You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
261 lines
6.9 KiB
261 lines
6.9 KiB
#include <assert.h>
|
|
#include <GLES2/gl2.h>
|
|
#include <GLES2/gl2ext.h>
|
|
#include <stdint.h>
|
|
#include <stdlib.h>
|
|
#include <wayland-server-protocol.h>
|
|
#include <wayland-util.h>
|
|
#include <wlr/render/wlr_texture.h>
|
|
#include <wlr/render/egl.h>
|
|
#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 const struct wlr_texture_impl texture_impl;
|
|
|
|
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;
|
|
}
|
|
|
|
struct wlr_gles2_texture *get_gles2_texture_in_context(
|
|
struct wlr_texture *wlr_texture) {
|
|
struct wlr_gles2_texture *texture = gles2_get_texture(wlr_texture);
|
|
assert(wlr_egl_is_current(texture->egl));
|
|
return texture;
|
|
}
|
|
|
|
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);
|
|
*width = texture->width;
|
|
*height = texture->height;
|
|
}
|
|
|
|
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 =
|
|
get_gles2_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 wlr_gles2_pixel_format *fmt = get_gles2_format_from_wl(wl_fmt);
|
|
if (fmt == NULL) {
|
|
wlr_log(L_ERROR, "Unsupported pixel format %"PRIu32, wl_fmt);
|
|
return false;
|
|
}
|
|
|
|
// TODO: what if the unpack subimage extension isn't supported?
|
|
PUSH_GLES2_DEBUG;
|
|
|
|
glBindTexture(GL_TEXTURE_2D, texture->gl_tex);
|
|
|
|
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);
|
|
|
|
glTexSubImage2D(GL_TEXTURE_2D, 0, dst_x, dst_y, width, height,
|
|
fmt->gl_format, fmt->gl_type, data);
|
|
|
|
glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, 0);
|
|
glPixelStorei(GL_UNPACK_SKIP_PIXELS_EXT, 0);
|
|
glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, 0);
|
|
|
|
POP_GLES2_DEBUG;
|
|
return true;
|
|
}
|
|
|
|
static void gles2_texture_destroy(struct wlr_texture *wlr_texture) {
|
|
if (wlr_texture == NULL) {
|
|
return;
|
|
}
|
|
|
|
struct wlr_gles2_texture *texture = gles2_get_texture(wlr_texture);
|
|
|
|
wlr_egl_make_current(texture->egl, EGL_NO_SURFACE, NULL);
|
|
|
|
PUSH_GLES2_DEBUG;
|
|
|
|
if (texture->image_tex) {
|
|
glDeleteTextures(1, &texture->image_tex);
|
|
}
|
|
wlr_egl_destroy_image(texture->egl, texture->image);
|
|
|
|
if (texture->type == WLR_GLES2_TEXTURE_GLTEX) {
|
|
glDeleteTextures(1, &texture->gl_tex);
|
|
}
|
|
|
|
POP_GLES2_DEBUG;
|
|
|
|
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));
|
|
|
|
const struct wlr_gles2_pixel_format *fmt = get_gles2_format_from_wl(wl_fmt);
|
|
if (fmt == NULL) {
|
|
wlr_log(L_ERROR, "Unsupported pixel format %"PRIu32, wl_fmt);
|
|
return NULL;
|
|
}
|
|
|
|
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;
|
|
|
|
PUSH_GLES2_DEBUG;
|
|
|
|
glGenTextures(1, &texture->gl_tex);
|
|
glBindTexture(GL_TEXTURE_2D, texture->gl_tex);
|
|
|
|
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);
|
|
|
|
POP_GLES2_DEBUG;
|
|
return &texture->wlr_texture;
|
|
}
|
|
|
|
struct wlr_texture *wlr_gles2_texture_from_wl_drm(struct wlr_egl *egl,
|
|
struct wl_resource *data) {
|
|
assert(wlr_egl_is_current(egl));
|
|
|
|
if (!glEGLImageTargetTexture2DOES) {
|
|
return NULL;
|
|
}
|
|
|
|
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;
|
|
|
|
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;
|
|
switch (fmt) {
|
|
case EGL_TEXTURE_RGB:
|
|
case EGL_TEXTURE_RGBA:
|
|
target = GL_TEXTURE_2D;
|
|
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;
|
|
}
|
|
|
|
PUSH_GLES2_DEBUG;
|
|
|
|
glGenTextures(1, &texture->image_tex);
|
|
glBindTexture(target, texture->image_tex);
|
|
glEGLImageTargetTexture2DOES(target, texture->image);
|
|
|
|
POP_GLES2_DEBUG;
|
|
return &texture->wlr_texture;
|
|
}
|
|
|
|
#ifndef DRM_FORMAT_BIG_ENDIAN
|
|
#define DRM_FORMAT_BIG_ENDIAN 0x80000000
|
|
#endif
|
|
|
|
struct wlr_texture *wlr_gles2_texture_from_dmabuf(struct wlr_egl *egl,
|
|
struct wlr_dmabuf_attributes *attribs) {
|
|
assert(wlr_egl_is_current(egl));
|
|
|
|
if (!glEGLImageTargetTexture2DOES) {
|
|
return NULL;
|
|
}
|
|
|
|
if (!egl->exts.image_dmabuf_import_ext) {
|
|
wlr_log(L_ERROR, "Cannot create DMA-BUF texture: EGL extension "
|
|
"unavailable");
|
|
return NULL;
|
|
}
|
|
|
|
switch (attribs->format & ~DRM_FORMAT_BIG_ENDIAN) {
|
|
case WL_SHM_FORMAT_YUYV:
|
|
case WL_SHM_FORMAT_YVYU:
|
|
case WL_SHM_FORMAT_UYVY:
|
|
case WL_SHM_FORMAT_VYUY:
|
|
case WL_SHM_FORMAT_AYUV:
|
|
// TODO: YUV based formats not yet supported, require multiple images
|
|
return false;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
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_ATTRIBUTES_FLAGS_Y_INVERT) != 0;
|
|
|
|
texture->image = wlr_egl_create_image_from_dmabuf(egl, attribs);
|
|
if (texture->image == NULL) {
|
|
free(texture);
|
|
return NULL;
|
|
}
|
|
|
|
PUSH_GLES2_DEBUG;
|
|
|
|
glGenTextures(1, &texture->image_tex);
|
|
glBindTexture(GL_TEXTURE_EXTERNAL_OES, texture->image_tex);
|
|
glEGLImageTargetTexture2DOES(GL_TEXTURE_EXTERNAL_OES, texture->image);
|
|
|
|
POP_GLES2_DEBUG;
|
|
return &texture->wlr_texture;
|
|
}
|