diff options
Diffstat (limited to 'src/gallium/state_trackers/egl')
| -rw-r--r-- | src/gallium/state_trackers/egl/SConscript | 1 | ||||
| -rw-r--r-- | src/gallium/state_trackers/egl/common/native_helper.c | 235 | ||||
| -rw-r--r-- | src/gallium/state_trackers/egl/common/native_helper.h | 70 |
3 files changed, 306 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/egl/SConscript b/src/gallium/state_trackers/egl/SConscript index 855bc5bb6b3..c4d01d6b287 100644 --- a/src/gallium/state_trackers/egl/SConscript +++ b/src/gallium/state_trackers/egl/SConscript @@ -18,6 +18,7 @@ if 'egl' in env['statetrackers']: 'common/egl_g3d_api.c', 'common/egl_g3d_image.c', 'common/egl_g3d_st.c', + 'common/native_helper.c', ] gdi_sources = common_sources + [ diff --git a/src/gallium/state_trackers/egl/common/native_helper.c b/src/gallium/state_trackers/egl/common/native_helper.c new file mode 100644 index 00000000000..7832b2b693f --- /dev/null +++ b/src/gallium/state_trackers/egl/common/native_helper.c @@ -0,0 +1,235 @@ +/* + * 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 "util/u_inlines.h" +#include "util/u_memory.h" +#include "pipe/p_screen.h" +#include "pipe/p_context.h" +#include "pipe/p_state.h" + +#include "native_helper.h" + +struct resource_surface { + struct pipe_screen *screen; + enum pipe_format format; + uint bind; + + struct pipe_resource *resources[NUM_NATIVE_ATTACHMENTS]; + struct pipe_surface *present_surfaces[NUM_NATIVE_ATTACHMENTS]; + uint resource_mask; + uint width, height; +}; + +struct resource_surface * +resource_surface_create(struct pipe_screen *screen, + enum pipe_format format, uint bind) +{ + struct resource_surface *rsurf = CALLOC_STRUCT(resource_surface); + + if (rsurf) { + rsurf->screen = screen; + rsurf->format = format; + rsurf->bind = bind; + } + + return rsurf; +} + +static void +resource_surface_free_resources(struct resource_surface *rsurf) +{ + if (rsurf->resource_mask) { + int i; + + for (i = 0; i < NUM_NATIVE_ATTACHMENTS; i++) { + if (rsurf->present_surfaces[i]) + pipe_surface_reference(&rsurf->present_surfaces[i], NULL); + if (rsurf->resources[i]) + pipe_resource_reference(&rsurf->resources[i], NULL); + } + rsurf->resource_mask = 0x0; + } +} + +void +resource_surface_destroy(struct resource_surface *rsurf) +{ + resource_surface_free_resources(rsurf); + FREE(rsurf); +} + +boolean +resource_surface_set_size(struct resource_surface *rsurf, + uint width, uint height) +{ + boolean changed = FALSE; + + if (rsurf->width != width || rsurf->height != height) { + resource_surface_free_resources(rsurf); + rsurf->width = width; + rsurf->height = height; + changed = TRUE; + } + + return changed; +} + +void +resource_surface_get_size(struct resource_surface *rsurf, + uint *width, uint *height) +{ + if (width) + *width = rsurf->width; + if (height) + *height = rsurf->height; +} + +boolean +resource_surface_add_resources(struct resource_surface *rsurf, + uint resource_mask) +{ + struct pipe_resource templ; + int i; + + resource_mask &= ~rsurf->resource_mask; + if (!resource_mask) + return TRUE; + + if (!rsurf->width || !rsurf->height) + return FALSE; + + memset(&templ, 0, sizeof(templ)); + templ.target = PIPE_TEXTURE_2D; + templ.format = rsurf->format; + templ.bind = rsurf->bind; + templ.width0 = rsurf->width; + templ.height0 = rsurf->height; + templ.depth0 = 1; + + for (i = 0; i < NUM_NATIVE_ATTACHMENTS; i++) { + if (resource_mask & (1 <<i)) { + assert(!rsurf->resources[i]); + + rsurf->resources[i] = + rsurf->screen->resource_create(rsurf->screen, &templ); + if (rsurf->resources[i]) + rsurf->resource_mask |= 1 << i; + } + } + + return ((rsurf->resource_mask & resource_mask) == resource_mask); +} + + +void +resource_surface_get_resources(struct resource_surface *rsurf, + struct pipe_resource **resources, + uint resource_mask) +{ + int i; + + for (i = 0; i < NUM_NATIVE_ATTACHMENTS; i++) { + if (resource_mask & (1 << i)) { + resources[i] = NULL; + pipe_resource_reference(&resources[i], rsurf->resources[i]); + } + } +} + +struct pipe_resource * +resource_surface_get_single_resource(struct resource_surface *rsurf, + enum native_attachment which) +{ + struct pipe_resource *pres = NULL; + pipe_resource_reference(&pres, rsurf->resources[which]); + return pres; +} + +static INLINE void +pointer_swap(const void **p1, const void **p2) +{ + const void *tmp = *p1; + *p1 = *p2; + *p2 = tmp; +} + +void +resource_surface_swap_buffers(struct resource_surface *rsurf, + enum native_attachment buf1, + enum native_attachment buf2, + boolean only_if_exist) +{ + const uint buf1_bit = 1 << buf1; + const uint buf2_bit = 1 << buf2; + uint mask; + + if (only_if_exist && !(rsurf->resources[buf1] && rsurf->resources[buf2])) + return; + + pointer_swap((const void **) &rsurf->resources[buf1], + (const void **) &rsurf->resources[buf2]); + pointer_swap((const void **) &rsurf->present_surfaces[buf1], + (const void **) &rsurf->present_surfaces[buf2]); + + /* swap mask bits */ + mask = rsurf->resource_mask & ~(buf1_bit | buf2_bit); + if (rsurf->resource_mask & buf1_bit) + mask |= buf2_bit; + if (rsurf->resource_mask & buf2_bit) + mask |= buf1_bit; + + rsurf->resource_mask = mask; +} + +boolean +resource_surface_present(struct resource_surface *rsurf, + enum native_attachment which, + void *winsys_drawable_handle) +{ + struct pipe_resource *pres = rsurf->resources[which]; + struct pipe_surface *psurf = rsurf->present_surfaces[which]; + + if (!pres) + return TRUE; + + if (!psurf) { + psurf = rsurf->screen->get_tex_surface(rsurf->screen, + pres, 0, 0, 0, PIPE_BIND_DISPLAY_TARGET); + if (!psurf) + return FALSE; + + rsurf->present_surfaces[which] = psurf; + } + + assert(psurf->texture == pres); + + rsurf->screen->flush_frontbuffer(rsurf->screen, + psurf, winsys_drawable_handle); + + return TRUE; +} diff --git a/src/gallium/state_trackers/egl/common/native_helper.h b/src/gallium/state_trackers/egl/common/native_helper.h new file mode 100644 index 00000000000..62956d52201 --- /dev/null +++ b/src/gallium/state_trackers/egl/common/native_helper.h @@ -0,0 +1,70 @@ +/* + * 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 "native.h" + +struct resource_surface; + +struct resource_surface * +resource_surface_create(struct pipe_screen *screen, + enum pipe_format format, uint bind); + +void +resource_surface_destroy(struct resource_surface *rsurf); + +boolean +resource_surface_set_size(struct resource_surface *rsurf, + uint width, uint height); + +void +resource_surface_get_size(struct resource_surface *rsurf, + uint *width, uint *height); + +boolean +resource_surface_add_resources(struct resource_surface *rsurf, + uint resource_mask); + +void +resource_surface_get_resources(struct resource_surface *rsurf, + struct pipe_resource **resources, + uint resource_mask); + +struct pipe_resource * +resource_surface_get_single_resource(struct resource_surface *rsurf, + enum native_attachment which); + +void +resource_surface_swap_buffers(struct resource_surface *rsurf, + enum native_attachment buf1, + enum native_attachment buf2, + boolean only_if_exist); + +boolean +resource_surface_present(struct resource_surface *rsurf, + enum native_attachment which, + void *winsys_drawable_handle); |