| /* $XFree86: xc/lib/GL/mesa/src/drv/r128/r128_tris.c,v 1.8 2002/10/30 12:51:43 alanh Exp $ */ /* -*- c-basic-offset: 3 -*- */ |
| /************************************************************************** |
| |
| Copyright 2000, 2001 ATI Technologies Inc., Ontario, Canada, and |
| VA Linux Systems Inc., Fremont, California. |
| |
| 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 without limitation |
| on the rights to use, copy, modify, merge, publish, 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 |
| ATI, VA LINUX SYSTEMS AND/OR THEIR 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@tungstengraphics.com> |
| * |
| */ |
| |
| #include "glheader.h" |
| #include "mtypes.h" |
| #include "colormac.h" |
| #include "macros.h" |
| |
| #include "swrast/swrast.h" |
| #include "swrast_setup/swrast_setup.h" |
| #include "tnl/tnl.h" |
| #include "tnl/t_context.h" |
| #include "tnl/t_pipeline.h" |
| |
| #include "r128_tris.h" |
| #include "r128_state.h" |
| #include "r128_tex.h" |
| #include "r128_ioctl.h" |
| |
| static const GLuint hw_prim[GL_POLYGON+1] = { |
| R128_CCE_VC_CNTL_PRIM_TYPE_POINT, |
| R128_CCE_VC_CNTL_PRIM_TYPE_LINE, |
| R128_CCE_VC_CNTL_PRIM_TYPE_LINE, |
| R128_CCE_VC_CNTL_PRIM_TYPE_LINE, |
| R128_CCE_VC_CNTL_PRIM_TYPE_TRI_LIST, |
| R128_CCE_VC_CNTL_PRIM_TYPE_TRI_LIST, |
| R128_CCE_VC_CNTL_PRIM_TYPE_TRI_LIST, |
| R128_CCE_VC_CNTL_PRIM_TYPE_TRI_LIST, |
| R128_CCE_VC_CNTL_PRIM_TYPE_TRI_LIST, |
| R128_CCE_VC_CNTL_PRIM_TYPE_TRI_LIST, |
| }; |
| |
| static void r128RasterPrimitive( GLcontext *ctx, GLuint hwprim ); |
| static void r128RenderPrimitive( GLcontext *ctx, GLenum prim ); |
| |
| |
| /*********************************************************************** |
| * Emit primitives as inline vertices * |
| ***********************************************************************/ |
| |
| #define HAVE_QUADS 0 |
| #define HAVE_LINES 1 |
| #define HAVE_POINTS 1 |
| #define HAVE_LE32_VERTS 1 |
| #define CTX_ARG r128ContextPtr rmesa |
| #define GET_VERTEX_DWORDS() rmesa->vertex_size |
| #define ALLOC_VERTS( n, size ) r128AllocDmaLow( rmesa, (n), (size) * 4 ) |
| #undef LOCAL_VARS |
| #define LOCAL_VARS \ |
| r128ContextPtr rmesa = R128_CONTEXT(ctx); \ |
| const char *vertptr = rmesa->verts; |
| #define VERT(x) (r128Vertex *)(vertptr + ((x) * vertsize * 4)) |
| #define VERTEX r128Vertex |
| #undef TAG |
| #define TAG(x) r128_##x |
| #include "tnl_dd/t_dd_triemit.h" |
| #undef TAG |
| #undef LOCAL_VARS |
| |
| |
| /*********************************************************************** |
| * Macros for t_dd_tritmp.h to draw basic primitives * |
| ***********************************************************************/ |
| |
| #define TRI( a, b, c ) \ |
| do { \ |
| if (DO_FALLBACK) \ |
| rmesa->draw_tri( rmesa, a, b, c ); \ |
| else \ |
| r128_triangle( rmesa, a, b, c ); \ |
| } while (0) |
| |
| #define QUAD( a, b, c, d ) \ |
| do { \ |
| if (DO_FALLBACK) { \ |
| rmesa->draw_tri( rmesa, a, b, d ); \ |
| rmesa->draw_tri( rmesa, b, c, d ); \ |
| } else \ |
| r128_quad( rmesa, a, b, c, d ); \ |
| } while (0) |
| |
| #define LINE( v0, v1 ) \ |
| do { \ |
| if (DO_FALLBACK) \ |
