diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/r200/r200_swtcl.c')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/dri/r200/r200_swtcl.c | 957 |
1 files changed, 957 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/r200/r200_swtcl.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/r200/r200_swtcl.c new file mode 100644 index 000000000..94b4978fa --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/drivers/dri/r200/r200_swtcl.c @@ -0,0 +1,957 @@ +/* $XFree86: xc/lib/GL/mesa/src/drv/r200/r200_swtcl.c,v 1.5 2003/05/06 23:52:08 daenzer Exp $ */ +/* +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 "tnl/t_vtx_api.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; + GLuint index = tnl->render_inputs; + 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->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 & _TNL_BITS_TEX_ANY)) { /* 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; + } + + 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 & (_TNL_BIT_COLOR1|_TNL_BIT_FOG)) { + +#if MESA_LITTLE_ENDIAN + if (index & _TNL_BIT_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 & _TNL_BIT_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 & _TNL_BIT_FOG) { + EMIT_ATTR( _TNL_ATTRIB_FOG, EMIT_1UB_1F, (R200_VTX_PK_RGBA << R200_VTX_COLOR_1_SHIFT) ); + } + else { + EMIT_PAD( 1 ); + } + + if (index & _TNL_BIT_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 & _TNL_BITS_TEX_ANY) { + int i; + + for (i = 0; i < ctx->Const.MaxTextureUnits; i++) { + if (index & _TNL_BIT_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 ( rmesa->tnl_index != index || + (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; + rmesa->tnl_index = index; + } +} + + +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 ( ((tnl->render_inputs & _TNL_BITS_TEX_ANY) == 0) + || (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 & _TNL_BITS_TEX_ANY) { + 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 const GLuint reduced_hw_prim[GL_POLYGON+1] = { + R200_VF_PRIM_POINTS, + R200_VF_PRIM_LINES, + R200_VF_PRIM_LINES, + R200_VF_PRIM_LINES, + R200_VF_PRIM_TRIANGLES, + R200_VF_PRIM_TRIANGLES, + R200_VF_PRIM_TRIANGLES, + R200_VF_PRIM_TRIANGLES, + R200_VF_PRIM_TRIANGLES, + 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[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) { + 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[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?) + */ + 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 ); +} + + +void r200FlushVertices( GLcontext *ctx, GLuint flags ) +{ + _tnl_FlushVertices( ctx, flags ); + + if (flags & FLUSH_STORED_VERTICES) + R200_NEWPRIM( R200_CONTEXT( 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__ ); +} |