/**
* Set the currently active shader
* @param shader_obj Pointer to an opengl_shader_t object. This function calls glUseProgramARB with parameter 0 if shader_obj is NULL or if function is called without parameters, causing OpenGL to revert to fixed-function processing
*/
void opengl_shader_set_current(opengl_shader_t *shader_obj)
{
if (shader_obj != NULL) {
if(!Current_shader || (Current_shader->program_id != shader_obj->program_id)) {
Current_shader = shader_obj;
vglUseProgramObjectARB(Current_shader->program_id);
GL_state.Uniform.reset();
#ifndef NDEBUG
if ( opengl_check_for_errors("shader_set_current()") ) {
vglValidateProgramARB(Current_shader->program_id);
GLint obj_status = 0;
vglGetObjectParameterivARB(Current_shader->program_id, GL_OBJECT_VALIDATE_STATUS_ARB, &obj_status);
if ( !obj_status ) {
opengl_shader_check_info_log(Current_shader->program_id);
mprintf(("VALIDATE INFO-LOG:\n"));
if (strlen(GLshader_info_log) > 5) {
mprintf(("%s\n", GLshader_info_log));
} else {
mprintf(("<EMPTY>\n"));
}
}
}
#endif
}
} else {
Current_shader = NULL;
vglUseProgramObjectARB(0);
}
}
int opengl_create_texture_buffer_object()
{
// create the buffer
int buffer_object_handle = opengl_create_buffer_object(GL_TEXTURE_BUFFER, GL_DYNAMIC_DRAW);
opengl_check_for_errors();
opengl_buffer_object &buffer_obj = GL_buffer_objects[buffer_object_handle];
// create the texture
glGenTextures(1, &buffer_obj.texture);
glBindTexture(GL_TEXTURE_BUFFER, buffer_obj.texture);
gr_opengl_update_buffer_data(buffer_object_handle, 100, NULL);
glTexBuffer(GL_TEXTURE_BUFFER, GL_RGBA32F, buffer_obj.buffer_id);
opengl_check_for_errors();
return buffer_object_handle;
}
void opengl_tnl_init()
{
gr_opengl_deferred_light_cylinder_init(16);
gr_opengl_deferred_light_sphere_init(16, 16);
Transform_buffer_handle = opengl_create_texture_buffer_object();
if ( Transform_buffer_handle < 0 ) {
Cmdline_no_batching = true;
}
if(Cmdline_shadow_quality)
{
//Setup shadow map framebuffer
glGenFramebuffers(1, &shadow_fbo);
glBindFramebuffer(GL_FRAMEBUFFER, shadow_fbo);
glGenTextures(1, &Shadow_map_depth_texture);
GL_state.Texture.SetActiveUnit(0);
GL_state.Texture.SetTarget(GL_TEXTURE_2D_ARRAY);
// GL_state.Texture.SetTarget(GL_TEXTURE_2D);
GL_state.Texture.Enable(Shadow_map_depth_texture);
glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
// glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
// glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
// glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
// glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
// glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
//glTexParameteri(GL_TEXTURE_2D_ARRAY_EXT, GL_TEXTURE_COMPARE_MODE_ARB, GL_COMPARE_REF_DEPTH_TO_TEXTURE_EXT);
//glTexParameteri(GL_TEXTURE_2D_ARRAY_EXT, GL_TEXTURE_COMPARE_FUNC_ARB, GL_LEQUAL);
//glTexParameteri(GL_TEXTURE_2D_ARRAY_EXT, GL_DEPTH_TEXTURE_MODE_ARB, GL_INTENSITY);
int size = (Cmdline_shadow_quality == 2 ? 1024 : 512);
glTexImage3D(GL_TEXTURE_2D_ARRAY, 0, GL_DEPTH_COMPONENT32, size, size, 4, 0, GL_DEPTH_COMPONENT, GL_FLOAT, NULL);
//glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT32, size, size, 0, GL_DEPTH_COMPONENT, GL_FLOAT, NULL);
glFramebufferTexture(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, Shadow_map_depth_texture, 0);
//glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, Shadow_map_depth_texture, 0);
glGenTextures(1, &Shadow_map_texture);
GL_state.Texture.SetActiveUnit(0);
GL_state.Texture.SetTarget(GL_TEXTURE_2D_ARRAY);
//GL_state.Texture.SetTarget(GL_TEXTURE_2D);
GL_state.Texture.Enable(Shadow_map_texture);
glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
// glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
// glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
// glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
// glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
// glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
glTexImage3D(GL_TEXTURE_2D_ARRAY, 0, GL_RGB32F, size, size, 4, 0, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, NULL);
//glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F_ARB, size, size, 0, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, NULL);
glFramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, Shadow_map_texture, 0);
//glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, Shadow_map_texture, 0);
glBindFramebuffer(GL_FRAMEBUFFER, 0);
