diff options
Diffstat (limited to 'src/gallium/frontends/xa/xa_tracker.c')
| -rw-r--r-- | src/gallium/frontends/xa/xa_tracker.c | 578 |
1 files changed, 578 insertions, 0 deletions
diff --git a/src/gallium/frontends/xa/xa_tracker.c b/src/gallium/frontends/xa/xa_tracker.c new file mode 100644 index 00000000000..31162606375 --- /dev/null +++ b/src/gallium/frontends/xa/xa_tracker.c @@ -0,0 +1,578 @@ +/********************************************************** + * Copyright 2009-2011 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, 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: + * Thomas Hellstrom <thellstrom-at-vmware-dot-com> + */ + +#include <unistd.h> +#include "xa_tracker.h" +#include "xa_priv.h" +#include "pipe/p_state.h" +#include "pipe/p_format.h" +#include "pipe-loader/pipe_loader.h" +#include "frontend/drm_driver.h" +#include "util/u_inlines.h" + +/* + * format_map [xa_surface_type][first..last in list]. + * Needs to be updated when enum xa_formats is updated. + */ + +static const enum xa_formats preferred_a[] = { xa_format_a8 }; + +static const enum xa_formats preferred_argb[] = + { xa_format_a8r8g8b8, xa_format_x8r8g8b8, xa_format_r5g6b5, + xa_format_x1r5g5b5 +}; +static const enum xa_formats preferred_z[] = + { xa_format_z32, xa_format_z24, xa_format_z16 }; +static const enum xa_formats preferred_sz[] = + { xa_format_x8z24, xa_format_s8z24 }; +static const enum xa_formats preferred_zs[] = + { xa_format_z24x8, xa_format_z24s8 }; +static const enum xa_formats preferred_yuv[] = { xa_format_yuv8 }; + +static const enum xa_formats *preferred[] = + { NULL, preferred_a, preferred_argb, NULL, NULL, + preferred_z, preferred_zs, preferred_sz, preferred_yuv +}; + +static const unsigned int num_preferred[] = { 0, + sizeof(preferred_a) / sizeof(enum xa_formats), + sizeof(preferred_argb) / sizeof(enum xa_formats), + 0, + 0, + sizeof(preferred_z) / sizeof(enum xa_formats), + sizeof(preferred_zs) / sizeof(enum xa_formats), + sizeof(preferred_sz) / sizeof(enum xa_formats), + sizeof(preferred_yuv) / sizeof(enum xa_formats) +}; + +static const unsigned int stype_bind[XA_LAST_SURFACE_TYPE] = { 0, + PIPE_BIND_SAMPLER_VIEW, + PIPE_BIND_SAMPLER_VIEW, + PIPE_BIND_SAMPLER_VIEW, + PIPE_BIND_SAMPLER_VIEW, + PIPE_BIND_DEPTH_STENCIL, + PIPE_BIND_DEPTH_STENCIL, + PIPE_BIND_DEPTH_STENCIL, + PIPE_BIND_SAMPLER_VIEW +}; + +static struct xa_format_descriptor +xa_get_pipe_format(struct xa_tracker *xa, enum xa_formats xa_format) +{ + struct xa_format_descriptor fdesc; + + fdesc.xa_format = xa_format; + + switch (xa_format) { + case xa_format_a8: + if (xa->screen->is_format_supported(xa->screen, PIPE_FORMAT_R8_UNORM, + PIPE_TEXTURE_2D, 0, 0, + stype_bind[xa_type_a] | + PIPE_BIND_RENDER_TARGET)) + fdesc.format = PIPE_FORMAT_R8_UNORM; + else + fdesc.format = PIPE_FORMAT_L8_UNORM; + break; + case xa_format_a8r8g8b8: + fdesc.format = PIPE_FORMAT_B8G8R8A8_UNORM; + break; + case xa_format_x8r8g8b8: + fdesc.format = PIPE_FORMAT_B8G8R8X8_UNORM; + break; + case xa_format_r5g6b5: + fdesc.format = PIPE_FORMAT_B5G6R5_UNORM; + break; + case xa_format_x1r5g5b5: + fdesc.format = PIPE_FORMAT_B5G5R5A1_UNORM; + break; + case xa_format_a4r4g4b4: + fdesc.format = PIPE_FORMAT_B4G4R4A4_UNORM; + break; + case xa_format_a2b10g10r10: + fdesc.format = PIPE_FORMAT_R10G10B10A2_UNORM; + break; + case xa_format_x2b10g10r10: + fdesc.format = PIPE_FORMAT_R10G10B10X2_UNORM; + break; + case xa_format_b8g8r8a8: + fdesc.format = PIPE_FORMAT_A8R8G8B8_UNORM; + break; + case xa_format_b8g8r8x8: + fdesc.format = PIPE_FORMAT_X8R8G8B8_UNORM; + break; + case xa_format_z24: + fdesc.format = PIPE_FORMAT_Z24X8_UNORM; + break; + case xa_format_z16: + fdesc.format = PIPE_FORMAT_Z16_UNORM; + break; + case xa_format_z32: + fdesc.format = PIPE_FORMAT_Z32_UNORM; + break; + case xa_format_x8z24: + fdesc.format = PIPE_FORMAT_Z24X8_UNORM; + break; + case xa_format_z24x8: + fdesc.format = PIPE_FORMAT_X8Z24_UNORM; + break; + case xa_format_s8z24: + fdesc.format = PIPE_FORMAT_Z24_UNORM_S8_UINT; + break; + case xa_format_z24s8: + fdesc.format = PIPE_FORMAT_S8_UINT_Z24_UNORM; + break; + case xa_format_yuv8: + if (xa->screen->is_format_supported(xa->screen, PIPE_FORMAT_R8_UNORM, + PIPE_TEXTURE_2D, 0, 0, + stype_bind[xa_type_yuv_component])) + fdesc.format = PIPE_FORMAT_R8_UNORM; + else + fdesc.format = PIPE_FORMAT_L8_UNORM; + break; + default: + fdesc.xa_format = xa_format_unknown; + break; + } + return fdesc; +} + +XA_EXPORT struct xa_tracker * +xa_tracker_create(int drm_fd) +{ + struct xa_tracker *xa = calloc(1, sizeof(struct xa_tracker)); + enum xa_surface_type stype; + unsigned int num_formats; + + if (!xa) + return NULL; + + if (pipe_loader_drm_probe_fd(&xa->dev, drm_fd)) + xa->screen = pipe_loader_create_screen(xa->dev); + + if (!xa->screen) + goto out_no_screen; + + xa->default_ctx = xa_context_create(xa); + if (!xa->default_ctx) + goto out_no_pipe; + + num_formats = 0; + for (stype = 0; stype < XA_LAST_SURFACE_TYPE; ++stype) + num_formats += num_preferred[stype]; + + num_formats += 1; + xa->supported_formats = calloc(num_formats, sizeof(*xa->supported_formats)); + if (!xa->supported_formats) + goto out_sf_alloc_fail; + + xa->supported_formats[0] = xa_format_unknown; + num_formats = 1; + memset(xa->format_map, 0, sizeof(xa->format_map)); + + for (stype = 0; stype < XA_LAST_SURFACE_TYPE; ++stype) { + unsigned int bind = stype_bind[stype]; + enum xa_formats xa_format; + int i; + + for (i = 0; i < num_preferred[stype]; ++i) { + xa_format = preferred[stype][i]; + + struct xa_format_descriptor fdesc = + xa_get_pipe_format(xa, xa_format); + + if (xa->screen->is_format_supported(xa->screen, fdesc.format, + PIPE_TEXTURE_2D, 0, 0, bind)) { + if (xa->format_map[stype][0] == 0) + xa->format_map[stype][0] = num_formats; + xa->format_map[stype][1] = num_formats; + xa->supported_formats[num_formats++] = xa_format; + } + } + } + return xa; + + out_sf_alloc_fail: + xa_context_destroy(xa->default_ctx); + out_no_pipe: + xa->screen->destroy(xa->screen); + out_no_screen: + if (xa->dev) + pipe_loader_release(&xa->dev, 1); + + free(xa); + return NULL; +} + +XA_EXPORT void +xa_tracker_destroy(struct xa_tracker *xa) +{ + free(xa->supported_formats); + xa_context_destroy(xa->default_ctx); + xa->screen->destroy(xa->screen); + pipe_loader_release(&xa->dev, 1); + /* CHECK: The XA API user preserves ownership of the original fd */ + free(xa); +} + +static int +xa_flags_compat(unsigned int old_flags, unsigned int new_flags) +{ + unsigned int flag_diff = (old_flags ^ new_flags); + + if (flag_diff == 0) + return 1; + + if (flag_diff & XA_FLAG_SHARED) + return 0; + /* + * Don't recreate if we're dropping the render target flag. + */ + if (flag_diff & XA_FLAG_RENDER_TARGET) + return ((new_flags & XA_FLAG_RENDER_TARGET) == 0); + + /* + * Don't recreate if we're dropping the scanout flag. + */ + if (flag_diff & XA_FLAG_SCANOUT) + return ((new_flags & XA_FLAG_SCANOUT) == 0); + + /* + * Always recreate for unknown / unimplemented flags. + */ + return 0; +} + +static struct xa_format_descriptor +xa_get_format_stype_depth(struct xa_tracker *xa, + enum xa_surface_type stype, unsigned int depth) +{ + unsigned int i; + struct xa_format_descriptor fdesc; + int found = 0; + + for (i = xa->format_map[stype][0]; i <= xa->format_map[stype][1]; ++i) { + fdesc = xa_get_pipe_format(xa, xa->supported_formats[i]); + if (fdesc.xa_format != xa_format_unknown && + xa_format_depth(fdesc.xa_format) == depth) { + found = 1; + break; + } + } + + if (!found) + fdesc.xa_format = xa_format_unknown; + + return fdesc; +} + +XA_EXPORT int +xa_format_check_supported(struct xa_tracker *xa, + enum xa_formats xa_format, unsigned int flags) +{ + struct xa_format_descriptor fdesc = xa_get_pipe_format(xa, xa_format); + unsigned int bind; + + if (fdesc.xa_format == xa_format_unknown) + return -XA_ERR_INVAL; + + bind = stype_bind[xa_format_type(fdesc.xa_format)]; + if (flags & XA_FLAG_SHARED) + bind |= PIPE_BIND_SHARED; + if (flags & XA_FLAG_RENDER_TARGET) + bind |= PIPE_BIND_RENDER_TARGET; + if (flags & XA_FLAG_SCANOUT) + bind |= PIPE_BIND_SCANOUT; + + if (!xa->screen->is_format_supported(xa->screen, fdesc.format, + PIPE_TEXTURE_2D, 0, 0, bind)) + return -XA_ERR_INVAL; + + return XA_ERR_NONE; +} + +static unsigned +handle_type(enum xa_handle_type type) +{ + switch (type) { + case xa_handle_type_kms: + return WINSYS_HANDLE_TYPE_KMS; + case xa_handle_type_fd: + return WINSYS_HANDLE_TYPE_FD; + case xa_handle_type_shared: + default: + return WINSYS_HANDLE_TYPE_SHARED; + } +} + +static struct xa_surface * +surface_create(struct xa_tracker *xa, + int width, + int height, + int depth, + enum xa_surface_type stype, + enum xa_formats xa_format, unsigned int flags, + struct winsys_handle *whandle) +{ + struct pipe_resource *template; + struct xa_surface *srf; + struct xa_format_descriptor fdesc; + + if (xa_format == xa_format_unknown) + fdesc = xa_get_format_stype_depth(xa, stype, depth); + else + fdesc = xa_get_pipe_format(xa, xa_format); + + if (fdesc.xa_format == xa_format_unknown) + return NULL; + + srf = calloc(1, sizeof(*srf)); + if (!srf) + return NULL; + + template = &srf->template; + template->format = fdesc.format; + template->target = PIPE_TEXTURE_2D; + template->width0 = width; + template->height0 = height; + template->depth0 = 1; + template->array_size = 1; + template->last_level = 0; + template->bind = stype_bind[xa_format_type(fdesc.xa_format)]; + + if (flags & XA_FLAG_SHARED) + template->bind |= PIPE_BIND_SHARED; + if (flags & XA_FLAG_RENDER_TARGET) + template->bind |= PIPE_BIND_RENDER_TARGET; + if (flags & XA_FLAG_SCANOUT) + template->bind |= PIPE_BIND_SCANOUT; + + if (whandle) + srf->tex = xa->screen->resource_from_handle(xa->screen, template, whandle, + PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE); + else + srf->tex = xa->screen->resource_create(xa->screen, template); + if (!srf->tex) + goto out_no_tex; + + srf->refcount = 1; + srf->xa = xa; + srf->flags = flags; + srf->fdesc = fdesc; + + return srf; + out_no_tex: + free(srf); + return NULL; +} + + +XA_EXPORT struct xa_surface * +xa_surface_create(struct xa_tracker *xa, + int width, + int height, + int depth, + enum xa_surface_type stype, + enum xa_formats xa_format, unsigned int flags) +{ + return surface_create(xa, width, height, depth, stype, xa_format, flags, NULL); +} + + +XA_EXPORT struct xa_surface * +xa_surface_from_handle(struct xa_tracker *xa, + int width, + int height, + int depth, + enum xa_surface_type stype, + enum xa_formats xa_format, unsigned int flags, + uint32_t handle, uint32_t stride) +{ + return xa_surface_from_handle2(xa, width, height, depth, stype, xa_format, + WINSYS_HANDLE_TYPE_SHARED, flags, handle, + stride); +} + +XA_EXPORT struct xa_surface * +xa_surface_from_handle2(struct xa_tracker *xa, + int width, + int height, + int depth, + enum xa_surface_type stype, + enum xa_formats xa_format, unsigned int flags, + enum xa_handle_type type, + uint32_t handle, uint32_t stride) +{ + struct winsys_handle whandle; + memset(&whandle, 