X-Git-Url: https://de.git.xonotic.org/?a=blobdiff_plain;f=gl_backend.c;h=0c7c31507d74c4e7ccd6209957375cd879f4365e;hb=90fa50f4e170192cce8b5b3321fbf7c4d9be7a41;hp=1dff96e7d9ec73b58b9a2725ceca490e3ac5dad1;hpb=933a1996b1c2661e86bf76936c8cda4f38281726;p=xonotic%2Fdarkplaces.git diff --git a/gl_backend.c b/gl_backend.c index 1dff96e7..0c7c3150 100644 --- a/gl_backend.c +++ b/gl_backend.c @@ -70,8 +70,6 @@ void GL_PrintError(int errornumber, char *filename, int linenumber) float r_mesh_farclip; -int polyindexarray[768]; - static float viewdist; // sign bits (true if negative) for vpn[] entries, so quick integer compares can be used instead of float compares static int vpnbit0, vpnbit1, vpnbit2; @@ -293,8 +291,6 @@ static void gl_backend_newmap(void) void gl_backend_init(void) { - int i; - Cvar_RegisterVariable(&r_render); Cvar_RegisterVariable(&gl_dither); Cvar_RegisterVariable(&gl_lockarrays); @@ -308,12 +304,6 @@ void gl_backend_init(void) Cvar_RegisterVariable(&gl_mesh_drawmode); R_RegisterModule("GL_Backend", gl_backend_start, gl_backend_shutdown, gl_backend_newmap); gl_backend_bufferchanges(true); - for (i = 0;i < 256;i++) - { - polyindexarray[i*3+0] = 0; - polyindexarray[i*3+1] = i + 1; - polyindexarray[i*3+2] = i + 2; - } } int arraylocked = false; @@ -1000,219 +990,6 @@ void R_Mesh_AddTransparent(void) currenttransvertex = 0; } -void R_Mesh_Draw(const rmeshinfo_t *m) -{ - // these are static because gcc runs out of virtual registers otherwise - static int i, j, overbright, *index; - static float *in, scaler; - static float cr, cg, cb, ca; - static buf_mesh_t *mesh; - static buf_vertex_t *vert; - static buf_fcolor_t *fcolor; - static buf_texcoord_t *texcoord[MAX_TEXTUREUNITS]; - - if (!backendactive) - Sys_Error("R_Mesh_Draw: called when backend is not active\n"); - - if (m->index == NULL - || !m->numtriangles - || m->vertex == NULL - || !m->numverts) - Host_Error("R_Mesh_Draw: no triangles or verts\n"); - - // ignore meaningless alpha meshs - if (!m->depthwrite && m->blendfunc1 == GL_SRC_ALPHA && (m->blendfunc2 == GL_ONE || m->blendfunc2 == GL_ONE_MINUS_SRC_ALPHA)) - { - if (m->color) - { - for (i = 0, in = m->color + 3;i < m->numverts;i++, (int)in += m->colorstep) - if (*in >= 0.01f) - break; - if (i == m->numverts) - return; - } - else if (m->ca < 0.01f) - return; - } - - if (!backendactive) - Sys_Error("R_Mesh_Draw: called when backend is not active\n"); - -#ifdef DEBUGGL - for (i = 0;i < m->numtriangles * 3;i++) - if ((unsigned int) m->index[i] >= (unsigned int) m->numverts) - Host_Error("R_Mesh_Draw: invalid index (%i of %i verts)\n", m->index, m->numverts); -#endif - - // LordHavoc: removed this error condition because with floatcolors 0, - // the 3DFX driver works with very large meshs - // FIXME: we can work around this by falling back on non-array renderer if buffers are too big - //if (m->numtriangles > 1024 || m->numverts > 3072) - //{ - // Con_Printf("R_Mesh_Draw: mesh too big for 3DFX drivers, rejected\n"); - // return; - //} - - i = max(m->numtriangles * 3, m->numverts); - if (overflowedverts < i) - overflowedverts = i; - - if (m->numtriangles > max_meshs || m->numverts > max_verts) - { - Con_Printf("R_Mesh_Draw: mesh too big for current gl_mesh_maxtriangles setting, increasing limits\n"); - return; - } - - if (m->transparent) - { - overflowedtransverts += max(m->numtriangles * 3, m->numverts); - if (currenttransmesh >= max_transmeshs || (currenttranstriangle + m->numtriangles) > max_transmeshs || (currenttransvertex + m->numverts) > max_transverts) - { - if (!transranout) - { - Con_Printf("R_Mesh_Draw: ran out of room for transparent meshs\n"); - transranout = true; - } - return; - } - - c_transmeshs++; - c_transtris += m->numtriangles; - vert = &buf_transvertex[currenttransvertex]; - fcolor = &buf_transfcolor[currenttransvertex]; - for (i = 0;i < backendunits;i++) - texcoord[i] = &buf_transtexcoord[i][currenttransvertex]; - - // transmesh is only for storage of transparent meshs until they - // are inserted into the main mesh array - mesh = &buf_transmesh[currenttransmesh++]; - mesh->firsttriangle = currenttranstriangle; - mesh->firstvert = currenttransvertex; - index = &buf_transtri[currenttranstriangle].index[0]; - - currenttranstriangle += m->numtriangles; - currenttransvertex += m->numverts; - } - else - { - if (currentmesh) - { - R_Mesh_Render(); - Con_Printf("mesh queue not empty, flushing.