X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fstate_tracker%2Fst_atom_rasterizer.c;h=4af7bdc97d25e1d57720a9f764a9fb8541d3a8bf;hb=500b0735c0caa293d22fb3728cb76d267a016834;hp=0fe333ae8aa2072dae9a56a73c110d9bcc3f350e;hpb=e22e3927b056806e9bbb089734132ad0bcb98df1;p=mesa.git diff --git a/src/mesa/state_tracker/st_atom_rasterizer.c b/src/mesa/state_tracker/st_atom_rasterizer.c index 0fe333ae8aa..4af7bdc97d2 100644 --- a/src/mesa/state_tracker/st_atom_rasterizer.c +++ b/src/mesa/state_tracker/st_atom_rasterizer.c @@ -1,8 +1,8 @@ /************************************************************************** - * - * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * + * Copyright 2007 VMware, Inc. * All Rights Reserved. - * + * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including @@ -10,35 +10,41 @@ * distribute, sub license, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: - * + * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial portions * of the Software. - * + * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. - * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * + * **************************************************************************/ /* * Authors: - * Keith Whitwell + * Keith Whitwell */ - + #include "main/macros.h" +#include "main/framebuffer.h" +#include "main/state.h" #include "st_context.h" #include "st_atom.h" +#include "st_debug.h" +#include "st_program.h" +#include "st_util.h" #include "pipe/p_context.h" #include "pipe/p_defines.h" #include "cso_cache/cso_context.h" -static GLuint translate_fill( GLenum mode ) +static GLuint +translate_fill(GLenum mode) { switch (mode) { case GL_POINT: @@ -47,21 +53,20 @@ static GLuint translate_fill( GLenum mode ) return PIPE_POLYGON_MODE_LINE; case GL_FILL: return PIPE_POLYGON_MODE_FILL; + case GL_FILL_RECTANGLE_NV: + return PIPE_POLYGON_MODE_FILL_RECTANGLE; default: assert(0); return 0; } } - - -static void update_raster_state( struct st_context *st ) +void +st_update_rasterizer(struct st_context *st) { - GLcontext *ctx = st->ctx; + struct gl_context *ctx = st->ctx; struct pipe_rasterizer_state *raster = &st->state.rasterizer; - const struct gl_vertex_program *vertProg = ctx->VertexProgram._Current; - const struct gl_fragment_program *fragProg = ctx->FragmentProgram._Current; - uint i; + const struct gl_program *fragProg = ctx->FragmentProgram._Current; memset(raster, 0, sizeof(*raster)); @@ -70,59 +75,51 @@ static void update_raster_state( struct st_context *st ) { raster->front_ccw = (ctx->Polygon.FrontFace == GL_CCW); - /* XXX - * I think the intention here is that user-created framebuffer objects - * use Y=0=TOP layout instead of OpenGL's normal Y=0=bottom layout. - * Flipping Y changes CW to CCW and vice-versa. - * But this is an implementation/driver-specific artifact - remove... + /* _NEW_TRANSFORM */ + if (ctx->Transform.ClipOrigin == GL_UPPER_LEFT) { + raster->front_ccw ^= 1; + } + + /* + * Gallium's surfaces are Y=0=TOP orientation. OpenGL is the + * opposite. Window system surfaces are Y=0=TOP. Mesa's FBOs + * must match OpenGL