| rmesa->draw_line( rmesa, v0, v1 ); \ |
| else \ |
| r128_line( rmesa, v0, v1 ); \ |
| } while (0) |
| |
| #define POINT( v0 ) \ |
| do { \ |
| if (DO_FALLBACK) \ |
| rmesa->draw_point( rmesa, v0 ); \ |
| else \ |
| r128_point( rmesa, v0 ); \ |
| } while (0) |
| |
| |
| /*********************************************************************** |
| * Build render functions from dd templates * |
| ***********************************************************************/ |
| |
| #define R128_OFFSET_BIT 0x01 |
| #define R128_TWOSIDE_BIT 0x02 |
| #define R128_UNFILLED_BIT 0x04 |
| #define R128_FALLBACK_BIT 0x08 |
| #define R128_MAX_TRIFUNC 0x10 |
| |
| |
| static struct { |
| tnl_points_func points; |
| tnl_line_func line; |
| tnl_triangle_func triangle; |
| tnl_quad_func quad; |
| } rast_tab[R128_MAX_TRIFUNC]; |
| |
| |
| #define DO_FALLBACK (IND & R128_FALLBACK_BIT) |
| #define DO_OFFSET (IND & R128_OFFSET_BIT) |
| #define DO_UNFILLED (IND & R128_UNFILLED_BIT) |
| #define DO_TWOSIDE (IND & R128_TWOSIDE_BIT) |
| #define DO_FLAT 0 |
| #define DO_TRI 1 |
| #define DO_QUAD 1 |
| #define DO_LINE 1 |
| #define DO_POINTS 1 |
| #define DO_FULL_QUAD 1 |
| |
| #define HAVE_RGBA 1 |
| #define HAVE_SPEC 1 |
| #define HAVE_BACK_COLORS 0 |
| #define HAVE_HW_FLATSHADE 1 |
| #define VERTEX r128Vertex |
| #define TAB rast_tab |
| |
| #define DEPTH_SCALE rmesa->depth_scale |
| #define UNFILLED_TRI unfilled_tri |
| #define UNFILLED_QUAD unfilled_quad |
| #define VERT_X(_v) _v->v.x |
| #define VERT_Y(_v) _v->v.y |
| #define VERT_Z(_v) _v->v.z |
| #define AREA_IS_CCW( a ) (a > 0) |
| #define GET_VERTEX(e) (rmesa->verts + (e * rmesa->vertex_size * sizeof(int))) |
| |
| #define VERT_SET_RGBA( v, c ) \ |
| do { \ |
| r128_color_t *color = (r128_color_t *)&((v)->ui[coloroffset]); \ |
| UNCLAMPED_FLOAT_TO_UBYTE(color->red, (c)[0]); \ |
| UNCLAMPED_FLOAT_TO_UBYTE(color->green, (c)[1]); \ |
| UNCLAMPED_FLOAT_TO_UBYTE(color->blue, (c)[2]); \ |
| UNCLAMPED_FLOAT_TO_UBYTE(color->alpha, (c)[3]); \ |
| } while (0) |
| |
| #define VERT_COPY_RGBA( v0, v1 ) v0->ui[coloroffset] = v1->ui[coloroffset] |
| |
| #define VERT_SET_SPEC( v0, c ) \ |
| do { \ |
| if (havespec) { \ |
| r128_color_t *spec = (r128_color_t *)&((v0)->ui[specoffset]); \ |
| UNCLAMPED_FLOAT_TO_UBYTE(spec->red, (c)[0]); \ |
| UNCLAMPED_FLOAT_TO_UBYTE(spec->green, (c)[1]); \ |
| UNCLAMPED_FLOAT_TO_UBYTE(spec->blue, (c)[2]); \ |
| } \ |
| } while (0) |
| #define VERT_COPY_SPEC( v0, v1 ) \ |
| do { \ |
| if (havespec) { \ |
| r128_color_t *spec0 = (r128_color_t *)&((v0)->ui[specoffset]); \ |
| r128_color_t *spec1 = (r128_color_t *)&((v1)->ui[specoffset]); \ |
| spec0->red = spec1->red; \ |
| spec0->green = spec1->green; \ |
| spec0->blue = spec1->blue; \ |
| } \ |
| } while (0) |
| |
| /* These don't need LE32_TO_CPU() as they are used to save and restore |
| * colors which are already in the correct format. |
| */ |
| #define VERT_SAVE_RGBA( idx ) color[idx] = v[idx]->ui[coloroffset] |
| #define VERT_RESTORE_RGBA( idx ) v[idx]->ui[coloroffset] = color[idx] |
| #define VERT_SAVE_SPEC( idx ) if (havespec) spec[idx] = v[idx]->ui[specoffset] |
