| /* |
| * Copyright © 2016 Collabora, Ltd. |
| * |
| * 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 (including the next |
| * paragraph) 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. |
| * |
| * Author: Daniel Stone <daniels@collabora.com> |
| */ |
| |
| #include "config.h" |
| |
| #include <endian.h> |
| #include <inttypes.h> |
| #include <stdbool.h> |
| #include <unistd.h> |
| #include <drm_fourcc.h> |
| |
| #include "helpers.h" |
| #include "wayland-util.h" |
| #include "pixel-formats.h" |
| |
| #if ENABLE_EGL |
| #include <EGL/egl.h> |
| #include <EGL/eglext.h> |
| #include <GLES2/gl2.h> |
| #include <GLES2/gl2ext.h> |
| #define GL_FORMAT(fmt) .gl_format = (fmt) |
| #define GL_TYPE(type) .gl_type = (type) |
| #define SAMPLER_TYPE(type) .sampler_type = (type) |
| #else |
| #define GL_FORMAT(fmt) .gl_format = 0 |
| #define GL_TYPE(type) .gl_type = 0 |
| #define SAMPLER_TYPE(type) .sampler_type = 0 |
| #endif |
| |
| #include "weston-egl-ext.h" |
| |
| /** |
| * Table of DRM formats supported by Weston; RGB, ARGB and YUV formats are |
| * supported. Indexed/greyscale formats, and formats not containing complete |
| * colour channels, are not supported. |
| */ |
| static const struct pixel_format_info pixel_format_table[] = { |
| { |
| .format = DRM_FORMAT_XRGB4444, |
| }, |
| { |
| .format = DRM_FORMAT_ARGB4444, |
| .opaque_substitute = DRM_FORMAT_XRGB4444, |
| }, |
| { |
| .format = DRM_FORMAT_XBGR4444, |
| }, |
| { |
| .format = DRM_FORMAT_ABGR4444, |
| .opaque_substitute = DRM_FORMAT_XBGR4444, |
| }, |
| { |
| .format = DRM_FORMAT_RGBX4444, |
| # if __BYTE_ORDER == __LITTLE_ENDIAN |
| GL_FORMAT(GL_RGBA), |
| GL_TYPE(GL_UNSIGNED_SHORT_4_4_4_4), |
| #endif |
| }, |
| { |
| .format = DRM_FORMAT_RGBA4444, |
| .opaque_substitute = DRM_FORMAT_RGBX4444, |
| # if __BYTE_ORDER == __LITTLE_ENDIAN |
| GL_FORMAT(GL_RGBA), |
| GL_TYPE(GL_UNSIGNED_SHORT_4_4_4_4), |
| #endif |
| }, |
| { |
| .format = DRM_FORMAT_BGRX4444, |
| }, |
| { |
| .format = DRM_FORMAT_BGRA4444, |
| .opaque_substitute = DRM_FORMAT_BGRX4444, |
| }, |
| { |
| .format = DRM_FORMAT_XRGB1555, |
| .depth = 15, |
| .bpp = 16, |
| }, |
| { |
| .format = DRM_FORMAT_ARGB1555, |
| .opaque_substitute = DRM_FORMAT_XRGB1555, |
| }, |
| { |
| .format = DRM_FORMAT_XBGR1555, |
| }, |
| { |
| .format = DRM_FORMAT_ABGR1555, |
| .opaque_substitute = DRM_FORMAT_XBGR1555, |
| }, |
| { |
| .format = DRM_FORMAT_RGBX5551, |
| # if __BYTE_ORDER == __LITTLE_ENDIAN |
| GL_FORMAT(GL_RGBA), |
| GL_TYPE(GL_UNSIGNED_SHORT_5_5_5_1), |
| #endif |
| }, |
| { |
| .format = DRM_FORMAT_RGBA5551, |
| .opaque_substitute = DRM_FORMAT_RGBX5551, |
| # if __BYTE_ORDER == __LITTLE_ENDIAN |
| GL_FORMAT(GL_RGBA), |
| GL_TYPE(GL_UNSIGNED_SHORT_5_5_5_1), |
| #endif |
| }, |
| { |
| .format = DRM_FORMAT_BGRX5551, |
| }, |
| { |
| .format = DRM_FORMAT_BGRA5551, |
| .opaque_substitute = DRM_FORMAT_BGRX5551, |
| }, |
| { |
| .format = DRM_FORMAT_RGB565, |
| .depth = 16, |
| .bpp = 16, |
| # if __BYTE_ORDER == __LITTLE_ENDIAN |
| GL_FORMAT(GL_RGB), |
| GL_TYPE(GL_UNSIGNED_SHORT_5_6_5), |
| #endif |
| }, |
| { |
| .format = DRM_FORMAT_BGR565, |
| }, |
| { |
| .format = DRM_FORMAT_RGB888, |
