mirror of
https://github.com/gnif/LookingGlass.git
synced 2024-11-10 00:28:20 +00:00
[client] egl: add spice display support
This commit is contained in:
Geoffrey McRae
parent
faae785c44
commit
6cbfa6e734
@ -42,7 +42,8 @@
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#define FPS_TEXTURE 0
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#define MOUSE_TEXTURE 1
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#define TEXTURE_COUNT 2
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#define SPICE_TEXTURE 2
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#define TEXTURE_COUNT 3
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#define FADE_TIME 1000000
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@ -136,13 +137,17 @@ struct Inst
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int texWIndex, texRIndex;
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int texList;
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int mouseList;
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int spiceList;
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LG_RendererRect destRect;
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struct IntPoint spiceSize;
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bool spiceShow;
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bool hasTextures, hasFrames;
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GLuint frames[BUFFER_COUNT];
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GLsync fences[BUFFER_COUNT];
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GLuint textures[TEXTURE_COUNT];
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bool start;
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bool waiting;
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uint64_t waitFadeTime;
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bool waitDone;
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@ -174,7 +179,7 @@ enum ConfigStatus
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static void deconfigure(struct Inst * this);
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static enum ConfigStatus configure(struct Inst * this);
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static void updateMouseShape(struct Inst * this, bool * newShape);
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static void updateMouseShape(struct Inst * this);
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static bool drawFrame(struct Inst * this);
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static void drawMouse(struct Inst * this);
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static void renderWait(struct Inst * this);
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@ -207,7 +212,6 @@ bool opengl_create(LG_Renderer ** renderer, const LG_RendererParams params,
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this->opt.preventBuffer = option_get_bool("opengl", "preventBuffer");
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this->opt.amdPinnedMem = option_get_bool("opengl", "amdPinnedMem" );
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LG_LOCK_INIT(this->formatLock);
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LG_LOCK_INIT(this->frameLock );
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LG_LOCK_INIT(this->mouseLock );
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@ -235,6 +239,7 @@ void opengl_deinitialize(LG_Renderer * renderer)
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glDeleteLists(this->texList , BUFFER_COUNT);
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glDeleteLists(this->mouseList, 1);
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glDeleteLists(this->spiceList, 1);
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}
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deconfigure(this);
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@ -266,6 +271,34 @@ void opengl_onRestart(LG_Renderer * renderer)
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struct Inst * this = UPCAST(struct Inst, renderer);
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this->waiting = true;
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this->start = false;
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}
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static void setupModelView(struct Inst * this)
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{
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glMatrixMode(GL_MODELVIEW);
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glLoadIdentity();
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if (!this->destRect.valid)
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return;
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int fw, fh;
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if (this->spiceShow)
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{
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fw = this->spiceSize.x;
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fh = this->spiceSize.y;
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}
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else
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{
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fw = this->format.frameWidth;
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fh = this->format.frameHeight;
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}
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glTranslatef(this->destRect.x, this->destRect.y, 0.0f);
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glScalef(
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(float)this->destRect.w / (float)fw,
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(float)this->destRect.h / (float)fh,
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1.0f
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);
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}
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void opengl_onResize(LG_Renderer * renderer, const int width, const int height, const double scale,
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@ -292,19 +325,6 @@ void opengl_onResize(LG_Renderer * renderer, const int width, const int height,
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glLoadIdentity();
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glOrtho(0, this->window.x, this->window.y, 0, -1, 1);
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glMatrixMode(GL_MODELVIEW);
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glLoadIdentity();
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if (this->destRect.valid)
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{
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glTranslatef(this->destRect.x, this->destRect.y, 0.0f);
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glScalef(
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(float)this->destRect.w / (float)this->format.frameWidth,
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(float)this->destRect.h / (float)this->format.frameHeight,
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1.0f
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);
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}
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// this is needed to refresh the font atlas texture
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ImGui_ImplOpenGL2_Shutdown();
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ImGui_ImplOpenGL2_Init();
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@ -381,18 +401,7 @@ bool opengl_onFrame(LG_Renderer * renderer, const FrameBuffer * frame, int dmaFd
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atomic_store_explicit(&this->frameUpdate, true, memory_order_release);
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LG_UNLOCK(this->frameLock);
