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-rw-r--r--render/gles2/renderer.c28
-rw-r--r--render/gles2/shaders.c10
-rw-r--r--render/gles2/texture.c82
-rw-r--r--render/wlr_texture.c5
4 files changed, 122 insertions, 3 deletions
diff --git a/render/gles2/renderer.c b/render/gles2/renderer.c
index 7d0db8b3..729eaa75 100644
--- a/render/gles2/renderer.c
+++ b/render/gles2/renderer.c
@@ -2,14 +2,17 @@
#include <stdlib.h>
#include <assert.h>
#include <GLES2/gl2.h>
+#include <GLES2/gl2ext.h>
#include <wayland-util.h>
#include <wayland-server-protocol.h>
#include <wlr/render.h>
#include <wlr/render/interface.h>
#include <wlr/render/matrix.h>
#include <wlr/util/log.h>
+#include "backend/egl.h"
#include "render/gles2.h"
+PFNGLEGLIMAGETARGETTEXTURE2DOESPROC glEGLImageTargetTexture2DOES = NULL;
struct shaders shaders;
static bool compile_shader(GLuint type, const GLchar *src, GLuint *shader) {
@@ -65,13 +68,36 @@ static void init_default_shaders() {
if (!compile_program(quad_vertex_src, ellipse_fragment_src, &shaders.ellipse)) {
goto error;
}
+ if (glEGLImageTargetTexture2DOES) {
+ if (!compile_program(quad_vertex_src, fragment_src_external, &shaders.external)) {
+ goto error;
+ }
+ }
+
wlr_log(L_DEBUG, "Compiled default shaders");
return;
error:
wlr_log(L_ERROR, "Failed to set up default shaders!");
}
+static void init_image_ext() {
+ if (glEGLImageTargetTexture2DOES)
+ return;
+
+ const char *exts = (const char*) glGetString(GL_EXTENSIONS);
+ if (strstr(exts, "GL_OES_EGL_image_external")) {
+ glEGLImageTargetTexture2DOES = (PFNGLEGLIMAGETARGETTEXTURE2DOESPROC)
+ eglGetProcAddress("glEGLImageTargetTexture2DOES");
+ }
+
+ if (!glEGLImageTargetTexture2DOES) {
+ wlr_log(L_INFO, "Failed to load glEGLImageTargetTexture2DOES "
+ "Will not be able to attach drm buffers");
+ }
+}
+
static void init_globals() {
+ init_image_ext();
init_default_shaders();
}
@@ -179,7 +205,7 @@ static struct wlr_renderer_impl wlr_renderer_impl = {
.destroy = wlr_gles2_destroy
};
-struct wlr_renderer *wlr_gles2_renderer_init() {
+struct wlr_renderer *wlr_gles2_renderer_init(struct wlr_egl *egl) {
init_globals();
return wlr_renderer_init(NULL, &wlr_renderer_impl);
}
diff --git a/render/gles2/shaders.c b/render/gles2/shaders.c
index f5e61dd6..c1db6e20 100644
--- a/render/gles2/shaders.c
+++ b/render/gles2/shaders.c
@@ -90,3 +90,13 @@ const GLchar fragment_src_rgbx[] =
" gl_FragColor.rgb = alpha * texture2D(tex, v_texcoord).rgb;"
" gl_FragColor.a = alpha;"
"}";
+
+const GLchar fragment_src_external[] =
+"#extension GL_OES_EGL_image_external : require\n"
+"precision mediump float;"
+"uniform samplerExternalOES texture0;"
+"varying vec2 v_uv;"
+"void main() {"
+" vec4 col = texture2D(texture0, v_uv);"
+" gl_FragColor = vec4(col.rgb, col.a);"
+"}";
diff --git a/render/gles2/texture.c b/render/gles2/texture.c
index f29f54a3..17c41957 100644
--- a/render/gles2/texture.c
+++ b/render/gles2/texture.c
@@ -10,6 +10,26 @@
#include <wlr/render/matrix.h>
#include <wlr/util/log.h>
#include "render/gles2.h"
+#include "backend/egl.h"
+
+static struct pixel_format external_pixel_format = {
+ .wl_format = 0,
+ .depth = 0,
+ .bpp = 0,
+ .gl_format = 0,
+ .gl_type = 0,
+ .shader = &shaders.external
+};
+
+static void gles2_texture_gen_texture(struct wlr_texture_state *surface) {
+ if (surface->tex_id)
+ return;
+
+ GL_CALL(glGenTextures(1, &surface->tex_id));
+ GL_CALL(glBindTexture(GL_TEXTURE_2D, surface->tex_id));
+ GL_CALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE));
+ GL_CALL(glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE));
+}
static bool gles2_texture_upload_pixels(struct wlr_texture_state *texture,
