diff options
Diffstat (limited to 'src/gallium/state_trackers/egl')
| -rw-r--r-- | src/gallium/state_trackers/egl/SConscript | 31 | ||||
| -rw-r--r-- | src/gallium/state_trackers/egl/common/egl_g3d.c | 2 | ||||
| -rw-r--r-- | src/gallium/state_trackers/egl/gdi/native_gdi.c | 524 |
3 files changed, 556 insertions, 1 deletions
diff --git a/src/gallium/state_trackers/egl/SConscript b/src/gallium/state_trackers/egl/SConscript new file mode 100644 index 00000000000..855bc5bb6b3 --- /dev/null +++ b/src/gallium/state_trackers/egl/SConscript @@ -0,0 +1,31 @@ +####################################################################### +# SConscript for egl state_tracker + +Import('*') + +if 'egl' in env['statetrackers']: + + env = env.Clone() + + env.Append(CPPPATH = [ + '#/src/egl/main', + '#/src/gallium/winsys/sw', + '.', + ]) + + common_sources = [ + 'common/egl_g3d.c', + 'common/egl_g3d_api.c', + 'common/egl_g3d_image.c', + 'common/egl_g3d_st.c', + ] + + gdi_sources = common_sources + [ + 'gdi/native_gdi.c', + ] + + st_egl_gdi = env.ConvenienceLibrary( + target = 'st_egl_gdi', + source = gdi_sources, + ) + Export('st_egl_gdi') diff --git a/src/gallium/state_trackers/egl/common/egl_g3d.c b/src/gallium/state_trackers/egl/common/egl_g3d.c index d63b81a1c59..361cc7960bd 100644 --- a/src/gallium/state_trackers/egl/common/egl_g3d.c +++ b/src/gallium/state_trackers/egl/common/egl_g3d.c @@ -426,7 +426,7 @@ egl_g3d_invalid_surface(struct native_display *ndpy, } static struct native_event_handler egl_g3d_native_event_handler = { - .invalid_surface = egl_g3d_invalid_surface + egl_g3d_invalid_surface }; static EGLBoolean diff --git a/src/gallium/state_trackers/egl/gdi/native_gdi.c b/src/gallium/state_trackers/egl/gdi/native_gdi.c new file mode 100644 index 00000000000..b111ce10fea --- /dev/null +++ b/src/gallium/state_trackers/egl/gdi/native_gdi.c @@ -0,0 +1,524 @@ +/* + * Mesa 3-D graphics library + * Version: 7.9 + * + * Copyright (C) 2010 LunarG Inc. + * + * 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 + * THE AUTHORS OR COPYRIGHT HOLDERS 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. + * + * Authors: + * Chia-I Wu <[email protected]> + */ + +#include <windows.h> + +#include "pipe/p_compiler.h" +#include "util/u_memory.h" +#include "util/u_format.h" +#include "util/u_inlines.h" +#include "target-helpers/wrap_screen.h" +#include "llvmpipe/lp_public.h" +#include "softpipe/sp_public.h" +#include "gdi/gdi_sw_winsys.h" + +#include "common/native.h" + +struct gdi_display { + struct native_display base; + + HDC hDC; + struct native_event_handler *event_handler; + + struct native_config *configs; + int num_configs; +}; + +struct gdi_surface { + struct native_surface base; + + HWND hWnd; + enum pipe_format color_format; + + struct gdi_display *gdpy; + + unsigned int server_stamp; + unsigned int client_stamp; + int width, height; + uint valid_mask; + + struct pipe_resource *resources[NUM_NATIVE_ATTACHMENTS]; + struct pipe_surface *present_surface; +}; + +static INLINE struct gdi_display * +gdi_display(const struct native_display *ndpy) +{ + return (struct gdi_display *) ndpy; +} + +static INLINE struct gdi_surface * +gdi_surface(const struct native_surface *nsurf) +{ + return (struct gdi_surface *) nsurf; +} + +static boolean +gdi_surface_alloc_buffer(struct native_surface *nsurf, + enum native_attachment which) +{ + struct gdi_surface *gsurf = gdi_surface(nsurf); + struct pipe_screen *screen = gsurf->gdpy->base.screen; + struct pipe_resource templ; + + pipe_resource_reference(&gsurf->resources[which], NULL); + + memset(&templ, 0, sizeof(templ)); + templ.target = PIPE_TEXTURE_2D; + templ.format = gsurf->color_format; + templ.width0 = gsurf->width; + templ.height0 = gsurf->height; + templ.depth0 = 1; + templ.bind = PIPE_BIND_RENDER_TARGET | + PIPE_BIND_SCANOUT | + PIPE_BIND_DISPLAY_TARGET; + + gsurf->resources[which] = screen->resource_create(screen, &templ); + + return (gsurf->resources[which] != NULL); +} + +/** + * Update the geometry of the surface. Return TRUE if the geometry has changed + * since last call. + */ +static boolean +gdi_surface_update_geometry(struct native_surface *nsurf) +{ + struct gdi_surface *gsurf = gdi_surface(nsurf); + RECT rect; + unsigned int w, h; + boolean updated = FALSE; + + GetClientRect(gsurf->hWnd, &rect); + w = rect.right - rect.left; + h = rect.bottom - rect.top; + + if (gsurf->width != w || gsurf->height != h) { + gsurf->width = w; + gsurf->height = h; + + gsurf->server_stamp++; + updated = TRUE; + } + + return updated; +} + +/** + * Update the buffers of the surface. It is a slow function due to the + * round-trip to the server. + */ +static boolean +gdi_surface_update_buffers(struct native_surface *nsurf, uint buffer_mask) +{ + struct gdi_surface *gsurf = gdi_surface(nsurf); + boolean updated; + uint new_valid; + int att; + + updated = gdi_surface_update_geometry(&gsurf->base); + if (updated) { + /* all buffers become invalid */ + gsurf->valid_mask = 0x0; + } + else { + buffer_mask &= ~gsurf->valid_mask; + /* all requested buffers are valid */ + if (!buffer_mask) { + gsurf->client_stamp = gsurf->server_stamp; + return TRUE; + } + } + + new_valid = 0x0; + for (att = 0; att < NUM_NATIVE_ATTACHMENTS; att++) { + if (native_attachment_mask_test(buffer_mask, att)) { + /* reallocate the texture */ + if (!gdi_surface_alloc_buffer(&gsurf->base, att)) + break; + + new_valid |= (1 << att); + if (buffer_mask == new_valid) + break; + } + } + + gsurf->valid_mask |= new_valid; + gsurf->client_stamp = gsurf->server_stamp; + + return (new_valid == buffer_mask); +} + +static boolean +gdi_surface_present(struct native_surface *nsurf, + enum native_attachment which) +{ + struct gdi_surface *gsurf = gdi_surface(nsurf); + struct pipe_screen *screen = gsurf->gdpy->base.screen; + struct pipe_resource *pres = gsurf->resources[which]; + struct pipe_surface *psurf; + HDC hDC; + + if (!pres) + return TRUE; + + psurf = gsurf->present_surface; + if (!psurf || psurf->texture != pres) { + pipe_surface_reference(&gsurf->present_surface, NULL); + + psurf = screen->get_tex_surface(screen, pres, + 0, 0, 0, PIPE_BIND_DISPLAY_TARGET); + if (!psurf) + return FALSE; + + gsurf->present_surface = psurf; + } + + hDC = GetDC(gsurf->hWnd); + screen->flush_frontbuffer(screen, psurf, (void *) hDC); + ReleaseDC(gsurf->hWnd, hDC); + + return TRUE; +} + +static void +gdi_surface_notify_invalid(struct native_surface *nsurf) +{ + struct gdi_surface *gsurf = gdi_surface(nsurf); + struct gdi_display *gdpy = gsurf->gdpy; + + gdpy->event_handler->invalid_surface(&gdpy->base, + &gsurf->base, gsurf->server_stamp); +} + +static boolean +gdi_surface_flush_frontbuffer(struct native_surface *nsurf) +{ + struct gdi_surface *gsurf = gdi_surface(nsurf); + boolean ret; + + ret = gdi_surface_present(&gsurf->base, NATIVE_ATTACHMENT_FRONT_LEFT); + /* force buffers to be updated in next validation call */ + gsurf->server_stamp++; + gdi_surface_notify_invalid(&gsurf->base); + + return ret; +} + +static boolean +gdi_surface_swap_buffers(struct native_surface *nsurf) +{ + struct gdi_surface *gsurf = gdi_surface(nsurf); + struct pipe_resource **front, **back, *tmp; + boolean ret; + + /* display the back buffer first */ + ret = gdi_surface_present(&gsurf->base, NATIVE_ATTACHMENT_BACK_LEFT); + /* force buffers to be updated in next validation call */ + gsurf->server_stamp++; + gdi_surface_notify_invalid(&gsurf->base); + + front = &gsurf->resources[NATIVE_ATTACHMENT_FRONT_LEFT]; + back = &gsurf->resources[NATIVE_ATTACHMENT_BACK_LEFT]; + + /* skip swapping unless there is a front buffer */ + if (*front) { + tmp = *front; + *front = *back; + *back = tmp; + } + + return ret; +} + +static boolean +gdi_surface_validate(struct native_surface *nsurf, uint attachment_mask, + unsigned int *seq_num, struct pipe_resource **textures, + int *width, int *height) +{ + struct gdi_surface *gsurf = gdi_surface(nsurf); + + if (gsurf->client_stamp != gsurf->server_stamp || + (gsurf->valid_mask & attachment_mask) != attachment_mask) { + if (!gdi_surface_update_buffers(&gsurf->base, attachment_mask)) + return FALSE; + } + + if (seq_num) + *seq_num = gsurf->client_stamp; + + if (textures) { + int att; + for (att = 0; att < NUM_NATIVE_ATTACHMENTS; att++) { + if (native_attachment_mask_test(attachment_mask, att)) { + textures[att] = NULL; + pipe_resource_reference(&textures[att], gsurf->resources[att]); + } + } + } + + if (width) + *width = gsurf->width; + if (height) + *height = gsurf->height; + + return TRUE; +} + +static void +gdi_surface_wait(struct native_surface *nsurf) +{ + /* no-op */ +} + +static void +gdi_surface_destroy(struct native_surface *nsurf) +{ + struct gdi_surface *gsurf = gdi_surface(nsurf); + int i; + + pipe_surface_reference(&gsurf->present_surface, NULL); + + for (i = 0; i < NUM_NATIVE_ATTACHMENTS; i++) + pipe_resource_reference(&gsurf->resources[i], NULL); + + FREE(gsurf); +} + +static struct native_surface * +gdi_display_create_window_surface(struct native_display *ndpy, + EGLNativeWindowType win, + const struct native_config *nconf) +{ + struct gdi_display *gdpy = gdi_display(ndpy); + struct gdi_surface *gsurf; + + gsurf = CALLOC_STRUCT(gdi_surface); + if (!gsurf) + return NULL; + + gsurf->gdpy = gdpy; + gsurf->color_format = nconf->color_format; + gsurf->hWnd = (HWND) win; + + /* initialize the geometry */ + gdi_surface_update_buffers(&gsurf->base, 0x0); + + gsurf->base.destroy = gdi_surface_destroy; + gsurf->base.swap_buffers = gdi_surface_swap_buffers; + gsurf->base.flush_frontbuffer = gdi_surface_flush_frontbuffer; + gsurf->base.validate = gdi_surface_validate; + gsurf->base.wait = gdi_surface_wait; + + return &gsurf->base; +} + +static int +fill_color_formats(struct native_display *ndpy, enum pipe_format formats[8]) +{ + struct pipe_screen *screen = ndpy->screen; + int i, count = 0; + + enum pipe_format candidates[] = { + /* 32-bit */ + PIPE_FORMAT_B8G8R8A8_UNORM, + PIPE_FORMAT_A8R8G8B8_UNORM, + /* 24-bit */ + PIPE_FORMAT_B8G8R8X8_UNORM, + PIPE_FORMAT_X8R8G8B8_UNORM, + /* 16-bit */ + PIPE_FORMAT_B5G6R5_UNORM + }; + + assert(Elements(candidates) <= 8); + + for (i = 0; i < Elements(candidates); i++) { + if (screen->is_format_supported(screen, candidates[i], + PIPE_TEXTURE_2D, 0, PIPE_BIND_RENDER_TARGET, 0)) + formats[count++] = candidates[i]; + } + + return count; +} + +static const struct native_config ** +gdi_display_get_configs(struct native_display *ndpy, int *num_configs) +{ + struct gdi_display *gdpy = gdi_display(ndpy); + const struct native_config **configs; + int i; + + /* first time */ + if (!gdpy->configs) { + enum pipe_format formats[8]; + int i, count; + + count = fill_color_formats(&gdpy->base, formats); + + gdpy->configs = CALLOC(count, sizeof(*gdpy->configs)); + if (!gdpy->configs) + return NULL; + + for (i = 0; i < count; i++) { + struct native_config *nconf = &gdpy->configs[i]; + + nconf->buffer_mask = + (1 << NATIVE_ATTACHMENT_FRONT_LEFT) | + (1 << NATIVE_ATTACHMENT_BACK_LEFT); + nconf->color_format = formats[i]; + + nconf->window_bit = TRUE; + nconf->slow_config = TRUE; + } + + gdpy->num_configs = count; + } + + configs = MALLOC(gdpy->num_configs * sizeof(*configs)); + if (configs) { + for (i = 0; i < gdpy->num_configs; i++) + configs[i] = (const struct native_config *) &gdpy->configs[i]; + if (num_configs) + *num_configs = gdpy->num_configs; + } + return configs; +} + +static int +gdi_display_get_param(struct native_display *ndpy, + enum native_param_type param) +{ + int val; + + switch (param) { + case NATIVE_PARAM_USE_NATIVE_BUFFER: + /* private buffers are allocated */ + val = FALSE; + break; + default: + val = 0; + break; + } + + return val; +} + +static void +gdi_display_destroy(struct native_display *ndpy) +{ + struct gdi_display *gdpy = gdi_display(ndpy); + + if (gdpy->configs) + FREE(gdpy->configs); + + gdpy->base.screen->destroy(gdpy->base.screen); + + FREE(gdpy); +} + +static struct native_display * +gdi_create_display(HDC hDC, struct pipe_screen *screen, + struct native_event_handler *event_handler) +{ + struct gdi_display *gdpy; + + gdpy = CALLOC_STRUCT(gdi_display); + if (!gdpy) + return NULL; + + gdpy->hDC = hDC; + gdpy->event_handler = event_handler; + + gdpy->base.screen = screen; + + gdpy->base.destroy = gdi_display_destroy; + gdpy->base.get_param = gdi_display_get_param; + + gdpy->base.get_configs = gdi_display_get_configs; + gdpy->base.create_window_surface = gdi_display_create_window_surface; + + return &gdpy->base; +} + +static struct pipe_screen * +gdi_create_screen(void) +{ + struct sw_winsys *winsys; + struct pipe_screen *screen = NULL; + + winsys = gdi_create_sw_winsys(); + if (!winsys) + return NULL; + +#if defined(GALLIUM_LLVMPIPE) + if (!screen && !debug_get_bool_option("GALLIUM_NO_LLVM", FALSE)) + screen = llvmpipe_create_screen(winsys); +#endif + if (!screen) + screen = softpipe_create_screen(winsys); + + if (!screen) { + if (winsys->destroy) + winsys->destroy(winsys); + return NULL; + } + + return gallium_wrap_screen(screen); +} + +struct native_probe * +native_create_probe(EGLNativeDisplayType dpy) +{ + return NULL; +} + +enum native_probe_result +native_get_probe_result(struct native_probe *nprobe) +{ + return NATIVE_PROBE_UNKNOWN; +} + +const char * +native_get_name(void) +{ + return "GDI"; +} + +struct native_display * +native_create_display(EGLNativeDisplayType dpy, + struct native_event_handler *event_handler) +{ + struct pipe_screen *screen; + + screen = gdi_create_screen(); + if (!screen) + return NULL; + + return gdi_create_display((HDC) dpy, screen, event_handler); +} |