0, sizeof(whandle)); + whandle.type = handle_type(type); + whandle.handle = handle; + whandle.stride = stride; + return surface_create(xa, width, height, depth, stype, xa_format, flags, &whandle); +} + +XA_EXPORT int +xa_surface_redefine(struct xa_surface *srf, + int width, + int height, + int depth, + enum xa_surface_type stype, + enum xa_formats xa_format, + unsigned int new_flags, + int copy_contents) +{ + struct pipe_resource *template = &srf->template; + struct pipe_resource *texture; + struct pipe_box src_box; + struct xa_tracker *xa = srf->xa; + int save_width; + int save_height; + unsigned int save_format; + struct xa_format_descriptor fdesc; + + + if (xa_format == xa_format_unknown) + fdesc = xa_get_format_stype_depth(xa, stype, depth); + else + fdesc = xa_get_pipe_format(xa, xa_format); + + if (width == template->width0 && height == template->height0 && + template->format == fdesc.format && + xa_flags_compat(srf->flags, new_flags)) + return XA_ERR_NONE; + + template->bind = stype_bind[xa_format_type(fdesc.xa_format)]; + if (new_flags & XA_FLAG_SHARED) + template->bind |= PIPE_BIND_SHARED; + if (new_flags & XA_FLAG_RENDER_TARGET) + template->bind |= PIPE_BIND_RENDER_TARGET; + if (new_flags & XA_FLAG_SCANOUT) + template->bind |= PIPE_BIND_SCANOUT; + + if (copy_contents) { + if (!xa_format_type_is_color(fdesc.xa_format) || + xa_format_type(fdesc.xa_format) == xa_type_a) + return -XA_ERR_INVAL; + + if (!xa->screen->is_format_supported(xa->screen, fdesc.format, + PIPE_TEXTURE_2D, 0, 0, + template->bind | + PIPE_BIND_RENDER_TARGET)) + return -XA_ERR_INVAL; + } + + save_width = template->width0; + save_height = template->height0; + save_format = template->format; + + template->width0 = width; + template->height0 = height; + template->format = fdesc.format; + + texture = xa->screen->resource_create(xa->screen, template); + if (!texture) { + template->width0 = save_width; + template->height0 = save_height; + template->format = save_format; + return -XA_ERR_NORES; + } + + if (copy_contents) { + struct pipe_context *pipe = xa->default_ctx->pipe; + + u_box_origin_2d(xa_min(save_width, template->width0), + xa_min(save_height, template->height0), &src_box); + pipe->resource_copy_region(pipe, texture, + 0, 0, 0, 0, srf->tex, 0, &src_box); + xa_context_flush(xa->default_ctx); + } + + pipe_resource_reference(&srf->tex, texture); + pipe_resource_reference(&texture, NULL); + srf->fdesc = fdesc; + srf->flags = new_flags; + + return XA_ERR_NONE; +} + +XA_EXPORT struct xa_surface* +xa_surface_ref(struct xa_surface *srf) +{ + if (srf == NULL) { + return NULL; + } + srf->refcount++; + return srf; +} + +XA_EXPORT void +xa_surface_unref(struct xa_surface *srf) +{ + if (srf == NULL || --srf->refcount) { + return; + } + pipe_resource_reference(&srf->tex, NULL); + free(srf); +} + +XA_EXPORT void +xa_tracker_version(int *major, int *minor, int *patch) +{ + *major = XA_TRACKER_VERSION_MAJOR; + *minor = XA_TRACKER_VERSION_MINOR; + *patch = XA_TRACKER_VERSION_PATCH; +} + +XA_EXPORT int +xa_surface_handle(struct xa_surface *srf, + enum xa_handle_type type, + uint32_t * handle, unsigned int *stride) +{ + struct winsys_handle whandle; + + struct pipe_screen *screen = srf->xa->screen; + boolean res; + + memset(&whandle, 0, sizeof(whandle)); + whandle.type = handle_type(type); + res = screen->resource_get_handle(screen, srf->xa->default_ctx->pipe, + srf->tex, &whandle, + PIPE_HANDLE_USAGE_FRAMEBUFFER_WRITE); + if (!res) + return -XA_ERR_INVAL; + + *handle = whandle.handle; + *stride = whandle.stride; + + return XA_ERR_NONE; +} + +XA_EXPORT enum xa_formats +xa_surface_format(const struct xa_surface *srf) +{ + return srf->fdesc.xa_format; +} |