diff options
Diffstat (limited to 'render/gles2/texture.c')
| -rw-r--r-- | render/gles2/texture.c | 442 |
1 files changed, 157 insertions, 285 deletions
diff --git a/render/gles2/texture.c b/render/gles2/texture.c index 46193c78..45169daf 100644 --- a/render/gles2/texture.c +++ b/render/gles2/texture.c @@ -10,366 +10,238 @@ #include <wlr/render/interface.h> #include <wlr/types/wlr_matrix.h> #include <wlr/util/log.h> +#include "glapi.h" #include "render/gles2.h" #include "util/signal.h" -static struct gles2_pixel_format external_pixel_format = { - .wl_format = 0, - .depth = 0, - .bpp = 0, - .gl_format = 0, - .gl_type = 0, -}; - -static void gles2_texture_ensure(struct wlr_gles2_texture *texture, - GLenum target) { - if (texture->tex_id) { - return; - } - texture->target = target; - glGenTextures(1, &texture->tex_id); - glBindTexture(target, texture->tex_id); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); -} - static const struct wlr_texture_impl texture_impl; -struct wlr_gles2_texture *gles2_get_texture(struct wlr_texture *wlr_texture) { +static struct wlr_gles2_texture *gles2_get_texture( + struct wlr_texture *wlr_texture) { assert(wlr_texture->impl == &texture_impl); return (struct wlr_gles2_texture *)wlr_texture; } -static bool gles2_texture_upload_pixels(struct wlr_texture *wlr_texture, - enum wl_shm_format format, int stride, int width, int height, - const unsigned char *pixels) { +struct wlr_gles2_texture *gles2_get_texture_in_context( + struct wlr_texture *wlr_texture) { struct wlr_gles2_texture *texture = gles2_get_texture(wlr_texture); - - const struct gles2_pixel_format *fmt = gles2_format_from_wl(format); - if (!fmt || !fmt->gl_format) { - wlr_log(L_ERROR, "No supported pixel format for this texture"); - return false; - } - texture->wlr_texture.width = width; - texture->wlr_texture.height = height; - texture->wlr_texture.format = format; - texture->pixel_format = fmt; - - GLES2_DEBUG_PUSH; - gles2_texture_ensure(texture, GL_TEXTURE_2D); - glBindTexture(GL_TEXTURE_2D, texture->tex_id); - glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, stride); - glTexImage2D(GL_TEXTURE_2D, 0, fmt->gl_format, width, height, 0, - fmt->gl_format, fmt->gl_type, pixels); - GLES2_DEBUG_POP; - - texture->wlr_texture.valid = true; - return true; + assert(wlr_egl_is_current(texture->egl)); + return texture; } -static bool gles2_texture_update_pixels(struct wlr_texture *wlr_texture, - enum wl_shm_format format, int stride, int x, int y, - int width, int height, const unsigned char *pixels) { +static void gles2_texture_get_size(struct wlr_texture *wlr_texture, int *width, + int *height) { struct wlr_gles2_texture *texture = gles2_get_texture(wlr_texture); - - // TODO: Test if the unpack subimage extension is supported and adjust the - // upload strategy if not - if (!texture->wlr_texture.valid - || texture->wlr_texture.format != format - /* || unpack not supported */) { - return gles2_texture_upload_pixels(&texture->wlr_texture, format, - stride, width, height, pixels); - } - const struct gles2_pixel_format *fmt = texture->pixel_format; - GLES2_DEBUG_PUSH; - glBindTexture(GL_TEXTURE_2D, texture->tex_id); - glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, stride); - glPixelStorei(GL_UNPACK_SKIP_PIXELS_EXT, x); - glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, y); - glTexSubImage2D(GL_TEXTURE_2D, 0, x, y, width, height, fmt->gl_format, - fmt->gl_type, pixels); - glPixelStorei(GL_UNPACK_SKIP_PIXELS_EXT, 0); - glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, 