RetroArch/menu/menu_video.c

143 lines
3.5 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2011-2015 - Daniel De Matteis
*
* RetroArch is free software: you can redistribute it and/or modify it under the terms
* of the GNU General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along with RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <retro_miscellaneous.h>
#include "menu_display.h"
#include "menu_hash.h"
#include "menu_setting.h"
#include "menu_video.h"
#include "../gfx/video_common.h"
#ifdef HAVE_OPENGL
void menu_video_draw_frame(
const shader_backend_t *shader,
struct gfx_coords *coords,
math_matrix_4x4 *mat,
bool blend,
GLuint texture
)
{
driver_t *driver = driver_get_ptr();
glBindTexture(GL_TEXTURE_2D, texture);
shader->set_coords(coords);
shader->set_mvp(driver->video_data, mat);
if (blend)
glEnable(GL_BLEND);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
if (blend)
glDisable(GL_BLEND);
}
void menu_video_frame_background(
menu_handle_t *menu,
settings_t *settings,
gl_t *gl,
GLuint texture,
float handle_alpha,
float alpha,
bool force_transparency)
{
struct gfx_coords coords;
GRfloat color[16], black_color[16],
vertex[8], tex_coord[8];
global_t *global = global_get_ptr();
vertex[0] = 0;
vertex[1] = 0;
vertex[2] = 1;
vertex[3] = 0;
vertex[4] = 0;
vertex[5] = 1;
vertex[6] = 1;
vertex[7] = 1;
tex_coord[0] = 0;
tex_coord[1] = 1;
tex_coord[2] = 1;
tex_coord[3] = 1;
tex_coord[4] = 0;
tex_coord[5] = 0;
tex_coord[6] = 1;
tex_coord[7] = 0;
color[ 0] = 1.0f;
color[ 1] = 1.0f;
color[ 2] = 1.0f;
color[ 3] = handle_alpha;
color[ 4] = 1.0f;
color[ 5] = 1.0f;
color[ 6] = 1.0f;
color[ 7] = handle_alpha;
color[ 8] = 1.0f;
color[ 9] = 1.0f;
color[10] = 1.0f;
color[11] = handle_alpha;
color[12] = 1.0f;
color[13] = 1.0f;
color[14] = 1.0f;
color[15] = handle_alpha;
if (alpha > handle_alpha)
alpha = handle_alpha;
black_color[ 0] = 0.0f;
black_color[ 1] = 0.0f;
black_color[ 2] = 0.0f;
black_color[ 3] = alpha;
black_color[ 4] = 0.0f;
black_color[ 5] = 0.0f;
black_color[ 6] = 0.0f;
black_color[ 7] = alpha;
black_color[ 8] = 0.0f;
black_color[ 9] = 0.0f;
black_color[10] = 0.0f;
black_color[11] = alpha;
black_color[12] = 0.0f;
black_color[13] = 0.0f;
black_color[14] = 0.0f;
black_color[15] = alpha;
coords.vertices = 4;
coords.vertex = vertex;
coords.tex_coord = tex_coord;
coords.lut_tex_coord = tex_coord;
coords.color = black_color;
if (gl->shader && gl->shader->use)
gl->shader->use(gl, GL_SHADER_STOCK_BLEND);
menu_display_set_viewport();
if ((settings->menu.pause_libretro
|| !global->main_is_init || (global->core_type == CORE_TYPE_DUMMY))
&& !force_transparency
&& texture)
coords.color = color;
menu_video_draw_frame(gl->shader, &coords,
&gl->mvp_no_rot, true, texture);
gl->coords.color = gl->white_color_ptr;
}
#endif