| #define VERT_RESTORE_SPEC( idx ) if (havespec) v[idx]->ui[specoffset] = spec[idx] |
| |
| |
| #define LOCAL_VARS(n) \ |
| r128ContextPtr rmesa = R128_CONTEXT(ctx); \ |
| GLuint color[n], spec[n]; \ |
| GLuint coloroffset = rmesa->coloroffset; \ |
| GLuint specoffset = rmesa->specoffset; \ |
| GLboolean havespec = (rmesa->specoffset != 0); \ |
| (void) color; (void) spec; (void) specoffset; \ |
| (void) coloroffset; (void) havespec; |
| |
| /*********************************************************************** |
| * Helpers for rendering unfilled primitives * |
| ***********************************************************************/ |
| |
| #define RASTERIZE(x) if (rmesa->hw_primitive != hw_prim[x]) \ |
| r128RasterPrimitive( ctx, hw_prim[x] ) |
| #define RENDER_PRIMITIVE rmesa->render_primitive |
| #define IND R128_FALLBACK_BIT |
| #define TAG(x) x |
| #include "tnl_dd/t_dd_unfilled.h" |
| #undef IND |
| |
| |
| /*********************************************************************** |
| * Generate GL render functions * |
| ***********************************************************************/ |
| |
| |
| #define IND (0) |
| #define TAG(x) x |
| #include "tnl_dd/t_dd_tritmp.h" |
| |
| #define IND (R128_OFFSET_BIT) |
| #define TAG(x) x##_offset |
| #include "tnl_dd/t_dd_tritmp.h" |
| |
| #define IND (R128_TWOSIDE_BIT) |
| #define TAG(x) x##_twoside |
| #include "tnl_dd/t_dd_tritmp.h" |
| |
| #define IND (R128_TWOSIDE_BIT|R128_OFFSET_BIT) |
| #define TAG(x) x##_twoside_offset |
| #include "tnl_dd/t_dd_tritmp.h" |
| |
| #define IND (R128_UNFILLED_BIT) |
| #define TAG(x) x##_unfilled |
| #include "tnl_dd/t_dd_tritmp.h" |
| |
| #define IND (R128_OFFSET_BIT|R128_UNFILLED_BIT) |
| #define TAG(x) x##_offset_unfilled |
| #include "tnl_dd/t_dd_tritmp.h" |
| |
| #define IND (R128_TWOSIDE_BIT|R128_UNFILLED_BIT) |
| #define TAG(x) x##_twoside_unfilled |
| #include "tnl_dd/t_dd_tritmp.h" |
| |
| #define IND (R128_TWOSIDE_BIT|R128_OFFSET_BIT|R128_UNFILLED_BIT) |
| #define TAG(x) x##_twoside_offset_unfilled |
| #include "tnl_dd/t_dd_tritmp.h" |
| |
| #define IND (R128_FALLBACK_BIT) |
| #define TAG(x) x##_fallback |
| #include "tnl_dd/t_dd_tritmp.h" |
| |
| #define IND (R128_OFFSET_BIT|R128_FALLBACK_BIT) |
| #define TAG(x) x##_offset_fallback |
| #include "tnl_dd/t_dd_tritmp.h" |
| |
| #define IND (R128_TWOSIDE_BIT|R128_FALLBACK_BIT) |
| #define TAG(x) x##_twoside_fallback |
| #include "tnl_dd/t_dd_tritmp.h" |
| |
| #define IND (R128_TWOSIDE_BIT|R128_OFFSET_BIT|R128_FALLBACK_BIT) |
| #define TAG(x) x##_twoside_offset_fallback |
| #include "tnl_dd/t_dd_tritmp.h" |
| |
| #define IND (R128_UNFILLED_BIT|R128_FALLBACK_BIT) |
| #define TAG(x) x##_unfilled_fallback |
| #include "tnl_dd/t_dd_tritmp.h" |
| |
| #define IND (R128_OFFSET_BIT|R128_UNFILLED_BIT|R128_FALLBACK_BIT) |
| #define TAG(x) x##_offset_unfilled_fallback |
| #include "tnl_dd/t_dd_tritmp.h" |
| |
| #define IND (R128_TWOSIDE_BIT|R128_UNFILLED_BIT|R128_FALLBACK_BIT) |
| #define TAG(x) x##_twoside_unfilled_fallback |
| #include "tnl_dd/t_dd_tritmp.h" |
| |
| #define IND (R128_TWOSIDE_BIT|R128_OFFSET_BIT|R128_UNFILLED_BIT| \ |
