Mirrored_Repos/LookingGlass
1
0
Fork 0
mirror of https://github.com/gnif/LookingGlass.git synced 2025-08-09 20:24:14 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

[client] all: add screen rotation support win:rotate

Browse Source 
Currently only supports EGL, if there is enough demand for OpenGL
support this can be added later.

Closes #231
This commit is contained in:
Geoffrey McRae
2021-01-15 12:40:59 +11:00
parent c40a81ddf4
commit 72c86d7125
11 changed files with 252 additions and 73 deletions
Download Patch File Download Diff File Expand all files Collapse all files

73
client/renderers/EGL/cursor.c
View File

@@ -39,6 +39,7 @@ struct CursorTex
struct EGL_Texture * texture;
struct EGL_Shader * shader;
GLuint uMousePos;
GLuint uRotate;
GLuint uCBMode;
};
@@ -56,6 +57,7 @@ struct EGL_Cursor
// cursor state
bool visible;
float x, y, w, h;
int rotate;
int cbMode;
struct CursorTex norm;
@@ -87,11 +89,61 @@ static bool egl_cursor_tex_init(struct CursorTex * t,
}
t->uMousePos = egl_shader_get_uniform_location(t->shader, "mouse" );
t->uRotate = egl_shader_get_uniform_location(t->shader, "rotate");
t->uCBMode = egl_shader_get_uniform_location(t->shader, "cbMode");
return true;
}
static inline void egl_cursor_tex_uniforms(EGL_Cursor * cursor, struct CursorTex * t, bool mono)
{
float x, y, w, h;
switch(cursor->rotate)
{
case LG_ROTATE_UP:
x = cursor->x;
y = cursor->y;
w = cursor->w;
h = cursor->h;
break;
case LG_ROTATE_DOWN:
x = -cursor->x;
y = -cursor->y;
w = cursor->w;
h = cursor->h;
break;
case LG_ROTATE_LEFT:
x = cursor->y;
y = -cursor->x;
w = cursor->h;
h = cursor->w;
break;
case LG_ROTATE_RIGHT:
x = -cursor->y;
y = cursor->x;
w = cursor->h;
h = cursor->w;
break;
}
if (mono)
{
glUniform4f(t->uMousePos, x, y, w, h / 2);
glUniform1i(t->uRotate , cursor->rotate);
glUniform1i(t->uCBMode , cursor->cbMode);
}
else
{
glUniform4f(t->uMousePos, x, y, w, h);
glUniform1i(t->uRotate , cursor->rotate);
glUniform1i(t->uCBMode , cursor->cbMode);
}
}
static void egl_cursor_tex_free(struct CursorTex * t)
{
egl_texture_free(&t->texture);
@@ -150,14 +202,17 @@ void egl_cursor_free(EGL_Cursor ** cursor)
*cursor = NULL;
}
bool egl_cursor_set_shape(EGL_Cursor * cursor, const LG_RendererCursor type, const int width, const int height, const int stride, const uint8_t * data)
bool egl_cursor_set_shape(EGL_Cursor * cursor, const LG_RendererCursor type,
const int width, const int height, const LG_RendererRotate rotate,
const int stride, const uint8_t * data)
{
LG_LOCK(cursor->lock);
cursor->type = type;
cursor->width = width;
cursor->height = (type == LG_CURSOR_MONOCHROME ? height / 2 : height);
cursor->stride = stride;
cursor->stride = stride;
cursor->rotate = rotate;
const size_t size = height * stride;
if (size > cursor->dataSize)
@@ -238,9 +293,9 @@ void egl_cursor_render(EGL_Cursor * cursor)
xor[y * cursor->width + x] = xorMask;
}
egl_texture_setup (cursor->norm.texture , EGL_PF_BGRA, cursor->width, cursor->height, cursor->width * 4, false, false);
egl_texture_setup (cursor->norm.texture, EGL_PF_BGRA, cursor->width, cursor->height, cursor->width * 4, false, false);
egl_texture_setup (cursor->mono.texture, EGL_PF_BGRA, cursor->width, cursor->height, cursor->width * 4, false, false);
egl_texture_update(cursor->norm.texture , (uint8_t *)and);
egl_texture_update(cursor->norm.texture, (uint8_t *)and);
egl_texture_update(cursor->mono.texture, (uint8_t *)xor);
break;
}
@@ -254,14 +309,13 @@ void egl_cursor_render(EGL_Cursor * cursor)
case LG_CURSOR_MONOCHROME:
{
egl_shader_use(cursor->norm.shader);
glUniform4f(cursor->norm.uMousePos, cursor->x, cursor->y, cursor->w, cursor->h / 2);
glUniform1i(cursor->norm.uCBMode , cursor->cbMode);
egl_cursor_tex_uniforms(cursor, &cursor->norm, true);;
glBlendFunc(GL_ZERO, GL_SRC_COLOR);
egl_model_set_texture(cursor->model, cursor->norm.texture);
egl_model_render(cursor->model);
egl_shader_use(cursor->mono.shader);
glUniform4f(cursor->mono.uMousePos, cursor->x, cursor->y, cursor->w, cursor->h / 2);
egl_cursor_tex_uniforms(cursor, &cursor->mono, true);;
glBlendFunc(GL_ONE_MINUS_DST_COLOR, GL_ZERO);
egl_model_set_texture(cursor->model, cursor->mono.texture);
egl_model_render(cursor->model);
@@ -271,8 +325,7 @@ void egl_cursor_render(EGL_Cursor * cursor)
case LG_CURSOR_COLOR:
{
egl_shader_use(cursor->norm.shader);
glUniform4f(cursor->norm.uMousePos, cursor->x, cursor->y, cursor->w, cursor->h);
glUniform1i(cursor->norm.uCBMode , cursor->cbMode);
egl_cursor_tex_uniforms(cursor, &cursor->norm, false);
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
egl_model_render(cursor->model);
break;
@@ -281,7 +334,7 @@ void egl_cursor_render(EGL_Cursor * cursor)
case LG_CURSOR_MASKED_COLOR:
{
egl_shader_use(cursor->mono.shader);
glUniform4f(cursor->mono.uMousePos, cursor->x, cursor->y, cursor->w, cursor->h);
egl_cursor_tex_uniforms(cursor, &cursor->mono, false);
glBlendFunc(GL_ONE_MINUS_DST_COLOR, GL_ZERO);
egl_model_render(cursor->model);
break;