mirror of
https://github.com/gnif/LookingGlass.git
synced 2024-12-23 05:53:40 +00:00
[client] egl: migrate cursor code into seperate unit
This commit is contained in:
Geoffrey McRae
parent
50c460df5a
commit
c23bf6a0c4
@ -62,7 +62,8 @@ set(SOURCES
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renderers/egl.c
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renderers/egl/shader.c
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renderers/egl/texture.c
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renderers/egl/model.c
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renderers/egl/model.c
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renderers/egl/cursor.c
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fonts/sdl.c
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)
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@ -29,6 +29,7 @@ Place, Suite 330, Boston, MA 02111-1307 USA
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#include "egl/model.h"
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#include "egl/shader.h"
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#include "egl/progs.h"
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#include "egl/cursor.h"
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struct Options
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{
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@ -43,7 +44,6 @@ static struct Options defaultOptions =
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struct Models
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{
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struct EGL_Model * desktop;
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struct EGL_Model * mouse;
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struct EGL_Model * fps;
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};
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@ -52,18 +52,12 @@ struct Shaders
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struct EGL_Shader * rgba;
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struct EGL_Shader * bgra;
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struct EGL_Shader * yuv;
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struct EGL_Shader * mouse;
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struct EGL_Shader * mouse_mono;
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struct EGL_Shader * fps;
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};
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struct Textures
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{
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struct EGL_Texture * desktop;
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struct EGL_Texture * mouse;
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struct EGL_Texture * mouse_mono;
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struct EGL_Texture * fps;
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};
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@ -79,6 +73,8 @@ struct Inst
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EGLSurface surface;
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EGLContext context;
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EGL_Cursor * cursor; // the mouse cursor
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struct Models models;
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struct Shaders shaders;
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struct Textures textures;
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@ -98,19 +94,8 @@ struct Inst
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float scaleX , scaleY;
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GLint uDesktopPos;
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bool mouseVisible;
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float mouseX, mouseY, mouseW, mouseH;
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float mouseWidth , mouseHeight;
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float mouseScaleX, mouseScaleY;
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GLint uMousePos, uMousePosMono;
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LG_Lock mouseLock;
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LG_RendererCursor mouseCursor;
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int mouseWidth;
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int mouseHeight;
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int mousePitch;
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uint8_t * mouseData;
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size_t mouseDataSize;
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bool mouseUpdate;
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const LG_Font * font;
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LG_FontObj fontObj;
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@ -144,7 +129,6 @@ bool egl_create(void ** opaque, const LG_RendererParams params)
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memcpy(&this->params, ¶ms , sizeof(LG_RendererParams));
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memcpy(&this->opt , &defaultOptions, sizeof(struct Options ));
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LG_LOCK_INIT(this->mouseLock);
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this->translateX = 0;
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this->translateY = 0;
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this->scaleX = 1.0f;
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@ -167,6 +151,7 @@ bool egl_initialize(void * opaque, Uint32 * sdlFlags)
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SDL_GL_SetAttribute(SDL_GL_MULTISAMPLEBUFFERS , 1);
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SDL_GL_SetAttribute(SDL_GL_MULTISAMPLESAMPLES , 4);
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SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
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return true;
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}
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@ -177,24 +162,17 @@ void egl_deinitialize(void * opaque)
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if (this->font && this->fontObj)
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this->font->destroy(this->fontObj);
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egl_cursor_free(&this->cursor);
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egl_model_free (&this->models .desktop );
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egl_model_free (&this->models .mouse );
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egl_model_free (&this->models .fps );
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egl_shader_free (&this->shaders .rgba );
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egl_shader_free (&this->shaders .bgra );
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egl_shader_free (&this->shaders .yuv );
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egl_shader_free (&this->shaders .mouse );
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egl_shader_free (&this->shaders .mouse_mono);
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egl_shader_free (&this->shaders .fps );
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egl_texture_free(&this->textures.desktop );
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egl_texture_free(&this->textures.mouse );
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egl_texture_free(&this->textures.mouse_mono);
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egl_texture_free(&this->textures.fps );
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LG_LOCK_FREE(this->mouseLock);
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if (this->mouseData)
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free(this->mouseData);
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free(this);
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}
