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[client] egl: added colorblind support (egl:cbMode=0/1/2/3)

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Based on http://www.daltonize.org/search/label/Daltonize

0 = Off
1 = Protanope
2 = Deuteranope
3 = Tritanope
This commit is contained in:
Geoffrey McRae
2020-11-09 06:59:54 +11:00
parent ed95f8863d
commit dd7e0ea8c6
5 changed files with 103 additions and 2 deletions
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14
client/renderers/EGL/cursor.c
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@@ -20,6 +20,7 @@ Place, Suite 330, Boston, MA 02111-1307 USA
#include "cursor.h"
#include "common/debug.h"
#include "common/locking.h"
#include "common/option.h"
#include "texture.h"
#include "shader.h"
@@ -47,6 +48,7 @@ struct EGL_Cursor
// cursor state
bool visible;
float x, y, w, h;
int cbMode;
// textures
struct EGL_Texture * texture;
@@ -59,6 +61,7 @@ struct EGL_Cursor
// uniforms
GLuint uMousePos;
GLuint uMousePosMono;
GLuint uCBMode;
// model
struct EGL_Model * model;
@@ -118,8 +121,10 @@ bool egl_cursor_init(EGL_Cursor ** cursor)
return false;
}
(*cursor)->uMousePos = egl_shader_get_uniform_location((*cursor)->shader , "mouse");
(*cursor)->uMousePosMono = egl_shader_get_uniform_location((*cursor)->shaderMono, "mouse");
(*cursor)->uMousePos = egl_shader_get_uniform_location((*cursor)->shader , "mouse" );
(*cursor)->uCBMode = egl_shader_get_uniform_location((*cursor)->shader , "cbMode");
(*cursor)->uMousePosMono = egl_shader_get_uniform_location((*cursor)->shaderMono, "mouse" );
if (!egl_model_init(&(*cursor)->model))
{
@@ -128,6 +133,9 @@ bool egl_cursor_init(EGL_Cursor ** cursor)
}
egl_model_set_default((*cursor)->model);
(*cursor)->cbMode = option_get_int("egl", "cbMode");
return true;
}
@@ -255,6 +263,7 @@ void egl_cursor_render(EGL_Cursor * cursor)
{
egl_shader_use(cursor->shader);
glUniform4f(cursor->uMousePos, cursor->x, cursor->y, cursor->w, cursor->h / 2);
glUniform1i(cursor->uCBMode , cursor->cbMode);
glBlendFunc(GL_ZERO, GL_SRC_COLOR);
egl_model_set_texture(cursor->model, cursor->texture);
egl_model_render(cursor->model);
@@ -271,6 +280,7 @@ void egl_cursor_render(EGL_Cursor * cursor)
{
egl_shader_use(cursor->shader);
glUniform4f(cursor->uMousePos, cursor->x, cursor->y, cursor->w, cursor->h);
glUniform1i(cursor->uCBMode , cursor->cbMode);
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
egl_model_render(cursor->model);
break;