diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_sf_state.c')
-rw-r--r-- | src/mesa/drivers/dri/i965/brw_sf_state.c | 104 |
1 files changed, 55 insertions, 49 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_sf_state.c b/src/mesa/drivers/dri/i965/brw_sf_state.c index 506126fcfb..e96d5354b3 100644 --- a/src/mesa/drivers/dri/i965/brw_sf_state.c +++ b/src/mesa/drivers/dri/i965/brw_sf_state.c @@ -42,45 +42,30 @@ static void upload_sf_vp(struct brw_context *brw) GLcontext *ctx = &brw->intel.ctx; const GLfloat depth_scale = 1.0F / ctx->DrawBuffer->_DepthMaxF; struct brw_sf_viewport sfv; - struct intel_renderbuffer *irb = - intel_renderbuffer(ctx->DrawBuffer->_ColorDrawBuffers[0]); GLfloat y_scale, y_bias; + const GLboolean render_to_fbo = (ctx->DrawBuffer->Name != 0); memset(&sfv, 0, sizeof(sfv)); - if (ctx->DrawBuffer->Name) { - /* User-created FBO */ - if (irb && !irb->RenderToTexture) { - y_scale = -1.0; - y_bias = ctx->DrawBuffer->Height; - } else { - y_scale = 1.0; - y_bias = 0; - } - } else { + if (render_to_fbo) { + y_scale = 1.0; + y_bias = 0; + } + else { y_scale = -1.0; y_bias = ctx->DrawBuffer->Height; } - /* _NEW_VIEWPORT, BRW_NEW_METAOPS */ - - if (!brw->metaops.active) { - const GLfloat *v = ctx->Viewport._WindowMap.m; - - sfv.viewport.m00 = v[MAT_SX]; - sfv.viewport.m11 = v[MAT_SY] * y_scale; - sfv.viewport.m22 = v[MAT_SZ] * depth_scale; - sfv.viewport.m30 = v[MAT_TX]; - sfv.viewport.m31 = v[MAT_TY] * y_scale + y_bias; - sfv.viewport.m32 = v[MAT_TZ] * depth_scale; - } else { - sfv.viewport.m00 = 1; - sfv.viewport.m11 = - 1; - sfv.viewport.m22 = 1; - sfv.viewport.m30 = 0; - sfv.viewport.m31 = ctx->DrawBuffer->Height; - sfv.viewport.m32 = 0; - } + /* _NEW_VIEWPORT */ + + const GLfloat *v = ctx->Viewport._WindowMap.m; + + sfv.viewport.m00 = v[MAT_SX]; + sfv.viewport.m11 = v[MAT_SY] * y_scale; + sfv.viewport.m22 = v[MAT_SZ] * depth_scale; + sfv.viewport.m30 = v[MAT_TX]; + sfv.viewport.m31 = v[MAT_TY] * y_scale + y_bias; + sfv.viewport.m32 = v[MAT_TZ] * depth_scale; /* _NEW_SCISSOR */ @@ -91,10 +76,20 @@ static void upload_sf_vp(struct brw_context *brw) * Note that the hardware's coordinates are inclusive, while Mesa's min is * inclusive but max is exclusive. */ - sfv.scissor.xmin = ctx->DrawBuffer->_Xmin; - sfv.scissor.xmax = ctx->DrawBuffer->_Xmax - 1; - sfv.scissor.ymin = ctx->DrawBuffer->Height - ctx->DrawBuffer->_Ymax; - sfv.scissor.ymax = ctx->DrawBuffer->Height - ctx->DrawBuffer->_Ymin - 1; + if (render_to_fbo) { + /* texmemory: Y=0=bottom */ + sfv.scissor.xmin = ctx->DrawBuffer->_Xmin; + sfv.scissor.xmax = ctx->DrawBuffer->_Xmax - 1; + sfv.scissor.ymin = ctx->DrawBuffer->_Ymin; + sfv.scissor.ymax = ctx->DrawBuffer->_Ymax - 1; + } + else { + /* memory: Y=0=top */ + sfv.scissor.xmin = ctx->DrawBuffer->_Xmin; + sfv.scissor.xmax = ctx->DrawBuffer->_Xmax - 1; + sfv.scissor.ymin = ctx->DrawBuffer->Height - ctx->DrawBuffer->_Ymax; + sfv.scissor.ymax = ctx->DrawBuffer->Height - ctx->DrawBuffer->_Ymin - 