| /* |
| * Author: Max Lingua <sunmax@libero.it> |
| */ |
| |
| #include "glheader.h" |
| #include "mtypes.h" |
| #include "macros.h" |
| #include "colormac.h" |
| |
| #include "swrast_setup/swrast_setup.h" |
| #include "tnl/t_context.h" |
| #include "tnl/tnl.h" |
| |
| #include "s3v_context.h" |
| #include "s3v_vb.h" |
| #include "s3v_tris.h" |
| |
| #define S3V_XYZW_BIT 0x1 |
| #define S3V_RGBA_BIT 0x2 |
| #define S3V_TEX0_BIT 0x4 |
| #define S3V_PTEX_BIT 0x8 |
| #define S3V_FOG_BIT 0x10 |
| #define S3V_MAX_SETUP 0x20 |
| |
| static struct { |
| void (*emit)( GLcontext *, GLuint, GLuint, void *, GLuint ); |
| tnl_interp_func interp; |
| tnl_copy_pv_func copy_pv; |
| GLboolean (*check_tex_sizes)( GLcontext *ctx ); |
| GLuint vertex_size; |
| GLuint vertex_stride_shift; |
| GLuint vertex_format; |
| } setup_tab[S3V_MAX_SETUP]; |
| |
| |
| /* Only one vertex format, atm, so no need to give them names: |
| */ |
| #define TINY_VERTEX_FORMAT 1 |
| #define NOTEX_VERTEX_FORMAT 0 |
| #define TEX0_VERTEX_FORMAT 0 |
| #define TEX1_VERTEX_FORMAT 0 |
| #define PROJ_TEX1_VERTEX_FORMAT 0 |
| #define TEX2_VERTEX_FORMAT 0 |
| #define TEX3_VERTEX_FORMAT 0 |
| #define PROJ_TEX3_VERTEX_FORMAT 0 |
| |
| #define DO_XYZW (IND & S3V_XYZW_BIT) |
| #define DO_RGBA (IND & S3V_RGBA_BIT) |
| #define DO_SPEC 0 |
| #define DO_FOG (IND & S3V_FOG_BIT) |
| #define DO_TEX0 (IND & S3V_TEX0_BIT) |
| #define DO_TEX1 0 |
| #define DO_TEX2 0 |
| #define DO_TEX3 0 |
| #define DO_PTEX (IND & S3V_PTEX_BIT) |
| |
| #define VERTEX s3vVertex |
| #define LOCALVARS /* s3vContextPtr vmesa = S3V_CONTEXT(ctx); */ |
| #define GET_VIEWPORT_MAT() 0 /* vmesa->hw_viewport */ |
| #define GET_TEXSOURCE(n) n |
| #define GET_VERTEX_FORMAT() 0 |
| #define GET_VERTEX_SIZE() S3V_CONTEXT(ctx)->vertex_size * sizeof(GLuint) |
| #define GET_VERTEX_STORE() S3V_CONTEXT(ctx)->verts |
| #define GET_VERTEX_STRIDE_SHIFT() S3V_CONTEXT(ctx)->vertex_stride_shift |
| #define INVALIDATE_STORED_VERTICES() |
| #define GET_UBYTE_COLOR_STORE() &S3V_CONTEXT(ctx)->UbyteColor |
| #define GET_UBYTE_SPEC_COLOR_STORE() &S3V_CONTEXT(ctx)->UbyteSecondaryColor |
| |
| #define HAVE_HW_VIEWPORT 1 /* FIXME */ |
| #define HAVE_HW_DIVIDE 1 |
| #define HAVE_RGBA_COLOR 0 /* we're BGRA */ |
| #define HAVE_TINY_VERTICES 1 |
| #define HAVE_NOTEX_VERTICES 0 |
| #define HAVE_TEX0_VERTICES 0 |
| #define HAVE_TEX1_VERTICES 0 |
| #define HAVE_TEX2_VERTICES 0 |
| #define HAVE_TEX3_VERTICES 0 |
| #define HAVE_PTEX_VERTICES 1 |
| |
| /* |
| #define SUBPIXEL_X -.5 |
| #define SUBPIXEL_Y -.5 |
| #define UNVIEWPORT_VARS GLfloat h = S3V_CONTEXT(ctx)->driDrawable->h |
| #define UNVIEWPORT_X(x) x - SUBPIXEL_X |
| #define UNVIEWPORT_Y(y) - y + h + SUBPIXEL_Y |
| #define UNVIEWPORT_Z(z) z / vmesa->depth_scale |
| */ |
| |
| #define PTEX_FALLBACK() /* never needed */ |
| |
| #define IMPORT_QUALIFIER |
| #define IMPORT_FLOAT_COLORS s3v_import_float_colors |
| #define IMPORT_FLOAT_SPEC_COLORS s3v_import_float_spec_colors |
| |
| #define INTERP_VERTEX setup_tab[S3V_CONTEXT(ctx)->SetupIndex].interp |
| #define COPY_PV_VERTEX setup_tab[S3V_CONTEXT(ctx)->SetupIndex].copy_pv |
| |
| |
| |
| /*********************************************************************** |
