All, (int)(ctx->Point.MinSize * 16.0), + MIN_SIZE_shift, MIN_SIZE_mask); + break; + case GL_POINT_SIZE_MAX: + SETfield(r700->PA_SU_POINT_MINMAX.u32All, (int)(ctx->Point.MaxSize * 16.0), + MAX_SIZE_shift, MAX_SIZE_mask); + break; + case GL_POINT_DISTANCE_ATTENUATION: + break; + case GL_POINT_FADE_THRESHOLD_SIZE: + break; + default: + break; + } } static void r700StencilFuncSeparate(GLcontext * ctx, GLenum face, @@ -896,10 +939,6 @@ static void r700DepthRange(GLcontext * ctx, GLclampd nearval, GLclampd farval) / r700UpdateWindow(ctx, 0); } -static void r700PointSize(GLcontext * ctx, GLfloat size) //------------------- -{ -} - static void r700LineWidth(GLcontext * ctx, GLfloat widthf) //--------------- { context_t *context = R700_CONTEXT(ctx); @@ -1550,10 +1589,8 @@ void r700InitState(GLcontext * ctx) //------------------- SETbit(r700->PA_CL_VTE_CNTL.u32All, VPORT_Z_OFFSET_ENA_bit); /* Set up point sizes and min/max values */ - SETfield(r700->PA_SU_POINT_SIZE.u32All, 0x8, - PA_SU_POINT_SIZE__HEIGHT_shift, PA_SU_POINT_SIZE__HEIGHT_mask); - SETfield(r700->PA_SU_POINT_SIZE.u32All, 0x8, - PA_SU_POINT_SIZE__WIDTH_shift, PA_SU_POINT_SIZE__WIDTH_mask); + r700PointSize(ctx, 1.0); + CLEARfield(r700->PA_SU_POINT_MINMAX.u32All, MIN_SIZE_mask); SETfield(r700->PA_SU_POINT_MINMAX.u32All, 0x8000, MAX_SIZE_shift, MAX_SIZE_mask); |