diff options
author | Keith Whitwell <keithw@vmware.com> | 2010-05-21 15:41:06 +0100 |
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committer | Keith Whitwell <keithw@vmware.com> | 2010-05-21 15:41:06 +0100 |
commit | ef9b4d20d78a748e653a61286d83f33dc6c46184 (patch) | |
tree | 19c9c63de1ceeed4b2615ea5bd451f2e590b1018 /src/mesa/state_tracker/st_atom_rasterizer.c | |
parent | 0293b1abf54d0f262c3fe84ab9a3b5c525a95009 (diff) | |
parent | 0ff2373131011cf3d7dec737aa4ef5f54d2b7ba5 (diff) |
Merge branch 'gallium-front-ccw'
Diffstat (limited to 'src/mesa/state_tracker/st_atom_rasterizer.c')
-rw-r--r-- | src/mesa/state_tracker/st_atom_rasterizer.c | 74 |
1 files changed, 29 insertions, 45 deletions
diff --git a/src/mesa/state_tracker/st_atom_rasterizer.c b/src/mesa/state_tracker/st_atom_rasterizer.c index 5669b1f82a..2599bd5ca0 100644 --- a/src/mesa/state_tracker/st_atom_rasterizer.c +++ b/src/mesa/state_tracker/st_atom_rasterizer.c @@ -53,21 +53,6 @@ static GLuint translate_fill( GLenum mode ) } } -static GLboolean get_offset_flag( GLuint fill_mode, - const struct gl_polygon_attrib *p ) -{ - switch (fill_mode) { - case PIPE_POLYGON_MODE_POINT: - return p->OffsetPoint; - case PIPE_POLYGON_MODE_LINE: - return p->OffsetLine; - case PIPE_POLYGON_MODE_FILL: - return p->OffsetFill; - default: - assert(0); - return 0; - } -} static void update_raster_state( struct st_context *st ) @@ -82,10 +67,7 @@ static void update_raster_state( struct st_context *st ) /* _NEW_POLYGON, _NEW_BUFFERS */ { - if (ctx->Polygon.FrontFace == GL_CCW) - raster->front_winding = PIPE_WINDING_CCW; - else - raster->front_winding = PIPE_WINDING_CW; + raster->front_ccw = (ctx->Polygon.FrontFace == GL_CCW); /* XXX * I think the intention here is that user-created framebuffer objects @@ -94,7 +76,7 @@ static void update_raster_state( struct st_context *st ) * But this is an implementation/driver-specific artifact - remove... */ if (ctx->DrawBuffer && ctx->DrawBuffer->Name != 0) - raster->front_winding ^= PIPE_WINDING_BOTH; + raster->front_ccw ^= 1; } /* _NEW_LIGHT @@ -131,40 +113,36 @@ static void update_raster_state( struct st_context *st ) /* _NEW_POLYGON */ if (ctx->Polygon.CullFlag) { - if (ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK) { - raster->cull_mode = PIPE_WINDING_BOTH; - } - else if (ctx->Polygon.CullFaceMode == GL_FRONT) { - raster->cull_mode = raster->front_winding; - } - else { - raster->cull_mode = raster->front_winding ^ PIPE_WINDING_BOTH; + switch (ctx->Polygon.CullFaceMode) { + case GL_FRONT: + raster->cull_face = PIPE_FACE_FRONT; + break; + case GL_BACK: + raster->cull_face = PIPE_FACE_BACK; + break; + case GL_FRONT_AND_BACK: + raster->cull_face = PIPE_FACE_FRONT_AND_BACK; + break; } } + else { + raster->cull_face = PIPE_FACE_NONE; + } /* _NEW_POLYGON */ { - GLuint fill_front = translate_fill( ctx->Polygon.FrontMode ); - GLuint fill_back = translate_fill( ctx->Polygon.BackMode ); - - if (raster->front_winding == PIPE_WINDING_CW) { - raster->fill_cw = fill_front; - raster->fill_ccw = fill_back; - } - else { - raster->fill_cw = fill_back; - raster->fill_ccw = fill_front; - } + raster->fill_front = translate_fill( ctx->Polygon.FrontMode ); + raster->fill_back = translate_fill( ctx->Polygon.BackMode ); /* Simplify when culling is active: */ - if (raster->cull_mode & PIPE_WINDING_CW) { - raster->fill_cw = raster->fill_ccw; + if (raster->cull_face & PIPE_FACE_FRONT) { + raster->fill_front = raster->fill_back; } - if (raster->cull_mode & PIPE_WINDING_CCW) { - raster->fill_ccw = raster->fill_cw; + if (raster->cull_face & PIPE_FACE_BACK) { + raster->fill_back = raster->fill_front; } } @@ -172,8 +150,14 @@ static void update_raster_state( struct st_context *st ) */ if (ctx->Polygon.OffsetUnits != 0.0 || ctx->Polygon.OffsetFactor != 0.0) { - raster->offset_cw = get_offset_flag( raster->fill_cw, &ctx->Polygon ); - raster->offset_ccw = get_offset_flag( raster->fill_ccw, &ctx->Polygon ); + raster->offset_point = ctx->Polygon.OffsetPoint; + raster->offset_line = ctx->Polygon.OffsetLine; + raster->offset_tri = ctx->Polygon.OffsetFill; + } + + if (ctx->Polygon.OffsetPoint || + ctx->Polygon.OffsetLine || + ctx->Polygon.OffsetFill) { raster->offset_units = ctx->Polygon.OffsetUnits; raster->offset_scale = ctx->Polygon.OffsetFactor; } |