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if (this->waiting)
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{
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this->waiting = false;
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if (!this->params.quickSplash)
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this->waitFadeTime = microtime() + FADE_TIME;
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else
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{
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glDisable(GL_MULTISAMPLE);
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this->waitDone = true;
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}
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}
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this->start = true;
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return true;
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}
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@ -456,6 +465,7 @@ bool opengl_renderStartup(LG_Renderer * renderer, bool useDMA)
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// generate lists for drawing
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this->texList = glGenLists(BUFFER_COUNT);
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this->mouseList = glGenLists(1);
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this->spiceList = glGenLists(1);
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// create the overlay textures
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glGenTextures(TEXTURE_COUNT, this->textures);
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@ -489,6 +499,20 @@ bool opengl_render(LG_Renderer * renderer, LG_RendererRotate rotate, const bool
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{
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struct Inst * this = UPCAST(struct Inst, renderer);
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setupModelView(this);
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if (this->start && this->waiting)
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{
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this->waiting = false;
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if (!this->params.quickSplash)
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this->waitFadeTime = microtime() + FADE_TIME;
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else
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{
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glDisable(GL_MULTISAMPLE);
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this->waitDone = true;
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}
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}
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switch(configure(this))
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{
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case CONFIG_STATUS_ERROR:
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@ -508,10 +532,14 @@ bool opengl_render(LG_Renderer * renderer, LG_RendererRotate rotate, const bool
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renderWait(this);
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else
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{
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bool newShape;
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updateMouseShape(this, &newShape);
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glCallList(this->texList + this->texRIndex);
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drawMouse(this);
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if (this->spiceShow)
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glCallList(this->spiceList);
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else
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{
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updateMouseShape(this);
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glCallList(this->texList + this->texRIndex);
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drawMouse(this);
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}
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if (!this->waitDone)
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renderWait(this);
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@ -569,6 +597,9 @@ static void renderWait(struct Inst * this)
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a = 1.0f;
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else
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{
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if (this->waitDone)
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return;
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uint64_t t = microtime();
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if (t > this->waitFadeTime)
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{
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@ -626,12 +657,129 @@ static void renderWait(struct Inst * this)
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drawTorusArc(-14, 83, 5, 7, 10, M_PI , M_PI / 2.0f);
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drawTorusArc( 14, 83, 5, 7, 10, M_PI * 1.5f, M_PI / 2.0f);
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//FIXME: draw the diagnoal marks on the circle
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//FIXME: draw the diagonal marks on the circle
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glPopMatrix();
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glDisable(GL_BLEND);
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}
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static void opengl_spiceConfigure(LG_Renderer * renderer, int width, int height)
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{
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struct Inst * this = UPCAST(struct Inst, renderer);
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this->spiceSize.x = width;
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this->spiceSize.y = height;
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glBindTexture(GL_TEXTURE_2D, this->textures[SPICE_TEXTURE]);
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glTexImage2D
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(
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GL_TEXTURE_2D,
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0 ,
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GL_RGBA,
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width ,
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height ,
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0 ,
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GL_BGRA,
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GL_UNSIGNED_BYTE,
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0
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);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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glBindTexture(GL_TEXTURE_2D, 0);
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// create the display lists
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glNewList(this->spiceList, GL_COMPILE);
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glBindTexture(GL_TEXTURE_2D, this->textures[SPICE_TEXTURE]);
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glColor4f(1.0f, 1.0f, 1.0f, 1.0f);
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glBegin(GL_TRIANGLE_STRIP);
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glTexCoord2f(0.0f, 0.0f); glVertex2i(0, 0);
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glTexCoord2f(1.0f, 0.0f); glVertex2i(this->spiceSize.x, 0);
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glTexCoord2f(0.0f, 1.0f); glVertex2i(0, this->spiceSize.y);
