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80 lines
3.4 KiB
Java
80 lines
3.4 KiB
Java
package electrosphere.renderer.pipelines;
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import org.lwjgl.opengl.GL40;
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import electrosphere.engine.Globals;
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import electrosphere.renderer.OpenGLState;
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import electrosphere.renderer.RenderPipelineState;
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import electrosphere.renderer.RenderingEngine;
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/**
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* Renders the screen
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*/
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public class RenderScreenPipeline implements RenderPipeline {
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@Override
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public void render(OpenGLState openGLState, RenderPipelineState renderPipelineState) {
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Globals.profiler.beginCpuSample("RenderScreenPipeline.render");
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//
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//unbind texture channels
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//
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//What does this mean?
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//essentially there are two channels we're using to draw mesh textures
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//we have to glBindTexture to pointer 0 for BOTH channels, otherwise
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//the leftover texture gets used to draw the screen framebuffer quad
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//which doesnt work
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openGLState.glActiveTexture(GL40.GL_TEXTURE0);
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openGLState.glBindTexture(GL40.GL_TEXTURE_2D, 0);
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openGLState.glActiveTexture(GL40.GL_TEXTURE1);
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openGLState.glBindTexture(GL40.GL_TEXTURE_2D, 0);
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openGLState.glActiveTexture(GL40.GL_TEXTURE2);
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openGLState.glBindTexture(GL40.GL_TEXTURE_2D, 0);
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openGLState.glActiveTexture(GL40.GL_TEXTURE3);
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openGLState.glBindTexture(GL40.GL_TEXTURE_2D, 0);
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openGLState.glActiveTexture(GL40.GL_TEXTURE0);
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openGLState.glDepthTest(false);
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openGLState.glViewport(Globals.WINDOW_WIDTH, Globals.WINDOW_HEIGHT);
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//render full screen quad
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openGLState.setActiveShader(renderPipelineState, RenderingEngine.screenTextureShaders);
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GL40.glBindVertexArray(RenderingEngine.screenTextureVAO);
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//aaa
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switch(RenderingEngine.outputFramebuffer){
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case 0:
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openGLState.glBindTexture(GL40.GL_TEXTURE_2D, RenderingEngine.screenFramebuffer.getTexture().getTexturePointer());
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break;
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case 1:
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openGLState.glBindTexture(GL40.GL_TEXTURE_2D, RenderingEngine.lightDepthBuffer.getTexture().getTexturePointer());
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break;
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case 2:
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openGLState.glBindTexture(GL40.GL_TEXTURE_2D, RenderingEngine.volumeDepthBackfaceTexture.getTexturePointer());
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break;
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case 3:
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openGLState.glBindTexture(GL40.GL_TEXTURE_2D, RenderingEngine.volumeDepthFrontfaceTexture.getTexturePointer());
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break;
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case 4:
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openGLState.glBindTexture(GL40.GL_TEXTURE_2D, RenderingEngine.transparencyAccumulatorTexture.getTexturePointer());
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break;
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case 5:
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openGLState.glBindTexture(GL40.GL_TEXTURE_2D, RenderingEngine.gameImageNormalsTexture.getTexturePointer());
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break;
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case 6:
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openGLState.glBindTexture(GL40.GL_TEXTURE_2D, RenderingEngine.normalsOutlineTexture.getTexturePointer());
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break;
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case 7:
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openGLState.setActiveShader(renderPipelineState, RenderingEngine.drawChannel);
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GL40.glUniform1f(GL40.glGetUniformLocation(openGLState.getActiveShader().getShaderId(), "channel"),4);
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openGLState.glBindTexture(GL40.GL_TEXTURE_2D, RenderingEngine.screenTextureDepth.getTexturePointer());
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break;
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}
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GL40.glDrawArrays(GL40.GL_TRIANGLES, 0, 6);
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GL40.glBindVertexArray(0);
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Globals.profiler.endCpuSample();
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}
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}
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