| R128_FALLBACK_BIT) |
| #define TAG(x) x##_twoside_offset_unfilled_fallback |
| #include "tnl_dd/t_dd_tritmp.h" |
| |
| |
| static void init_rast_tab( void ) |
| { |
| init(); |
| init_offset(); |
| init_twoside(); |
| init_twoside_offset(); |
| init_unfilled(); |
| init_offset_unfilled(); |
| init_twoside_unfilled(); |
| init_twoside_offset_unfilled(); |
| init_fallback(); |
| init_offset_fallback(); |
| init_twoside_fallback(); |
| init_twoside_offset_fallback(); |
| init_unfilled_fallback(); |
| init_offset_unfilled_fallback(); |
| init_twoside_unfilled_fallback(); |
| init_twoside_offset_unfilled_fallback(); |
| } |
| |
| |
| |
| /*********************************************************************** |
| * Rasterization fallback helpers * |
| ***********************************************************************/ |
| |
| |
| /* This code is hit only when a mix of accelerated and unaccelerated |
| * primitives are being drawn, and only for the unaccelerated |
| * primitives. |
| */ |
| static void |
| r128_fallback_tri( r128ContextPtr rmesa, |
| r128Vertex *v0, |
| r128Vertex *v1, |
| r128Vertex *v2 ) |
| { |
| GLcontext *ctx = rmesa->glCtx; |
| SWvertex v[3]; |
| _swsetup_Translate( ctx, v0, &v[0] ); |
| _swsetup_Translate( ctx, v1, &v[1] ); |
| _swsetup_Translate( ctx, v2, &v[2] ); |
| _swrast_Triangle( ctx, &v[0], &v[1], &v[2] ); |
| } |
| |
| |
| static void |
| r128_fallback_line( r128ContextPtr rmesa, |
| r128Vertex *v0, |
| r128Vertex *v1 ) |
| { |
| GLcontext *ctx = rmesa->glCtx; |
| SWvertex v[2]; |
| _swsetup_Translate( ctx, v0, &v[0] ); |
| _swsetup_Translate( ctx, v1, &v[1] ); |
| _swrast_Line( ctx, &v[0], &v[1] ); |
| } |
| |
| |
| static void |
| r128_fallback_point( r128ContextPtr rmesa, |
| r128Vertex *v0 ) |
| { |
| GLcontext *ctx = rmesa->glCtx; |
| SWvertex v[1]; |
| _swsetup_Translate( ctx, v0, &v[0] ); |
| _swrast_Point( ctx, &v[0] ); |
| } |
| |
| |
| |
| /**********************************************************************/ |
| /* Render unclipped begin/end objects */ |
| /**********************************************************************/ |
| |
| #define RENDER_POINTS( start, count ) \ |
| for ( ; start < count ; start++) \ |
| r128_point( rmesa, VERT(start) ) |
| #define RENDER_LINE( v0, v1 ) \ |
| r128_line( rmesa, VERT(v0), VERT(v1) ) |
| #define RENDER_TRI( v0, v1, v2 ) \ |
| r128_triangle( rmesa, VERT(v0), VERT(v1), VERT(v2) ) |
| #define RENDER_QUAD( v0, v1, v2, v3 ) \ |
| r128_quad( rmesa, VERT(v0), VERT(v1), VERT(v2), VERT(v3) ) |
| #define INIT(x) do { \ |
| if (0) fprintf(stderr, "%s\n", __FUNCTION__); \ |
| r128RenderPrimitive( ctx, x ); \ |
| } while (0) |
| #undef LOCAL_VARS |
| #define LOCAL_VARS \ |
| r128ContextPtr rmesa = R128_CONTEXT(ctx); \ |
| const GLuint vertsize = rmesa->vertex_size; \ |
| const char *vertptr = (char *)rmesa->verts; \ |
| const GLuint * const elt = TNL_CONTEXT(ctx)->vb.Elts; \ |
| (void) elt; |
| #define RESET_STIPPLE |
| #define RESET_OCCLUSION |
| #define PRESERVE_VB_DEFS |
| #define ELT(x) (x) |
| #define TAG(x) r128_##x##_verts |
| #include "tnl/t_vb_rendertmp.h" |
| #undef ELT |
| #undef TAG |