opengl_check_for_errors("post_init_framebuffer()");
}
}
void opengl_setup_scene_textures()
{
Scene_texture_initialized = 0;
if ( Cmdline_no_fbo ) {
Gr_post_processing_enabled = false;
Gr_enable_soft_particles = false;
Gr_framebuffer_effects = {};
Scene_ldr_texture = 0;
Scene_color_texture = 0;
Scene_effect_texture = 0;
Scene_depth_texture = 0;
return;
}
// clamp size, if needed
Scene_texture_width = gr_screen.max_w;
Scene_texture_height = gr_screen.max_h;
if ( Scene_texture_width > GL_max_renderbuffer_size ) {
Scene_texture_width = GL_max_renderbuffer_size;
}
if ( Scene_texture_height > GL_max_renderbuffer_size) {
Scene_texture_height = GL_max_renderbuffer_size;
}
// create framebuffer
glGenFramebuffers(1, &Scene_framebuffer);
GL_state.BindFrameBuffer(Scene_framebuffer);
opengl_set_object_label(GL_FRAMEBUFFER, Scene_framebuffer, "Scene framebuffer");
// setup main render texture
// setup high dynamic range color texture
glGenTextures(1, &Scene_color_texture);
GL_state.Texture.SetActiveUnit(0);
GL_state.Texture.SetTarget(GL_TEXTURE_2D);
GL_state.Texture.Enable(Scene_color_texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16F, Scene_texture_width, Scene_texture_height, 0, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, NULL);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, Scene_color_texture, 0);
opengl_set_object_label(GL_TEXTURE, Scene_color_texture, "Scene color texture");
// setup low dynamic range color texture
glGenTextures(1, &Scene_ldr_texture);
GL_state.Texture.SetActiveUnit(0);
GL_state.Texture.SetTarget(GL_TEXTURE_2D);
GL_state.Texture.Enable(Scene_ldr_texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, Scene_texture_width, Scene_texture_height, 0, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, NULL);
opengl_set_object_label(GL_TEXTURE, Scene_ldr_texture, "Scene LDR texture");
// setup position render texture
glGenTextures(1, &Scene_position_texture);
GL_state.Texture.SetActiveUnit(0);
GL_state.Texture.SetTarget(GL_TEXTURE_2D);
GL_state.Texture.Enable(Scene_position_texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16F, Scene_texture_width, Scene_texture_height, 0, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, NULL);
opengl_set_object_label(GL_TEXTURE, Scene_position_texture, "Scene Position texture");
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT1, GL_TEXTURE_2D, Scene_position_texture, 0);
// setup normal render texture
glGenTextures(1, &Scene_normal_texture);
GL_state.Texture.SetActiveUnit(0);
GL_state.Texture.SetTarget(GL_TEXTURE_2D);
GL_state.Texture.Enable(Scene_normal_texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16F, Scene_texture_width, Scene_texture_height, 0, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, NULL);
opengl_set_object_label(GL_TEXTURE, Scene_normal_texture, "Scene Normal texture");
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT2, GL_TEXTURE_2D, Scene_normal_texture, 0);
// setup specular render texture
glGenTextures(1, &Scene_specular_texture);
GL_state.Texture.SetActiveUnit(0);
GL_state.Texture.SetTarget(GL_TEXTURE_2D);
GL_state.Texture.Enable(Scene_specular_texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, Scene_texture_width, Scene_texture_height, 0, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, NULL);
opengl_set_object_label(GL_TEXTURE, Scene_specular_texture, "Scene Specular texture");
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT3, GL_TEXTURE_2D, Scene_specular_texture, 0);
// setup emissive render texture
glGenTextures(1, &Scene_emissive_texture);
GL_state.Texture.SetActiveUnit(0);
GL_state.Texture.SetTarget(GL_TEXTURE_2D);
GL_state.Texture.Enable(Scene_emissive_texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16F, Scene_texture_width, Scene_texture_height, 0, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, NULL);
opengl_set_object_label(GL_TEXTURE, Scene_emissive_texture, "Scene Emissive texture");
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT4, GL_TEXTURE_2D, Scene_emissive_texture, 0);
//Set up luminance texture (used as input for FXAA)
// also used as a light accumulation buffer during the deferred pass
glGenTextures(1, &Scene_luminance_texture);
GL_state.Texture.SetActiveUnit(0);
GL_state.Texture.SetTarget(GL_TEXTURE_2D);
GL_state.Texture.Enable(Scene_luminance_texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16F, Scene_texture_width, Scene_texture_height, 0, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, NULL);
