diff options
Diffstat (limited to 'render/gles2')
| -rw-r--r-- | render/gles2/renderer.c | 5 | ||||
| -rw-r--r-- | render/gles2/texture.c | 14 |
2 files changed, 14 insertions, 5 deletions
diff --git a/render/gles2/renderer.c b/render/gles2/renderer.c index 729eaa75..0de777cc 100644 --- a/render/gles2/renderer.c +++ b/render/gles2/renderer.c @@ -109,6 +109,11 @@ static void wlr_gles2_begin(struct wlr_renderer_state *state, int32_t width = output->width; int32_t height = output->height; GL_CALL(glViewport(0, 0, width, height)); + + // enable transparency + GL_CALL(glEnable(GL_BLEND)); + GL_CALL(glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)); + // Note: maybe we should save output projection and remove some of the need // for users to sling matricies themselves } diff --git a/render/gles2/texture.c b/render/gles2/texture.c index b7de65be..2a2073c6 100644 --- a/render/gles2/texture.c +++ b/render/gles2/texture.c @@ -61,7 +61,9 @@ static bool gles2_texture_update_pixels(struct wlr_texture_state *texture, assert(texture && texture->wlr_texture->valid); // TODO: Test if the unpack subimage extension is supported and adjust the // upload strategy if not - if (texture->wlr_texture->format != format) { + if (!texture->wlr_texture->valid + || texture->wlr_texture->format != format + /* || unpack not supported */) { return gles2_texture_upload_pixels(texture, format, stride, width, height, pixels); } @@ -112,8 +114,10 @@ static bool gles2_texture_update_shm(struct wlr_texture_state *texture, struct wl_shm_buffer *buffer) { // TODO: Test if the unpack subimage extension is supported and adjust the // upload strategy if not - assert(texture && texture->wlr_texture->valid); - if (texture->wlr_texture->format != format) { + assert(texture); + if (!texture->wlr_texture->valid + || texture->wlr_texture->format != format + /* || unpack not supported */) { return gles2_texture_upload_shm(texture, format, buffer); } const struct pixel_format *fmt = texture->pixel_format; @@ -125,8 +129,8 @@ static bool gles2_texture_update_shm(struct wlr_texture_state *texture, GL_CALL(glPixelStorei(GL_UNPACK_ROW_LENGTH_EXT, pitch)); GL_CALL(glPixelStorei(GL_UNPACK_SKIP_PIXELS_EXT, x)); GL_CALL(glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, y)); - GL_CALL(glTexImage2D(GL_TEXTURE_2D, 0, fmt->gl_format, width, height, 0, - fmt->gl_format, fmt->gl_type, pixels)); + GL_CALL(glTexSubImage2D(GL_TEXTURE_2D, 0, x, y, width, height, + fmt->gl_format, fmt->gl_type, pixels)); GL_CALL(glPixelStorei(GL_UNPACK_SKIP_PIXELS_EXT, 0)); GL_CALL(glPixelStorei(GL_UNPACK_SKIP_ROWS_EXT, 0)); |