| #define TAG(x) r128_##x##_elts |
| #define ELT(x) elt[x] |
| #include "tnl/t_vb_rendertmp.h" |
| |
| |
| /**********************************************************************/ |
| /* Choose render functions */ |
| /**********************************************************************/ |
| |
| #define POINT_FALLBACK (DD_POINT_SMOOTH) |
| #define LINE_FALLBACK (DD_LINE_STIPPLE) |
| #define TRI_FALLBACK (DD_TRI_SMOOTH) |
| #define ANY_FALLBACK_FLAGS (POINT_FALLBACK|LINE_FALLBACK|TRI_FALLBACK) |
| #define ANY_RASTER_FLAGS (DD_TRI_LIGHT_TWOSIDE|DD_TRI_OFFSET|DD_TRI_UNFILLED) |
| #define _R128_NEW_RENDER_STATE (ANY_FALLBACK_FLAGS | ANY_RASTER_FLAGS) |
| |
| static void r128ChooseRenderState(GLcontext *ctx) |
| { |
| r128ContextPtr rmesa = R128_CONTEXT(ctx); |
| GLuint flags = ctx->_TriangleCaps; |
| GLuint index = 0; |
| |
| if (flags & (ANY_RASTER_FLAGS|ANY_FALLBACK_FLAGS)) { |
| rmesa->draw_point = r128_point; |
| rmesa->draw_line = r128_line; |
| rmesa->draw_tri = r128_triangle; |
| |
| if (flags & ANY_RASTER_FLAGS) { |
| if (flags & DD_TRI_LIGHT_TWOSIDE) index |= R128_TWOSIDE_BIT; |
| if (flags & DD_TRI_OFFSET) index |= R128_OFFSET_BIT; |
| if (flags & DD_TRI_UNFILLED) index |= R128_UNFILLED_BIT; |
| } |
| |
| /* Hook in fallbacks for specific primitives. |
| */ |
| if (flags & (POINT_FALLBACK|LINE_FALLBACK|TRI_FALLBACK)) { |
| if (flags & POINT_FALLBACK) rmesa->draw_point = r128_fallback_point; |
| if (flags & LINE_FALLBACK) rmesa->draw_line = r128_fallback_line; |
| if (flags & TRI_FALLBACK) rmesa->draw_tri = r128_fallback_tri; |
| index |= R128_FALLBACK_BIT; |
| } |
| } |
| |
| if (index != rmesa->RenderIndex) { |
| TNLcontext *tnl = TNL_CONTEXT(ctx); |
| tnl->Driver.Render.Points = rast_tab[index].points; |
| tnl->Driver.Render.Line = rast_tab[index].line; |
| tnl->Driver.Render.ClippedLine = rast_tab[index].line; |
| tnl->Driver.Render.Triangle = rast_tab[index].triangle; |
| tnl->Driver.Render.Quad = rast_tab[index].quad; |
| |
| if (index == 0) { |
| tnl->Driver.Render.PrimTabVerts = r128_render_tab_verts; |
| tnl->Driver.Render.PrimTabElts = r128_render_tab_elts; |
| tnl->Driver.Render.ClippedPolygon = r128_fast_clipped_poly; |
| } else { |
| tnl->Driver.Render.PrimTabVerts = _tnl_render_tab_verts; |
| tnl->Driver.Render.PrimTabElts = _tnl_render_tab_elts; |
| tnl->Driver.Render.ClippedPolygon = _tnl_RenderClippedPolygon; |
| } |
| |
| rmesa->RenderIndex = index; |
| } |
| } |
| |
| /**********************************************************************/ |
| /* Validate state at pipeline start */ |
| /**********************************************************************/ |
| |
| static void r128RunPipeline( GLcontext *ctx ) |
| { |
| r128ContextPtr rmesa = R128_CONTEXT(ctx); |
| |
| if (rmesa->new_state || rmesa->NewGLState & _NEW_TEXTURE) |
| r128DDUpdateHWState( ctx ); |
| |
| if (!rmesa->Fallback && rmesa->NewGLState) { |
| if (rmesa->NewGLState & _R128_NEW_RENDER_STATE) |
| r128ChooseRenderState( ctx ); |
| |
| rmesa->NewGLState = 0; |
| } |
| |
| _tnl_run_pipeline( ctx ); |
| } |
| |
| /**********************************************************************/ |