| * Generate pv-copying and translation functions * |
| ***********************************************************************/ |
| |
| #define TAG(x) s3v_##x |
| #include "tnl_dd/t_dd_vb.c" |
| |
| /*********************************************************************** |
| * Generate vertex emit and interp functions * |
| ***********************************************************************/ |
| |
| |
| #define IND (S3V_XYZW_BIT|S3V_RGBA_BIT) |
| #define TAG(x) x##_wg |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (S3V_XYZW_BIT|S3V_RGBA_BIT|S3V_TEX0_BIT) |
| #define TAG(x) x##_wgt0 |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (S3V_XYZW_BIT|S3V_RGBA_BIT|S3V_TEX0_BIT|S3V_PTEX_BIT) |
| #define TAG(x) x##_wgpt0 |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (S3V_TEX0_BIT) |
| #define TAG(x) x##_t0 |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (S3V_RGBA_BIT) |
| #define TAG(x) x##_g |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (S3V_RGBA_BIT|S3V_TEX0_BIT) |
| #define TAG(x) x##_gt0 |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (S3V_XYZW_BIT|S3V_RGBA_BIT|S3V_FOG_BIT) |
| #define TAG(x) x##_wgf |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (S3V_XYZW_BIT|S3V_RGBA_BIT|S3V_FOG_BIT|S3V_TEX0_BIT) |
| #define TAG(x) x##_wgft0 |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (S3V_XYZW_BIT|S3V_RGBA_BIT|S3V_FOG_BIT|S3V_TEX0_BIT|S3V_PTEX_BIT) |
| #define TAG(x) x##_wgfpt0 |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (S3V_FOG_BIT) |
| #define TAG(x) x##_f |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (S3V_RGBA_BIT | S3V_FOG_BIT) |
| #define TAG(x) x##_gf |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| #define IND (S3V_RGBA_BIT | S3V_FOG_BIT | S3V_TEX0_BIT) |
| #define TAG(x) x##_gft0 |
| #include "tnl_dd/t_dd_vbtmp.h" |
| |
| static void init_setup_tab( void ) |
| { |
| init_wg(); /* pos + col */ |
| init_wgt0(); /* pos + col + tex0 */ |
| init_wgpt0(); /* pos + col + p-tex0 (?) */ |
| init_t0(); /* tex0 */ |
| init_g(); /* col */ |
| init_gt0(); /* col + tex */ |
| init_wgf(); |
| init_wgft0(); |
| init_wgfpt0(); |
| init_f(); |
| init_gf(); |
| init_gft0(); |
| } |
| |
| |
| #if 0 |
| void s3vPrintSetupFlags(char *msg, GLuint flags ) |
| { |
| fprintf(stderr, "%s(%x): %s%s%s%s%s%s\n", |
| msg, |
| (int)flags, |
| (flags & S3V_XYZW_BIT) ? " xyzw," : "", |
| (flags & S3V_RGBA_BIT) ? " rgba," : "", |
| (flags & S3V_SPEC_BIT) ? " spec," : "", |
| (flags & S3V_FOG_BIT) ? " fog," : "", |
| (flags & S3V_TEX0_BIT) ? " tex-0," : "", |
| (flags & S3V_TEX1_BIT) ? " tex-1," : ""); |
| } |
| #endif |
| |
| |
| void s3vCheckTexSizes( GLcontext *ctx ) |
| { |
| TNLcontext *tnl = TNL_CONTEXT(ctx); |
| s3vContextPtr vmesa = S3V_CONTEXT( ctx ); |
| |
| if (!setup_tab[vmesa->SetupIndex].check_tex_sizes(ctx)) { |
| |
| vmesa->SetupIndex |= (S3V_PTEX_BIT|S3V_RGBA_BIT); |
| |
| if (1 || !(ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED))) { |
| tnl->Driver.Render.Interp = setup_tab[vmesa->SetupIndex].interp; |
| tnl->Driver.Render.CopyPV = setup_tab[vmesa->SetupIndex].copy_pv; |
| } |
| } |
| } |
| |
| void s3vBuildVertices( GLcontext *ctx, |
| GLuint start, |
| GLuint count, |
| GLuint newinputs ) |
| { |
