/* * GLX Hardware Device Driver for Intel i810 * Copyright (C) 1999 Keith Whitwell * * 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 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 * KEITH WHITWELL, OR ANY OTHER CONTRIBUTORS 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. * * Adapted for use on the I830M: * Jeff Hartmann */ /* $XFree86: xc/lib/GL/mesa/src/drv/i830/i830_vb.c,v 1.5 2002/12/10 01:26:54 dawes Exp $ */ #include "glheader.h" #include "mtypes.h" #include "imports.h" #include "macros.h" #include "colormac.h" #include "swrast_setup/swrast_setup.h" #include "tnl/t_context.h" #include "i830_screen.h" #include "i830_dri.h" #include "i830_context.h" #include "i830_vb.h" #include "i830_ioctl.h" #include "i830_tris.h" #include "i830_state.h" #define I830_TEX1_BIT 0x1 #define I830_TEX0_BIT 0x2 #define I830_RGBA_BIT 0x4 #define I830_SPEC_BIT 0x8 #define I830_FOG_BIT 0x10 #define I830_XYZW_BIT 0x20 #define I830_PTEX_BIT 0x40 #define I830_MAX_SETUP 0x80 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[I830_MAX_SETUP]; #define TINY_VERTEX_FORMAT (STATE3D_VERTEX_FORMAT_CMD | \ VRTX_TEX_COORD_COUNT(0) | \ VRTX_HAS_DIFFUSE | \ VRTX_HAS_XYZ) #define NOTEX_VERTEX_FORMAT (STATE3D_VERTEX_FORMAT_CMD | \ VRTX_TEX_COORD_COUNT(0) | \ VRTX_HAS_DIFFUSE | \ VRTX_HAS_SPEC | \ VRTX_HAS_XYZW) #define TEX0_VERTEX_FORMAT (STATE3D_VERTEX_FORMAT_CMD | \ VRTX_TEX_COORD_COUNT(1) | \ VRTX_HAS_DIFFUSE | \ VRTX_HAS_SPEC | \ VRTX_HAS_XYZW) #define TEX1_VERTEX_FORMAT (STATE3D_VERTEX_FORMAT_CMD | \ VRTX_TEX_COORD_COUNT(2) | \ VRTX_HAS_DIFFUSE | \ VRTX_HAS_SPEC | \ VRTX_HAS_XYZW) /* I'm cheating here hardcore : if bit 31 is set I know to emit * a vf2 state == TEXCOORDFMT_3D. We never mix 2d/3d texcoords, * so this solution works for now. */ #define PROJ_TEX1_VERTEX_FORMAT ((1<<31) | \ STATE3D_VERTEX_FORMAT_CMD | \ VRTX_TEX_COORD_COUNT(2) | \ VRTX_HAS_DIFFUSE | \ VRTX_HAS_SPEC | \ VRTX_HAS_XYZW) /* Might want to do these later */ #define TEX2_VERTEX_FORMAT 0 #define TEX3_VERTEX_FORMAT 0 #define PROJ_TEX3_VERTEX_FORMAT 0 #define DO_XYZW (IND & I830_XYZW_BIT) #define DO_RGBA (IND & I830_RGBA_BIT) #define DO_SPEC (IND & I830_SPEC_BIT) #define DO_FOG (IND & I830_FOG_BIT) #define DO_TEX0 (IND & I830_TEX0_BIT) #define DO_TEX1 (IND & I830_TEX1_BIT) #define DO_TEX2 0 #define DO_TEX3 0 #define DO_PTEX (IND & I830_PTEX_BIT) #define VERTEX i830Vertex #define VERTEX_COLOR i830_color_t #define GET_VIEWPORT_MAT() I830_CONTEXT(ctx)->ViewportMatrix.m #define GET_TEXSOURCE(n) n #define GET_VERTEX_FORMAT() I830_CONTEXT(ctx)->vertex_format #define GET_VERTEX_STORE() ((GLubyte *)I830_CONTEXT(ctx)->verts) #define GET_VERTEX_STRIDE_SHIFT() I830_CONTEXT(ctx)->vertex_stride_shift #define GET_UBYTE_COLOR_STORE() &I830_CONTEXT(ctx)->UbyteColor #define GET_UBYTE_SPEC_COLOR_STORE() &I830_CONTEXT(ctx)->UbyteSecondaryColor #define INVALIDATE_STORED_VERTICES() #define HAVE_HW_VIEWPORT 0 #define HAVE_HW_DIVIDE 0 #define HAVE_RGBA_COLOR 0 #define HAVE_TINY_VERTICES 1 #define