| /* High level hooks for t_vb_render.c */ |
| /**********************************************************************/ |
| |
| /* This is called when Mesa switches between rendering triangle |
| * primitives (such as GL_POLYGON, GL_QUADS, GL_TRIANGLE_STRIP, etc), |
| * and lines, points and bitmaps. |
| * |
| * As the r128 uses triangles to render lines and points, it is |
| * necessary to turn off hardware culling when rendering these |
| * primitives. |
| */ |
| |
| static void r128RasterPrimitive( GLcontext *ctx, GLuint hwprim ) |
| { |
| r128ContextPtr rmesa = R128_CONTEXT(ctx); |
| |
| rmesa->setup.dp_gui_master_cntl_c &= ~R128_GMC_BRUSH_NONE; |
| |
| if ( ctx->Polygon.StippleFlag && hwprim == GL_TRIANGLES ) { |
| rmesa->setup.dp_gui_master_cntl_c |= R128_GMC_BRUSH_32x32_MONO_FG_LA; |
| } |
| else { |
| rmesa->setup.dp_gui_master_cntl_c |= R128_GMC_BRUSH_SOLID_COLOR; |
| } |
| |
| rmesa->new_state |= R128_NEW_CONTEXT; |
| rmesa->dirty |= R128_UPLOAD_CONTEXT; |
| |
| if (rmesa->hw_primitive != hwprim) { |
| FLUSH_BATCH( rmesa ); |
| rmesa->hw_primitive = hwprim; |
| } |
| } |
| |
| static void r128SetupAntialias( GLcontext *ctx, GLenum prim ) |
| { |
| r128ContextPtr rmesa = R128_CONTEXT(ctx); |
| |
| GLuint currAA, wantAA; |
| |
| currAA = (rmesa->setup.pm4_vc_fpu_setup & R128_EDGE_ANTIALIAS) != 0; |
| if( prim >= GL_TRIANGLES ) |
| wantAA = ctx->Polygon.SmoothFlag; |
| else if( prim >= GL_LINES ) |
| wantAA = ctx->Line.SmoothFlag; |
| else |
| wantAA = 0; |
| |
| if( wantAA != currAA ) |
| { |
| FLUSH_BATCH( rmesa ); |
| rmesa->setup.pm4_vc_fpu_setup ^= R128_EDGE_ANTIALIAS; |
| rmesa->dirty |= R128_UPLOAD_SETUP; |
| } |
| } |
| |
| static void r128RenderPrimitive( GLcontext *ctx, GLenum prim ) |
| { |
| r128ContextPtr rmesa = R128_CONTEXT(ctx); |
| GLuint hw = hw_prim[prim]; |
| rmesa->render_primitive = prim; |
| |
| r128SetupAntialias( ctx, prim ); |
| |
| if (prim >= GL_TRIANGLES && (ctx->_TriangleCaps & DD_TRI_UNFILLED)) |
| return; |
| r128RasterPrimitive( ctx, hw ); |
| } |
| |
| #define EMIT_ATTR( ATTR, STYLE, VF, SIZE ) \ |
| do { \ |
| rmesa->vertex_attrs[rmesa->vertex_attr_count].attrib = (ATTR); \ |
| rmesa->vertex_attrs[rmesa->vertex_attr_count].format = (STYLE); \ |
| rmesa->vertex_attr_count++; \ |
| vc_frmt |= (VF); \ |
| offset += (SIZE); \ |
| } while (0) |
| |
| #define EMIT_PAD( SIZE ) \ |
| do { \ |
| rmesa->vertex_attrs[rmesa->vertex_attr_count].attrib = 0; \ |
| rmesa->vertex_attrs[rmesa->vertex_attr_count].format = EMIT_PAD; \ |
| rmesa->vertex_attrs[rmesa->vertex_attr_count].offset = (SIZE); \ |
| rmesa->vertex_attr_count++; \ |
| offset += (SIZE); \ |
| } while (0) |
| |
| static void r128RenderStart( GLcontext *ctx ) |
| { |
| r128ContextPtr rmesa = R128_CONTEXT(ctx); |
| TNLcontext *tnl = TNL_CONTEXT(ctx); |
| struct vertex_buffer *VB = &tnl->vb; |
| DECLARE_RENDERINPUTS(index_bitset); |
| GLuint vc_frmt = 0; |
| GLboolean fallback_projtex = GL_FALSE; |
| GLuint offset = 0; |
| |
| RENDERINPUTS_COPY( index_bitset, tnl->render_inputs_bitset ); |
| |
| /* Important: */ |
| VB->AttribPtr[VERT_ATTRIB_POS] = VB->NdcPtr; |
| rmesa->vertex_attr_count = 0; |
| rmesa->specoffset = 0; |
