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-rw-r--r--render/gles2/renderer.c40
-rw-r--r--render/wlr_renderer.c9
2 files changed, 38 insertions, 11 deletions
diff --git a/render/gles2/renderer.c b/render/gles2/renderer.c
index 32f2eb02..3909fd84 100644
--- a/render/gles2/renderer.c
+++ b/render/gles2/renderer.c
@@ -105,7 +105,7 @@ static void init_globals() {
init_default_shaders();
}
-static void wlr_gles2_begin(struct wlr_renderer *_renderer,
+static void wlr_gles2_begin(struct wlr_renderer *wlr_renderer,
struct wlr_output *output) {
GL_CALL(glViewport(0, 0, output->width, output->height));
@@ -117,14 +117,30 @@ static void wlr_gles2_begin(struct wlr_renderer *_renderer,
// for users to sling matricies themselves
}
-static void wlr_gles2_end(struct wlr_renderer *renderer) {
+static void wlr_gles2_end(struct wlr_renderer *wlr_renderer) {
// no-op
}
+static void wlr_gles2_clear(struct wlr_renderer *wlr_renderer, float red,
+ float green, float blue, float alpha) {
+ glClearColor(red, green, blue, alpha);
+ glClear(GL_COLOR_BUFFER_BIT);
+}
+
+static void wlr_gles2_scissor(struct wlr_renderer *wlr_renderer,
+ struct wlr_box *box) {
+ if (box != NULL) {
+ glScissor(box->x, box->y, box->width, box->height);
+ glEnable(GL_SCISSOR_TEST);
+ } else {
+ glDisable(GL_SCISSOR_TEST);
+ }
+}
+
static struct wlr_texture *wlr_gles2_texture_create(
- struct wlr_renderer *_renderer) {
+ struct wlr_renderer *wlr_renderer) {
struct wlr_gles2_renderer *renderer =
- (struct wlr_gles2_renderer *)_renderer;
+ (struct wlr_gles2_renderer *)wlr_renderer;
return gles2_texture_create(renderer->egl);
}
@@ -154,7 +170,7 @@ static void draw_quad() {
GL_CALL(glDisableVertexAttribArray(1));
}
-static bool wlr_gles2_render_texture(struct wlr_renderer *_renderer,
+static bool wlr_gles2_render_texture(struct wlr_renderer *wlr_renderer,
struct wlr_texture *texture, const float (*matrix)[16]) {
if (!texture || !texture->valid) {
wlr_log(L_ERROR, "attempt to render invalid texture");
@@ -169,7 +185,7 @@ static bool wlr_gles2_render_texture(struct wlr_renderer *_renderer,
return true;
}
-static void wlr_gles2_render_quad(struct wlr_renderer *renderer,
+static void wlr_gles2_render_quad(struct wlr_renderer *wlr_renderer,
const float (*color)[4], const float (*matrix)[16]) {
GL_CALL(glUseProgram(shaders.quad));
GL_CALL(glUniformMatrix4fv(0, 1, GL_TRUE, *matrix));
@@ -177,7 +193,7 @@ static void wlr_gles2_render_quad(struct wlr_renderer *renderer,
draw_quad();
}
-static void wlr_gles2_render_ellipse(struct wlr_renderer *renderer,
+static void wlr_gles2_render_ellipse(struct wlr_renderer *wlr_renderer,
const float (*color)[4], const float (*matrix)[16]) {
GL_CALL(glUseProgram(shaders.ellipse));
GL_CALL(glUniformMatrix4fv(0, 1, GL_TRUE, *matrix));
@@ -197,10 +213,10 @@ static const enum wl_shm_format *wlr_gles2_formats(
return formats;
}
-static bool wlr_gles2_buffer_is_drm(struct wlr_renderer *_renderer,
+static bool wlr_gles2_buffer_is_drm(struct wlr_renderer *wlr_renderer,
struct wl_resource *buffer) {
struct wlr_gles2_renderer *renderer =
- (struct wlr_gles2_renderer *)_renderer;
+ (struct wlr_gles2_renderer *)wlr_renderer;
EGLint format;
return wlr_egl_query_buffer(renderer->egl, buffer,
EGL_TEXTURE_FORMAT, &format);
@@ -216,8 +232,8 @@ static void rgba_to_argb(uint32_t *data, size_t height, size_t stride) {
}
}
-static void wlr_gles2_read_pixels(struct wlr_renderer *renderer, int x, int y,
- int width, int height, void *out_data) {
+static void wlr_gles2_read_pixels(struct wlr_renderer *wlr_renderer,
+ int x, int y, int width, int height, void *out_data) {
glReadPixels(x, y, width, height, GL_RGBA, GL_UNSIGNED_BYTE, out_data);
rgba_to_argb(out_data, height, width*4);
}
@@ -225,6 +241,8 @@ static void wlr_gles2_read_pixels(struct wlr_renderer *renderer, int x, int y,
static struct wlr_renderer_impl wlr_renderer_impl = {
.begin = wlr_gles2_begin,
.end = wlr_gles2_end,
+ .clear = wlr_gles2_clear,
+ .scissor = wlr_gles2_scissor,
.texture_create = wlr_gles2_texture_create,
.render_with_matrix = wlr_gles2_render_texture,
.render_quad = wlr_gles2_render_quad,
diff --git a/render/wlr_renderer.c b/render/wlr_renderer.c
index ef0c31be..ba7d4b74 100644
--- a/render/wlr_renderer.c
+++ b/render/wlr_renderer.c
@@ -23,6 +23,15 @@ void wlr_renderer_end(struct wlr_renderer *r) {
r->impl->end(r);
}
+void wlr_renderer_clear(struct wlr_renderer *r, float red, float green,
+ float blue, float alpha) {
+ r->impl->clear(r, red, green, blue, alpha);
+}
+
+void wlr_renderer_scissor(struct wlr_renderer *r, struct wlr_box *box) {
+ r->impl->scissor(r, box);
+}
+
struct wlr_texture *wlr_render_texture_create(struct wlr_renderer *r) {
return r->impl->texture_create(r);
}