| }, |
| { |
| .format = DRM_FORMAT_BGR888, |
| GL_FORMAT(GL_RGB), |
| GL_TYPE(GL_UNSIGNED_BYTE), |
| }, |
| { |
| .format = DRM_FORMAT_XRGB8888, |
| .depth = 24, |
| .bpp = 32, |
| GL_FORMAT(GL_BGRA_EXT), |
| GL_TYPE(GL_UNSIGNED_BYTE), |
| }, |
| { |
| .format = DRM_FORMAT_ARGB8888, |
| .opaque_substitute = DRM_FORMAT_XRGB8888, |
| .depth = 32, |
| .bpp = 32, |
| GL_FORMAT(GL_BGRA_EXT), |
| GL_TYPE(GL_UNSIGNED_BYTE), |
| }, |
| { |
| .format = DRM_FORMAT_XBGR8888, |
| GL_FORMAT(GL_RGBA), |
| GL_TYPE(GL_UNSIGNED_BYTE), |
| }, |
| { |
| .format = DRM_FORMAT_ABGR8888, |
| .opaque_substitute = DRM_FORMAT_XBGR8888, |
| GL_FORMAT(GL_RGBA), |
| GL_TYPE(GL_UNSIGNED_BYTE), |
| }, |
| { |
| .format = DRM_FORMAT_RGBX8888, |
| }, |
| { |
| .format = DRM_FORMAT_RGBA8888, |
| .opaque_substitute = DRM_FORMAT_RGBX8888, |
| }, |
| { |
| .format = DRM_FORMAT_BGRX8888, |
| }, |
| { |
| .format = DRM_FORMAT_BGRA8888, |
| .opaque_substitute = DRM_FORMAT_BGRX8888, |
| }, |
| { |
| .format = DRM_FORMAT_XRGB2101010, |
| .depth = 30, |
| .bpp = 32, |
| }, |
| { |
| .format = DRM_FORMAT_ARGB2101010, |
| .opaque_substitute = DRM_FORMAT_XRGB2101010, |
| }, |
| { |
| .format = DRM_FORMAT_XBGR2101010, |
| # if __BYTE_ORDER == __LITTLE_ENDIAN |
| GL_FORMAT(GL_RGBA), |
| GL_TYPE(GL_UNSIGNED_INT_2_10_10_10_REV_EXT), |
| #endif |
| }, |
| { |
| .format = DRM_FORMAT_ABGR2101010, |
| .opaque_substitute = DRM_FORMAT_XBGR2101010, |
| # if __BYTE_ORDER == __LITTLE_ENDIAN |
| GL_FORMAT(GL_RGBA), |
| GL_TYPE(GL_UNSIGNED_INT_2_10_10_10_REV_EXT), |
| #endif |
| }, |
| { |
| .format = DRM_FORMAT_RGBX1010102, |
| }, |
| { |
| .format = DRM_FORMAT_RGBA1010102, |
| .opaque_substitute = DRM_FORMAT_RGBX1010102, |
| }, |
| { |
| .format = DRM_FORMAT_BGRX1010102, |
| }, |
| { |
| .format = DRM_FORMAT_BGRA1010102, |
| .opaque_substitute = DRM_FORMAT_BGRX1010102, |
| }, |
| { |
| .format = DRM_FORMAT_YUYV, |
| SAMPLER_TYPE(EGL_TEXTURE_Y_XUXV_WL), |
| .num_planes = 1, |
| .hsub = 2, |
| }, |
| { |
| .format = DRM_FORMAT_YVYU, |
| SAMPLER_TYPE(EGL_TEXTURE_Y_XUXV_WL), |
| .num_planes = 1, |
| .chroma_order = ORDER_VU, |
| .hsub = 2, |
| }, |
| { |
| .format = DRM_FORMAT_UYVY, |
| SAMPLER_TYPE(EGL_TEXTURE_Y_XUXV_WL), |
| .num_planes = 1, |
| .luma_chroma_order = ORDER_CHROMA_LUMA, |
| .hsub = 2, |
| }, |
| { |
| .format = DRM_FORMAT_VYUY, |
| SAMPLER_TYPE(EGL_TEXTURE_Y_XUXV_WL), |
| .num_planes = 1, |
| .luma_chroma_order = ORDER_CHROMA_LUMA, |
| .chroma_order = ORDER_VU, |
| .hsub = 2, |
| }, |
| { |
| .format = DRM_FORMAT_NV12, |
| SAMPLER_TYPE(EGL_TEXTURE_Y_UV_WL), |
| .num_planes = 2, |
| .hsub = 2, |
| .vsub = 2, |
| }, |
| { |
| .format = DRM_FORMAT_NV21, |
| SAMPLER_TYPE(EGL_TEXTURE_Y_UV_WL), |
| .num_planes = 2, |
| .chroma_order = ORDER_VU, |
| .hsub = 2, |
| .vsub = 2, |
| }, |
| { |
| .format = DRM_FORMAT_NV16, |
| SAMPLER_TYPE(EGL_TEXTURE_Y_UV_WL), |
| .num_planes = 2, |
| .hsub = 2, |
| .vsub = 1, |
| }, |
| { |
| .format = DRM_FORMAT_NV61, |
| SAMPLER_TYPE(EGL_TEXTURE_Y_UV_WL), |
| .num_planes = 2, |
| .chroma_order = ORDER_VU, |
| .hsub = 2, |
| .vsub = 1, |
| }, |
| { |
| .format = DRM_FORMAT_NV24, |
| SAMPLER_TYPE(EGL_TEXTURE_Y_UV_WL), |
