| /* |
| 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 "main/glheader.h" |
| #include "main/mtypes.h" |
| #include "main/colormac.h" |
| #include "main/enums.h" |
| #include "main/image.h" |
| #include "main/imports.h" |
| #include "main/macros.h" |
| #include "main/simple_list.h" |
| |
| #include "swrast/s_context.h" |
| #include "swrast/s_fog.h" |
| #include "swrast_setup/swrast_setup.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" |
| |
| |
| /*********************************************************************** |
| * Initialization |
| ***********************************************************************/ |
| |
| #define EMIT_ATTR( ATTR, STYLE, F0 ) \ |
| do { \ |
| rmesa->radeon.swtcl.vertex_attrs[rmesa->radeon.swtcl.vertex_attr_count].attrib = (ATTR); \ |
| rmesa->radeon.swtcl.vertex_attrs[rmesa->radeon.swtcl.vertex_attr_count].format = (STYLE); \ |
| rmesa->radeon.swtcl.vertex_attr_count++; \ |
| fmt_0 |= F0; \ |
| } while (0) |
| |
| #define EMIT_PAD( N ) \ |
| do { \ |
| rmesa->radeon.swtcl.vertex_attrs[rmesa->radeon.swtcl.vertex_attr_count].attrib = 0; \ |
| rmesa->radeon.swtcl.vertex_attrs[rmesa->radeon.swtcl.vertex_attr_count].format = EMIT_PAD; \ |
| rmesa->radeon.swtcl.vertex_attrs[rmesa->radeon.swtcl.vertex_attr_count].offset = (N); \ |
| rmesa->radeon.swtcl.vertex_attr_count++; \ |
| } while (0) |
| |
| static void r200SetVertexFormat( struct gl_context *ctx ) |
| { |
| r200ContextPtr rmesa = R200_CONTEXT( ctx ); |
| TNLcontext *tnl = TNL_CONTEXT(ctx); |
| struct vertex_buffer *VB = &tnl->vb; |
| GLbitfield64 index_bitset = tnl->render_inputs_bitset; |
| int fmt_0 = 0; |
| int fmt_1 = 0; |
| int offset = 0; |
| |
| /* 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->radeon.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 || |
| (index_bitset & BITFIELD64_RANGE(_TNL_ATTRIB_TEX0, _TNL_NUM_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 (index_bitset & BITFIELD64_BIT(_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 (index_bitset & |
| (BITFIELD64_BIT(_TNL_ATTRIB_COLOR1) | BITFIELD64_BIT(_TNL_ATTRIB_FOG))) { |
| |
| #if MESA_LITTLE_ENDIAN |
| if (index_bitset & BITFIELD64_BIT(_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 (index_bitset & BITFIELD64_BIT(_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 (index_bitset & BITFIELD64_BIT(_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 (index_bitset & BITFIELD64_BIT(_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 (index_bitset & BITFIELD64_RANGE(_TNL_ATTRIB_TEX0, _TNL_NUM_TEX)) { |
| int i; |
| |
| for (i = 0; i < ctx->Const.MaxTextureUnits; i++) { |
| if (index_bitset & BITFIELD64_BIT(_TNL_ATTRIB_TEX(i))) { |
| GLuint sz = VB->AttribPtr[_TNL_ATTRIB_TEX0 + 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 (rmesa->radeon.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->radeon.swtcl.vertex_size = |
| _tnl_install_attrs( ctx, |
| rmesa->radeon.swtcl.vertex_attrs, |
| rmesa->radeon.swtcl.vertex_attr_count, |
| NULL, 0 ); |
| rmesa->radeon.swtcl.vertex_size /= 4; |
| rmesa->radeon.tnl_index_bitset = index_bitset; |
| } |
| } |
| |
| static void r200_predict_emit_size( r200ContextPtr rmesa ) |
| { |
| if (RADEON_DEBUG & RADEON_VERTS) |
| fprintf(stderr, "%s\n", __func__); |
| const int vertex_array_size = 7; |
| const int prim_size = 3; |
| if (!rmesa->radeon.swtcl.emit_prediction) { |
| const int state_size = radeonCountStateEmitSize(&rmesa->radeon); |
| if (rcommonEnsureCmdBufSpace(&rmesa->radeon, |
| state_size + |
| vertex_array_size + prim_size, |
| __FUNCTION__)) |
| rmesa->radeon.swtcl.emit_prediction = radeonCountStateEmitSize(&rmesa->radeon); |
| else |
| rmesa->radeon.swtcl.emit_prediction = state_size; |