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@ -218,35 +196,27 @@ void egl_on_resize(void * opaque, const int width, const int height, const LG_Re
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this->mouseScaleX = 2.0f / this->format.width ;
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this->mouseScaleY = 2.0f / this->format.height;
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this->mouseW = (this->mouseWidth * (1.0f / this->format.width )) * this->scaleX;
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this->mouseH = (this->mouseHeight * (1.0f / this->format.height)) * this->scaleY;
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egl_cursor_set_size(this->cursor,
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(this->mouseWidth * (1.0f / this->format.width )) * this->scaleX,
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(this->mouseHeight * (1.0f / this->format.height)) * this->scaleY
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);
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}
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bool egl_on_mouse_shape(void * opaque, const LG_RendererCursor cursor, const int width, const int height, const int pitch, const uint8_t * data)
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{
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struct Inst * this = (struct Inst *)opaque;
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LG_LOCK(this->mouseLock);
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this->mouseCursor = cursor;
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this->mouseWidth = width;
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this->mouseHeight = (cursor == LG_CURSOR_MONOCHROME ? height / 2 : height);
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this->mousePitch = pitch;
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this->mouseW = (this->mouseWidth * (1.0f / this->format.width )) * this->scaleX;
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this->mouseH = (this->mouseHeight * (1.0f / this->format.height)) * this->scaleY;
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const size_t size = height * pitch;
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if (size > this->mouseDataSize)
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if (!egl_cursor_set_shape(this->cursor, cursor, width, height, pitch, data))
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{
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if (this->mouseData)
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free(this->mouseData);
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this->mouseData = (uint8_t *)malloc(size);
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this->mouseDataSize = size;
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DEBUG_ERROR("Failed to update the cursor shape");
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return false;
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}
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memcpy(this->mouseData, data, size);
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this->mouseUpdate = true;
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LG_UNLOCK(this->mouseLock);
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this->mouseWidth = width;
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this->mouseHeight = height;
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egl_cursor_set_size(this->cursor,
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(this->mouseWidth * (1.0f / this->format.width )) * this->scaleX,
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(this->mouseHeight * (1.0f / this->format.height)) * this->scaleY
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);
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return true;
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}
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@ -254,9 +224,14 @@ bool egl_on_mouse_shape(void * opaque, const LG_RendererCursor cursor, const int
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bool egl_on_mouse_event(void * opaque, const bool visible , const int x, const int y)
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{
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struct Inst * this = (struct Inst *)opaque;
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this->mouseVisible = visible;
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this->mouseX = (((float)x * this->mouseScaleX) - 1.0f) * this->scaleX;
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this->mouseY = (((float)y * this->mouseScaleY) - 1.0f) * this->scaleY;
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egl_cursor_set_state(
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this->cursor,
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visible,
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(((float)x * this->mouseScaleX) - 1.0f) * this->scaleX,
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(((float)y * this->mouseScaleY) - 1.0f) * this->scaleY
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);
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return true;
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}
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@ -413,12 +388,6 @@ bool egl_render_startup(void * opaque, SDL_Window * window)
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if (!egl_shader_init(&this->shaders.yuv))
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return false;
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if (!egl_shader_init(&this->shaders.mouse))
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return false;
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if (!egl_shader_init(&this->shaders.mouse_mono))
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return false;
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if (!egl_shader_init(&this->shaders.fps))
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return false;
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@ -431,38 +400,21 @@ bool egl_render_startup(void * opaque, SDL_Window * window)
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if (!egl_shader_compile(this->shaders.yuv, egl_vertex_shader_desktop, sizeof(egl_vertex_shader_desktop), egl_fragment_shader_yuv, sizeof(egl_fragment_shader_yuv)))
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return false;
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if (!egl_shader_compile(this->shaders.mouse, egl_vertex_shader_mouse, sizeof(egl_vertex_shader_mouse), egl_fragment_shader_rgba, sizeof(egl_fragment_shader_rgba)))
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return false;
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if (!egl_shader_compile(this->shaders.mouse_mono, egl_vertex_shader_mouse, sizeof(egl_vertex_shader_mouse), egl_fragment_shader_mouse_mono, sizeof(egl_fragment_shader_mouse_mono)))
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return false;
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if (!egl_shader_compile(this->shaders.fps, egl_vertex_shader_fps, sizeof(egl_vertex_shader_fps), egl_fragment_shader_fps, sizeof(egl_fragment_shader_fps)))
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return false;
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this->uMousePos = egl_shader_get_uniform_location(this->shaders.mouse , "mouse" );
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this->uMousePosMono = egl_shader_get_uniform_location(this->shaders.mouse_mono, "mouse" );
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this->uFPSSize = egl_shader_get_uniform_location(this->shaders.fps , "size" );
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this->uFPSScreen = egl_shader_get_uniform_location(this->shaders.fps , "screen" );
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if (!egl_texture_init(&this->textures.desktop))
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return false;
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if (!egl_texture_init(&this->textures.mouse))