0); - GLES2_DEBUG_POP; - return true; + *width = texture->width; + *height = texture->height; } -static bool gles2_texture_upload_shm(struct wlr_texture *wlr_texture, - uint32_t format, struct wl_shm_buffer *buffer) { - struct wlr_gles2_texture *texture = gles2_get_texture(wlr_texture); +static bool gles2_texture_write_pixels(struct wlr_texture *wlr_texture, + enum wl_shm_format wl_fmt, uint32_t stride, uint32_t width, + uint32_t height, uint32_t src_x, uint32_t src_y, uint32_t dst_x, + uint32_t dst_y, const void *data) { + struct wlr_gles2_texture *texture = + gles2_get_texture_in_context(wlr_texture); + + if (texture->type != WLR_GLES2_TEXTURE_GLTEX) { + wlr_log(L_ERROR, "Cannot write pixels to immutable texture"); + return false; + } - const struct gles2_pixel_format *fmt = gles2_format_from_wl(format); - if (!fmt || !fmt->gl_format) { - wlr_log(L_ERROR, "Unsupported pixel format %"PRIu32" for this texture", - format); + const struct gles2_pixel_format *fmt = gles2_format_from_wl(wl_fmt); + if (fmt == NULL) { + wlr_log(L_ERROR, "Unsupported pixel format %"PRIu32, wl_fmt); return false; } - wl_shm_buffer_begin_access(buffer); - uint8_t *pixels = wl_shm_buffer_get_data(buffer); - int width = wl_shm_buffer_get_width(buffer); - int height = wl_shm_buffer_get_height(buffer); - int pitch = wl_shm_buffer_get_stride(buffer) / (fmt->bpp / 8); - texture->wlr_texture.width = width; - texture->wlr_texture.height = height; - texture->wlr_texture.format = format; - texture->pixel_format = fmt; + // TODO: what if the unpack subimage extension isn't supported? GLES2_DEBUG_PUSH; - gles2_texture_ensure(texture, GL_TEXTURE_2D); - glBindTexture(GL_TEXTURE_2D, texture->tex_id); - glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, pitch); - glPixelStorei(GL_UNPACK_SKIP_PIXELS_EXT, 0); - glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, 0); - glTexImage2D(GL_TEXTURE_2D, 0, fmt->gl_format, width, height, 0, - fmt->gl_format, fmt->gl_type, pixels); - GLES2_DEBUG_POP; - texture->wlr_texture.valid = true; - wl_shm_buffer_end_access(buffer); - return true; -} + glBindTexture(GL_TEXTURE_2D, texture->gl_tex); -static bool gles2_texture_update_shm(struct wlr_texture *wlr_texture, - uint32_t format, int x, int y, int width, int height, - struct wl_shm_buffer *buffer) { - struct wlr_gles2_texture *texture = gles2_get_texture(wlr_texture); + glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, stride / (fmt->bpp / 8)); + glPixelStorei(GL_UNPACK_SKIP_PIXELS_EXT, src_x); + glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, src_y); - // TODO: Test if the unpack subimage extension is supported and adjust the - // upload strategy if not - assert(texture); - if (!texture->wlr_texture.valid - || texture->wlr_texture.format != format - /* || unpack not supported */) { - return gles2_texture_upload_shm(&texture->wlr_texture, format, buffer); - } - const struct gles2_pixel_format *fmt = texture->pixel_format; - wl_shm_buffer_begin_access(buffer); - uint8_t *pixels = wl_shm_buffer_get_data(buffer); - int pitch = wl_shm_buffer_get_stride(buffer) / (fmt->bpp / 8); + glTexSubImage2D(GL_TEXTURE_2D, 0, dst_x, dst_y, width, height, + fmt->gl_format, fmt->gl_type, data); - GLES2_DEBUG_PUSH; - glBindTexture(GL_TEXTURE_2D, texture->tex_id); - glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, pitch); - glPixelStorei(GL_UNPACK_SKIP_PIXELS_EXT, x); - glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, y); - glTexSubImage2D(GL_TEXTURE_2D, 