void PostProcessingPass::draw()
{
// Draw fullscreen quad into the next render buffer
rtt->start(next);
current->bind();
if (vsversion == ESV_ARBVP10)
{
glEnable(GL_VERTEX_PROGRAM_ARB);
glBindProgramARB(GL_VERTEX_PROGRAM_ARB, vs);
}
if (psversion == ESV_ARBFP10)
{
glEnable(GL_FRAGMENT_PROGRAM_ARB);
glBindProgramARB(GL_FRAGMENT_PROGRAM_ARB, ps);
}
drawFSQuad();
if (psversion == ESV_ARBFP10)
{
glDisable(GL_FRAGMENT_PROGRAM_ARB);
}
if (vsversion == ESV_ARBVP10)
{
glDisable(GL_VERTEX_PROGRAM_ARB);
}
rtt->end();
// Swap render targets
TexturePointer tmp = current;
current = next;
next = tmp;
}
void shadingPass(GameState* gs) {
Matrix world;
world = IDENT_MATRIX;
glUseProgram(shadingProg->id);
glexit("shading prog");
glActiveTexture(GL_TEXTURE0 + 6);
glexit("shading tex 1");
glBindTexture(GL_TEXTURE_2D, gs->diffuseTexBuffer);
glexit("shading tex 2");
glActiveTexture(GL_TEXTURE0 + 7);
glexit("shading tex 3");
glBindTexture(GL_TEXTURE_2D, gs->normalTexBuffer);
glexit("shading tex 4");
glActiveTexture(GL_TEXTURE0 + 8);
glexit("shading tex 5");
glBindTexture(GL_TEXTURE_2D, gs->depthTexBuffer);
glexit("shading tex 6");
glActiveTexture(GL_TEXTURE0 + 9);
glexit("shading tex 5");
glBindTexture(GL_TEXTURE_2D, gs->selectionTexBuffer);
glexit("shading tex 6");
glUniform1i(glGetUniformLocation(shadingProg->id, "debugMode"), gs->debugMode);
glUniform1i(glGetUniformLocation(shadingProg->id, "sDiffuse"), 6);
glUniform1i(glGetUniformLocation(shadingProg->id, "sNormals"), 7);
glUniform1i(glGetUniformLocation(shadingProg->id, "sDepth"), 8);
glUniform1i(glGetUniformLocation(shadingProg->id, "sSelection"), 9);
glexit("shading samplers");
glUniformMatrix4fv(glGetUniformLocation(shadingProg->id, "world"), 1, GL_FALSE, world.m);
glexit("shading world");
glUniform3fv(glGetUniformLocation(shadingProg->id, "sunNormal"), 1, (float*)&gs->sunNormal);
if(gs->screen.resized) {
glUniform2fv(glGetUniformLocation(shadingProg->id, "resolution"), 1, (float*)&gs->screen.wh);
}
drawFSQuad();
glexit("post quad draw");
}
void PostProcessingPass::drawResult()
{
current->bind();
drawFSQuad();
}
