diff options
author | Simon Ser <contact@emersion.fr> | 2022-06-07 23:13:33 +0200 |
---|---|---|
committer | Isaac Freund <mail@isaacfreund.com> | 2022-06-08 19:27:36 +0000 |
commit | c2e046022f36001fd2b9fd369ac14acf73a20e23 (patch) | |
tree | 9187e46df4a2b8db9b51837f06c7a081d080f22b /render/gles2 | |
parent | c2e4ba1dd092ac8dcd393c6f9ab317fcd3a8dce6 (diff) |
render/gles2: simplify flipped projection
Instead of computing the projection, then flipping, just provide
the correct transform to wlr_matrix_projection().
Diffstat (limited to 'render/gles2')
-rw-r--r-- | render/gles2/renderer.c | 10 |
1 files changed, 1 insertions, 9 deletions
diff --git a/render/gles2/renderer.c b/render/gles2/renderer.c index e7bfe0e0..c47081ae 100644 --- a/render/gles2/renderer.c +++ b/render/gles2/renderer.c @@ -204,7 +204,7 @@ static void gles2_begin(struct wlr_renderer *wlr_renderer, uint32_t width, // refresh projection matrix wlr_matrix_projection(renderer->projection, width, height, - WL_OUTPUT_TRANSFORM_NORMAL); + WL_OUTPUT_TRANSFORM_FLIPPED_180); glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA); @@ -245,12 +245,6 @@ static void gles2_scissor(struct wlr_renderer *wlr_renderer, pop_gles2_debug(renderer); } -static const float flip_180[9] = { - 1.0f, 0.0f, 0.0f, - 0.0f, -1.0f, 0.0f, - 0.0f, 0.0f, 1.0f, -}; - 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], @@ -286,7 +280,6 @@ static bool gles2_render_subtexture_with_matrix( float gl_matrix[9]; wlr_matrix_multiply(gl_matrix, renderer->projection, matrix); - wlr_matrix_multiply(gl_matrix, flip_180, gl_matrix); // OpenGL ES 2 requires the glUniformMatrix3fv transpose parameter to be set // to GL_FALSE @@ -346,7 +339,6 @@ static void gles2_render_quad_with_matrix(struct wlr_renderer *wlr_renderer, float gl_matrix[9]; wlr_matrix_multiply(gl_matrix, renderer->projection, matrix); - wlr_matrix_multiply(gl_matrix, flip_180, gl_matrix); // OpenGL ES 2 requires the glUniformMatrix3fv transpose parameter to be set // to GL_FALSE |