diff options
Diffstat (limited to 'src/mesa/drivers/dri/s3v/s3v_vb.c')
| -rw-r--r-- | src/mesa/drivers/dri/s3v/s3v_vb.c | 341 |
1 files changed, 341 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/s3v/s3v_vb.c b/src/mesa/drivers/dri/s3v/s3v_vb.c new file mode 100644 index 00000000000..f8ca6d15ee3 --- /dev/null +++ b/src/mesa/drivers/dri/s3v/s3v_vb.c @@ -0,0 +1,341 @@ +/* + * Author: Max Lingua <[email protected]> + */ + +#include "glheader.h" +#include "mtypes.h" +#include "mem.h" +#include "macros.h" +#include "colormac.h" +#include "mmath.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 ); + interp_func interp; + 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_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 1 +#define HAVE_TEX0_VERTICES 1 +#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; + GLuint ind = 0; + + 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._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(vmesa->UbyteSecondaryColor.Ptr); + vmesa->UbyteSecondaryColor.Ptr = 0; + } + + if (vmesa->UbyteColor.Ptr) { + ALIGN_FREE(vmesa->UbyteColor.Ptr); + vmesa->UbyteColor.Ptr = 0; + } +} |