| rmesa->radeon.swtcl.emit_prediction += vertex_array_size + prim_size |
| + rmesa->radeon.cmdbuf.cs->cdw; |
| } |
| } |
| |
| |
| static void r200RenderStart( struct gl_context *ctx ) |
| { |
| r200SetVertexFormat( ctx ); |
| if (RADEON_DEBUG & RADEON_VERTS) |
| fprintf(stderr, "%s\n", __func__); |
| } |
| |
| |
| /** |
| * 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( struct gl_context *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->radeon.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 ((0 == (tnl->render_inputs_bitset & BITFIELD64_RANGE(_TNL_ATTRIB_TEX0, _TNL_NUM_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 (tnl->render_inputs_bitset & BITFIELD64_RANGE(_TNL_ATTRIB_TEX0, _TNL_NUM_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; |
| } |
| } |
| |
| void r200_swtcl_flush(struct gl_context *ctx, uint32_t current_offset) |
| { |
| r200ContextPtr rmesa = R200_CONTEXT(ctx); |
| if (RADEON_DEBUG & RADEON_VERTS) |
| fprintf(stderr, "%s\n", __func__); |
| |
| |
| radeonEmitState(&rmesa->radeon); |
| r200EmitVertexAOS( rmesa, |
| rmesa->radeon.swtcl.vertex_size, |
| rmesa->radeon.swtcl.bo, |
| current_offset); |
| |
| |
| r200EmitVbufPrim( rmesa, |
| rmesa->radeon.swtcl.hw_primitive, |
| rmesa->radeon.swtcl.numverts); |
| if ( rmesa->radeon.swtcl.emit_prediction < rmesa->radeon.cmdbuf.cs->cdw ) |
| WARN_ONCE("Rendering was %d commands larger than predicted size." |
| " We might overflow command buffer.\n", |
| rmesa->radeon.cmdbuf.cs->cdw - rmesa->radeon.swtcl.emit_prediction ); |
| |
| rmesa->radeon.swtcl.emit_prediction = 0; |
| |
| } |
| |
| /**************************************************************************/ |
| |
| |
| static INLINE GLuint reduced_hw_prim( struct gl_context *ctx, GLuint prim) |
| { |
| switch (prim) { |
| case GL_POINTS: |
| return ((!(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( struct gl_context *ctx, GLuint hwprim ); |
| static void r200RenderPrimitive( struct gl_context *ctx, GLenum prim ); |
| static void r200ResetLineStipple( struct gl_context *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 |
| |
| static void* r200_alloc_verts( r200ContextPtr rmesa, GLuint n, GLuint size) |
| { |
| void *rv; |
| do { |
| r200_predict_emit_size( rmesa ); |
| rv = rcommonAllocDmaLowVerts( &rmesa->radeon, n, size * 4 ); |
| } while(!rv); |
| return rv; |
| } |
| |
| #undef LOCAL_VARS |
| #undef ALLOC_VERTS |
| #define CTX_ARG r200ContextPtr rmesa |
| #define GET_VERTEX_DWORDS() rmesa->radeon.swtcl.vertex_size |
| #define ALLOC_VERTS( n, size ) r200_alloc_verts(rmesa, n, size) |
| #define LOCAL_VARS \ |
| r200ContextPtr rmesa = R200_CONTEXT(ctx); \ |
| const char *r200verts = (char *)rmesa->radeon.swtcl.verts; |
| #define VERT(x) (radeonVertex *)(r200verts + ((x) * vertsize * sizeof(int))) |
| #define VERTEX radeonVertex |
| #define DO_DEBUG_VERTS (1 && (R200_DEBUG & RADEON_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_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->radeon.swtcl.verts + (e*rmesa->radeon.swtcl.vertex_size*sizeof(int))) |
| |
| #define VERT_SET_RGBA( v, c ) \ |
| do { \ |
| radeon_color_t *color = (radeon_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) { \ |
| radeon_color_t *spec = (radeon_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) { \ |
| radeon_color_t *spec0 = (radeon_color_t *)&((v0)->ui[specoffset]); \ |
| radeon_color_t *spec1 = (radeon_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] = {0}, spec[n] = {0}; \ |
| 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->radeon.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->radeon.swtcl.vertex_size; \ |
| const char *r200verts = (char *)rmesa->radeon.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( struct gl_context *ctx ) |
