| /* |
| Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved. |
| |
| The Weather Channel (TM) funded Tungsten Graphics to develop the |
| initial release of the Radeon 8500 driver under the XFree86 license. |
| This notice must be preserved. |
| |
| 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 the rights to use, copy, modify, merge, publish, |
| distribute, sublicense, 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 NONINFRINGEMENT. |
| IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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@tungstengraphics.com> |
| */ |
| |
| #include "glheader.h" |
| #include "mtypes.h" |
| #include "colormac.h" |
| #include "enums.h" |
| #include "image.h" |
| #include "imports.h" |
| #include "macros.h" |
| |
| #include "swrast/s_context.h" |
| #include "swrast/s_fog.h" |
| #include "swrast_setup/swrast_setup.h" |
| #include "math/m_translate.h" |
| #include "tnl/tnl.h" |
| #include "tnl/t_context.h" |
| #include "tnl/t_pipeline.h" |
| |
| #include "r200_context.h" |
| #include "r200_ioctl.h" |
| #include "r200_state.h" |
| #include "r200_swtcl.h" |
| #include "r200_tcl.h" |
| |
| |
| static void flush_last_swtcl_prim( r200ContextPtr rmesa ); |
| |
| |
| /*********************************************************************** |
| * Initialization |
| ***********************************************************************/ |
| |
| #define EMIT_ATTR( ATTR, STYLE, F0 ) \ |
| do { \ |
| rmesa->swtcl.vertex_attrs[rmesa->swtcl.vertex_attr_count].attrib = (ATTR); \ |
| rmesa->swtcl.vertex_attrs[rmesa->swtcl.vertex_attr_count].format = (STYLE); \ |
| rmesa->swtcl.vertex_attr_count++; \ |
| fmt_0 |= F0; \ |
| } while (0) |
| |
| #define EMIT_PAD( N ) \ |
| do { \ |
| rmesa->swtcl.vertex_attrs[rmesa->swtcl.vertex_attr_count].attrib = 0; \ |
| rmesa->swtcl.vertex_attrs[rmesa->swtcl.vertex_attr_count].format = EMIT_PAD; \ |
| rmesa->swtcl.vertex_attrs[rmesa->swtcl.vertex_attr_count].offset = (N); \ |
| rmesa->swtcl.vertex_attr_count++; \ |
| } while (0) |
| |
| static void r200SetVertexFormat( GLcontext *ctx ) |
| { |
| r200ContextPtr rmesa = R200_CONTEXT( ctx ); |
| TNLcontext *tnl = TNL_CONTEXT(ctx); |
| struct vertex_buffer *VB = &tnl->vb; |
| DECLARE_RENDERINPUTS(index_bitset); |
| int fmt_0 = 0; |
| int fmt_1 = 0; |
| int offset = 0; |
| |
| RENDERINPUTS_COPY( index_bitset, tnl->render_inputs_bitset ); |
| |
| /* Important: |
| */ |
| if ( VB->NdcPtr != NULL ) { |
| VB->AttribPtr[VERT_ATTRIB_POS] = VB->NdcPtr; |
| } |
| else { |
| VB->AttribPtr[VERT_ATTRIB_POS] = VB->ClipPtr; |
| } |
| |
| assert( VB->AttribPtr[VERT_ATTRIB_POS] != NULL ); |
| rmesa->swtcl.vertex_attr_count = 0; |
| |
| /* EMIT_ATTR's must be in order as they tell t_vertex.c how to |
| * build up a hardware vertex. |
| */ |
| if ( !rmesa->swtcl.needproj || |
| RENDERINPUTS_TEST_RANGE( index_bitset, _TNL_FIRST_TEX, _TNL_LAST_TEX )) { /* need w coord for projected textures */ |
| EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_4F, R200_VTX_XY | R200_VTX_Z0 | R200_VTX_W0 ); |
| offset = 4; |
| } |
| else { |
| EMIT_ATTR( _TNL_ATTRIB_POS, EMIT_3F, R200_VTX_XY | R200_VTX_Z0 ); |
| offset = 3; |
| } |
| |
| if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_POINTSIZE )) { |
| EMIT_ATTR( _TNL_ATTRIB_POINTSIZE, EMIT_1F, R200_VTX_POINT_SIZE ); |
| offset += 1; |
| } |
| |
| rmesa->swtcl.coloroffset = offset; |
| #if MESA_LITTLE_ENDIAN |
| EMIT_ATTR( _TNL_ATTRIB_COLOR0, EMIT_4UB_4F_RGBA, (R200_VTX_PK_RGBA << R200_VTX_COLOR_0_SHIFT) ); |
