V2 working

apps/RenderCadenceCompositor/render/SimpleMotionRenderer.cpp

@@ -0,0 +1,50 @@
+#include "SimpleMotionRenderer.h"
+
+#include "GLExtensions.h"
+
+#include <algorithm>
+#include <cmath>
+
+bool SimpleMotionRenderer::InitializeGl(unsigned width, unsigned height)
+{
+	mWidth = width;
+	mHeight = height;
+	return mWidth > 0 && mHeight > 0;
+}
+
+void SimpleMotionRenderer::RenderFrame(uint64_t frameIndex)
+{
+	const float t = static_cast<float>(frameIndex) / 60.0f;
+	const float red = 0.1f + 0.4f * (0.5f + 0.5f * std::sin(t));
+	const float green = 0.1f + 0.4f * (0.5f + 0.5f * std::sin(t * 0.73f + 1.0f));
+	const float blue = 0.15f + 0.3f * (0.5f + 0.5f * std::sin(t * 0.41f + 2.0f));
+
+	glViewport(0, 0, static_cast<GLsizei>(mWidth), static_cast<GLsizei>(mHeight));
+	glDisable(GL_SCISSOR_TEST);
+	glClearColor(red, green, blue, 1.0f);
+	glClear(GL_COLOR_BUFFER_BIT);
+
+	const int boxWidth = (std::max)(1, static_cast<int>(mWidth / 6));
+	const int boxHeight = (std::max)(1, static_cast<int>(mHeight / 5));
+	const float phase = 0.5f + 0.5f * std::sin(t * 1.7f);
+	const int x = static_cast<int>(phase * static_cast<float>(mWidth - static_cast<unsigned>(boxWidth)));
+	const int y = static_cast<int>((0.5f + 0.5f * std::sin(t * 1.1f + 0.8f)) * static_cast<float>(mHeight - static_cast<unsigned>(boxHeight)));
+
+	glEnable(GL_SCISSOR_TEST);
+	glScissor(x, y, boxWidth, boxHeight);
+	glClearColor(1.0f - red, 0.85f, 0.15f + blue, 1.0f);
+	glClear(GL_COLOR_BUFFER_BIT);
+
+	const int stripeWidth = (std::max)(1, static_cast<int>(mWidth / 80));
+	const int stripeX = static_cast<int>((frameIndex % 120) * (mWidth - static_cast<unsigned>(stripeWidth)) / 119);
+	glScissor(stripeX, 0, stripeWidth, static_cast<GLsizei>(mHeight));
+	glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
+	glClear(GL_COLOR_BUFFER_BIT);
+	glDisable(GL_SCISSOR_TEST);
+}
+
+void SimpleMotionRenderer::ShutdownGl()
+{
+	mWidth = 0;
+	mHeight = 0;
+}