HAVE_NOTEX_VERTICES 1 #define HAVE_TEX0_VERTICES 1 #define HAVE_TEX1_VERTICES 1 #define HAVE_TEX2_VERTICES 0 #define HAVE_TEX3_VERTICES 0 #define HAVE_PTEX_VERTICES 1 #define UNVIEWPORT_VARS GLfloat h = I830_CONTEXT(ctx)->driDrawable->h #define UNVIEWPORT_X(x) x - SUBPIXEL_X #define UNVIEWPORT_Y(y) - y + h + SUBPIXEL_Y #define UNVIEWPORT_Z(z) z * (float)I830_CONTEXT(ctx)->ClearDepth #define PTEX_FALLBACK() FALLBACK(I830_CONTEXT(ctx), I830_FALLBACK_TEXTURE, 1) #define IMPORT_FLOAT_COLORS i830_import_float_colors #define IMPORT_FLOAT_SPEC_COLORS i830_import_float_spec_colors #define INTERP_VERTEX setup_tab[I830_CONTEXT(ctx)->SetupIndex].interp #define COPY_PV_VERTEX setup_tab[I830_CONTEXT(ctx)->SetupIndex].copy_pv /*********************************************************************** * Generate pv-copying and translation functions * ***********************************************************************/ #define TAG(x) i830_##x #include "tnl_dd/t_dd_vb.c" /*********************************************************************** * Generate vertex emit and interp functions * ***********************************************************************/ #define IND (I830_XYZW_BIT|I830_RGBA_BIT) #define TAG(x) x##_wg #include "tnl_dd/t_dd_vbtmp.h" #define IND (I830_XYZW_BIT|I830_RGBA_BIT|I830_SPEC_BIT) #define TAG(x) x##_wgs #include "tnl_dd/t_dd_vbtmp.h" #define IND (I830_XYZW_BIT|I830_RGBA_BIT|I830_TEX0_BIT) #define TAG(x) x##_wgt0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (I830_XYZW_BIT|I830_RGBA_BIT|I830_TEX0_BIT|I830_TEX1_BIT) #define TAG(x) x##_wgt0t1 #include "tnl_dd/t_dd_vbtmp.h" #define IND (I830_XYZW_BIT|I830_RGBA_BIT|I830_TEX0_BIT|I830_PTEX_BIT) #define TAG(x) x##_wgpt0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (I830_XYZW_BIT|I830_RGBA_BIT|I830_SPEC_BIT|I830_TEX0_BIT) #define TAG(x) x##_wgst0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (I830_XYZW_BIT|I830_RGBA_BIT|I830_SPEC_BIT|I830_TEX0_BIT|\ I830_TEX1_BIT) #define TAG(x) x##_wgst0t1 #include "tnl_dd/t_dd_vbtmp.h" #define IND (I830_XYZW_BIT|I830_RGBA_BIT|I830_SPEC_BIT|I830_TEX0_BIT|\ I830_PTEX_BIT) #define TAG(x) x##_wgspt0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (I830_XYZW_BIT|I830_RGBA_BIT|I830_FOG_BIT) #define TAG(x) x##_wgf #include "tnl_dd/t_dd_vbtmp.h" #define IND (I830_XYZW_BIT|I830_RGBA_BIT|I830_FOG_BIT|I830_SPEC_BIT) #define TAG(x) x##_wgfs #include "tnl_dd/t_dd_vbtmp.h" #define IND (I830_XYZW_BIT|I830_RGBA_BIT|I830_FOG_BIT|I830_TEX0_BIT) #define TAG(x) x##_wgft0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (I830_XYZW_BIT|I830_RGBA_BIT|I830_FOG_BIT|I830_TEX0_BIT|\ I830_TEX1_BIT) #define TAG(x) x##_wgft0t1 #include "tnl_dd/t_dd_vbtmp.h" #define IND (I830_XYZW_BIT|I830_RGBA_BIT|I830_FOG_BIT|I830_TEX0_BIT|\ I830_PTEX_BIT) #define TAG(x) x##_wgfpt0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (I830_XYZW_BIT|I830_RGBA_BIT|I830_FOG_BIT|I830_SPEC_BIT|\ I830_TEX0_BIT) #define TAG(x) x##_wgfst0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (I830_XYZW_BIT|I830_RGBA_BIT|I830_FOG_BIT|I830_SPEC_BIT|\ I830_TEX0_BIT|I830_TEX1_BIT) #define TAG(x) x##_wgfst0t1 #include "tnl_dd/t_dd_vbtmp.h" #define IND (I830_XYZW_BIT|I830_RGBA_BIT|I830_FOG_BIT|I830_SPEC_BIT|\ I830_TEX0_BIT|I830_PTEX_BIT) #define TAG(x) x##_wgfspt0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (I830_TEX0_BIT) #define TAG(x) x##_t0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (I830_TEX0_BIT|I830_TEX1_BIT) #define TAG(x) x##_t0t1 #include "tnl_dd/t_dd_vbtmp.h" #define IND (I830_FOG_BIT) #define TAG(x) x##_f #include "tnl_dd/t_dd_vbtmp.h" #define IND (I830_FOG_BIT|I830_TEX0_BIT) #define TAG(x) x##_ft0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (I830_FOG_BIT|I830_TEX0_BIT|I830_TEX1_BIT) #define TAG(x) x##_ft0t1 #include "tnl_dd/t_dd_vbtmp.h" #define IND (I830_RGBA_BIT) #define TAG(x) x##_g #include "tnl_dd/t_dd_vbtmp.h" #define IND (I830_RGBA_BIT|I830_SPEC_BIT) #define TAG(x) x##_gs #include "tnl_dd/t_dd_vbtmp.h" #define IND (I830_RGBA_BIT|I830_TEX0_BIT) #define TAG(x) x##_gt0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (I830_RGBA_BIT|I830_TEX0_BIT|I830_TEX1_BIT) #define TAG(x) x##_gt0t1 #include "tnl_dd/t_dd_vbtmp.h" #define IND (I830_RGBA_BIT|I830_SPEC_BIT|I830_TEX0_BIT) #define TAG(x) x##_gst0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (I830_RGBA_BIT|I830_SPEC_BIT|I830_TEX0_BIT|I830_TEX1_BIT) #define TAG(x) x##_gst0t1 #include "tnl_dd/t_dd_vbtmp.h" #define IND (I830_RGBA_BIT|I830_FOG_BIT) #define TAG(x) x##_gf #include "tnl_dd/t_dd_vbtmp.h" #define IND (I830_RGBA_BIT|I830_FOG_BIT|I830_SPEC_BIT) #define TAG(x) x##_gfs #include "tnl_dd/t_dd_vbtmp.h" #define IND (I830_RGBA_BIT|I830_FOG_BIT|I830_TEX0_BIT) #define TAG(x) x##_gft0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (I830_RGBA_BIT|I830_FOG_BIT|I830_TEX0_BIT|I830_TEX1_BIT) #define TAG(x) x##_gft0t1 #include "tnl_dd/t_dd_vbtmp.h" #define IND (I830_RGBA_BIT|I830_FOG_BIT|I830_SPEC_BIT|I830_TEX0_BIT) #define TAG(x) x##_gfst0 #include "tnl_dd/t_dd_vbtmp.h" #define IND (I830_RGBA_BIT|I830_FOG_BIT|I830_SPEC_BIT|I830_TEX0_BIT|\ I830_TEX1_BIT) #define TAG(x) x##_gfst0t1 #include "tnl_dd/t_dd_vbtmp.h" /* Add functions for proj texturing for t0 and t1 */ #define IND (I830_XYZW_BIT|I830_RGBA_BIT|I830_TEX0_BIT|I830_TEX1_BIT|\ I830_PTEX_BIT) #define TAG(x) x##_wgpt0t1 #include "tnl_dd/t_dd_vbtmp.h" #define IND (I830_XYZW_BIT|I830_RGBA_BIT|I830_SPEC_BIT|I830_TEX0_BIT|\ I830_TEX1_BIT|I830_PTEX_BIT) #define TAG(x) x##_wgspt0t1 #include "tnl_dd/t_dd_vbtmp.h" #define IND (I830_XYZW_BIT|I830_RGBA_BIT|I830_FOG_BIT|I830_TEX0_BIT|\ I830_TEX1_BIT|I830_PTEX_BIT) #define TAG(x) x##_wgfpt0t1 #include "tnl_dd/t_dd_vbtmp.h" #define IND (I830_XYZW_BIT|I830_RGBA_BIT|I830_FOG_BIT|I830_SPEC_BIT|\ I830_TEX1_BIT|I830_TEX0_BIT|I830_PTEX_BIT) #define TAG(x) x##_wgfspt0t1 #include "tnl_dd/t_dd_vbtmp.h" static void init_setup_tab( void ) { init_wg(); init_wgs(); init_wgt0(); init_wgt0t1(); init_wgpt0(); init_wgst0(); init_wgst0t1(); init_wgspt0(); init_wgf(); init_wgfs(); init_wgft0(); init_wgft0t1(); init_wgfpt0(); init_wgfst0(); init_wgfst0t1(); init_wgfspt0(); init_t0(); init_t0t1(); init_f(); init_ft0(); init_ft0t1(); init_g(); init_gs(); init_gt0(); init_gt0t1(); init_gst0(); init_gst0t1(); init_gf(); init_gfs(); init_gft0(); init_gft0t1(); init_gfst0(); init_gfst0t1(); /* Add proj texturing on t1 */ init_wgpt0t1(); init_wgspt0t1(); init_wgfpt0t1(); init_wgfspt0t1(); } void i830PrintSetupFlags(char *msg, GLuint flags ) { fprintf(stderr, "%s(%x): %s%s%s%s%s%s%s\n", msg, (int)flags, (flags & I830_XYZW_BIT) ? " xyzw," : "", (flags & I830_RGBA_BIT) ? " rgba," : "", (flags & I830_SPEC_BIT) ? " spec," : "", (flags & I830_FOG_BIT) ? " fog," : "", (flags & I830_TEX0_BIT) ? " tex-0," : "", (flags & I830_TEX1_BIT) ? " tex-1," : "", (flags & I830_PTEX_BIT) ? " ptex," : ""); } void i830CheckTexSizes( GLcontext *ctx ) { TNLcontext *tnl = TNL_CONTEXT(ctx); i830ContextPtr imesa = I830_CONTEXT( ctx ); if (!setup_tab[imesa->SetupIndex].check_tex_sizes(ctx)) { int ind = imesa->SetupIndex |= I830_PTEX_BIT; if(setup_tab[ind].vertex_format != imesa->vertex_format) { int vfmt = setup_tab[ind].vertex_format; I830_STATECHANGE(imesa, I830_UPLOAD_CTX); imesa->Setup[I830_CTXREG_VF] = ~(1<<31) & vfmt; if (vfmt & (1<<31)) { /* Proj texturing */ imesa->Setup[I830_CTXREG_VF2] = (STATE3D_VERTEX_FORMAT_2_CMD | VRTX_TEX_SET_0_FMT(TEXCOORDFMT_3D) | VRTX_TEX_SET_1_FMT(TEXCOORDFMT_3D) | VRTX_TEX_SET_2_FMT(TEXCOORDFMT_3D) | VRTX_TEX_SET_3_FMT(TEXCOORDFMT_3D)); i830UpdateTexUnitProj( ctx, 0, GL_TRUE ); i830UpdateTexUnitProj( ctx, 1, GL_TRUE ); } else { /* Normal texturing */ imesa->Setup[I830_CTXREG_VF2] = (STATE3D_VERTEX_FORMAT_2_CMD | VRTX_TEX_SET_0_FMT(TEXCOORDFMT_2D) | VRTX_TEX_SET_1_FMT(TEXCOORDFMT_2D) | VRTX_TEX_SET_2_FMT(TEXCOORDFMT_2D) | VRTX_TEX_SET_3_FMT(TEXCOORDFMT_2D)); i830UpdateTexUnitProj( ctx, 0, GL_FALSE ); i830UpdateTexUnitProj( ctx, 1, GL_FALSE ); } imesa->vertex_format = vfmt; imesa->vertex_size = setup_tab[ind].vertex_size; imesa->vertex_stride_shift = setup_tab[ind].vertex_stride_shift; } if (!imesa->Fallback && !(ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED))) { tnl->Driver.Render.Interp = setup_tab[imesa->SetupIndex].interp; tnl->Driver.Render.CopyPV = setup_tab[imesa->SetupIndex].copy_pv; } } } void i830BuildVertices( GLcontext *ctx, GLuint start, GLuint count, GLuint newinputs ) { i830ContextPtr imesa = I830_CONTEXT( ctx ); GLubyte *v = ((GLubyte *) imesa->verts + (start<vertex_stride_shift)); GLuint stride = 1<vertex_stride_shift; if (0) fprintf(stderr, "%s\n", __FUNCTION__); newinputs |= imesa->SetupNewInputs; imesa->SetupNewInputs = 0; if (!newinputs) return; if (newinputs & VERT_BIT_CLIP) { setup_tab[imesa->SetupIndex].emit( ctx, start, count, v, stride ); } else { GLuint ind = 0; if (newinputs & VERT_BIT_COLOR0) ind |= I830_RGBA_BIT; if (newinputs & VERT_BIT_COLOR1) ind |= I830_SPEC_BIT; if (newinputs & VERT_BIT_TEX0) ind |= I830_TEX0_BIT; if (newinputs & VERT_BIT_TEX1) ind |= I830_TEX1_BIT; if (newinputs & VERT_BIT_FOG) ind |= I830_FOG_BIT; #if 0 if (imesa->SetupIndex & I830_PTEX_BIT) ind = ~0; #endif ind &= imesa->SetupIndex; if (ind) { setup_tab[ind].emit( ctx, start, count, v, stride ); } } } void i830ChooseVertexState( GLcontext *ctx ) { TNLcontext *tnl = TNL_CONTEXT(ctx); i830ContextPtr imesa = I830_CONTEXT( ctx ); GLuint ind = I830_XYZW_BIT|I830_RGBA_BIT; if (ctx->_TriangleCaps & DD_SEPARATE_SPECULAR) ind |= I830_SPEC_BIT; if (ctx->Fog.Enabled) ind |= I830_FOG_BIT; if (ctx->Texture._EnabledUnits & 0x2) /* unit 1 enabled */ ind |= I830_TEX1_BIT|I830_TEX0_BIT; else if (ctx->Texture._EnabledUnits & 0x1) /* unit 0 enabled */ ind |= I830_TEX0_BIT; imesa->SetupIndex = ind; if (I830_DEBUG & (DEBUG_VERTS|DEBUG_STATE)) i830PrintSetupFlags( __FUNCTION__, ind ); if (ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED)) { tnl->Driver.Render.Interp = i830_interp_extras; tnl->Driver.Render.CopyPV = i830_copy_pv_extras; } else { tnl->Driver.Render.Interp = setup_tab[ind].interp; tnl->Driver.Render.CopyPV = setup_tab[ind].copy_pv; } if (setup_tab[ind].vertex_format != imesa->vertex_format) { int vfmt = setup_tab[ind].vertex_format; I830_STATECHANGE(imesa, I830_UPLOAD_CTX); imesa->Setup[I830_CTXREG_VF] = ~(1<<31) & vfmt; if (vfmt & (1<<31)) { /* Proj texturing */ imesa->Setup[I830_CTXREG_VF2] = (STATE3D_VERTEX_FORMAT_2_CMD | VRTX_TEX_SET_0_FMT(TEXCOORDFMT_3D) | VRTX_TEX_SET_1_FMT(TEXCOORDFMT_3D) | VRTX_TEX_SET_2_FMT(TEXCOORDFMT_3D) | VRTX_TEX_SET_3_FMT(TEXCOORDFMT_3D)); i830UpdateTexUnitProj( ctx, 0, GL_TRUE ); i830UpdateTexUnitProj( ctx, 1, GL_TRUE ); } else { /* Normal texturing */ imesa->Setup[I830_CTXREG_VF2] = (STATE3D_VERTEX_FORMAT_2_CMD | VRTX_TEX_SET_0_FMT(TEXCOORDFMT_2D) | VRTX_TEX_SET_1_FMT(TEXCOORDFMT_2D) | VRTX_TEX_SET_2_FMT(TEXCOORDFMT_2D) | VRTX_TEX_SET_3_FMT(TEXCOORDFMT_2D)); i830UpdateTexUnitProj( ctx, 0, GL_FALSE ); i830UpdateTexUnitProj( ctx, 1, GL_FALSE ); } imesa->vertex_format = vfmt; imesa->vertex_size = setup_tab[ind].vertex_size; imesa->vertex_stride_shift = setup_tab[ind].vertex_stride_shift; } } void i830_emit_contiguous_verts( GLcontext *ctx, GLuint start, GLuint count ) { i830ContextPtr imesa = I830_CONTEXT(ctx); GLuint vertex_size = imesa->vertex_size * 4; GLuint *dest = i830AllocDmaLow( imesa, (count-start) * vertex_size); setup_tab[imesa->SetupIndex].emit( ctx, start, count, dest, vertex_size ); } void i830InitVB( GLcontext *ctx ) { i830ContextPtr imesa = I830_CONTEXT(ctx); GLuint size = TNL_CONTEXT(ctx)->vb.Size; imesa->verts = (char *)ALIGN_MALLOC(size * 4 * 16, 32); { static int firsttime = 1; if (firsttime) { init_setup_tab(); firsttime = 0; } } } void i830FreeVB( GLcontext *ctx ) { i830ContextPtr imesa = I830_CONTEXT(ctx); if (imesa->verts) { ALIGN_FREE(imesa->verts); imesa->verts = 0; } if (imesa->UbyteSecondaryColor.Ptr) { ALIGN_FREE(imesa->UbyteSecondaryColor.Ptr); imesa->UbyteSecondaryColor.Ptr = 0; } if (imesa->UbyteColor.Ptr) { ALIGN_FREE(imesa->UbyteColor.Ptr); imesa->UbyteColor.Ptr = 0; } }