11.15

source/console/dv_console_main.cpp

@@ -26,6 +26,9 @@ int32_t g_canvasWidth = 1024;
 int32_t g_canvasHeight = 512;
 davinci::Device g_device;
 davinci::Scene g_scene;
+int32_t g_mousePosX = 0;
+int32_t g_mousePosY = 0;
+davinci::fVector4 g_mouseColor = davinci::fVector4::BLACK;
 
 //-------------------------------------------------------------------------------------
 //int main(int argc, char* argv[])
@@ -160,6 +163,20 @@ SDL_AppResult SDL_AppIterate(void* appstate)
 	g_adapterTexture.updateTexture(g_canvasWidth, 0, g_renderTarget.getDepthBuffer());
 	g_adapterTexture.draw();
 
+	float mousePosX, mousePosY;
+	SDL_GetMouseState(&mousePosX, &mousePosY);
+
+	g_mousePosX = (int32_t)(mousePosX) % g_canvasWidth;
+	g_mousePosY = g_screenHeight - (int32_t)(mousePosY);
+	if(g_mousePosX>=0 && g_mousePosX < g_canvasWidth && g_mousePosY >=0 && g_mousePosY < g_canvasHeight)
+	{
+		g_mouseColor = g_renderTarget.getColorBuffer().getPixel(g_mousePosX, g_mousePosY);
+	}
+	else
+	{
+		g_mouseColor = davinci::fVector4::BLACK;
+	}
+
 	//draw ui
 	drawMainUI();
 

source/console/ui/ui_main.cpp

@@ -25,6 +25,9 @@ extern davinci::Device g_device;
 extern davinci::Scene g_scene;
 extern davinci::RenderTarget g_renderTarget;
 extern davinci::AntiAliasingTech g_aaTech;
+extern int32_t g_mousePosX;
+extern int32_t g_mousePosY;
+extern davinci::fVector4 g_mouseColor;
 
 bool initMainUI(SDL_Window* window, SDL_GLContext gl_context, const char* glsl_version)
 {
@@ -129,6 +132,10 @@ void drawMainUI()
 
 		davinci_utils::dump_render_target("d:\\rendertarget", g_renderTarget);
 	}
+	ImGui::Separator();
+	ImVec2 mousePos = ImGui::GetMousePos();
+	ImGui::Text("MousePosition: %d,%d", g_mousePosX, g_mousePosY);
+	ImGui::Text("MouseColor: %.3f,%.3f,%.3f,%.3f", g_mouseColor.x, g_mouseColor.y, g_mouseColor.z, g_mouseColor.w);
 	ImGui::End();
 
 	// Rendering