\n"); - } - - c_meshs++; - c_meshtris += m->numtriangles; - vert = &buf_vertex[currentvertex]; - fcolor = &buf_fcolor[currentvertex]; - for (i = 0;i < backendunits;i++) - texcoord[i] = &buf_texcoord[i][currentvertex]; - - // opaque meshs are rendered directly - mesh = &buf_mesh[currentmesh++]; - mesh->firsttriangle = currenttriangle; - mesh->firstvert = currentvertex; - index = &buf_tri[currenttriangle].index[0]; - - currenttriangle += m->numtriangles; - currentvertex += m->numverts; - } - - // code shared for transparent and opaque meshs - memcpy(index, m->index, sizeof(int[3]) * m->numtriangles); - mesh->blendfunc1 = m->blendfunc1; - mesh->blendfunc2 = m->blendfunc2; - mesh->depthmask = (m->blendfunc2 == GL_ZERO || m->depthwrite); - mesh->depthtest = !m->depthdisable; - mesh->triangles = m->numtriangles; - mesh->verts = m->numverts; - - overbright = false; - scaler = 1; - if (m->blendfunc1 == GL_DST_COLOR) - { - // check if it is a 2x modulate with framebuffer - if (m->blendfunc2 == GL_SRC_COLOR) - scaler *= 0.5f; - } - else if (m->blendfunc2 != GL_SRC_COLOR) - { - if (m->tex[0]) - { - overbright = gl_combine.integer; - if (overbright) - scaler *= 0.25f; - } - scaler *= overbrightscale; - } - - - j = -1; - for (i = 0;i < backendunits;i++) - { - if ((mesh->textures[i] = m->tex[i])) - j = i; - mesh->texturergbscale[i] = m->texrgbscale[i]; - if (mesh->texturergbscale[i] != 1 && mesh->texturergbscale[i] != 2 && mesh->texturergbscale[i] != 4) - mesh->texturergbscale[i] = 1; - } - if (overbright && j >= 0) - mesh->texturergbscale[j] = 4; - - if (m->vertexstep != sizeof(buf_vertex_t)) - { - for (i = 0, in = m->vertex;i < m->numverts;i++, (int)in += m->vertexstep) - { - vert[i].v[0] = in[0]; - vert[i].v[1] = in[1]; - vert[i].v[2] = in[2]; - } - } - else - memcpy(vert, m->vertex, m->numverts * sizeof(buf_vertex_t)); - - if (m->color) - { - for (i = 0, in = m->color;i < m->numverts;i++, (int)in += m->colorstep) - { - fcolor[i].c[0] = in[0] * scaler; - fcolor[i].c[1] = in[1] * scaler; - fcolor[i].c[2] = in[2] * scaler; - fcolor[i].c[3] = in[3]; - } - } - else - { - cr = m->cr * scaler; - cg = m->cg * scaler; - cb = m->cb * scaler; - ca = m->ca; - for (i = 0;i < m->numverts;i++) - { - fcolor[i].c[0] = cr; - fcolor[i].c[1] = cg; - fcolor[i].c[2] = cb; - fcolor[i].c[3] = ca; - } - } - - for (j = 0;j < MAX_TEXTUREUNITS && m->tex[j];j++) - { - if (j >= backendunits) - Sys_Error("R_Mesh_Draw: texture %i supplied when there are only %i texture units\n", j + 1, backendunits); - if (m->texcoordstep[j] != sizeof(buf_texcoord_t)) - { - for (i = 0, in = m->texcoords[j];i < m->numverts;i++, (int)in += m->texcoordstep[j]) - { - texcoord[j][i].t[0] = in[0]; - texcoord[j][i].t[1] = in[1]; - } - } - else - memcpy(&texcoord[j][0].t[0], m->texcoords[j], m->numverts * sizeof(buf_texcoord_t)); - } -} - // allocates space in geometry buffers, and fills in pointers to the buffers in passsed struct // (this is used for very high speed rendering, no copying) int R_Mesh_Draw_GetBuffer(rmeshbufferinfo_t *m, int wantoverbright) @@ -1223,11 +1000,11 @@ int R_Mesh_Draw_GetBuffer(rmeshbufferinfo_t *m, int wantoverbright) buf_mesh_t *mesh; if (!backendactive) - Sys_Error("R_Mesh_Draw: called when backend is not active\n"); + Sys_Error("R_Mesh_Draw_GetBuffer: called when backend is not active\n"); if (!m->numtriangles || !m->numverts) - Host_Error("R_Mesh_Draw: no triangles or verts\n"); + Host_Error("R_Mesh_Draw_GetBuffer: no triangles or verts\n"); // LordHavoc: removed this error condition because with floatcolors 0, // the 3DFX driver works with very large meshs @@ -1255,7 +1032,7 @@ int R_Mesh_Draw_GetBuffer(rmeshbufferinfo_t *m, int wantoverbright) { if (!transranout) { - Con_Printf("R_Mesh_Draw: ran out of room for transparent meshs\n"); + Con_Printf("R_Mesh_Draw_GetBuffer: ran out of room for transparent meshs\n"); transranout = true; } return false; @@ -1348,24 +1125,6 @@ int R_Mesh_Draw_GetBuffer(rmeshbufferinfo_t *m, int wantoverbright) return true; } -void R_Mesh_DrawPolygon(rmeshinfo_t *m, int numverts) -{ - m->index = polyindexarray; - m->numverts = numverts; - m->numtriangles = numverts - 2; - if (m->numtriangles < 1) - { - Con_Printf("R_Mesh_DrawPolygon: invalid vertex count\n"); - return; - } - if (m->numtriangles >= 256) - { - Con_Printf("R_Mesh_DrawPolygon: only up to 256 triangles (258 verts) supported\n"); - return; - } - R_Mesh_Draw(m); -} - /* ==============================================================================