| #else |
| EMIT_ATTR( _TNL_ATTRIB_COLOR0, EMIT_4UB_4F_ABGR, (R200_VTX_PK_RGBA << R200_VTX_COLOR_0_SHIFT) ); |
| #endif |
| offset += 1; |
| |
| rmesa->swtcl.specoffset = 0; |
| 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->swtcl.specoffset = offset; |
| EMIT_ATTR( _TNL_ATTRIB_COLOR1, EMIT_3UB_3F_RGB, (R200_VTX_PK_RGBA << R200_VTX_COLOR_1_SHIFT) ); |
| } |
| else { |
| EMIT_PAD( 3 ); |
| } |
| |
| if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_FOG )) { |
| EMIT_ATTR( _TNL_ATTRIB_FOG, EMIT_1UB_1F, (R200_VTX_PK_RGBA << R200_VTX_COLOR_1_SHIFT) ); |
| } |
| else { |
| EMIT_PAD( 1 ); |
| } |
| #else |
| if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_FOG )) { |
| EMIT_ATTR( _TNL_ATTRIB_FOG, EMIT_1UB_1F, (R200_VTX_PK_RGBA << R200_VTX_COLOR_1_SHIFT) ); |
| } |
| else { |
| EMIT_PAD( 1 ); |
| } |
| |
| if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_COLOR1 )) { |
| rmesa->swtcl.specoffset = offset; |
| EMIT_ATTR( _TNL_ATTRIB_COLOR1, EMIT_3UB_3F_BGR, (R200_VTX_PK_RGBA << R200_VTX_COLOR_1_SHIFT) ); |
| } |
| else { |
| EMIT_PAD( 3 ); |
| } |
| #endif |
| } |
| |
| if (RENDERINPUTS_TEST_RANGE( index_bitset, _TNL_FIRST_TEX, _TNL_LAST_TEX )) { |
| int i; |
| |
| for (i = 0; i < ctx->Const.MaxTextureUnits; i++) { |
| if (RENDERINPUTS_TEST( index_bitset, _TNL_ATTRIB_TEX(i) )) { |
| GLuint sz = VB->TexCoordPtr[i]->size; |
| |
| fmt_1 |= sz << (3 * i); |
| EMIT_ATTR( _TNL_ATTRIB_TEX0+i, EMIT_1F + sz - 1, 0 ); |
| } |
| } |
| } |
| |
| if ( (rmesa->hw.ctx.cmd[CTX_PP_FOG_COLOR] & R200_FOG_USE_MASK) |
| != R200_FOG_USE_SPEC_ALPHA ) { |
| R200_STATECHANGE( rmesa, ctx ); |
| rmesa->hw.ctx.cmd[CTX_PP_FOG_COLOR] &= ~R200_FOG_USE_MASK; |
| rmesa->hw.ctx.cmd[CTX_PP_FOG_COLOR] |= R200_FOG_USE_SPEC_ALPHA; |
| } |
| |
| if (!RENDERINPUTS_EQUAL( rmesa->tnl_index_bitset, index_bitset ) || |
| (rmesa->hw.vtx.cmd[VTX_VTXFMT_0] != fmt_0) || |
| (rmesa->hw.vtx.cmd[VTX_VTXFMT_1] != fmt_1) ) { |
| R200_NEWPRIM(rmesa); |
| R200_STATECHANGE( rmesa, vtx ); |
| rmesa->hw.vtx.cmd[VTX_VTXFMT_0] = fmt_0; |
| rmesa->hw.vtx.cmd[VTX_VTXFMT_1] = fmt_1; |
| |
| rmesa->swtcl.vertex_size = |
| _tnl_install_attrs( ctx, |
| rmesa->swtcl.vertex_attrs, |
| rmesa->swtcl.vertex_attr_count, |
| NULL, 0 ); |
| rmesa->swtcl.vertex_size /= 4; |
| RENDERINPUTS_COPY( rmesa->tnl_index_bitset, index_bitset ); |
| } |
| } |
| |
| |
| static void r200RenderStart( GLcontext *ctx ) |
| { |
| r200ContextPtr rmesa = R200_CONTEXT( ctx ); |
| |
| r200SetVertexFormat( ctx ); |
| |
| if (rmesa->dma.flush != 0 && |
| rmesa->dma.flush != flush_last_swtcl_prim) |
| rmesa->dma.flush( rmesa ); |
| } |
| |
| |
| /** |
| * Set vertex state for SW TCL. The primary purpose of this function is to |
| * determine in advance whether or not the hardware can / should do the |
| * projection divide or Mesa should do it. |
| */ |
| void r200ChooseVertexState( GLcontext *ctx ) |
| { |
| r200ContextPtr rmesa = R200_CONTEXT( ctx ); |
| TNLcontext *tnl = TNL_CONTEXT(ctx); |
| GLuint vte; |
| GLuint vap; |
| |
| /* We must ensure that we don't do _tnl_need_projected_coords while in a |
| * rasterization fallback. As this function will be called again when we |
| * leave a rasterization fallback, we can just skip it for now. |
| */ |
| if (rmesa->Fallback != 0) |
| return; |
| |
| vte = rmesa->hw.vte.cmd[VTE_SE_VTE_CNTL]; |
| vap = rmesa->hw.vap.cmd[VAP_SE_VAP_CNTL]; |
| |
| /* HW perspective divide is a win, but tiny vertex formats are a |