| s3vContextPtr vmesa = S3V_CONTEXT( ctx ); |
| GLubyte *v = ((GLubyte *)vmesa->verts + |
| (start<<vmesa->vertex_stride_shift)); |
| GLuint stride = 1<<vmesa->vertex_stride_shift; |
| |
| DEBUG(("*** s3vBuildVertices ***\n")); |
| DEBUG(("vmesa->SetupNewInputs = 0x%x\n", vmesa->SetupNewInputs)); |
| DEBUG(("vmesa->SetupIndex = 0x%x\n", vmesa->SetupIndex)); |
| |
| #if 1 |
| setup_tab[vmesa->SetupIndex].emit( ctx, start, count, v, stride ); |
| #else |
| newinputs |= vmesa->SetupNewInputs; |
| vmesa->SetupNewInputs = 0; |
| |
| DEBUG(("newinputs is 0x%x\n", newinputs)); |
| |
| if (!newinputs) { |
| DEBUG(("!newinputs\n")); |
| return; |
| } |
| |
| if (newinputs & VERT_CLIP) { |
| setup_tab[vmesa->SetupIndex].emit( ctx, start, count, v, stride ); |
| DEBUG(("newinputs & VERT_CLIP\n")); |
| return; |
| } /* else { */ |
| /* GLuint ind = 0; */ |
| |
| if (newinputs & VERT_RGBA) { |
| DEBUG(("newinputs & VERT_RGBA\n")); |
| ind |= S3V_RGBA_BIT; |
| } |
| |
| if (newinputs & VERT_TEX0) { |
| DEBUG(("newinputs & VERT_TEX0\n")); |
| ind |= S3V_TEX0_BIT; |
| } |
| |
| if (newinputs & VERT_FOG_COORD) |
| ind |= S3V_FOG_BIT; |
| |
| if (vmesa->SetupIndex & S3V_PTEX_BIT) |
| ind = ~0; |
| |
| ind &= vmesa->SetupIndex; |
| |
| DEBUG(("vmesa->SetupIndex = 0x%x\n", vmesa->SetupIndex)); |
| DEBUG(("ind = 0x%x\n", ind)); |
| DEBUG(("ind & vmesa->SetupIndex = 0x%x\n", (ind & vmesa->SetupIndex))); |
| |
| if (ind) { |
| setup_tab[ind].emit( ctx, start, count, v, stride ); |
| } |
| #endif |
| } |
| |
| void s3vChooseVertexState( GLcontext *ctx ) |
| { |
| s3vContextPtr vmesa = S3V_CONTEXT( ctx ); |
| TNLcontext *tnl = TNL_CONTEXT(ctx); |
| |
| GLuint ind = S3V_XYZW_BIT | S3V_RGBA_BIT; |
| |
| /* FIXME: will segv in tnl_dd/t_dd_vbtmp.h (line 196) on some demos */ |
| /* |
| if (ctx->Fog.Enabled) |
| ind |= S3V_FOG_BIT; |
| */ |
| |
| |
| if (ctx->Texture.Unit[0]._ReallyEnabled) { |
| _tnl_need_projected_coords( ctx, GL_FALSE ); |
| ind |= S3V_TEX0_BIT; |
| } else { |
| _tnl_need_projected_coords( ctx, GL_TRUE ); |
| } |
| |
| vmesa->SetupIndex = ind; |
| |
| if (ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED)) { |
| tnl->Driver.Render.Interp = s3v_interp_extras; |
| tnl->Driver.Render.CopyPV = s3v_copy_pv_extras; |
| } else { |
| tnl->Driver.Render.Interp = setup_tab[ind].interp; |
| tnl->Driver.Render.CopyPV = setup_tab[ind].copy_pv; |
| } |
| } |
| |
| |
| void s3vInitVB( GLcontext *ctx ) |
| { |
| s3vContextPtr vmesa = S3V_CONTEXT(ctx); |
| GLuint size = TNL_CONTEXT(ctx)->vb.Size; |
| |
| vmesa->verts = (char *)ALIGN_MALLOC(size * 4 * 16, 32); |
| |
| { |
| static int firsttime = 1; |
| if (firsttime) { |
| init_setup_tab(); |
| firsttime = 0; |
| vmesa->vertex_stride_shift = 6 /* 4 */; /* FIXME - only one vertex setup */ |
| } |
| } |
| } |
| |
| |
| void s3vFreeVB( GLcontext *ctx ) |
| { |
| s3vContextPtr vmesa = S3V_CONTEXT(ctx); |
| if (vmesa->verts) { |
| ALIGN_FREE(vmesa->verts); |
| vmesa->verts = 0; |
| } |
| |
| if (vmesa->UbyteSecondaryColor.Ptr) { |
| ALIGN_FREE((void *)vmesa->UbyteSecondaryColor.Ptr); |
| vmesa->UbyteSecondaryColor.Ptr = 0; |
| } |
| |
| if (vmesa->UbyteColor.Ptr) { |
| ALIGN_FREE((void *)vmesa->UbyteColor.Ptr); |
| vmesa->UbyteColor.Ptr = 0; |
| } |
| } |