| { |
| TNLcontext *tnl = TNL_CONTEXT(ctx); |
| r200ContextPtr rmesa = R200_CONTEXT(ctx); |
| GLuint index = 0; |
| GLuint flags = ctx->_TriangleCaps; |
| |
| if (!rmesa->radeon.TclFallback || rmesa->radeon.Fallback) |
| return; |
| |
| if (flags & DD_TRI_LIGHT_TWOSIDE) index |= R200_TWOSIDE_BIT; |
| if (flags & DD_TRI_UNFILLED) index |= R200_UNFILLED_BIT; |
| |
| if (index != rmesa->radeon.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->radeon.swtcl.RenderIndex = index; |
| } |
| } |
| |
| |
| /**********************************************************************/ |
| /* High level hooks for t_vb_render.c */ |
| /**********************************************************************/ |
| |
| |
| static void r200RasterPrimitive( struct gl_context *ctx, GLuint hwprim ) |
| { |
| r200ContextPtr rmesa = R200_CONTEXT(ctx); |
| |
| radeon_prepare_render(&rmesa->radeon); |
| if (rmesa->radeon.NewGLState) |
| r200ValidateState( ctx ); |
| |
| |
| if (rmesa->radeon.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->radeon.swtcl.hw_primitive = hwprim; |
| } |
| } |
| |
| static void r200RenderPrimitive( struct gl_context *ctx, GLenum prim ) |
| { |
| r200ContextPtr rmesa = R200_CONTEXT(ctx); |
| rmesa->radeon.swtcl.render_primitive = prim; |
| if (prim < GL_TRIANGLES || !(ctx->_TriangleCaps & DD_TRI_UNFILLED)) |
| r200RasterPrimitive( ctx, reduced_hw_prim(ctx, prim) ); |
| } |
| |
| static void r200RenderFinish( struct gl_context *ctx ) |
| { |
| } |
| |
| static void r200ResetLineStipple( struct gl_context *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( struct gl_context *ctx, GLuint bit, GLboolean mode ) |
| { |
| r200ContextPtr rmesa = R200_CONTEXT(ctx); |
| TNLcontext *tnl = TNL_CONTEXT(ctx); |
| GLuint oldfallback = rmesa->radeon.Fallback; |
| |
| if (mode) { |
| rmesa->radeon.Fallback |= bit; |
| if (oldfallback == 0) { |
| radeon_firevertices(&rmesa->radeon); |
| TCL_FALLBACK( ctx, R200_TCL_FALLBACK_RASTER, GL_TRUE ); |
| _swsetup_Wakeup( ctx ); |
| rmesa->radeon.swtcl.RenderIndex = ~0; |
| if (R200_DEBUG & RADEON_FALLBACKS) { |
| fprintf(stderr, "R200 begin rasterization fallback: 0x%x %s\n", |
| bit, getFallbackString(bit)); |
| } |
| } |
| } |
| else { |
| rmesa->radeon.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->radeon.TclFallback) { |
| /* These are already done if rmesa->radeon.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 ); |
| rmesa->radeon.tnl_index_bitset = 0; |
| r200ChooseVertexState( ctx ); |
| r200ChooseRenderState( ctx ); |
| } |
| if (R200_DEBUG & RADEON_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( struct gl_context *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; |
| radeonVertex 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->radeon.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 |
| */ |
| h = radeon_get_drawable(&rmesa->radeon)->h; |
| |
| /* 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->radeon.TclFallback) |
| r200ChooseVertexState( ctx ); |
| } |
| |
| |
| |
| /**********************************************************************/ |
| /* Initialization. */ |
| /**********************************************************************/ |
| |
| void r200InitSwtcl( struct gl_context *ctx ) |
| { |
| TNLcontext *tnl = TNL_CONTEXT(ctx); |
| r200ContextPtr rmesa = R200_CONTEXT(ctx); |
| static int firsttime = 1; |
| |
| if (firsttime) { |
| init_rast_tab(); |
| firsttime = 0; |
| } |
| rmesa->radeon.swtcl.emit_prediction = 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->radeon.swtcl.verts = (GLubyte *)tnl->clipspace.vertex_buf; |
| rmesa->radeon.swtcl.RenderIndex = ~0; |
| rmesa->radeon.swtcl.render_primitive = GL_TRIANGLES; |
| rmesa->radeon.swtcl.hw_primitive = 0; |
| } |
| |