/** * Called via glEnd. */ static void GLAPIENTRY vbo_exec_End(void) { GET_CURRENT_CONTEXT(ctx); struct vbo_exec_context *exec = &vbo_context(ctx)->exec; if (!_mesa_inside_begin_end(ctx)) { _mesa_error(ctx, GL_INVALID_OPERATION, "glEnd"); return; } ctx->Exec = ctx->OutsideBeginEnd; if (ctx->CurrentClientDispatch == ctx->BeginEnd) { ctx->CurrentClientDispatch = ctx->OutsideBeginEnd; _glapi_set_dispatch(ctx->CurrentClientDispatch); } if (exec->vtx.prim_count > 0) { /* close off current primitive */ struct _mesa_prim *last_prim = &exec->vtx.prim[exec->vtx.prim_count - 1]; last_prim->end = 1; last_prim->count = exec->vtx.vert_count - last_prim->start; /* Special handling for GL_LINE_LOOP */ if (last_prim->mode == GL_LINE_LOOP && last_prim->begin == 0) { /* We're finishing drawing a line loop. Append 0th vertex onto * end of vertex buffer so we can draw it as a line strip. */ const fi_type *src = exec->vtx.buffer_map + last_prim->start * exec->vtx.vertex_size; fi_type *dst = exec->vtx.buffer_map + exec->vtx.vert_count * exec->vtx.vertex_size; /* copy 0th vertex to end of buffer */ memcpy(dst, src, exec->vtx.vertex_size * sizeof(fi_type)); last_prim->start++; /* skip vertex0 */ /* note that last_prim->count stays unchanged */ last_prim->mode = GL_LINE_STRIP; /* Increment the vertex count so the next primitive doesn't * overwrite the last vertex which we just added. */ exec->vtx.vert_count++; exec->vtx.buffer_ptr += exec->vtx.vertex_size; } try_vbo_merge(exec); } ctx->Driver.CurrentExecPrimitive = PRIM_OUTSIDE_BEGIN_END; if (exec->vtx.prim_count == VBO_MAX_PRIM) vbo_exec_vtx_flush(exec, GL_FALSE); if (MESA_DEBUG_FLAGS & DEBUG_ALWAYS_FLUSH) { _mesa_flush(ctx); } }
/** * Called via glEnd. */ static void GLAPIENTRY vbo_exec_End( void ) { GET_CURRENT_CONTEXT( ctx ); struct vbo_exec_context *exec = &vbo_context(ctx)->exec; if (!_mesa_inside_begin_end(ctx)) { _mesa_error(ctx, GL_INVALID_OPERATION, "glEnd"); return; } ctx->Exec = ctx->OutsideBeginEnd; if (ctx->CurrentDispatch == ctx->BeginEnd) { ctx->CurrentDispatch = ctx->OutsideBeginEnd; _glapi_set_dispatch(ctx->CurrentDispatch); } if (exec->vtx.prim_count > 0) { /* close off current primitive */ int idx = exec->vtx.vert_count; int i = exec->vtx.prim_count - 1; exec->vtx.prim[i].end = 1; exec->vtx.prim[i].count = idx - exec->vtx.prim[i].start; try_vbo_merge(exec); } ctx->Driver.CurrentExecPrimitive = PRIM_OUTSIDE_BEGIN_END; if (exec->vtx.prim_count == VBO_MAX_PRIM) vbo_exec_vtx_flush( exec, GL_FALSE ); if (MESA_DEBUG_FLAGS & DEBUG_ALWAYS_FLUSH) { _mesa_flush(ctx); } }