diff options
Diffstat (limited to 'render/gles2')
| -rw-r--r-- | render/gles2/renderer.c | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/render/gles2/renderer.c b/render/gles2/renderer.c index 9ec9394d..b20c3ac2 100644 --- a/render/gles2/renderer.c +++ b/render/gles2/renderer.c @@ -86,7 +86,8 @@ static void gles2_scissor(struct wlr_renderer *wlr_renderer, POP_GLES2_DEBUG; } -static void draw_quad(void) { +static void draw_quad_with_texcoord(GLfloat x1, GLfloat y1, + GLfloat x2, GLfloat y2) { GLfloat verts[] = { 1, 0, // top right 0, 0, // top left @@ -94,10 +95,10 @@ static void draw_quad(void) { 0, 1, // bottom left }; GLfloat texcoord[] = { - 1, 0, // top right - 0, 0, // top left - 1, 1, // bottom right - 0, 1, // bottom left + x2, y1, // top right + x1, y1, // top left + x2, y2, // bottom right + x1, y2, // bottom left }; glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, verts); @@ -112,8 +113,13 @@ static void draw_quad(void) { glDisableVertexAttribArray(1); } -static bool gles2_render_texture_with_matrix(struct wlr_renderer *wlr_renderer, - struct wlr_texture *wlr_texture, const float matrix[static 9], +static void draw_quad(void) { + draw_quad_with_texcoord(0, 0, 1, 1); +} + +static bool gles2_render_subtexture_with_matrix( + struct wlr_renderer *wlr_renderer, struct wlr_texture *wlr_texture, + const struct wlr_fbox *box, const float matrix[static 9], float alpha) { struct wlr_gles2_renderer *renderer = gles2_get_renderer_in_context(wlr_renderer); @@ -162,7 +168,11 @@ static bool gles2_render_texture_with_matrix(struct wlr_renderer *wlr_renderer, glUniform1i(shader->tex, 0); glUniform1f(shader->alpha, alpha); - draw_quad(); + GLfloat x1 = box->x / wlr_texture->width; + GLfloat y1 = box->y / wlr_texture->height; + GLfloat x2 = (box->x + box->width) / wlr_texture->width; + GLfloat y2 = (box->y + box->height) / wlr_texture->height; + draw_quad_with_texcoord(x1, y1, x2, y2); glBindTexture(texture->target, 0); @@ -492,7 +502,7 @@ static const struct wlr_renderer_impl renderer_impl = { .end = gles2_end, .clear = gles2_clear, .scissor = gles2_scissor, - .render_texture_with_matrix = gles2_render_texture_with_matrix, + .render_subtexture_with_matrix = gles2_render_subtexture_with_matrix, .render_quad_with_matrix = gles2_render_quad_with_matrix, .render_ellipse_with_matrix = gles2_render_ellipse_with_matrix, .formats = gles2_renderer_formats, |