0, x, y, width, height, - fmt->gl_format, fmt->gl_type, pixels); + glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, 0); glPixelStorei(GL_UNPACK_SKIP_PIXELS_EXT, 0); glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, 0); - GLES2_DEBUG_POP; - - wl_shm_buffer_end_access(buffer); + GLES2_DEBUG_POP; return true; } -static bool gles2_texture_upload_drm(struct wlr_texture *wlr_texture, - struct wl_resource *buf) { - struct wlr_gles2_texture *tex = gles2_get_texture(wlr_texture); - if (!glEGLImageTargetTexture2DOES) { - return false; +static void gles2_texture_destroy(struct wlr_texture *wlr_texture) { + if (wlr_texture == NULL) { + return; } - EGLint format; - if (!wlr_egl_query_buffer(tex->egl, buf, EGL_TEXTURE_FORMAT, &format)) { - wlr_log(L_INFO, "upload_drm called with no drm buffer"); - return false; - } + struct wlr_gles2_texture *texture = gles2_get_texture(wlr_texture); - wlr_egl_query_buffer(tex->egl, buf, EGL_WIDTH, - (EGLint*)&tex->wlr_texture.width); - wlr_egl_query_buffer(tex->egl, buf, EGL_HEIGHT, - (EGLint*)&tex->wlr_texture.height); + wlr_egl_make_current(texture->egl, EGL_NO_SURFACE, NULL); + + GLES2_DEBUG_PUSH; - EGLint inverted_y; - if (wlr_egl_query_buffer(tex->egl, buf, EGL_WAYLAND_Y_INVERTED_WL, - &inverted_y)) { - tex->wlr_texture.inverted_y = !!inverted_y; + if (texture->image_tex) { + glDeleteTextures(1, &texture->image_tex); + } + if (texture->image) { + assert(eglDestroyImageKHR); + wlr_egl_destroy_image(texture->egl, texture->image); } - GLenum target; - const struct gles2_pixel_format *pf; - switch (format) { - case EGL_TEXTURE_RGB: - case EGL_TEXTURE_RGBA: - target = GL_TEXTURE_2D; - pf = gles2_format_from_wl(WL_SHM_FORMAT_ARGB8888); - break; - case EGL_TEXTURE_EXTERNAL_WL: - target = GL_TEXTURE_EXTERNAL_OES; - pf = &external_pixel_format; - break; - default: - wlr_log(L_ERROR, "invalid/unsupported egl buffer format"); - return false; + if (texture->type == WLR_GLES2_TEXTURE_GLTEX) { + glDeleteTextures(1, &texture->gl_tex); } - GLES2_DEBUG_PUSH; - gles2_texture_ensure(tex, target); - glBindTexture(GL_TEXTURE_2D, tex->tex_id); GLES2_DEBUG_POP; - EGLint attribs[] = { EGL_WAYLAND_PLANE_WL, 0, EGL_NONE }; + free(texture); +} + +static const struct wlr_texture_impl texture_impl = { + .get_size = gles2_texture_get_size, + .write_pixels = gles2_texture_write_pixels, + .destroy = gles2_texture_destroy, +}; + +struct wlr_texture *wlr_gles2_texture_from_pixels(struct wlr_egl *egl, + enum wl_shm_format wl_fmt, uint32_t stride, uint32_t width, + uint32_t height, const void *data) { + assert(wlr_egl_is_current(egl)); - if (tex->image) { - wlr_egl_destroy_image(tex->egl, tex->image); + const struct gles2_pixel_format *fmt = gles2_format_from_wl(wl_fmt); + if (fmt == NULL) { + wlr_log(L_ERROR, "Unsupported pixel format %"PRIu32, wl_fmt); + return NULL; } - tex->image = wlr_egl_create_image(tex->egl, EGL_WAYLAND_BUFFER_WL, - (EGLClientBuffer*) buf, attribs); - if (!tex->image) { - wlr_log(L_ERROR, "failed to create EGL image"); - return false; + struct wlr_gles2_texture *texture = + calloc(1, sizeof(struct wlr_gles2_texture)); + if (texture == NULL) { + wlr_log(L_ERROR, "Allocation failed"); + return NULL; } + wlr_texture_init(&texture->wlr_texture, &texture_impl); + texture->egl = egl; + texture->width = width; + texture->height = height; + texture->type = WLR_GLES2_TEXTURE_GLTEX; + texture->has_alpha = fmt->has_alpha; GLES2_DEBUG_PUSH; - glActiveTexture(GL_TEXTURE0); - glBindTexture(target, tex->tex_id); - glEGLImageTargetTexture2DOES(target, tex->image); - GLES2_DEBUG_POP; - tex->wlr_texture.valid = true; - tex->pixel_format = pf; - - return true; -} -static bool gles2_texture_upload_eglimage(struct wlr_texture *wlr_texture, - EGLImageKHR image, uint32_t width, uint32_t height) { - struct wlr_gles2_texture *tex = gles2_get_texture(wlr_texture); + glGenTextures(1, &texture->gl_tex); + glBindTexture(GL_TEXTURE_2D, texture->gl_tex); - tex->image = image; - tex->pixel_format = &external_pixel_format; - tex->wlr_texture.valid = true; - tex->wlr_texture.width = width; - tex->wlr_texture.height = height; + glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, stride / (fmt->bpp / 8)); + glTexImage2D(GL_TEXTURE_2D, 0, fmt->gl_format, width, height, 0, + fmt->gl_format, fmt->gl_type, data); + glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, 0); - GLES2_DEBUG_PUSH; - gles2_texture_ensure(tex, GL_TEXTURE_2D); - glActiveTexture(GL_TEXTURE0); - glBindTexture(GL_TEXTURE_EXTERNAL_OES, tex->tex_id); - glEGLImageTargetTexture2DOES(GL_TEXTURE_EXTERNAL_OES, tex->image); GLES2_DEBUG_POP; - - return true; + return &texture->wlr_texture; } -static bool gles2_texture_upload_dmabuf(struct wlr_texture *wlr_texture, - struct wl_resource *dmabuf_resource) { - struct wlr_gles2_texture *tex = gles2_get_texture(wlr_texture); - struct wlr_dmabuf_buffer *dmabuf = - wlr_dmabuf_buffer_from_buffer_resource(dmabuf_resource); +struct wlr_texture *wlr_gles2_texture_from_wl_drm(struct wlr_egl *egl, + struct wl_resource *data) { + assert(wlr_egl_is_current(egl)); - if (!tex->egl->egl_exts.dmabuf_import) { - wlr_log(L_ERROR, "Want dmabuf but extension not present"); - return false; + if (!glEGLImageTargetTexture2DOES) { + return NULL; } - tex->wlr_texture.width = dmabuf->attributes.width; - tex->wlr_texture.height = dmabuf->attributes.height; - - if (tex->image) { - wlr_egl_destroy_image(tex->egl, tex->image); + struct wlr_gles2_texture *texture = + calloc(1, sizeof(struct wlr_gles2_texture)); + if (texture == NULL) { + wlr_log(L_ERROR, "Allocation failed"); + return NULL; } + wlr_texture_init(&texture->wlr_texture, &texture_impl); + texture->egl = egl; + texture->wl_drm = data; - if (wlr_dmabuf_buffer_has_inverted_y(dmabuf)) { - wlr_texture->inverted_y = true; + EGLint fmt; + texture->image = wlr_egl_create_image_from_wl_drm(egl, data, &fmt, + &texture->width, &texture->height, &texture->inverted_y); + if (texture->image == NULL) { + free(texture); + return NULL; } GLenum target; - const struct gles2_pixel_format *pf; - if (dmabuf->attributes.n_planes > 1) { - target = GL_TEXTURE_EXTERNAL_OES; - pf = &external_pixel_format; - } else { + switch (fmt) { + case EGL_TEXTURE_RGB: + case EGL_TEXTURE_RGBA: target = GL_TEXTURE_2D; - pf = gles2_format_from_wl(WL_SHM_FORMAT_ARGB8888); - } - GLES2_DEBUG_PUSH; - gles2_texture_ensure(tex, target); - glBindTexture(target, tex->tex_id); - tex->image = wlr_egl_create_image_from_dmabuf(tex->egl, &dmabuf->attributes); - glActiveTexture(GL_TEXTURE0); - glEGLImageTargetTexture2DOES(target, tex->image); - GLES2_DEBUG_POP; - tex->pixel_format = pf; - tex->wlr_texture.valid = true; - return true; -} - -static bool gles2_texture_get_dmabuf_size(struct wlr_texture *texture, struct - wl_resource *resource, int *width, int *height) { - if (!wlr_dmabuf_resource_is_buffer(resource)) { - return false; + texture->type = WLR_GLES2_TEXTURE_WL_DRM_GL; + texture->has_alpha = fmt == EGL_TEXTURE_RGBA; + break; + case EGL_TEXTURE_EXTERNAL_WL: + target = GL_TEXTURE_EXTERNAL_OES; + texture->type = WLR_GLES2_TEXTURE_WL_DRM_EXT; + texture->has_alpha = true; + break; + default: + wlr_log(L_ERROR, "Invalid or unsupported EGL buffer format"); + free(texture); + return NULL; } - struct wlr_dmabuf_buffer *dmabuf = - wlr_dmabuf_buffer_from_buffer_resource(resource); - *width = dmabuf->attributes.width; - *height = dmabuf->attributes.height; - return true; -} + GLES2_DEBUG_PUSH; -static void gles2_texture_get_buffer_size(struct wlr_texture *texture, - struct wl_resource *resource, int *width, int *height) { - struct wl_shm_buffer *buffer = wl_shm_buffer_get(resource); - if (!buffer) { - struct wlr_gles2_texture *tex = (struct wlr_gles2_texture *)texture; - if (!glEGLImageTargetTexture2DOES) { - return; - } - if (!wlr_egl_query_buffer(tex->egl, resource, EGL_WIDTH, - (EGLint*)width)) { - if (!gles2_texture_get_dmabuf_size(texture, resource, width, - height)) { - wlr_log(L_ERROR, "could not get size of the buffer"); - return; - } - } - wlr_egl_query_buffer(tex->egl, resource, EGL_HEIGHT, (EGLint*)height); + glGenTextures(1, &texture->image_tex); + glBindTexture(target, texture->image_tex); + glEGLImageTargetTexture2DOES(target, texture->image); - return; - } - - *width = wl_shm_buffer_get_width(buffer); - *height = wl_shm_buffer_get_height(buffer); + GLES2_DEBUG_POP; + return &texture->wlr_texture; } -static void gles2_texture_destroy(struct wlr_texture *wlr_texture) { - struct wlr_gles2_texture *texture = gles2_get_texture(wlr_texture); +struct wlr_texture *wlr_gles2_texture_from_dmabuf(struct wlr_egl *egl, + struct wlr_dmabuf_buffer_attribs *attribs) { + assert(wlr_egl_is_current(egl)); - wlr_signal_emit_safe(&texture->wlr_texture.destroy_signal, - &texture->wlr_texture); - if (texture->tex_id) { - GLES2_DEBUG_PUSH; - glDeleteTextures(1, &texture->tex_id); - GLES2_DEBUG_POP; + if (!glEGLImageTargetTexture2DOES) { + return NULL; } - if (texture->image) { - wlr_egl_destroy_image(texture->egl, texture->image); + if (!egl->egl_exts.dmabuf_import) { + wlr_log(L_ERROR, "Cannot create DMA-BUF texture: EGL extension " + "unavailable"); + return NULL; } - free(texture); -} - -static const struct wlr_texture_impl texture_impl = { - .upload_pixels = gles2_texture_upload_pixels, - .update_pixels = gles2_texture_update_pixels, - .upload_shm = gles2_texture_upload_shm, - .update_shm = gles2_texture_update_shm, - .upload_drm = gles2_texture_upload_drm, - .upload_dmabuf = gles2_texture_upload_dmabuf, - .upload_eglimage = gles2_texture_upload_eglimage, - .get_buffer_size = gles2_texture_get_buffer_size, - .destroy = gles2_texture_destroy, -}; - -struct wlr_texture *gles2_texture_create(struct wlr_egl *egl) { - struct wlr_gles2_texture *texture; - if (!(texture = calloc(1, sizeof(struct wlr_gles2_texture)))) { + struct wlr_gles2_texture *texture = + calloc(1, sizeof(struct wlr_gles2_texture)); + if (texture == NULL) { + wlr_log(L_ERROR, "Allocation failed"); return NULL; } wlr_texture_init(&texture->wlr_texture, &texture_impl); texture->egl = egl; + texture->width = attribs->width; + texture->height = attribs->height; + texture->type = WLR_GLES2_TEXTURE_DMABUF; + texture->has_alpha = true; + texture->inverted_y = + (attribs->flags & WLR_DMABUF_BUFFER_ATTRIBS_FLAGS_Y_INVERT) != 0; + + texture->image = wlr_egl_create_image_from_dmabuf(egl, attribs); + if (texture->image == NULL) { + free(texture); + return NULL; + } + + GLES2_DEBUG_PUSH; + + glGenTextures(1, &texture->image_tex); + glBindTexture(GL_TEXTURE_EXTERNAL_OES, texture->image_tex); + glEGLImageTargetTexture2DOES(GL_TEXTURE_EXTERNAL_OES, texture->image); + + GLES2_DEBUG_POP; return &texture->wlr_texture; } |