| * bigger one. |
| */ |
| if (!RENDERINPUTS_TEST_RANGE( tnl->render_inputs_bitset, _TNL_FIRST_TEX, _TNL_LAST_TEX ) |
| || (ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED))) { |
| rmesa->swtcl.needproj = GL_TRUE; |
| vte |= R200_VTX_XY_FMT | R200_VTX_Z_FMT; |
| vte &= ~R200_VTX_W0_FMT; |
| if (RENDERINPUTS_TEST_RANGE( tnl->render_inputs_bitset, _TNL_FIRST_TEX, _TNL_LAST_TEX )) { |
| vap &= ~R200_VAP_FORCE_W_TO_ONE; |
| } |
| else { |
| vap |= R200_VAP_FORCE_W_TO_ONE; |
| } |
| } |
| else { |
| rmesa->swtcl.needproj = GL_FALSE; |
| vte &= ~(R200_VTX_XY_FMT | R200_VTX_Z_FMT); |
| vte |= R200_VTX_W0_FMT; |
| vap &= ~R200_VAP_FORCE_W_TO_ONE; |
| } |
| |
| _tnl_need_projected_coords( ctx, rmesa->swtcl.needproj ); |
| |
| if (vte != rmesa->hw.vte.cmd[VTE_SE_VTE_CNTL]) { |
| R200_STATECHANGE( rmesa, vte ); |
| rmesa->hw.vte.cmd[VTE_SE_VTE_CNTL] = vte; |
| } |
| |
| if (vap != rmesa->hw.vap.cmd[VAP_SE_VAP_CNTL]) { |
| R200_STATECHANGE( rmesa, vap ); |
| rmesa->hw.vap.cmd[VAP_SE_VAP_CNTL] = vap; |
| } |
| } |
| |
| |
| /* Flush vertices in the current dma region. |
| */ |
| static void flush_last_swtcl_prim( r200ContextPtr rmesa ) |
| { |
| if (R200_DEBUG & DEBUG_IOCTL) |
| fprintf(stderr, "%s\n", __FUNCTION__); |
| |
| rmesa->dma.flush = NULL; |
| |
| if (rmesa->dma.current.buf) { |
| struct r200_dma_region *current = &rmesa->dma.current; |
| GLuint current_offset = (rmesa->r200Screen->gart_buffer_offset + |
| current->buf->buf->idx * RADEON_BUFFER_SIZE + |
| current->start); |
| |
| assert (!(rmesa->swtcl.hw_primitive & R200_VF_PRIM_WALK_IND)); |
| |
| assert (current->start + |
| rmesa->swtcl.numverts * rmesa->swtcl.vertex_size * 4 == |
| current->ptr); |
| |
| if (rmesa->dma.current.start != rmesa->dma.current.ptr) { |
| r200EnsureCmdBufSpace( rmesa, VERT_AOS_BUFSZ + |
| rmesa->hw.max_state_size + VBUF_BUFSZ ); |
| r200EmitVertexAOS( rmesa, |
| rmesa->swtcl.vertex_size, |
| current_offset); |
| |
| r200EmitVbufPrim( rmesa, |
| rmesa->swtcl.hw_primitive, |
| rmesa->swtcl.numverts); |
| } |
| |
| rmesa->swtcl.numverts = 0; |
| current->start = current->ptr; |
| } |
| } |
| |
| |
| /* Alloc space in the current dma region. |
| */ |
| static INLINE void * |
| r200AllocDmaLowVerts( r200ContextPtr rmesa, int nverts, int vsize ) |
| { |
| GLuint bytes = vsize * nverts; |
| |
| if ( rmesa->dma.current.ptr + bytes > rmesa->dma.current.end ) |
| r200RefillCurrentDmaRegion( rmesa ); |
| |
| if (!rmesa->dma.flush) { |
| rmesa->glCtx->Driver.NeedFlush |= FLUSH_STORED_VERTICES; |
| rmesa->dma.flush = flush_last_swtcl_prim; |
| } |
| |
| ASSERT( vsize == rmesa->swtcl.vertex_size * 4 ); |
| ASSERT( rmesa->dma.flush == flush_last_swtcl_prim ); |
| ASSERT( rmesa->dma.current.start + |
| rmesa->swtcl.numverts * rmesa->swtcl.vertex_size * 4 == |
| rmesa->dma.current.ptr ); |
| |
| |
| { |
| GLubyte *head = (GLubyte *) (rmesa->dma.current.address + rmesa->dma.current.ptr); |
| rmesa->dma.current.ptr += bytes; |
| rmesa->swtcl.numverts += nverts; |
| return head; |
| } |
| |
| } |
| |
| |
| /**************************************************************************/ |
| |
| |
| static INLINE GLuint reduced_hw_prim( GLcontext *ctx, GLuint prim) |
| { |
| switch (prim) { |
| case GL_POINTS: |
| return (ctx->Point.PointSprite || |
| ((ctx->_TriangleCaps & (DD_POINT_SIZE | DD_POINT_ATTEN)) && |
| !(ctx->_TriangleCaps & (DD_POINT_SMOOTH)))) ? |
| R200_VF_PRIM_POINT_SPRITES : R200_VF_PRIM_POINTS; |
| case GL_LINES: |
| /* fallthrough */ |
| case GL_LINE_LOOP: |
