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https://github.com/gnif/LookingGlass.git
synced 2024-11-10 08:38:20 +00:00
[client] added monochrome cursor support
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parent
f633c63d51
commit
d2957228ef
@ -76,7 +76,7 @@ typedef bool (* LG_RendererInitialize )(void ** opaque, const LG_Rend
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typedef void (* LG_RendererDeInitialize )(void * opaque);
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typedef bool (* LG_RendererIsCompatible )(void * opaque, const LG_RendererFormat format);
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typedef void (* LG_RendererOnResize )(void * opaque, const int width, const int height, const LG_RendererRect destRect);
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typedef bool (* LG_RendererOnMouseShape )(void * opaque, const LG_RendererCursor cursor, const int width, const int height, const uint8_t * data);
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typedef bool (* LG_RendererOnMouseShape )(void * opaque, const LG_RendererCursor cursor, const int width, const int height, const int pitch, const uint8_t * data);
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typedef bool (* LG_RendererOnMouseEvent )(void * opaque, const bool visible , const int x, const int y);
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typedef bool (* LG_RendererOnFrameEvent )(void * opaque, const uint8_t * data, bool resample);
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typedef bool (* LG_RendererRender )(void * opaque);
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@ -56,6 +56,7 @@ struct LGR_OpenGL
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uint64_t frameCount;
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SDL_Rect fpsRect;
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LG_RendererCursor mouseType;
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bool mouseRepair;
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SDL_Rect mouseRepairPos;
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bool mouseVisible;
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@ -288,11 +289,11 @@ bool lgr_opengl_on_mouse_shape(void * opaque, const LG_RendererCursor cursor, co
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return false;
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}
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this->mouseType = cursor;
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switch(cursor)
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{
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case LG_CURSOR_COLOR:
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{
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DEBUG_INFO("%d %d", width, height);
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glBindTexture(GL_TEXTURE_2D, this->textures[MOUSE_TEXTURE]);
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glPixelStorei(GL_UNPACK_ALIGNMENT , 4 );
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glPixelStorei(GL_UNPACK_ROW_LENGTH, width);
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@ -308,7 +309,6 @@ bool lgr_opengl_on_mouse_shape(void * opaque, const LG_RendererCursor cursor, co
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GL_UNSIGNED_BYTE,
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data
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);
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lgr_opengl_check_error("glTexImage2D");
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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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@ -322,6 +322,43 @@ bool lgr_opengl_on_mouse_shape(void * opaque, const LG_RendererCursor cursor, co
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case LG_CURSOR_MONOCHROME:
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{
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uint32_t d[width * height];
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for(int y = 0; y < height / 2; ++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 / 2);
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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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d[y * width + x ] = andMask;
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d[y * width + x + width * (height / 2)] = xorMask;
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}
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glBindTexture(GL_TEXTURE_2D, this->textures[MOUSE_TEXTURE]);
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glPixelStorei(GL_UNPACK_ALIGNMENT , 4 );
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glPixelStorei(GL_UNPACK_ROW_LENGTH, width);
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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_RGBA,
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GL_UNSIGNED_BYTE,
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d
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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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this->mousePos.w = width;
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this->mousePos.h = height / 2;
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break;
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}
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@ -523,17 +560,51 @@ void lgr_opengl_draw_mouse(struct LGR_OpenGL * this)
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glPushMatrix();
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glTranslatef(this->mouseRepairPos.x, this->mouseRepairPos.y, 0.0f);
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glEnable(GL_BLEND);
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glBindTexture(GL_TEXTURE_2D, this->textures[MOUSE_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->mousePos.w, 0 );
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glTexCoord2f(0.0f, 1.0f); glVertex2i(0 , this->mousePos.h);
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glTexCoord2f(1.0f, 1.0f); glVertex2i(this->mousePos.w, this->mousePos.h);
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glEnd();
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glBindTexture(GL_TEXTURE_2D, 0);
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glDisable(GL_BLEND);
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switch(this->mouseType)
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{
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case LG_CURSOR_COLOR:
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{
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glEnable(GL_BLEND);
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glBindTexture(GL_TEXTURE_2D, this->textures[MOUSE_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->mousePos.w, 0 );
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glTexCoord2f(0.0f, 1.0f); glVertex2i(0 , this->mousePos.h);
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glTexCoord2f(1.0f, 1.0f); glVertex2i(this->mousePos.w, this->mousePos.h);
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glEnd();
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glBindTexture(GL_TEXTURE_2D, 0);
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glDisable(GL_BLEND);
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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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glEnable(GL_COLOR_LOGIC_OP);
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glBindTexture(GL_TEXTURE_2D, this->textures[MOUSE_TEXTURE]);
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glLogicOp(GL_AND);
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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->mousePos.w, 0 );
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glTexCoord2f(0.0f, 0.5f); glVertex2i(0 , this->mousePos.h);
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glTexCoord2f(1.0f, 0.5f); glVertex2i(this->mousePos.w, this->mousePos.h);
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glEnd();
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glLogicOp(GL_XOR);
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glBegin(GL_TRIANGLE_STRIP);
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glTexCoord2f(0.0f, 0.5f); glVertex2i(0 , 0 );
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glTexCoord2f(1.0f, 0.5f); glVertex2i(this->mousePos.w, 0 );
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glTexCoord2f(0.0f, 1.0f); glVertex2i(0 , this->mousePos.h);
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glTexCoord2f(1.0f, 1.0f); glVertex2i(this->mousePos.w, this->mousePos.h);
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glEnd();
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glDisable(GL_COLOR_LOGIC_OP);
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glBindTexture(GL_TEXTURE_2D, 0);
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break;
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}
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case LG_CURSOR_MASKED_COLOR:
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// TODO
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break;
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}
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glPopMatrix();
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}
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