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return false;
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if (!egl_texture_init(&this->textures.mouse_mono))
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return false;
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if (!egl_texture_init(&this->textures.fps))
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return false;
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if (!egl_model_init(&this->models.desktop))
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return false;
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if (!egl_model_init(&this->models.mouse))
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return false;
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if (!egl_model_init(&this->models.fps))
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return false;
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@ -471,15 +423,18 @@ bool egl_render_startup(void * opaque, SDL_Window * window)
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egl_model_set_uvs (this->models.desktop, uvs , sizeof(uvs ) / sizeof(GLfloat));
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egl_model_set_texture (this->models.desktop, this->textures.desktop);
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egl_model_set_verticies(this->models.mouse, square, sizeof(square) / sizeof(GLfloat));
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egl_model_set_uvs (this->models.mouse, uvs , sizeof(uvs ) / sizeof(GLfloat));
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egl_model_set_verticies(this->models.fps, square, sizeof(square) / sizeof(GLfloat));
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egl_model_set_uvs (this->models.fps, uvs , sizeof(uvs ) / sizeof(GLfloat));
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egl_model_set_texture (this->models.fps, this->textures.fps);
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eglSwapInterval(this->display, this->opt.vsync ? 1 : 0);
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if (!egl_cursor_init(&this->cursor))
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{
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DEBUG_ERROR("Failed to initialize the cursor");
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return false;
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}
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return true;
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}
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@ -487,9 +442,6 @@ bool egl_render(void * opaque, SDL_Window * window)
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{
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struct Inst * this = (struct Inst *)opaque;
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if (this->mouseUpdate)
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update_mouse_shape(this);
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glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
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glClear(GL_COLOR_BUFFER_BIT);
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@ -500,32 +452,7 @@ bool egl_render(void * opaque, SDL_Window * window)
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egl_model_render(this->models.desktop);
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}
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if (this->mouseVisible)
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{
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egl_shader_use(this->shaders.mouse);
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glUniform4f(this->uMousePos, this->mouseX, this->mouseY, this->mouseW, this->mouseH);
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if (this->mouseCursor == LG_CURSOR_MONOCHROME)
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{
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glEnable(GL_BLEND);
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glBlendFunc(GL_ZERO, GL_SRC_COLOR);
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egl_model_set_texture(this->models.mouse, this->textures.mouse);
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egl_model_render(this->models.mouse);
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egl_shader_use(this->shaders.mouse_mono);
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glUniform4f(this->uMousePosMono, this->mouseX, this->mouseY, this->mouseW, this->mouseH);
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glBlendFunc(GL_ONE_MINUS_DST_COLOR, GL_ZERO);
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egl_model_set_texture(this->models.mouse, this->textures.mouse_mono);
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egl_model_render(this->models.mouse);
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glDisable(GL_BLEND);
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}
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else
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{
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glEnable(GL_BLEND);
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glBlendFunc(GL_ONE,GL_ONE_MINUS_SRC_ALPHA);
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egl_model_render(this->models.mouse);
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glDisable(GL_BLEND);
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}
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}
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egl_cursor_render(this->cursor);
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if (this->fpsReady)
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{
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@ -606,73 +533,6 @@ void egl_update_fps(void * opaque, const float avgFPS, const float renderFPS)
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this->font->release(this->fontObj, bmp);
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}
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void update_mouse_shape(struct Inst * this)
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{
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LG_LOCK(this->mouseLock);
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this->mouseUpdate = false;
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LG_RendererCursor cursor = this->mouseCursor;
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int width = this->mouseWidth;
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int height = this->mouseHeight;
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int pitch = this->mousePitch;
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const uint8_t * data = this->mouseData;
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// tmp buffer for masked colour
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uint32_t tmp[width * height];
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switch(cursor)
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{
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case LG_CURSOR_MASKED_COLOR:
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{
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for(int i = 0; i < width * height; ++i)
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{
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const uint32_t c = ((uint32_t *)data)[i];
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tmp[i] = (c & ~0xFF000000) | (c & 0xFF000000 ? 0x0 : 0xFF000000);
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}
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data = (uint8_t *)tmp;
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// fall through to LG_CURSOR_COLOR
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//
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// technically we should also create an XOR texture from the data but this
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// usage seems very rare in modern software.