conventions so FBOs use Y=0=BOTTOM. In that + * case, we must invert Y and flip the notion of front vs. back. */ - if (ctx->DrawBuffer && ctx->DrawBuffer->Name != 0) + if (st->state.fb_orientation == Y_0_BOTTOM) { + /* Drawing to an FBO. The viewport will be inverted. */ raster->front_ccw ^= 1; + } } /* _NEW_LIGHT */ - if (ctx->Light.ShadeModel == GL_FLAT) - raster->flatshade = 1; + raster->flatshade = !st->lower_flatshade && + ctx->Light.ShadeModel == GL_FLAT; - if (ctx->Light.ProvokingVertex == GL_FIRST_VERTEX_CONVENTION_EXT) - raster->flatshade_first = 1; + raster->flatshade_first = ctx->Light.ProvokingVertex == + GL_FIRST_VERTEX_CONVENTION_EXT; - /* _NEW_LIGHT | _NEW_PROGRAM - * - * Back-face colors can come from traditional lighting (when - * GL_LIGHT_MODEL_TWO_SIDE is set) or from vertex programs/shaders (when - * GL_VERTEX_PROGRAM_TWO_SIDE is set). Note the logic here. - */ - if (ctx->VertexProgram._Current) { - if (ctx->VertexProgram._Enabled || - (ctx->Shader.CurrentProgram && - ctx->Shader.CurrentProgram->VertexProgram && - ctx->Shader.CurrentProgram->LinkStatus)) { - /* user-defined vertex program or shader */ - raster->light_twoside = ctx->VertexProgram.TwoSideEnabled; - } - else { - /* TNL-generated program */ - raster->light_twoside = ctx->Light.Enabled && ctx->Light.Model.TwoSide; - } - } - else if (ctx->Light.Enabled && ctx->Light.Model.TwoSide) { - raster->light_twoside = 1; - } + /* _NEW_LIGHT | _NEW_PROGRAM */ + if (!st->lower_two_sided_color) + raster->light_twoside = _mesa_vertex_program_two_side_enabled(ctx); + + /*_NEW_LIGHT | _NEW_BUFFERS */ + raster->clamp_vertex_color = !st->clamp_vert_color_in_shader && + ctx->Light._ClampVertexColor; /* _NEW_POLYGON */ if (ctx->Polygon.CullFlag) { switch (ctx->Polygon.CullFaceMode) { case GL_FRONT: - raster->cull_face = PIPE_FACE_FRONT; + raster->cull_face = PIPE_FACE_FRONT; break; case GL_BACK: - raster->cull_face = PIPE_FACE_BACK; + raster->cull_face = PIPE_FACE_BACK; break; case GL_FRONT_AND_BACK: - raster->cull_face = PIPE_FACE_FRONT_AND_BACK; + raster->cull_face = PIPE_FACE_FRONT_AND_BACK; break; } } @@ -133,71 +130,67 @@ static void update_raster_state( struct st_context *st ) /* _NEW_POLYGON */ { - raster->fill_front = translate_fill( ctx->Polygon.FrontMode ); - raster->fill_back = translate_fill( ctx->Polygon.BackMode ); + if (ST_DEBUG & DEBUG_WIREFRAME) { + raster->fill_front = PIPE_POLYGON_MODE_LINE; + raster->fill_back = PIPE_POLYGON_MODE_LINE; + } + else { + raster->fill_front = translate_fill(ctx->Polygon.FrontMode); + raster->fill_back = translate_fill(ctx->Polygon.BackMode); + } /* Simplify when culling is active: */ if (raster->cull_face & PIPE_FACE_FRONT) { - raster->fill_front = raster->fill_back; + raster->fill_front = raster->fill_back; } - + if (raster->cull_face & PIPE_FACE_BACK) { - raster->fill_back = raster->fill_front; + raster->fill_back = raster->fill_front; } } - /* _NEW_POLYGON + /* _NEW_POLYGON */ - if (ctx->Polygon.OffsetUnits != 0.0 || - ctx->Polygon.OffsetFactor != 0.0) { - 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_point = ctx->Polygon.OffsetPoint; + raster->offset_line = ctx->Polygon.OffsetLine; + raster->offset_tri = ctx->Polygon.OffsetFill; raster->offset_units = ctx->Polygon.OffsetUnits; raster->offset_scale = ctx->Polygon.OffsetFactor; + raster->offset_clamp = ctx->Polygon.OffsetClamp; } - if (ctx->Polygon.SmoothFlag) - raster->poly_smooth = 1; - - if (ctx->Polygon.StippleFlag) - raster->poly_stipple_enable = 1; + raster->poly_smooth = ctx->Polygon.SmoothFlag; + raster->poly_stipple_enable = ctx->Polygon.StippleFlag; /* _NEW_POINT */ raster->point_size = ctx->Point.Size; - - if (!ctx->Point.PointSprite && ctx->Point.SmoothFlag) - raster->point_smooth = 1; + raster->point_smooth = !ctx->Point.PointSprite && ctx->Point.SmoothFlag; /* _NEW_POINT | _NEW_PROGRAM */ if (ctx->Point.PointSprite) { /* origin */ if ((ctx->Point.SpriteOrigin == GL_UPPER_LEFT) ^ - (st_fb_orientation(ctx->DrawBuffer) == Y_0_BOTTOM)) + (st->state.fb_orientation == Y_0_BOTTOM)) raster->sprite_coord_mode = PIPE_SPRITE_COORD_UPPER_LEFT; - else + else raster->sprite_coord_mode = PIPE_SPRITE_COORD_LOWER_LEFT; /* Coord replacement flags. If bit 'k' is set that means * that we need to replace GENERIC[k] attrib with an automatically * computed texture coord. */ - for (i = 0; i < MAX_TEXTURE_COORD_UNITS; i++) { - if (ctx->Point.CoordReplace[i]) { - raster->sprite_coord_enable |= 1 << i; - } - } - if (fragProg->Base.InputsRead & FRAG_BIT_PNTC) { + raster->sprite_coord_enable = ctx->Point.CoordReplace & + ((1u << MAX_TEXTURE_COORD_UNITS) - 1); + if (!st->needs_texcoord_semantic && + fragProg->info.inputs_read & VARYING_BIT_PNTC) { raster->sprite_coord_enable |= - 1 << (FRAG_ATTRIB_PNTC - FRAG_ATTRIB_TEX0); + 1 << st_get_generic_varying_index(st, VARYING_SLOT_PNTC); } raster->point_quad_rasterization = 1; @@ -205,18 +198,7 @@ static void update_raster_state( struct st_context *st ) /* ST_NEW_VERTEX_PROGRAM */ - if (vertProg) { - if (vertProg->Base.Id == 0) { - if (vertProg->Base.OutputsWritten & BITFIELD64_BIT(VERT_RESULT_PSIZ)) { - /* generated program which emits point size */ - raster->point_size_per_vertex = TRUE; - } - } - else if (ctx->VertexProgram.PointSizeEnabled) { - /* user-defined program and GL_VERTEX_PROGRAM_POINT_SIZE set */ - raster->point_size_per_vertex = ctx->VertexProgram.PointSizeEnabled; - } - } + raster->point_size_per_vertex = st_point_size_per_vertex(ctx); if (!raster->point_size_per_vertex) { /* clamp size now */ raster->point_size = CLAMP(ctx->Point.Size, @@ -229,13 +211,13 @@ static void update_raster_state( struct st_context *st ) raster->line_smooth = ctx->Line.SmoothFlag; if (ctx->Line.SmoothFlag) { raster->line_width = CLAMP(ctx->Line.Width, - ctx->Const.MinLineWidthAA, - ctx->Const.MaxLineWidthAA); + ctx->Const.MinLineWidthAA, + ctx->Const.MaxLineWidthAA); } else { raster->line_width = CLAMP(ctx->Line.Width, - ctx->Const.MinLineWidth, - ctx->Const.MaxLineWidth); + ctx->Const.MinLineWidth, + ctx->Const.MaxLineWidth); } raster->line_stipple_enable = ctx->Line.StippleFlag; @@ -244,30 +226,71 @@ static void update_raster_state( struct st_context *st ) raster->line_stipple_factor = ctx->Line.StippleFactor - 1; /* _NEW_MULTISAMPLE */ - if (ctx->Multisample._Enabled || st->force_msaa) - raster->multisample = 1; + raster->multisample = _mesa_is_multisample_enabled(ctx); + + /* _NEW_MULTISAMPLE | _NEW_BUFFERS */ + raster->force_persample_interp = + !st->force_persample_in_shader && + raster->multisample && + ctx->Multisample.SampleShading && + ctx->Multisample.MinSampleShadingValue * + _mesa_geometric_samples(ctx->DrawBuffer) > 1; /* _NEW_SCISSOR */ - if (ctx->Scissor.Enabled) - raster->scissor = 1; + raster->scissor = !!ctx->Scissor.EnableFlags; + + /* gl_driver_flags::NewFragClamp */ + raster->clamp_fragment_color = !st->clamp_frag_color_in_shader && + ctx->Color._ClampFragmentColor; + + raster->half_pixel_center = 1; + if (st->state.fb_orientation == Y_0_TOP) + raster->bottom_edge_rule = 1; + + /* _NEW_TRANSFORM */ + if (ctx->Transform.ClipOrigin == GL_UPPER_LEFT) + raster->bottom_edge_rule ^= 1; + + /* ST_NEW_RASTERIZER */ + raster->rasterizer_discard = ctx->RasterDiscard; + if (ctx->TileRasterOrderFixed) { + raster->tile_raster_order_fixed = true; + raster->tile_raster_order_increasing_x = ctx->TileRasterOrderIncreasingX; + raster->tile_raster_order_increasing_y = ctx->TileRasterOrderIncreasingY; + } + + if (st->edgeflag_culls_prims) { + /* All edge flags are FALSE. Cull the affected faces. */ + if (raster->fill_front != PIPE_POLYGON_MODE_FILL) + raster->cull_face |= PIPE_FACE_FRONT; + if (raster->fill_back != PIPE_POLYGON_MODE_FILL) + raster->cull_face |= PIPE_FACE_BACK; + } - raster->gl_rasterization_rules = 1; + /* _NEW_TRANSFORM */ + raster->depth_clip_near = st->clamp_frag_depth_in_shader || + !ctx->Transform.DepthClampNear; + raster->depth_clip_far = st->clamp_frag_depth_in_shader || + !ctx->Transform.DepthClampFar; + raster->clip_plane_enable = ctx->Transform.ClipPlanesEnabled; + raster->clip_halfz = (ctx->Transform.ClipDepthMode == GL_ZERO_TO_ONE); + + /* ST_NEW_RASTERIZER */ + if (ctx->ConservativeRasterization) { + if (ctx->ConservativeRasterMode == GL_CONSERVATIVE_RASTER_MODE_POST_SNAP_NV) + raster->conservative_raster_mode = PIPE_CONSERVATIVE_RASTER_POST_SNAP; + else + raster->conservative_raster_mode = PIPE_CONSERVATIVE_RASTER_PRE_SNAP; + } else if (ctx->IntelConservativeRasterization) { + raster->conservative_raster_mode = PIPE_CONSERVATIVE_RASTER_POST_SNAP; + } else { + raster->conservative_raster_mode = PIPE_CONSERVATIVE_RASTER_OFF; + } + + raster->conservative_raster_dilate = ctx->ConservativeRasterDilate; + + raster->subpixel_precision_x = ctx->SubpixelPrecisionBias[0]; + raster->subpixel_precision_y = ctx->SubpixelPrecisionBias[1]; cso_set_rasterizer(st->cso_context, raster); } - -const struct st_tracked_state st_update_rasterizer = { - "st_update_rasterizer", /* name */ - { - (_NEW_BUFFERS | - _NEW_LIGHT | - _NEW_LINE | - _NEW_MULTISAMPLE | - _NEW_POINT | - _NEW_POLYGON | - _NEW_PROGRAM | - _NEW_SCISSOR), /* mesa state dependencies*/ - ST_NEW_VERTEX_PROGRAM, /* state tracker dependencies */ - }, - update_raster_state /* update function */ -};