diff options
Diffstat (limited to 'render')
| -rw-r--r-- | render/gles2/renderer.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/render/gles2/renderer.c b/render/gles2/renderer.c index a212e908..8d8dd17f 100644 --- a/render/gles2/renderer.c +++ b/render/gles2/renderer.c @@ -180,8 +180,13 @@ static bool wlr_gles2_render_texture_with_matrix( return false; } + // OpenGL ES 2 requires the glUniformMatrix3fv transpose parameter to be set + // to GL_FALSE + float transposition[9]; + wlr_matrix_transpose(transposition, matrix); + wlr_texture_bind(texture); - GL_CALL(glUniformMatrix3fv(0, 1, GL_TRUE, matrix)); + GL_CALL(glUniformMatrix3fv(0, 1, GL_FALSE, transposition)); GL_CALL(glUniform1i(1, texture->inverted_y)); GL_CALL(glUniform1f(3, alpha)); draw_quad(); @@ -191,16 +196,26 @@ static bool wlr_gles2_render_texture_with_matrix( static void wlr_gles2_render_quad(struct wlr_renderer *wlr_renderer, const float color[static 4], const float matrix[static 9]) { + // OpenGL ES 2 requires the glUniformMatrix3fv transpose parameter to be set + // to GL_FALSE + float transposition[9]; + wlr_matrix_transpose(transposition, matrix); + GL_CALL(glUseProgram(shaders.quad)); - GL_CALL(glUniformMatrix3fv(0, 1, GL_TRUE, matrix)); + GL_CALL(glUniformMatrix3fv(0, 1, GL_FALSE, transposition)); GL_CALL(glUniform4f(1, color[0], color[1], color[2], color[3])); draw_quad(); } static void wlr_gles2_render_ellipse(struct wlr_renderer *wlr_renderer, const float color[static 4], const float matrix[static 9]) { + // OpenGL ES 2 requires the glUniformMatrix3fv transpose parameter to be set + // to GL_FALSE + float transposition[9]; + wlr_matrix_transpose(transposition, matrix); + GL_CALL(glUseProgram(shaders.ellipse)); - GL_CALL(glUniformMatrix3fv(0, 1, GL_TRUE, matrix)); + GL_CALL(glUniformMatrix3fv(0, 1, GL_FALSE, transposition)); GL_CALL(glUniform4f(1, color[0], color[1], color[2], color[3])); draw_quad(); } |