diff options
| -rw-r--r-- | lib/wx/c_src/egl_impl.cpp | 135 |
1 files changed, 75 insertions, 60 deletions
diff --git a/lib/wx/c_src/egl_impl.cpp b/lib/wx/c_src/egl_impl.cpp index 1379f07523..a55a145934 100644 --- a/lib/wx/c_src/egl_impl.cpp +++ b/lib/wx/c_src/egl_impl.cpp @@ -1,7 +1,7 @@ /* * %CopyrightBegin% * - * Copyright Ericsson AB 2011. All Rights Reserved. + * Copyright Ericsson AB 2011-2013. All Rights Reserved. * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in @@ -169,33 +169,34 @@ void gl_error() { * ******************************************************************************/ static GLUtesselator* tess; -static GLdouble* tess_coords; -static GLdouble* tess_alloc_vertex; -static int* tess_vertices; -void CALLBACK -egl_ogla_vertex(GLdouble* coords) -{ - /* fprintf(stderr, "%d\r\n", (int) (coords - tess_coords) / 3); */ +typedef struct { + GLdouble * tess_coords; + int alloc_n; + int alloc_max; - *tess_vertices++ = (int) (coords - tess_coords) / 3; -} + int * tess_index_list; + int index_n; + int index_max; -void CALLBACK -egl_ogla_edge_flag(GLboolean flag) -{ -} + int error; +} egl_tess_data; + +#define NEED_MORE_ALLOC 1 +#define NEED_MORE_INDEX 2 + +static egl_tess_data egl_tess; void CALLBACK -egl_ogla_error(GLenum errorCode) +egl_ogla_vertex(GLdouble* coords) { - const GLubyte *err; - err = gluErrorString(errorCode); - // wxString msg; - // msg.Printf(wxT("Tesselation error: %d: "), (int)errorCode); - // msg += wxString::FromAscii((char *) err); - // send_msg("error", &msg); - fprintf(stderr, "Tesselation error: %d: %s\r\n", (int) errorCode, err); + /* fprintf(stderr, "%d\r\n", (int) (coords - tess_coords) / 3); */ + if(egl_tess.index_n < egl_tess.index_max) { + egl_tess.tess_index_list[egl_tess.index_n] = (int) (coords - egl_tess.tess_coords) / 3; + egl_tess.index_n++; + } + else + egl_tess.error = NEED_MORE_INDEX; } void CALLBACK @@ -204,26 +205,43 @@ egl_ogla_combine(GLdouble coords[3], GLfloat w[4], void **dataOut) { - GLdouble* vertex = tess_alloc_vertex; - - tess_alloc_vertex += 3; + GLdouble* vertex = &egl_tess.tess_coords[egl_tess.alloc_n]; + if(egl_tess.alloc_n < egl_tess.alloc_max) { + egl_tess.alloc_n += 3; + vertex[0] = coords[0]; + vertex[1] = coords[1]; + vertex[2] = coords[2]; + *dataOut = vertex; #if 0 - fprintf(stderr, "combine: "); - int i; - for (i = 0; i < 4; i++) { - if (w[i] > 0.0) { - fprintf(stderr, "%d(%g) ", (int) vertex_data[i], w[i]); + fprintf(stderr, "combine: "); + int i; + for (i = 0; i < 4; i++) { + if (w[i] > 0.0) { + fprintf(stderr, "%d(%g) ", (int) vertex_data[i], w[i]); + } } - } - fprintf(stderr, "\r\n"); - fprintf(stderr, "%g %g %g\r\n", vertex[0], vertex[1], vertex[2]); + fprintf(stderr, "\r\n"); + fprintf(stderr, "%g %g %g\r\n", vertex[0], vertex[1], vertex[2]); #endif - vertex[0] = coords[0]; - vertex[1] = coords[1]; - vertex[2] = coords[2]; - *dataOut = vertex; + } else { + egl_tess.error = NEED_MORE_ALLOC; + *dataOut = NULL; + } +} + +void CALLBACK +egl_ogla_edge_flag(GLboolean flag) +{ +} + +void CALLBACK +egl_ogla_error(GLenum errorCode) +{ + // const GLubyte *err; + // err = gluErrorString(errorCode); + // fprintf(stderr, "Tesselation error: %d: %s\r\n", (int) errorCode, err); } void init_tess() @@ -246,49 +264,46 @@ int erl_tess_impl(char* buff, ErlDrvPort port, ErlDrvTermData caller) { ErlDrvBinary* bin; int i; - GLdouble* new_vertices; - int *vertices; int num_vertices; GLdouble *n; - int n_pos, AP; - + int AP; + int a_max = 2; + int i_max = 6; num_vertices = * (int *) buff; buff += 8; /* Align */ n = (double *) buff; buff += 8*3; - bin = driver_alloc_binary(num_vertices*6*sizeof(GLdouble)); - new_vertices = tess_coords = (double *) bin->orig_bytes; - memcpy(tess_coords,buff,num_vertices*3*sizeof(GLdouble)); - tess_alloc_vertex = tess_coords + num_vertices*3; + egl_tess.alloc_max = a_max*num_vertices*3; + bin = driver_alloc_binary(egl_tess.alloc_max*sizeof(GLdouble)); + egl_tess.error = 0; + egl_tess.tess_coords = (double *) bin->orig_bytes; + memcpy(egl_tess.tess_coords,buff,num_vertices*3*sizeof(GLdouble)); + egl_tess.index_max = i_max*3*num_vertices; + egl_tess.tess_index_list = (int *) driver_alloc(sizeof(int) * egl_tess.index_max); -#if 0 - fprintf(stderr, "n=%d\r\n", num_vertices); -#endif - vertices = (int *) driver_alloc(sizeof(int) * 16*num_vertices); - - tess_vertices = vertices; + egl_tess.tess_coords = (double *) bin->orig_bytes; + egl_tess.index_n = 0; + egl_tess.alloc_n = num_vertices*3; gluTessNormal(tess, n[0], n[1], n[2]); gluTessBeginPolygon(tess, 0); gluTessBeginContour(tess); for (i = 0; i < num_vertices; i++) { - gluTessVertex(tess, tess_coords+3*i, tess_coords+3*i); + gluTessVertex(tess, egl_tess.tess_coords+3*i, egl_tess.tess_coords+3*i); } gluTessEndContour(tess); gluTessEndPolygon(tess); - n_pos = (tess_vertices - vertices); - AP = 0; ErlDrvTermData *rt; - rt = (ErlDrvTermData *) driver_alloc(sizeof(ErlDrvTermData) * (13+n_pos*2)); + rt = (ErlDrvTermData *) driver_alloc(sizeof(ErlDrvTermData) * (13+egl_tess.index_n*2)); rt[AP++]=ERL_DRV_ATOM; rt[AP++]=driver_mk_atom((char *) "_egl_result_"); - for(i=0; i < n_pos; i++) { - rt[AP++] = ERL_DRV_INT; rt[AP++] = (int) vertices[i]; + for(i=0; i < egl_tess.index_n; i++) { + rt[AP++] = ERL_DRV_INT; rt[AP++] = (int) egl_tess.tess_index_list[i]; }; - rt[AP++] = ERL_DRV_NIL; rt[AP++] = ERL_DRV_LIST; rt[AP++] = n_pos+1; + rt[AP++] = ERL_DRV_NIL; rt[AP++] = ERL_DRV_LIST; rt[AP++] = egl_tess.index_n+1; rt[AP++] = ERL_DRV_BINARY; rt[AP++] = (ErlDrvTermData) bin; - rt[AP++] = (tess_alloc_vertex-new_vertices)*sizeof(GLdouble); rt[AP++] = 0; + rt[AP++] = egl_tess.alloc_n*sizeof(GLdouble); rt[AP++] = 0; rt[AP++] = ERL_DRV_TUPLE; rt[AP++] = 2; // Return tuple {list, Bin} rt[AP++] = ERL_DRV_TUPLE; rt[AP++] = 2; // Result tuple @@ -300,7 +315,7 @@ int erl_tess_impl(char* buff, ErlDrvPort port, ErlDrvTermData caller) /* (tess_alloc_vertex-new_vertices)*sizeof(GLdouble), */ /* num_vertices*6*sizeof(GLdouble)); */ driver_free_binary(bin); - driver_free(vertices); + driver_free(egl_tess.tess_index_list); driver_free(rt); return 0; } |