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}
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case LG_CURSOR_COLOR:
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{
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egl_texture_setup(this->textures.mouse, EGL_PF_BGRA, width, height, width * height * 4, false);
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egl_texture_update(this->textures.mouse, data);
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egl_model_set_texture(this->models.mouse, this->textures.mouse);
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break;
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}
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case LG_CURSOR_MONOCHROME:
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{
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uint32_t and[width * height];
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uint32_t xor[width * height];
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for(int y = 0; y < height; ++y)
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for(int x = 0; x < width; ++x)
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{
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const uint8_t * srcAnd = data + (pitch * y) + (x / 8);
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const uint8_t * srcXor = srcAnd + pitch * height;
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const uint8_t mask = 0x80 >> (x % 8);
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const uint32_t andMask = (*srcAnd & mask) ? 0xFFFFFFFF : 0xFF000000;
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const uint32_t xorMask = (*srcXor & mask) ? 0x00FFFFFF : 0x00000000;
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and[y * width + x] = andMask;
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xor[y * width + x] = xorMask;
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}
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egl_texture_setup(this->textures.mouse , EGL_PF_BGRA, width, height, width * height * 4, false);
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egl_texture_setup(this->textures.mouse_mono, EGL_PF_BGRA, width, height, width * height * 4, false);
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egl_texture_update(this->textures.mouse , (uint8_t *)and);
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egl_texture_update(this->textures.mouse_mono, (uint8_t *)xor);
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break;
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}
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}
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LG_UNLOCK(this->mouseLock);
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}
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static void handle_opt_vsync(void * opaque, const char *value)
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{
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struct Inst * this = (struct Inst *)opaque;
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@ -43,51 +43,6 @@ void main()\
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}\
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";
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static const char egl_vertex_shader_mouse[] = "\
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#version 300 es\n\
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\
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layout(location = 0) in vec3 vertexPosition_modelspace;\
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layout(location = 1) in vec2 vertexUV;\
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\
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uniform vec4 mouse;\
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\
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out highp vec2 uv;\
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\
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void main()\
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{\
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gl_Position.xyz = vertexPosition_modelspace;\
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gl_Position.w = 1.0;\
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\
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gl_Position.x += 1.0f;\
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gl_Position.y -= 1.0f;\
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\
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gl_Position.x *= mouse.z;\
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gl_Position.y *= mouse.w;\
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\
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gl_Position.x += mouse.x;\
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gl_Position.y -= mouse.y;\
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\
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uv = vertexUV;\
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}\
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";
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static const char egl_fragment_shader_mouse_mono[] = "\
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#version 300 es\n\
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\
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in highp vec2 uv;\
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out highp vec4 color;\
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\
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uniform sampler2D sampler1;\
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\
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void main()\
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{\
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highp vec4 tmp = texture(sampler1, uv);\
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if (tmp.rgb == vec3(0.0, 0.0, 0.0))\
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discard;\
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color = tmp;\
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}\
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";
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static const char egl_fragment_shader_rgba[] = "\
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#version 300 es\n\
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\
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