diff options
| author | Guido Günther <agx@sigxcpu.org> | 2018-02-21 23:20:09 +0100 |
|---|---|---|
| committer | Guido Günther <agx@sigxcpu.org> | 2018-02-25 13:47:48 +0100 |
| commit | d08792bfffc6b7b28f59d7ee100091805367b7fa (patch) | |
| tree | 33c514b2e9f70be4980614717093029f675fc7fd /render | |
| parent | e6ca78b0e4b81e02958628c4b3b4db911b51714b (diff) | |
Add alpha to wlr_render_with_matrix
so we can use the alpha channel to e.g. blend in textures
Diffstat (limited to 'render')
| -rw-r--r-- | render/gles2/renderer.c | 6 | ||||
| -rw-r--r-- | render/wlr_renderer.c | 4 |
2 files changed, 5 insertions, 5 deletions
diff --git a/render/gles2/renderer.c b/render/gles2/renderer.c index 81a932e6..ad739cf8 100644 --- a/render/gles2/renderer.c +++ b/render/gles2/renderer.c @@ -171,7 +171,7 @@ static void draw_quad() { } static bool wlr_gles2_render_texture(struct wlr_renderer *wlr_renderer, - struct wlr_texture *texture, const float (*matrix)[16]) { + struct wlr_texture *texture, const float (*matrix)[16], float alpha) { if (!texture || !texture->valid) { wlr_log(L_ERROR, "attempt to render invalid texture"); return false; @@ -179,12 +179,12 @@ static bool wlr_gles2_render_texture(struct wlr_renderer *wlr_renderer, wlr_texture_bind(texture); GL_CALL(glUniformMatrix4fv(0, 1, GL_FALSE, *matrix)); - // TODO: source alpha from somewhere else I guess - GL_CALL(glUniform1f(2, 1.0f)); + GL_CALL(glUniform1f(2, alpha)); draw_quad(); return true; } + static void wlr_gles2_render_quad(struct wlr_renderer *wlr_renderer, const float (*color)[4], const float (*matrix)[16]) { GL_CALL(glUseProgram(shaders.quad)); diff --git a/render/wlr_renderer.c b/render/wlr_renderer.c index fa6c6fc3..ce8fbe36 100644 --- a/render/wlr_renderer.c +++ b/render/wlr_renderer.c @@ -36,8 +36,8 @@ struct wlr_texture *wlr_render_texture_create(struct wlr_renderer *r) { } bool wlr_render_with_matrix(struct wlr_renderer *r, - struct wlr_texture *texture, const float (*matrix)[16]) { - return r->impl->render_with_matrix(r, texture, matrix); + struct wlr_texture *texture, const float (*matrix)[16], float alpha) { + return r->impl->render_with_matrix(r, texture, matrix, alpha); } void wlr_render_colored_quad(struct wlr_renderer *r, |