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glTexCoord2f(1.0f, 1.0f);
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glVertex2i(this->spiceSize.x, this->spiceSize.y);
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glEnd();
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glBindTexture(GL_TEXTURE_2D, 0);
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glEndList();
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}
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static void opengl_spiceDrawFill(LG_Renderer * renderer, int x, int y, int width,
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int height, uint32_t color)
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{
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struct Inst * this = UPCAST(struct Inst, renderer);
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/* this is a fairly hacky way to do this, but since it's only for the fallback
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* spice display it's not really an issue */
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uint32_t line[width];
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for(int x = 0; x < width; ++x)
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line[x] = color;
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glBindTexture(GL_TEXTURE_2D, this->textures[SPICE_TEXTURE]);
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glPixelStorei(GL_UNPACK_ALIGNMENT , 4 );
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glPixelStorei(GL_UNPACK_ROW_LENGTH, width);
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for(; y < height; ++y)
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glTexSubImage2D
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(
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GL_TEXTURE_2D,
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0 ,
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x ,
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y ,
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width ,
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1 ,
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GL_BGRA,
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GL_UNSIGNED_BYTE,
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line
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);
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glBindTexture(GL_TEXTURE_2D, 0);
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}
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static void opengl_spiceDrawBitmap(LG_Renderer * renderer, int x, int y, int width,
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int height, int stride, uint8_t * data, bool topDown)
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{
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struct Inst * this = UPCAST(struct Inst, renderer);
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if (!topDown)
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{
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// this is non-optimal but as spice is a fallback it's not too critical
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uint8_t line[stride];
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for(int y = 0; y < height / 2; ++y)
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{
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uint8_t * top = data + y * stride;
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uint8_t * btm = data + (height - y - 1) * stride;
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memcpy(line, top , stride);
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memcpy(top , btm , stride);
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memcpy(btm , line, stride);
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}
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}
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glBindTexture(GL_TEXTURE_2D, this->textures[SPICE_TEXTURE]);
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glPixelStorei(GL_UNPACK_ALIGNMENT , 4 );
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glPixelStorei(GL_UNPACK_ROW_LENGTH, stride / 4);
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glTexSubImage2D
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(
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GL_TEXTURE_2D,
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0 ,
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x ,
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y ,
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width ,
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height ,
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GL_BGRA,
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GL_UNSIGNED_BYTE,
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data
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);
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glBindTexture(GL_TEXTURE_2D, 0);
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}
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static void opengl_spiceShow(LG_Renderer * renderer, bool show)
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{
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struct Inst * this = UPCAST(struct Inst, renderer);
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this->spiceShow = show;
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if (show)
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this->start = true;
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}
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const LG_RendererOps LGR_OpenGL =
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{
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.getName = opengl_getName,
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@ -648,7 +796,12 @@ const LG_RendererOps LGR_OpenGL =
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.onFrame = opengl_onFrame,
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.renderStartup = opengl_renderStartup,
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.needsRender = opengl_needsRender,
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.render = opengl_render
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.render = opengl_render,
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.spiceConfigure = opengl_spiceConfigure,
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.spiceDrawFill = opengl_spiceDrawFill,
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.spiceDrawBitmap = opengl_spiceDrawBitmap,
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.spiceShow = opengl_spiceShow
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};
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static bool _checkGLError(unsigned int line, const char * name)
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@ -915,10 +1068,9 @@ static void deconfigure(struct Inst * this)
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this->configured = false;
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}
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static void updateMouseShape(struct Inst * this, bool * newShape)
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static void updateMouseShape(struct Inst * this)
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{
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LG_LOCK(this->mouseLock);
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*newShape = this->newShape;
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if (!this->newShape)
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{
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LG_UNLOCK(this->mouseLock);
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