From b60e1d7630fb35017b07df51493e1df46715fa53 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Jos=C3=A9=20Fonseca?= Date: Wed, 16 Sep 2009 10:39:29 +0100 Subject: [PATCH] gdi: Integrate with llvmpipe where available. --- src/gallium/winsys/gdi/SConscript | 60 ++-- src/gallium/winsys/gdi/gdi_llvmpipe_winsys.c | 284 +++++++++++++++++++ 2 files changed, 316 insertions(+), 28 deletions(-) create mode 100644 src/gallium/winsys/gdi/gdi_llvmpipe_winsys.c diff --git a/src/gallium/winsys/gdi/SConscript b/src/gallium/winsys/gdi/SConscript index 86eb9ef55ed..f5e6d36d89c 100644 --- a/src/gallium/winsys/gdi/SConscript +++ b/src/gallium/winsys/gdi/SConscript @@ -5,35 +5,39 @@ Import('*') if env['platform'] == 'windows': - env = env.Clone() + env = env.Clone() - env.Append(CPPPATH = [ - '#src/gallium/state_trackers/wgl', - ]) + env.Append(CPPPATH = [ + '#src/gallium/state_trackers/wgl', + ]) - env.Append(LIBS = [ - 'gdi32', - 'user32', - 'kernel32', - 'ws2_32', - ]) + env.Append(LIBS = [ + 'gdi32', + 'user32', + 'kernel32', + 'ws2_32', + ]) - sources = [ - 'gdi_softpipe_winsys.c', - ] - - if env['gcc']: - sources += ['#src/gallium/state_trackers/wgl/opengl32.mingw.def'] - else: - sources += ['#src/gallium/state_trackers/wgl/opengl32.def'] - - drivers = [ - trace, - softpipe, - ] + if 'llvmpipe' in env['drivers']: + sources = ['gdi_llvmpipe_winsys.c'] + drivers = [llvmpipe] + env.Tool('llvm') + elif 'softpipe' in env['drivers']: + sources = ['gdi_softpipe_winsys.c'] + drivers = [softpipe] + else: + print 'warning: softpipe or llvmpipe not selected, gdi winsys disabled' + Return() + + if env['gcc']: + sources += ['#src/gallium/state_trackers/wgl/opengl32.mingw.def'] + else: + sources += ['#src/gallium/state_trackers/wgl/opengl32.def'] + + drivers += [trace] - env.SharedLibrary( - target ='opengl32', - source = sources, - LIBS = wgl + glapi + mesa + drivers + auxiliaries + env['LIBS'], - ) + env.SharedLibrary( + target ='opengl32', + source = sources, + LIBS = wgl + glapi + mesa + drivers + auxiliaries + env['LIBS'], + ) diff --git a/src/gallium/winsys/gdi/gdi_llvmpipe_winsys.c b/src/gallium/winsys/gdi/gdi_llvmpipe_winsys.c new file mode 100644 index 00000000000..c0c33b45d59 --- /dev/null +++ b/src/gallium/winsys/gdi/gdi_llvmpipe_winsys.c @@ -0,0 +1,284 @@ +/************************************************************************** + * + * Copyright 2009 VMware, Inc. + * All Rights Reserved. + * + * 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, sub license, 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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. + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * + **************************************************************************/ + +/** + * @file + * LLVMpipe support. + * + * @author Jose Fonseca + */ + + +#include + +#include "pipe/p_format.h" +#include "pipe/p_context.h" +#include "pipe/p_inlines.h" +#include "util/u_math.h" +#include "util/u_memory.h" +#include "llvmpipe/lp_winsys.h" +#include "llvmpipe/lp_texture.h" +#include "shared/stw_winsys.h" + + +struct gdi_llvmpipe_displaytarget +{ + enum pipe_format format; + struct pipe_format_block block; + unsigned width; + unsigned height; + unsigned stride; + + unsigned size; + + void *data; + + BITMAPINFO bmi; +}; + + +/** Cast wrapper */ +static INLINE struct gdi_llvmpipe_displaytarget * +gdi_llvmpipe_displaytarget( struct llvmpipe_displaytarget *buf ) +{ + return (struct gdi_llvmpipe_displaytarget *)buf; +} + + +static boolean +gdi_llvmpipe_is_displaytarget_format_supported( struct llvmpipe_winsys *ws, + enum pipe_format format ) +{ + switch(format) { + case PIPE_FORMAT_X8R8G8B8_UNORM: + case PIPE_FORMAT_A8R8G8B8_UNORM: + return TRUE; + + /* TODO: Support other formats possible with BMPs, as described in + * http://msdn.microsoft.com/en-us/library/dd183376(VS.85).aspx */ + + default: + return FALSE; + } +} + + +static void * +gdi_llvmpipe_displaytarget_map(struct llvmpipe_winsys *ws, + struct llvmpipe_displaytarget *dt, + unsigned flags ) +{ + struct gdi_llvmpipe_displaytarget *gdt = gdi_llvmpipe_displaytarget(dt); + + return