| /* fallthrough */ |
| case GL_LINE_STRIP: |
| return R200_VF_PRIM_LINES; |
| default: |
| /* all others reduced to triangles */ |
| return R200_VF_PRIM_TRIANGLES; |
| } |
| } |
| |
| |
| static void r200RasterPrimitive( GLcontext *ctx, GLuint hwprim ); |
| static void r200RenderPrimitive( GLcontext *ctx, GLenum prim ); |
| static void r200ResetLineStipple( GLcontext *ctx ); |
| |
| /*********************************************************************** |
| * Emit primitives as inline vertices * |
| ***********************************************************************/ |
| |
| #define HAVE_POINTS 1 |
| #define HAVE_LINES 1 |
| #define HAVE_LINE_STRIPS 1 |
| #define HAVE_TRIANGLES 1 |
| #define HAVE_TRI_STRIPS 1 |
| #define HAVE_TRI_STRIP_1 0 |
| #define HAVE_TRI_FANS 1 |
| #define HAVE_QUADS 0 |
| #define HAVE_QUAD_STRIPS 0 |
| #define HAVE_POLYGONS 1 |
| #define HAVE_ELTS 0 |
| |
| #undef LOCAL_VARS |
| #undef ALLOC_VERTS |
| #define CTX_ARG r200ContextPtr rmesa |
| #define GET_VERTEX_DWORDS() rmesa->swtcl.vertex_size |
| #define ALLOC_VERTS( n, size ) r200AllocDmaLowVerts( rmesa, n, size * 4 ) |
| #define LOCAL_VARS \ |
| r200ContextPtr rmesa = R200_CONTEXT(ctx); \ |
| const char *r200verts = (char *)rmesa->swtcl.verts; |
| #define VERT(x) (r200Vertex *)(r200verts + ((x) * vertsize * sizeof(int))) |
| #define VERTEX r200Vertex |
| #define DO_DEBUG_VERTS (1 && (R200_DEBUG & DEBUG_VERTS)) |
| |
| #undef TAG |
| #define TAG(x) r200_##x |
| #include "tnl_dd/t_dd_triemit.h" |
| |
| |
| /*********************************************************************** |
| * Macros for t_dd_tritmp.h to draw basic primitives * |
| ***********************************************************************/ |
| |
| #define QUAD( a, b, c, d ) r200_quad( rmesa, a, b, c, d ) |
| #define TRI( a, b, c ) r200_triangle( rmesa, a, b, c ) |
| #define LINE( a, b ) r200_line( rmesa, a, b ) |
| #define POINT( a ) r200_point( rmesa, a ) |
| |
| /*********************************************************************** |
| * Build render functions from dd templates * |
| ***********************************************************************/ |
| |
| #define R200_TWOSIDE_BIT 0x01 |
| #define R200_UNFILLED_BIT 0x02 |
| #define R200_MAX_TRIFUNC 0x04 |
| |
| |
| static struct { |
| tnl_points_func points; |
| tnl_line_func line; |
| tnl_triangle_func triangle; |
| tnl_quad_func quad; |
| } rast_tab[R200_MAX_TRIFUNC]; |
| |
| |
| #define DO_FALLBACK 0 |
| #define DO_UNFILLED (IND & R200_UNFILLED_BIT) |
| #define DO_TWOSIDE (IND & R200_TWOSIDE_BIT) |
| #define DO_FLAT 0 |
| #define DO_OFFSET 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 TAB rast_tab |
| |
| #define DEPTH_SCALE 1.0 |
| #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->swtcl.verts + (e*rmesa->swtcl.vertex_size*sizeof(int))) |
| |
| #define VERT_SET_RGBA( v, c ) \ |
| do { \ |
| r200_color_t *color = (r200_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( v, c ) \ |
| do { \ |
| if (specoffset) { \ |
| r200_color_t *spec = (r200_color_t *)&((v)->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 (specoffset) { \ |
| r200_color_t *spec0 = (r200_color_t *)&((v0)->ui[specoffset]); \ |
| r200_color_t *spec1 = (r200_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 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 (specoffset) spec[idx] = v[idx]->ui[specoffset] |
| #define VERT_RESTORE_SPEC( idx ) if (specoffset) v[idx]->ui[specoffset] = spec[idx] |
| |