enum wl_shm_format format, int stride, int width, int height,
@@ -24,7 +44,8 @@ static bool gles2_texture_upload_pixels(struct wlr_texture_state *texture,
texture->wlr_texture->height = height;
texture->wlr_texture->format = format;
texture->pixel_format = fmt;
- GL_CALL(glGenTextures(1, &texture->tex_id));
+
+ gles2_texture_gen_texture(texture);
GL_CALL(glBindTexture(GL_TEXTURE_2D, texture->tex_id));
GL_CALL(glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, stride));
GL_CALL(glTexImage2D(GL_TEXTURE_2D, 0, fmt->gl_format, width, height, 0,
@@ -72,7 +93,7 @@ static bool gles2_texture_upload_shm(struct wlr_texture_state *texture,
texture->wlr_texture->format = format;
texture->pixel_format = fmt;
- GL_CALL(glGenTextures(1, &texture->tex_id));
+ gles2_texture_gen_texture(texture);
GL_CALL(glBindTexture(GL_TEXTURE_2D, texture->tex_id));
GL_CALL(glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, pitch));
GL_CALL(glPixelStorei(GL_UNPACK_SKIP_PIXELS_EXT, 0));
@@ -109,6 +130,62 @@ static bool gles2_texture_update_shm(struct wlr_texture_state *texture,
GL_CALL(glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, 0));
wl_shm_buffer_end_access(buffer);
+
+ return true;
+}
+
+static bool gles2_texture_upload_drm(struct wlr_texture_state *texture,
+ struct wl_resource* buf) {
+ if (!glEGLImageTargetTexture2DOES) {
+ return false;
+ }
+
+ EGLint format;
+ if (!wlr_egl_query_buffer(buf, EGL_TEXTURE_FORMAT, &format)) {
+ wlr_log(L_INFO, "upload_drm called with no drm buffer");
+ return false;
+ }
+
+ wlr_egl_query_buffer(buf, EGL_WIDTH, (EGLint*) &texture->wlr_texture->width);
+ wlr_egl_query_buffer(buf, EGL_HEIGHT, (EGLint*) &texture->wlr_texture->height);
+
+ EGLint inverted_y;
+ wlr_egl_query_buffer(buf, EGL_WAYLAND_Y_INVERTED_WL, &inverted_y);
+
+ GLenum target;
+ const struct pixel_format *pf;
+ switch (format) {
+ case EGL_TEXTURE_RGB:
+ case EGL_TEXTURE_RGBA:
+ target = GL_TEXTURE_2D;
+ pf = gl_format_for_wl_format(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;
+ }
+
+ gles2_texture_gen_texture(texture);
+ GL_CALL(glBindTexture(GL_TEXTURE_2D, texture->tex_id));
+
+ EGLint attribs[] = { EGL_WAYLAND_PLANE_WL, 0, EGL_NONE };
+ texture->image = wlr_egl_create_image(EGL_WAYLAND_BUFFER_WL,
+ (EGLClientBuffer*) buf, attribs);
+ if (!texture->image) {
+ wlr_log(L_ERROR, "failed to create egl image: %s", egl_error());
+ return false;
+ }
+
+ GL_CALL(glActiveTexture(GL_TEXTURE0));
+ GL_CALL(glBindTexture(target, texture->tex_id));
+ GL_CALL(glEGLImageTargetTexture2DOES(target, texture->image));
+ texture->wlr_texture->valid = true;
+ texture->pixel_format = pf;
+
return true;
}
@@ -142,6 +219,7 @@ static struct wlr_texture_impl wlr_texture_impl = {
.update_pixels = gles2_texture_update_pixels,
.upload_shm = gles2_texture_upload_shm,
.update_shm = gles2_texture_update_shm,
+ .upload_drm = gles2_texture_upload_drm,
.get_matrix = gles2_texture_get_matrix,
.bind = gles2_texture_bind,
.destroy = gles2_texture_destroy,
diff --git a/render/wlr_texture.c b/render/wlr_texture.c
index 64f90990..0d4362dc 100644
--- a/render/wlr_texture.c
+++ b/render/wlr_texture.c
@@ -43,6 +43,11 @@ bool wlr_texture_update_shm(struct wlr_texture *texture, uint32_t format,
x, y, width, height, shm);
}
+bool wlr_texture_upload_drm(struct wlr_texture *texture,
+ struct wl_resource *drm_buffer) {
+ return texture->impl->upload_drm(texture->state, drm_buffer);
+}
+
void wlr_texture_get_matrix(struct wlr_texture *texture,
float (*matrix)[16], const float (*projection)[16], int x, int y) {
texture->impl->get_matrix(texture->state, matrix, projection, x, y);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-10 12:08:25 +0000