| .num_planes = 2, |
| }, |
| { |
| .format = DRM_FORMAT_NV42, |
| SAMPLER_TYPE(EGL_TEXTURE_Y_UV_WL), |
| .num_planes = 2, |
| .chroma_order = ORDER_VU, |
| }, |
| { |
| .format = DRM_FORMAT_YUV410, |
| SAMPLER_TYPE(EGL_TEXTURE_Y_U_V_WL), |
| .num_planes = 3, |
| .hsub = 4, |
| .vsub = 4, |
| }, |
| { |
| .format = DRM_FORMAT_YVU410, |
| SAMPLER_TYPE(EGL_TEXTURE_Y_U_V_WL), |
| .num_planes = 3, |
| .chroma_order = ORDER_VU, |
| .hsub = 4, |
| .vsub = 4, |
| }, |
| { |
| .format = DRM_FORMAT_YUV411, |
| SAMPLER_TYPE(EGL_TEXTURE_Y_U_V_WL), |
| .num_planes = 3, |
| .hsub = 4, |
| .vsub = 1, |
| }, |
| { |
| .format = DRM_FORMAT_YVU411, |
| SAMPLER_TYPE(EGL_TEXTURE_Y_U_V_WL), |
| .num_planes = 3, |
| .chroma_order = ORDER_VU, |
| .hsub = 4, |
| .vsub = 1, |
| }, |
| { |
| .format = DRM_FORMAT_YUV420, |
| SAMPLER_TYPE(EGL_TEXTURE_Y_U_V_WL), |
| .num_planes = 3, |
| .hsub = 2, |
| .vsub = 2, |
| }, |
| { |
| .format = DRM_FORMAT_YVU420, |
| SAMPLER_TYPE(EGL_TEXTURE_Y_U_V_WL), |
| .num_planes = 3, |
| .chroma_order = ORDER_VU, |
| .hsub = 2, |
| .vsub = 2, |
| }, |
| { |
| .format = DRM_FORMAT_YUV422, |
| SAMPLER_TYPE(EGL_TEXTURE_Y_U_V_WL), |
| .num_planes = 3, |
| .hsub = 2, |
| .vsub = 1, |
| }, |
| { |
| .format = DRM_FORMAT_YVU422, |
| SAMPLER_TYPE(EGL_TEXTURE_Y_U_V_WL), |
| .num_planes = 3, |
| .chroma_order = ORDER_VU, |
| .hsub = 2, |
| .vsub = 1, |
| }, |
| { |
| .format = DRM_FORMAT_YUV444, |
| SAMPLER_TYPE(EGL_TEXTURE_Y_U_V_WL), |
| .num_planes = 3, |
| }, |
| { |
| .format = DRM_FORMAT_YVU444, |
| SAMPLER_TYPE(EGL_TEXTURE_Y_U_V_WL), |
| .num_planes = 3, |
| .chroma_order = ORDER_VU, |
| }, |
| }; |
| |
| WL_EXPORT const struct pixel_format_info * |
| pixel_format_get_info(uint32_t format) |
| { |
| unsigned int i; |
| |
| for (i = 0; i < ARRAY_LENGTH(pixel_format_table); i++) { |
| if (pixel_format_table[i].format == format) |
| return &pixel_format_table[i]; |
| } |
| |
| return NULL; |
| } |
| |
| WL_EXPORT unsigned int |
| pixel_format_get_plane_count(const struct pixel_format_info *info) |
| { |
| return info->num_planes ? info->num_planes : 1; |
| } |
| |
| WL_EXPORT bool |
| pixel_format_is_opaque(const struct pixel_format_info *info) |
| { |
| return !info->opaque_substitute; |
| } |
| |
| WL_EXPORT const struct pixel_format_info * |
| pixel_format_get_opaque_substitute(const struct pixel_format_info *info) |
| { |
| if (!info->opaque_substitute) |
| return info; |
| else |
| return pixel_format_get_info(info->opaque_substitute); |
| } |
| |
| WL_EXPORT unsigned int |
| pixel_format_width_for_plane(const struct pixel_format_info *info, |
| unsigned int plane, |
| unsigned int width) |
| { |
| /* We don't support any formats where the first plane is subsampled. */ |
| if (plane == 0 || !info->hsub) |
| return width; |
| |
| return width / info->hsub; |
| } |
| |
| WL_EXPORT unsigned int |
| pixel_format_height_for_plane(const struct pixel_format_info *info, |
| unsigned int plane, |
| unsigned int height) |
| { |
| /* We don't support any formats where the first plane is subsampled. */ |
| if (plane == 0 || !info->vsub) |
| return height; |
| |
| return height / info->vsub; |
| } |
