faerbit/Saxum
1
0
Fork 0
Code Issues 1 Pull Requests Projects Releases 2 Wiki Activity

Various cleanups.

Browse Source
This commit is contained in:
Faerbit 2015-06-01 10:45:15 +02:00
parent f389aa2f4a
commit 836f75d7fe
1 changed files with 22 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
game/graphics.cc
View File

@ -12,6 +12,7 @@ using namespace ACGL::OpenGL;
const double lightUpdateDelay = 0.5f;
const double windUpdateDelay = 0.5f;
const int maxShadowSampleCount = 15;
Graphics::Graphics(glm::uvec2 windowSize, float nearPlane,
float farPlane, int cube_size,
@ -143,8 +144,8 @@ void Graphics::init(Level* level) {
// always generate and bind 10 cube maps, because otherwise the shader won't work
depth_cubeMaps = std::vector<ACGL::OpenGL::SharedTextureCubeMap>(15);
// always generate and bind all cube maps, because otherwise the shader won't work
depth_cubeMaps = std::vector<ACGL::OpenGL::SharedTextureCubeMap>(maxShadowSampleCount);
for (unsigned int i = 0; i<depth_cubeMaps.size(); i++) {
depth_cubeMaps.at(i) = SharedTextureCubeMap(new TextureCubeMap(glm::vec2(cube_size, cube_size), GL_DEPTH_COMPONENT24));
depth_cubeMaps.at(i)->setMinFilter(GL_NEAREST);
@ -179,7 +180,7 @@ void Graphics::init(Level* level) {
bindTextureUnits();
closestLights = level->getClosestLights();
updateLights();
// set shader variables that stay the same across the runtime of the application
skydomeShader->use();
@ -205,24 +206,33 @@ void Graphics::init(Level* level) {
level->getDirectionalLight()->getIntensity());
}
depthCubeShader->use();
depthCubeShader->setUniform("farPlane", farPlane);
level->sortObjects(Material::getAllTextures()->size());
#ifdef SAXUM_DEBUG
std::cout << "There were " << Material::getAllTextures()->size()
<< " materials used in this level." << std::endl;
#endif
initShadowRenderQueue();
}
void Graphics::bindTextureUnits(){
lightingShader->use();
unsigned int textureCount = Material::getAllTextures()->size();
glGetIntegerv(GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS, &number_of_texture_units);
printf("Your graphics card supports %d texture units.\n", number_of_texture_units);
// Exit if we need more texture units
if (number_of_texture_units < (int)textureCount + 27) {
printf("You need at least %d texture units to run this application. Exiting\n", textureCount + 27);
if (number_of_texture_units < (int)textureCount + maxShadowSampleCount + 9) {
printf("You need at least %d texture units to run this application. Exiting\n", textureCount + maxShadowSampleCount + 9);
exit(-1);
}
loadingShader->use();
loadingShader->setTexture("screen", loadingScreen, 0);
loadingShader->setTexture("screenContinue", loadingContinueScreen, 1);
lightingShader->use();
for(unsigned int i = 0; i<Material::getAllTextures()->size(); i++) {
lightingShader->setTexture("uTexture", Material::getAllTextures()->at(i), i+2);
}
@ -237,16 +247,13 @@ void Graphics::bindTextureUnits(){
}
}
flamePostShader->use();
flamePostShader->setTexture("light_fbo", light_fbo_color_texture, textureCount + 22);
flamePostShader->setTexture("light_fbo", light_fbo_color_texture, textureCount + maxShadowSampleCount + 7);
skydomeShader->use();
skydomeShader->setTexture("dayTexture", level->getSkydome()->getDayTexture(), textureCount + 23);
skydomeShader->setTexture("nightTexture", level->getSkydome()->getNightTexture(), textureCount + 24);
skydomeShader->setTexture("dayTexture", level->getSkydome()->getDayTexture(), textureCount + maxShadowSampleCount + 8);
skydomeShader->setTexture("nightTexture", level->getSkydome()->getNightTexture(), textureCount + maxShadowSampleCount + 9);
loadingShader->use();
loadingShader->setTexture("screen", loadingScreen, textureCount + 25);
loadingShader->setTexture("screenContinue", loadingContinueScreen, textureCount + 26);
printf("This application used %d texture units.\n", textureCount + 27);
printf("This application used %d texture units.\n", textureCount + maxShadowSampleCount + 9);
}
void Graphics::renderLoadingScreen() {
@ -317,6 +324,7 @@ void Graphics::render(double time)
if (!gameStart) {
glBindFramebuffer(GL_FRAMEBUFFER, 0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glViewport(0, 0, windowSize.x, windowSize.y);
loadingShader->use();
loadingShader->setUniform("time", float(time));
fullscreen_quad_loading->render();
@ -332,8 +340,6 @@ void Graphics::render(double time)
// At first render shadows
std::vector<glm::mat4> depthViewProjectionMatrices = std::vector<glm::mat4>(framebuffer_directional.size());
if (renderShadows) {
depthCubeShader->use();
depthCubeShader->setUniform("farPlane", farPlane);
// render depth textures for point lights
glViewport(0, 0, cube_size, cube_size);
glm::mat4 depthProjectionMatrix_pointlights = glm::perspective(1.571f, (float)cube_size/(float)cube_size, 0.1f, 50.0f);