gdt->data; +} + + +static void +gdi_llvmpipe_displaytarget_unmap(struct llvmpipe_winsys *ws, + struct llvmpipe_displaytarget *dt ) +{ + +} + + +static void +gdi_llvmpipe_displaytarget_destroy(struct llvmpipe_winsys *winsys, + struct llvmpipe_displaytarget *dt) +{ + struct gdi_llvmpipe_displaytarget *gdt = gdi_llvmpipe_displaytarget(dt); + + align_free(gdt->data); + FREE(gdt); +} + + +/** + * Round n up to next multiple. + */ +static INLINE unsigned +round_up(unsigned n, unsigned multiple) +{ + return (n + multiple - 1) & ~(multiple - 1); +} + + +static struct llvmpipe_displaytarget * +gdi_llvmpipe_displaytarget_create(struct llvmpipe_winsys *winsys, + enum pipe_format format, + unsigned width, unsigned height, + unsigned alignment, + unsigned *stride) +{ + struct gdi_llvmpipe_displaytarget *gdt; + unsigned cpp; + unsigned bpp; + + gdt = CALLOC_STRUCT(gdi_llvmpipe_displaytarget); + if(!gdt) + goto no_gdt; + + gdt->format = format; + gdt->width = width; + gdt->height = height; + + bpp = pf_get_bits(format); + cpp = pf_get_size(format); + + gdt->stride = round_up(width * cpp, alignment); + gdt->size = gdt->stride * height; + + gdt->data = align_malloc(gdt->size, alignment); + if(!gdt->data) + goto no_data; + + gdt->bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER); + gdt->bmi.bmiHeader.biWidth = gdt->stride / cpp; + gdt->bmi.bmiHeader.biHeight= -(long)height; + gdt->bmi.bmiHeader.biPlanes = 1; + gdt->bmi.bmiHeader.biBitCount = bpp; + gdt->bmi.bmiHeader.biCompression = BI_RGB; + gdt->bmi.bmiHeader.biSizeImage = 0; + gdt->bmi.bmiHeader.biXPelsPerMeter = 0; + gdt->bmi.bmiHeader.biYPelsPerMeter = 0; + gdt->bmi.bmiHeader.biClrUsed = 0; + gdt->bmi.bmiHeader.biClrImportant = 0; + + *stride = gdt->stride; + return (struct llvmpipe_displaytarget *)gdt; + +no_data: + FREE(gdt); +no_gdt: + return NULL; +} + + +static void +gdi_llvmpipe_displaytarget_display(struct llvmpipe_winsys *winsys, + struct llvmpipe_displaytarget *dt, + void *context_private) +{ + assert(0); +} + + +static void +gdi_llvmpipe_destroy(struct llvmpipe_winsys *winsys) +{ + FREE(winsys); +} + + +static struct pipe_screen * +gdi_llvmpipe_screen_create(void) +{ + static struct llvmpipe_winsys *winsys; + struct pipe_screen *screen; + + winsys = CALLOC_STRUCT(llvmpipe_winsys); + if(!winsys) + goto no_winsys; + + winsys->destroy = gdi_llvmpipe_destroy; + winsys->is_displaytarget_format_supported = gdi_llvmpipe_is_displaytarget_format_supported; + winsys->displaytarget_create = gdi_llvmpipe_displaytarget_create; + winsys->displaytarget_map = gdi_llvmpipe_displaytarget_map; + winsys->displaytarget_unmap = gdi_llvmpipe_displaytarget_unmap; + winsys->displaytarget_display = gdi_llvmpipe_displaytarget_display; + winsys->displaytarget_destroy = gdi_llvmpipe_displaytarget_destroy; + + screen = llvmpipe_create_screen(winsys); + if(!screen) + goto no_screen; + + return screen; + +no_screen: + FREE(winsys); +no_winsys: + return NULL; +} + + +static struct pipe_context * +gdi_llvmpipe_context_create(struct pipe_screen *screen) +{ + return llvmpipe_create(screen); +} + + +static void +gdi_llvmpipe_flush_frontbuffer(struct pipe_screen *screen, + struct pipe_surface *surface, + HDC hDC) +{ + struct llvmpipe_texture *texture; + struct gdi_llvmpipe_displaytarget *gdt; + + texture = llvmpipe_texture(surface->texture); + gdt = gdi_llvmpipe_displaytarget(texture->dt); + + StretchDIBits(hDC, + 0, 0, gdt->width, gdt->height, + 0, 0, gdt->width, gdt->height, + gdt->data, &gdt->bmi, 0, SRCCOPY); +} + + +static const struct stw_winsys stw_winsys = { + &gdi_llvmpipe_screen_create, + &gdi_llvmpipe_context_create, + &gdi_llvmpipe_flush_frontbuffer +}; + + +BOOL WINAPI +DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpReserved) +{ + switch (fdwReason) { + case DLL_PROCESS_ATTACH: + if (!stw_init(&stw_winsys)) { + return FALSE; + } + return stw_init_thread(); + + case DLL_THREAD_ATTACH: + return stw_init_thread(); + + case DLL_THREAD_DETACH: + stw_cleanup_thread(); + break; + + case DLL_PROCESS_DETACH: + stw_cleanup_thread(); + stw_cleanup(); + break; + } + return TRUE; +} -- 2.30.2