| #undef LOCAL_VARS |
| #undef TAG |
| #undef INIT |
| |
| #define LOCAL_VARS(n) \ |
| r200ContextPtr rmesa = R200_CONTEXT(ctx); \ |
| GLuint color[n], spec[n]; \ |
| GLuint coloroffset = rmesa->swtcl.coloroffset; \ |
| GLuint specoffset = rmesa->swtcl.specoffset; \ |
| (void) color; (void) spec; (void) coloroffset; (void) specoffset; |
| |
| /*********************************************************************** |
| * Helpers for rendering unfilled primitives * |
| ***********************************************************************/ |
| |
| #define RASTERIZE(x) r200RasterPrimitive( ctx, reduced_hw_prim(ctx, x) ) |
| #define RENDER_PRIMITIVE rmesa->swtcl.render_primitive |
| #undef TAG |
| #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 (R200_TWOSIDE_BIT) |
| #define TAG(x) x##_twoside |
| #include "tnl_dd/t_dd_tritmp.h" |
| |
| #define IND (R200_UNFILLED_BIT) |
| #define TAG(x) x##_unfilled |
| #include "tnl_dd/t_dd_tritmp.h" |
| |
| #define IND (R200_TWOSIDE_BIT|R200_UNFILLED_BIT) |
| #define TAG(x) x##_twoside_unfilled |
| #include "tnl_dd/t_dd_tritmp.h" |
| |
| |
| static void init_rast_tab( void ) |
| { |
| init(); |
| init_twoside(); |
| init_unfilled(); |
| init_twoside_unfilled(); |
| } |
| |
| /**********************************************************************/ |
| /* Render unclipped begin/end objects */ |
| /**********************************************************************/ |
| |
| #define RENDER_POINTS( start, count ) \ |
| for ( ; start < count ; start++) \ |
| r200_point( rmesa, VERT(start) ) |
| #define RENDER_LINE( v0, v1 ) \ |
| r200_line( rmesa, VERT(v0), VERT(v1) ) |
| #define RENDER_TRI( v0, v1, v2 ) \ |
| r200_triangle( rmesa, VERT(v0), VERT(v1), VERT(v2) ) |
| #define RENDER_QUAD( v0, v1, v2, v3 ) \ |
| r200_quad( rmesa, VERT(v0), VERT(v1), VERT(v2), VERT(v3) ) |
| #define INIT(x) do { \ |
| r200RenderPrimitive( ctx, x ); \ |
| } while (0) |
| #undef LOCAL_VARS |
| #define LOCAL_VARS \ |
| r200ContextPtr rmesa = R200_CONTEXT(ctx); \ |
| const GLuint vertsize = rmesa->swtcl.vertex_size; \ |
| const char *r200verts = (char *)rmesa->swtcl.verts; \ |
| const GLuint * const elt = TNL_CONTEXT(ctx)->vb.Elts; \ |
| const GLboolean stipple = ctx->Line.StippleFlag; \ |
| (void) elt; (void) stipple; |
| #define RESET_STIPPLE if ( stipple ) r200ResetLineStipple( ctx ); |
| #define RESET_OCCLUSION |
| #define PRESERVE_VB_DEFS |
| #define ELT(x) (x) |
| #define TAG(x) r200_##x##_verts |
| #include "tnl/t_vb_rendertmp.h" |
| #undef ELT |
| #undef TAG |
| #define TAG(x) r200_##x##_elts |
| #define ELT(x) elt[x] |
| #include "tnl/t_vb_rendertmp.h" |
| |
| |
| |
| /**********************************************************************/ |
| /* Choose render functions */ |
| /**********************************************************************/ |
| |
| void r200ChooseRenderState( GLcontext *ctx ) |
| { |
| TNLcontext *tnl = TNL_CONTEXT(ctx); |
| r200ContextPtr rmesa = R200_CONTEXT(ctx); |
| GLuint index = 0; |
| GLuint flags = ctx->_TriangleCaps; |
| |
| if (!rmesa->TclFallback || rmesa->Fallback) |
| return; |
| |
| if (flags & DD_TRI_LIGHT_TWOSIDE) index |= R200_TWOSIDE_BIT; |
| if (flags & DD_TRI_UNFILLED) index |= R200_UNFILLED_BIT; |
| |
| if (index != rmesa->swtcl.RenderIndex) { |
| 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 = r200_render_tab_verts; |
| tnl->Driver.Render.PrimTabElts = r200_render_tab_elts; |
| tnl->Driver.Render.ClippedPolygon = r200_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->swtcl.RenderIndex = index; |