1; + } dri_bo_unreference(brw->sf.vp_bo); brw->sf.vp_bo = brw_cache_data( &brw->cache, BRW_SF_VP, &sfv, NULL, 0 ); @@ -104,7 +99,7 @@ const struct brw_tracked_state brw_sf_vp = { .dirty = { .mesa = (_NEW_VIEWPORT | _NEW_SCISSOR), - .brw = BRW_NEW_METAOPS, + .brw = 0, .cache = 0 }, .prepare = upload_sf_vp @@ -117,7 +112,11 @@ struct brw_sf_unit_key { unsigned int nr_urb_entries, urb_size, sfsize; GLenum front_face, cull_face; - GLboolean scissor, line_smooth, point_sprite, point_attenuated; + unsigned scissor:1; + unsigned line_smooth:1; + unsigned point_sprite:1; + unsigned point_attenuated:1; + unsigned render_to_fbo:1; float line_width; float point_size; }; @@ -125,6 +124,7 @@ struct brw_sf_unit_key { static void sf_unit_populate_key(struct brw_context *brw, struct brw_sf_unit_key *key) { + GLcontext *ctx = &brw->intel.ctx; memset(key, 0, sizeof(*key)); /* CACHE_NEW_SF_PROG */ @@ -136,20 +136,22 @@ sf_unit_populate_key(struct brw_context *brw, struct brw_sf_unit_key *key) key->urb_size = brw->urb.vsize; key->sfsize = brw->urb.sfsize; - key->scissor = brw->attribs.Scissor->Enabled; - key->front_face = brw->attribs.Polygon->FrontFace; + key->scissor = ctx->Scissor.Enabled; + key->front_face = ctx->Polygon.FrontFace; - if (brw->attribs.Polygon->CullFlag) - key->cull_face = brw->attribs.Polygon->CullFaceMode; + if (ctx->Polygon.CullFlag) + key->cull_face = ctx->Polygon.CullFaceMode; else key->cull_face = GL_NONE; - key->line_width = brw->attribs.Line->Width; - key->line_smooth = brw->attribs.Line->SmoothFlag; + key->line_width = ctx->Line.Width; + key->line_smooth = ctx->Line.SmoothFlag; + + key->point_sprite = ctx->Point.PointSprite; + key->point_size = ctx->Point.Size; + key->point_attenuated = ctx->Point._Attenuated; - key->point_sprite = brw->attribs.Point->PointSprite; - key->point_size = brw->attribs.Point->Size; - key->point_attenuated = brw->attribs.Point->_Attenuated; + key->render_to_fbo = brw->intel.ctx.DrawBuffer->Name != 0; } static dri_bo * @@ -196,6 +198,11 @@ sf_unit_create_from_key(struct brw_context *brw, struct brw_sf_unit_key *key, else sf.sf5.front_winding = BRW_FRONTWINDING_CW; + /* The viewport is inverted for rendering to a FBO, and that inverts + * polygon front/back orientation. + */ + sf.sf5.front_winding ^= key->render_to_fbo; + switch (key->cull_face) { case GL_FRONT: sf.sf6.cull_mode = BRW_CULLMODE_FRONT; @@ -229,7 +236,7 @@ sf_unit_create_from_key(struct brw_context *brw, struct brw_sf_unit_key *key, /* XXX clamp max depends on AA vs. non-AA */ sf.sf7.sprite_point = key->point_sprite; - sf.sf7.point_size = CLAMP(nearbyint(key->point_size), 1, 255) * (1<<3); + sf.sf7.point_size = CLAMP(rint(key->point_size), 1, 255) * (1<<3); sf.sf7.use_point_size_state = !key->point_attenuated; sf.sf7.aa_line_distance_mode = 0; @@ -294,8 +301,7 @@ const struct brw_tracked_state brw_sf_unit = { _NEW_LINE | _NEW_POINT | _NEW_SCISSOR), - .brw = (BRW_NEW_URB_FENCE | - BRW_NEW_METAOPS), + .brw = BRW_NEW_URB_FENCE, .cache = (CACHE_NEW_SF_VP | CACHE_NEW_SF_PROG) }, |