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Use the correct blend function for text

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This commit is contained in:
Kovid Goyal 2017-10-17 09:51:21 +05:30
parent 2aa29f1873
commit 02dc637ed0
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GPG Key ID: 06BC317B515ACE7C
2 changed files with 2 additions and 1 deletions
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1
kitty/gl.h
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@ -82,7 +82,6 @@ glew_init(PyObject UNUSED *self) {
ARB_TEST(texture_storage);
#undef ARB_TEST
#endif
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
Py_RETURN_NONE;
}

2
kitty/shaders.c
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@ -334,6 +334,7 @@ cell_prepare_to_render(ssize_t vao_idx, Screen *screen, GLfloat xstart, GLfloat
static void
draw_graphics(ImageRenderData *data, GLuint start, GLuint count) {
bind_program(GRAPHICS_PROGRAM);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
static bool graphics_constants_set = false;
if (!graphics_constants_set) {
glUniform1i(glGetUniformLocation(program_id(GRAPHICS_PROGRAM), "image"), GRAPHICS_UNIT); check_gl();
@ -378,6 +379,7 @@ draw_cells_interleaved(Screen *screen) {
glDrawArraysInstanced(GL_TRIANGLE_FAN, 0, 4, screen->lines * screen->columns); check_gl();
bind_program(CELL_FOREGROUND_PROGRAM);
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
glDrawArraysInstanced(GL_TRIANGLE_FAN, 0, 4, screen->lines * screen->columns); check_gl();
if (screen->grman->num_of_positive_refs) draw_graphics(screen->grman->render_data, screen->grman->num_of_negative_refs, screen->grman->num_of_positive_refs);