| |
| /* EMIT_ATTR's must be in order as they tell t_vertex.c how to |
| * build up a hardware vertex. |
| */ |
| if (RENDERINPUTS_TEST_RANGE( index_bitset, _TNL_FIRST_TEX, _TNL_LAST_TEX )) |
| EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_4F_VIEWPORT, R128_CCE_VC_FRMT_RHW, 4 ); |
| else |
| EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_3F_VIEWPORT, 0, 3 ); |
| |
| rmesa->coloroffset = offset; |
| #if MESA_LITTLE_ENDIAN |
| EMIT_ATTR( _TNL_ATTRIB_COLOR0, EMIT_4UB_4F_BGRA, |
| R128_CCE_VC_FRMT_DIFFUSE_ARGB, 4 ); |
| #else |
| EMIT_ATTR( _TNL_ATTRIB_COLOR0, EMIT_4UB_4F_ARGB, |
| R128_CCE_VC_FRMT_DIFFUSE_ARGB, 4 ); |
| #endif |
| |
| if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_COLOR1 ) || |
| RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_FOG )) { |
| #if MESA_LITTLE_ENDIAN |
| if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_COLOR1 )) { |
| rmesa->specoffset = offset; |
| EMIT_ATTR( _TNL_ATTRIB_COLOR1, EMIT_3UB_3F_BGR, |
| R128_CCE_VC_FRMT_SPEC_FRGB, 3 ); |
| } else |
| EMIT_PAD( 3 ); |
| |
| if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_FOG )) |
| EMIT_ATTR( _TNL_ATTRIB_FOG, EMIT_1UB_1F, R128_CCE_VC_FRMT_SPEC_FRGB, |
| 1 ); |
| else |
| EMIT_PAD( 1 ); |
| #else |
| if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_FOG )) |
| EMIT_ATTR( _TNL_ATTRIB_FOG, EMIT_1UB_1F, R128_CCE_VC_FRMT_SPEC_FRGB, |
| 1 ); |
| else |
| EMIT_PAD( 1 ); |
| |
| if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_COLOR1 )) { |
| rmesa->specoffset = offset; |
| EMIT_ATTR( _TNL_ATTRIB_COLOR1, EMIT_3UB_3F_RGB, |
| R128_CCE_VC_FRMT_SPEC_FRGB, 3 ); |
| } else |
| EMIT_PAD( 3 ); |
| #endif |
| } |
| |
| if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_TEX(rmesa->tmu_source[0]) )) { |
| if ( VB->TexCoordPtr[rmesa->tmu_source[0]]->size > 2 ) |
| fallback_projtex = GL_TRUE; |
| EMIT_ATTR( _TNL_ATTRIB_TEX0, EMIT_2F, R128_CCE_VC_FRMT_S_T, 8 ); |
| } |
| if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_TEX(rmesa->tmu_source[1]) )) { |
| if ( VB->TexCoordPtr[rmesa->tmu_source[1]]->size > 2 ) |
| fallback_projtex = GL_TRUE; |
| EMIT_ATTR( _TNL_ATTRIB_TEX1, EMIT_2F, R128_CCE_VC_FRMT_S2_T2, 8 ); |
| } |
| |
| /* projective textures are not supported by the hardware */ |
| FALLBACK( rmesa, R128_FALLBACK_PROJTEX, fallback_projtex ); |
| |
| /* Only need to change the vertex emit code if there has been a |
| * statechange to a TNL index. |
| */ |
| if (!RENDERINPUTS_EQUAL( index_bitset, rmesa->tnl_state_bitset )) { |
| FLUSH_BATCH( rmesa ); |
| rmesa->dirty |= R128_UPLOAD_CONTEXT; |
| |
| rmesa->vertex_size = |
| _tnl_install_attrs( ctx, |
| rmesa->vertex_attrs, |
| rmesa->vertex_attr_count, |
| rmesa->hw_viewport, 0 ); |
| rmesa->vertex_size >>= 2; |
| |
| rmesa->vertex_format = vc_frmt; |
| } |
| } |
| |
| static void r128RenderFinish( GLcontext *ctx ) |
| { |
| if (R128_CONTEXT(ctx)->RenderIndex & R128_FALLBACK_BIT) |
| _swrast_flush( ctx ); |
| } |
| |
| |
| /**********************************************************************/ |
| /* Transition to/from hardware rasterization. */ |
| /**********************************************************************/ |