| } |
| } |
| |
| |
| /**********************************************************************/ |
| /* High level hooks for t_vb_render.c */ |
| /**********************************************************************/ |
| |
| |
| static void r200RasterPrimitive( GLcontext *ctx, GLuint hwprim ) |
| { |
| r200ContextPtr rmesa = R200_CONTEXT(ctx); |
| |
| if (rmesa->swtcl.hw_primitive != hwprim) { |
| /* need to disable perspective-correct texturing for point sprites */ |
| if ((hwprim & 0xf) == R200_VF_PRIM_POINT_SPRITES && ctx->Point.PointSprite) { |
| if (rmesa->hw.set.cmd[SET_RE_CNTL] & R200_PERSPECTIVE_ENABLE) { |
| R200_STATECHANGE( rmesa, set ); |
| rmesa->hw.set.cmd[SET_RE_CNTL] &= ~R200_PERSPECTIVE_ENABLE; |
| } |
| } |
| else if (!(rmesa->hw.set.cmd[SET_RE_CNTL] & R200_PERSPECTIVE_ENABLE)) { |
| R200_STATECHANGE( rmesa, set ); |
| rmesa->hw.set.cmd[SET_RE_CNTL] |= R200_PERSPECTIVE_ENABLE; |
| } |
| R200_NEWPRIM( rmesa ); |
| rmesa->swtcl.hw_primitive = hwprim; |
| } |
| } |
| |
| static void r200RenderPrimitive( GLcontext *ctx, GLenum prim ) |
| { |
| r200ContextPtr rmesa = R200_CONTEXT(ctx); |
| rmesa->swtcl.render_primitive = prim; |
| if (prim < GL_TRIANGLES || !(ctx->_TriangleCaps & DD_TRI_UNFILLED)) |
| r200RasterPrimitive( ctx, reduced_hw_prim(ctx, prim) ); |
| } |
| |
| static void r200RenderFinish( GLcontext *ctx ) |
| { |
| } |
| |
| static void r200ResetLineStipple( GLcontext *ctx ) |
| { |
| r200ContextPtr rmesa = R200_CONTEXT(ctx); |
| R200_STATECHANGE( rmesa, lin ); |
| } |
| |
| |
| /**********************************************************************/ |
| /* Transition to/from hardware rasterization. */ |
| /**********************************************************************/ |
| |
| static const char * const fallbackStrings[] = { |
| "Texture mode", |
| "glDrawBuffer(GL_FRONT_AND_BACK)", |
| "glEnable(GL_STENCIL) without hw stencil buffer", |
| "glRenderMode(selection or feedback)", |
| "R200_NO_RAST", |
| "Mixing GL_CLAMP_TO_BORDER and GL_CLAMP (or GL_MIRROR_CLAMP_ATI)" |
| }; |
| |
| |
| static const char *getFallbackString(GLuint bit) |
| { |
| int i = 0; |
| while (bit > 1) { |
| i++; |
| bit >>= 1; |
| } |
| return fallbackStrings[i]; |
| } |
| |
| |
| void r200Fallback( GLcontext *ctx, GLuint bit, GLboolean mode ) |
| { |
| r200ContextPtr rmesa = R200_CONTEXT(ctx); |
| TNLcontext *tnl = TNL_CONTEXT(ctx); |
| GLuint oldfallback = rmesa->Fallback; |
| |
| if (mode) { |
| rmesa->Fallback |= bit; |
| if (oldfallback == 0) { |
| R200_FIREVERTICES( rmesa ); |
| TCL_FALLBACK( ctx, R200_TCL_FALLBACK_RASTER, GL_TRUE ); |
| _swsetup_Wakeup( ctx ); |
| rmesa->swtcl.RenderIndex = ~0; |
| if (R200_DEBUG & DEBUG_FALLBACKS) { |
| fprintf(stderr, "R200 begin rasterization fallback: 0x%x %s\n", |
| bit, getFallbackString(bit)); |
| } |
| } |
| } |
| else { |
| rmesa->Fallback &= ~bit; |
| if (oldfallback == bit) { |
| |
| _swrast_flush( ctx ); |
| tnl->Driver.Render.Start = r200RenderStart; |
| tnl->Driver.Render.PrimitiveNotify = r200RenderPrimitive; |
| tnl->Driver.Render.Finish = r200RenderFinish; |
| |
| tnl->Driver.Render.BuildVertices = _tnl_build_vertices; |
| tnl->Driver.Render.CopyPV = _tnl_copy_pv; |
| tnl->Driver.Render.Interp = _tnl_interp; |
| |
| tnl->Driver.Render.ResetLineStipple = r200ResetLineStipple; |
| TCL_FALLBACK( ctx, R200_TCL_FALLBACK_RASTER, GL_FALSE ); |
| if (rmesa->TclFallback) { |
| /* These are already done if rmesa->TclFallback goes to |
