From 00a03d2f724512f4c42fc2bd0de9c9dcecf6d875 Mon Sep 17 00:00:00 2001 From: Vincent Abriou Date: Wed, 5 Oct 2016 14:54:35 +0200 Subject: [PATCH] gl-renderer: add support of WL_SHM_FORMAT_NV12 This patch allow gl-renderer to accept WL_SHM_FORMAT_NV12 buffers. Signed-off-by: Vincent Abriou Reviewed-by: Daniel Stone --- libweston/gl-renderer.c | 58 +++++++++++++++++++++++++++++++++++-------------- 1 file changed, 42 insertions(+), 16 deletions(-) diff --git a/libweston/gl-renderer.c b/libweston/gl-renderer.c index 6b08b6b..9747de5 100644 --- a/libweston/gl-renderer.c +++ b/libweston/gl-renderer.c @@ -147,7 +147,7 @@ struct gl_surface_state { /* These are only used by SHM surfaces to detect when we need * to do a full upload to specify a new internal texture * format */ - GLenum gl_format; + GLenum gl_format[3]; GLenum gl_pixel_type; struct egl_image* images[3]; @@ -1270,11 +1270,11 @@ gl_renderer_flush_damage(struct weston_surface *surface) for (j = 0; j < gs->num_textures; j++) { glBindTexture(GL_TEXTURE_2D, gs->textures[j]); glTexImage2D(GL_TEXTURE_2D, 0, - gs->gl_format, + gs->gl_format[j], gs->pitch / gs->hvsub[j], buffer->height / gs->hvsub[j], 0, - gs->gl_format, + gs->gl_format[j], gs->gl_pixel_type, data + gs->offset[j]); } @@ -1292,11 +1292,11 @@ gl_renderer_flush_damage(struct weston_surface *surface) for (j = 0; j < gs->num_textures; j++) { glBindTexture(GL_TEXTURE_2D, gs->textures[j]); glTexImage2D(GL_TEXTURE_2D, 0, - gs->gl_format, + gs->gl_format[j], gs->pitch / gs->hvsub[j], buffer->height / gs->hvsub[j], 0, - gs->gl_format, + gs->gl_format[j], gs->gl_pixel_type, data + gs->offset[j]); } @@ -1320,7 +1320,7 @@ gl_renderer_flush_damage(struct weston_surface *surface) r.y1 / gs->hvsub[j], (r.x2 - r.x1) / gs->hvsub[j], (r.y2 - r.y1) / gs->hvsub[j], - gs->gl_format, + gs->gl_format[j], gs->gl_pixel_type, data + gs->offset[j]); } @@ -1362,7 +1362,8 @@ gl_renderer_attach_shm(struct weston_surface *es, struct weston_buffer *buffer, struct weston_compositor *ec = es->compositor; struct gl_renderer *gr = get_renderer(ec); struct gl_surface_state *gs = get_surface_state(es); - GLenum gl_format, gl_pixel_type; + GLenum gl_format[3] = {0, 0, 0}; + GLenum gl_pixel_type; int pitch; int num_planes; @@ -1378,28 +1379,24 @@ gl_renderer_attach_shm(struct weston_surface *es, struct weston_buffer *buffer, case WL_SHM_FORMAT_XRGB8888: gs->shader = &gr->texture_shader_rgbx; pitch = wl_shm_buffer_get_stride(shm_buffer) / 4; - gl_format = GL_BGRA_EXT; + gl_format[0] = GL_BGRA_EXT; gl_pixel_type = GL_UNSIGNED_BYTE; break; case WL_SHM_FORMAT_ARGB8888: gs->shader = &gr->texture_shader_rgba; pitch = wl_shm_buffer_get_stride(shm_buffer) / 4; - gl_format = GL_BGRA_EXT; + gl_format[0] = GL_BGRA_EXT; gl_pixel_type = GL_UNSIGNED_BYTE; break; case WL_SHM_FORMAT_RGB565: gs->shader = &gr->texture_shader_rgbx; pitch = wl_shm_buffer_get_stride(shm_buffer) / 2; - gl_format = GL_RGB; + gl_format[0] = GL_RGB; gl_pixel_type = GL_UNSIGNED_SHORT_5_6_5; break; case WL_SHM_FORMAT_YUV420: gs->shader = &gr->texture_shader_y_u_v; pitch = wl_shm_buffer_get_stride(shm_buffer); - if (gr->has_gl_texture_rg) - gl_format = GL_R8_EXT; - else - gl_format = GL_LUMINANCE; gl_pixel_type = GL_UNSIGNED_BYTE; num_planes = 3; gs->offset[1] = gs->offset[0] + (pitch / gs->hvsub[0]) * @@ -1408,6 +1405,30 @@ gl_renderer_attach_shm(struct weston_surface *es, struct weston_buffer *buffer, gs->offset[2] = gs->offset[1] + (pitch / gs->hvsub[1]) * (buffer->height / gs->hvsub[1]); gs->hvsub[2] = 2; + if (gr->has_gl_texture_rg) { + gl_format[0] = GL_R8_EXT; + gl_format[1] = GL_R8_EXT; + gl_format[2] = GL_R8_EXT; + } else { + gl_format[0] = GL_LUMINANCE; + gl_format[1] = GL_LUMINANCE; + gl_format[2] = GL_LUMINANCE; + } + break; + case WL_SHM_FORMAT_NV12: + gs->shader = &gr->texture_shader_y_xuxv; + pitch = wl_shm_buffer_get_stride(shm_buffer); + gl_pixel_type = GL_UNSIGNED_BYTE; + num_planes = 2; + gs->offset[1] = gs->offset[0] + (pitch / gs->hvsub[0]) * (buffer->height / gs->hvsub[0]); + gs->hvsub[1] = 2; + if (gr->has_gl_texture_rg) { + gl_format[0] = GL_R8_EXT; + gl_format[1] = GL_RG8_EXT; + } else { + gl_format[0] = GL_LUMINANCE; + gl_format[1] = GL_LUMINANCE_ALPHA; + } break; default: weston_log("warning: unknown shm buffer format: %08x\n", @@ -1420,13 +1441,17 @@ gl_renderer_attach_shm(struct weston_surface *es, struct weston_buffer *buffer, * happening, we need to allocate a new texture buffer. */ if (pitch != gs->pitch || buffer->height != gs->height || - gl_format != gs->gl_format || + gl_format[0] != gs->gl_format[0] || + gl_format[1] != gs->gl_format[1] || + gl_format[2] != gs->gl_format[2] || gl_pixel_type != gs->gl_pixel_type || gs->buffer_type != BUFFER_TYPE_SHM) { gs->pitch = pitch; gs->height = buffer->height; gs->target = GL_TEXTURE_2D; - gs->gl_format = gl_format; + gs->gl_format[0] = gl_format[0]; + gs->gl_format[1] = gl_format[1]; + gs->gl_format[2] = gl_format[2]; gs->gl_pixel_type = gl_pixel_type; gs->buffer_type = BUFFER_TYPE_SHM; gs->needs_full_upload = true; @@ -3059,6 +3084,7 @@ gl_renderer_create(struct weston_compositor *ec, EGLenum platform, wl_display_add_shm_format(ec->wl_display, WL_SHM_FORMAT_RGB565); wl_display_add_shm_format(ec->wl_display, WL_SHM_FORMAT_YUV420); + wl_display_add_shm_format(ec->wl_display, WL_SHM_FORMAT_NV12); wl_signal_init(&gr->destroy_signal); -- 2.7.4