| |
| static const char * const fallbackStrings[] = { |
| "Texture mode", |
| "glDrawBuffer(GL_FRONT_AND_BACK)", |
| "glReadBuffer", |
| "glEnable(GL_STENCIL) without hw stencil buffer", |
| "glRenderMode(selection or feedback)", |
| "glLogicOp (mode != GL_COPY)", |
| "GL_SEPARATE_SPECULAR_COLOR", |
| "glBlendEquation(mode != ADD)", |
| "glBlendFunc", |
| "Projective texture", |
| "Rasterization disable", |
| }; |
| |
| |
| static const char *getFallbackString(GLuint bit) |
| { |
| int i = 0; |
| while (bit > 1) { |
| i++; |
| bit >>= 1; |
| } |
| return fallbackStrings[i]; |
| } |
| |
| void r128Fallback( GLcontext *ctx, GLuint bit, GLboolean mode ) |
| { |
| TNLcontext *tnl = TNL_CONTEXT(ctx); |
| r128ContextPtr rmesa = R128_CONTEXT(ctx); |
| GLuint oldfallback = rmesa->Fallback; |
| |
| if (mode) { |
| rmesa->Fallback |= bit; |
| if (oldfallback == 0) { |
| FLUSH_BATCH( rmesa ); |
| _swsetup_Wakeup( ctx ); |
| rmesa->RenderIndex = ~0; |
| if ( R128_DEBUG & DEBUG_VERBOSE_FALL ) { |
| fprintf(stderr, "R128 begin rasterization fallback: 0x%x %s\n", |
| bit, getFallbackString(bit)); |
| } |
| } |
| } |
| else { |
| rmesa->Fallback &= ~bit; |
| if (oldfallback == bit) { |
| _swrast_flush( ctx ); |
| tnl->Driver.Render.Start = r128RenderStart; |
| tnl->Driver.Render.PrimitiveNotify = r128RenderPrimitive; |
| tnl->Driver.Render.Finish = r128RenderFinish; |
| |
| tnl->Driver.Render.BuildVertices = _tnl_build_vertices; |
| tnl->Driver.Render.CopyPV = _tnl_copy_pv; |
| tnl->Driver.Render.Interp = _tnl_interp; |
| |
| _tnl_invalidate_vertex_state( ctx, ~0 ); |
| _tnl_invalidate_vertices( ctx, ~0 ); |
| _tnl_install_attrs( ctx, |
| rmesa->vertex_attrs, |
| rmesa->vertex_attr_count, |
| rmesa->hw_viewport, 0 ); |
| |
| rmesa->NewGLState |= _R128_NEW_RENDER_STATE; |
| if ( R128_DEBUG & DEBUG_VERBOSE_FALL ) { |
| fprintf(stderr, "R128 end rasterization fallback: 0x%x %s\n", |
| bit, getFallbackString(bit)); |
| } |
| } |
| } |
| } |
| |
| |
| /**********************************************************************/ |
| /* Initialization. */ |
| /**********************************************************************/ |
| |
| void r128InitTriFuncs( GLcontext *ctx ) |
| { |
| r128ContextPtr rmesa = R128_CONTEXT(ctx); |
| TNLcontext *tnl = TNL_CONTEXT(ctx); |
| static int firsttime = 1; |
| |
| if (firsttime) { |
| init_rast_tab(); |
| firsttime = 0; |
| } |
| |
| tnl->Driver.RunPipeline = r128RunPipeline; |
| tnl->Driver.Render.Start = r128RenderStart; |
| tnl->Driver.Render.Finish = r128RenderFinish; |
| tnl->Driver.Render.PrimitiveNotify = r128RenderPrimitive; |
| tnl->Driver.Render.ResetLineStipple = _swrast_ResetLineStipple; |
| tnl->Driver.Render.BuildVertices = _tnl_build_vertices; |
| tnl->Driver.Render.CopyPV = _tnl_copy_pv; |
| tnl->Driver.Render.Interp = _tnl_interp; |
| |
| _tnl_init_vertices( ctx, ctx->Const.MaxArrayLockSize + 12, |
| (6 + 2 * ctx->Const.MaxTextureUnits) * sizeof(GLfloat) ); |
| rmesa->verts = (char *)tnl->clipspace.vertex_buf; |
| RENDERINPUTS_ONES( rmesa->tnl_state_bitset ); |
| |
| rmesa->NewGLState |= _R128_NEW_RENDER_STATE; |
| } |