| * zero above. But not if it doesn't (R200_NO_TCL for |
| * example?) |
| */ |
| _tnl_invalidate_vertex_state( ctx, ~0 ); |
| _tnl_invalidate_vertices( ctx, ~0 ); |
| RENDERINPUTS_ZERO( rmesa->tnl_index_bitset ); |
| r200ChooseVertexState( ctx ); |
| r200ChooseRenderState( ctx ); |
| } |
| if (R200_DEBUG & DEBUG_FALLBACKS) { |
| fprintf(stderr, "R200 end rasterization fallback: 0x%x %s\n", |
| bit, getFallbackString(bit)); |
| } |
| } |
| } |
| } |
| |
| |
| |
| |
| /** |
| * Cope with depth operations by drawing individual pixels as points. |
| * |
| * \todo |
| * The way the vertex state is set in this routine is hokey. It seems to |
| * work, but it's very hackish. This whole routine is pretty hackish. If |
| * the bitmap is small enough, it seems like it would be faster to copy it |
| * to AGP memory and use it as a non-power-of-two texture (i.e., |
| * NV_texture_rectangle). |
| */ |
| void |
| r200PointsBitmap( GLcontext *ctx, GLint px, GLint py, |
| GLsizei width, GLsizei height, |
| const struct gl_pixelstore_attrib *unpack, |
| const GLubyte *bitmap ) |
| { |
| r200ContextPtr rmesa = R200_CONTEXT(ctx); |
| const GLfloat *rc = ctx->Current.RasterColor; |
| GLint row, col; |
| r200Vertex vert; |
| GLuint orig_vte; |
| GLuint h; |
| |
| |
| /* Turn off tcl. |
| */ |
| TCL_FALLBACK( ctx, R200_TCL_FALLBACK_BITMAP, 1 ); |
| |
| /* Choose tiny vertex format |
| */ |
| { |
| const GLuint fmt_0 = R200_VTX_XY | R200_VTX_Z0 | R200_VTX_W0 |
| | (R200_VTX_PK_RGBA << R200_VTX_COLOR_0_SHIFT); |
| const GLuint fmt_1 = 0; |
| GLuint vte = rmesa->hw.vte.cmd[VTE_SE_VTE_CNTL]; |
| GLuint vap = rmesa->hw.vap.cmd[VAP_SE_VAP_CNTL]; |
| |
| vte &= ~(R200_VTX_XY_FMT | R200_VTX_Z_FMT); |
| vte |= R200_VTX_W0_FMT; |
| vap &= ~R200_VAP_FORCE_W_TO_ONE; |
| |
| rmesa->swtcl.vertex_size = 5; |
| |
| if ( (rmesa->hw.vtx.cmd[VTX_VTXFMT_0] != fmt_0) |
| || (rmesa->hw.vtx.cmd[VTX_VTXFMT_1] != fmt_1) ) { |
| R200_NEWPRIM(rmesa); |
| R200_STATECHANGE( rmesa, vtx ); |
| rmesa->hw.vtx.cmd[VTX_VTXFMT_0] = fmt_0; |
| rmesa->hw.vtx.cmd[VTX_VTXFMT_1] = fmt_1; |
| } |
| |
| if (vte != rmesa->hw.vte.cmd[VTE_SE_VTE_CNTL]) { |
| R200_STATECHANGE( rmesa, vte ); |
| rmesa->hw.vte.cmd[VTE_SE_VTE_CNTL] = vte; |
| } |
| |
| if (vap != rmesa->hw.vap.cmd[VAP_SE_VAP_CNTL]) { |
| R200_STATECHANGE( rmesa, vap ); |
| rmesa->hw.vap.cmd[VAP_SE_VAP_CNTL] = vap; |
| } |
| } |
| |
| /* Ready for point primitives: |
| */ |
| r200RenderPrimitive( ctx, GL_POINTS ); |
| |
| /* Turn off the hw viewport transformation: |
| */ |
| R200_STATECHANGE( rmesa, vte ); |
| orig_vte = rmesa->hw.vte.cmd[VTE_SE_VTE_CNTL]; |
| rmesa->hw.vte.cmd[VTE_SE_VTE_CNTL] &= ~(R200_VPORT_X_SCALE_ENA | |
| R200_VPORT_Y_SCALE_ENA | |
| R200_VPORT_Z_SCALE_ENA | |
| R200_VPORT_X_OFFSET_ENA | |
| R200_VPORT_Y_OFFSET_ENA | |
| R200_VPORT_Z_OFFSET_ENA); |
| |
| /* Turn off other stuff: Stipple?, texture?, blending?, etc. |
| */ |
| |
| |
| /* Populate the vertex |
| * |
| * Incorporate FOG into RGBA |
| */ |
| if (ctx->Fog.Enabled) { |
| const GLfloat *fc = ctx->Fog.Color; |
| GLfloat color[4]; |
| GLfloat f; |
| |
| if (ctx->Fog.FogCoordinateSource == GL_FOG_COORDINATE_EXT) |
| f = _swrast_z_to_fogfactor(ctx, ctx->Current.Attrib[VERT_ATTRIB_FOG][0]); |
| else |
| f = _swrast_z_to_fogfactor(ctx, ctx->Current.RasterDistance); |
| |
| color[0] = f * rc[0] + (1.F - f) * fc[0]; |
| color[1] = f * rc[1] + (1.F - f) * fc[1]; |
| color[2] = f * rc[2] + (1.F - f) * fc[2]; |
| color[3] = rc[3]; |
| |
| UNCLAMPED_FLOAT_TO_CHAN(vert.tv.color.red, color[0]); |
| UNCLAMPED_FLOAT_TO_CHAN(vert.tv.color.green, color[1]); |
| UNCLAMPED_FLOAT_TO_CHAN(vert.tv.color.blue, color[2]); |
| UNCLAMPED_FLOAT_TO_CHAN(vert.tv.color.alpha, color[3]); |
| } |
| else { |
| UNCLAMPED_FLOAT_TO_CHAN(vert.tv.color.red, rc[0]); |
| UNCLAMPED_FLOAT_TO_CHAN(vert.tv.color.green, rc[1]); |
| UNCLAMPED_FLOAT_TO_CHAN(vert.tv.color.blue, rc[2]); |
| UNCLAMPED_FLOAT_TO_CHAN(vert.tv.color.alpha, rc[3]); |
| } |
| |
| |
| vert.tv.z = ctx->Current.RasterPos[2]; |
| |
| |
| /* Update window height |
| */ |
| LOCK_HARDWARE( rmesa ); |
| UNLOCK_HARDWARE( rmesa ); |
| h = rmesa->dri.drawable->h + rmesa->dri.drawable->y; |
| px += rmesa->dri.drawable->x; |
| |
| /* Clipping handled by existing mechansims in r200_ioctl.c? |
| */ |
| for (row=0; row<height; row++) { |
| const GLubyte *src = (const GLubyte *) |
| _mesa_image_address2d(unpack, bitmap, width, height, |
| GL_COLOR_INDEX, GL_BITMAP, row, 0 ); |
| |
| if (unpack->LsbFirst) { |
| /* Lsb first */ |
| GLubyte mask = 1U << (unpack->SkipPixels & 0x7); |
| for (col=0; col<width; col++) { |
| if (*src & mask) { |
| vert.tv.x = px+col; |
| vert.tv.y = h - (py+row) - 1; |
| r200_point( rmesa, &vert ); |
| } |
| src += (mask >> 7); |
| mask = ((mask << 1) & 0xff) | (mask >> 7); |
| } |
| |
| /* get ready for next row */ |
| if (mask != 1) |
| src++; |
| } |
| else { |
| /* Msb first */ |
| GLubyte mask = 128U >> (unpack->SkipPixels & 0x7); |
| for (col=0; col<width; col++) { |
| if (*src & mask) { |
| vert.tv.x = px+col; |
| vert.tv.y = h - (py+row) - 1; |
| r200_point( rmesa, &vert ); |
| } |
| src += mask & 1; |
| mask = ((mask << 7) & 0xff) | (mask >> 1); |
| } |
| /* get ready for next row */ |
| if (mask != 128) |
| src++; |
| } |
| } |
| |
| /* Fire outstanding vertices, restore state |
| */ |
| R200_STATECHANGE( rmesa, vte ); |
| rmesa->hw.vte.cmd[VTE_SE_VTE_CNTL] = orig_vte; |
| |
| /* Unfallback |
| */ |
| TCL_FALLBACK( ctx, R200_TCL_FALLBACK_BITMAP, 0 ); |
| |
| /* Need to restore vertexformat? |
| */ |
| if (rmesa->TclFallback) |
| r200ChooseVertexState( ctx ); |
| } |
| |
| |
| |
| /**********************************************************************/ |
| /* Initialization. */ |
| /**********************************************************************/ |
| |
| void r200InitSwtcl( GLcontext *ctx ) |
| { |
| TNLcontext *tnl = TNL_CONTEXT(ctx); |
| r200ContextPtr rmesa = R200_CONTEXT(ctx); |
| static int firsttime = 1; |
| |
| if (firsttime) { |
| init_rast_tab(); |
| firsttime = 0; |
| } |
| |
| tnl->Driver.Render.Start = r200RenderStart; |
| tnl->Driver.Render.Finish = r200RenderFinish; |
| tnl->Driver.Render.PrimitiveNotify = r200RenderPrimitive; |
| tnl->Driver.Render.ResetLineStipple = r200ResetLineStipple; |
| tnl->Driver.Render.BuildVertices = _tnl_build_vertices; |
| tnl->Driver.Render.CopyPV = _tnl_copy_pv; |
| tnl->Driver.Render.Interp = _tnl_interp; |
| |
| /* FIXME: what are these numbers? */ |
| _tnl_init_vertices( ctx, ctx->Const.MaxArrayLockSize + 12, |
| 36 * sizeof(GLfloat) ); |
| |
| rmesa->swtcl.verts = (GLubyte *)tnl->clipspace.vertex_buf; |
| rmesa->swtcl.RenderIndex = ~0; |
| rmesa->swtcl.render_primitive = GL_TRIANGLES; |
| rmesa->swtcl.hw_primitive = 0; |
| } |
| |
| |
| void r200DestroySwtcl( GLcontext *ctx ) |
| { |
| r200ContextPtr rmesa = R200_CONTEXT(ctx); |
| |
| if (rmesa->swtcl.indexed_verts.buf) |
| r200ReleaseDmaRegion( rmesa, &rmesa->swtcl.indexed_verts, __FUNCTION__ ); |
| } |