opengl_set_object_label(GL_TEXTURE, Scene_luminance_texture, "Scene Luminance texture");
// setup effect texture
glGenTextures(1, &Scene_effect_texture);
GL_state.Texture.SetActiveUnit(0);
GL_state.Texture.SetTarget(GL_TEXTURE_2D);
GL_state.Texture.Enable(Scene_effect_texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16F, Scene_texture_width, Scene_texture_height, 0, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, NULL);
opengl_set_object_label(GL_TEXTURE, Scene_effect_texture, "Scene Effect texture");
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT5, GL_TEXTURE_2D, Scene_effect_texture, 0);
// setup cockpit depth texture
glGenTextures(1, &Cockpit_depth_texture);
GL_state.Texture.SetActiveUnit(0);
GL_state.Texture.SetTarget(GL_TEXTURE_2D);
GL_state.Texture.Enable(Cockpit_depth_texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE, GL_NONE);
glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT24, Scene_texture_width, Scene_texture_height, 0, GL_DEPTH_COMPONENT, GL_FLOAT, NULL);
opengl_set_object_label(GL_TEXTURE, Cockpit_depth_texture, "Cockpit depth texture");
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, Cockpit_depth_texture, 0);
gr_zbuffer_set(GR_ZBUFF_FULL);
glClear(GL_DEPTH_BUFFER_BIT);
// setup main depth texture
glGenTextures(1, &Scene_depth_texture);
GL_state.Texture.SetActiveUnit(0);
GL_state.Texture.SetTarget(GL_TEXTURE_2D);
GL_state.Texture.Enable(Scene_depth_texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_COMPARE_MODE, GL_NONE);
glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT24, Scene_texture_width, Scene_texture_height, 0, GL_DEPTH_COMPONENT, GL_FLOAT, NULL);
opengl_set_object_label(GL_TEXTURE, Scene_depth_texture, "Scene depth texture");
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, Scene_depth_texture, 0);
//setup main stencil buffer
glGenRenderbuffers(1, &Scene_stencil_buffer);
glBindRenderbuffer(GL_RENDERBUFFER, Scene_stencil_buffer);
glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH24_STENCIL8, Scene_texture_width, Scene_texture_height);
//glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_STENCIL_ATTACHMENT, GL_RENDERBUFFER, Scene_stencil_buffer);
glReadBuffer(GL_COLOR_ATTACHMENT0);
if ( opengl_check_framebuffer() ) {
GL_state.BindFrameBuffer(0);
glDeleteFramebuffers(1, &Scene_framebuffer);
Scene_framebuffer = 0;
glDeleteTextures(1, &Scene_color_texture);
Scene_color_texture = 0;
glDeleteTextures(1, &Scene_position_texture);
Scene_position_texture = 0;
glDeleteTextures(1, &Scene_normal_texture);
Scene_normal_texture = 0;
glDeleteTextures(1, &Scene_specular_texture);
Scene_specular_texture = 0;
glDeleteTextures(1, &Scene_emissive_texture);
Scene_emissive_texture = 0;
glDeleteTextures(1, &Scene_effect_texture);
Scene_effect_texture = 0;
glDeleteTextures(1, &Scene_depth_texture);
Scene_depth_texture = 0;
glDeleteTextures(1, &Scene_luminance_texture);
Scene_luminance_texture = 0;
//glDeleteTextures(1, &Scene_fxaa_output_texture);
//Scene_fxaa_output_texture = 0;
Gr_post_processing_enabled = false;
Gr_enable_soft_particles = false;
return;
}
//Setup thruster distortion framebuffer
if (Gr_framebuffer_effects.any_set())
{
glGenFramebuffers(1, &Distortion_framebuffer);
GL_state.BindFrameBuffer(Distortion_framebuffer);
glGenTextures(2, Distortion_texture);
GL_state.Texture.SetActiveUnit(0);
GL_state.Texture.SetTarget(GL_TEXTURE_2D);
GL_state.Texture.Enable(Distortion_texture[0]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_REPEAT);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, 32, 32, 0, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, NULL);
GL_state.Texture.Enable(Distortion_texture[1]);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_REPEAT);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, 32, 32, 0, GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV, NULL);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, Distortion_texture[0], 0);
}
if ( opengl_check_framebuffer() ) {
GL_state.BindFrameBuffer(0);
glDeleteFramebuffers(1, &Distortion_framebuffer);
Distortion_framebuffer = 0;
glDeleteTextures(2, Distortion_texture);
Distortion_texture[0] = 0;
Distortion_texture[1] = 0;
return;
}
if ( opengl_check_for_errors("post_init_framebuffer()") ) {
Scene_color_texture = 0;
Scene_depth_texture = 0;
Gr_post_processing_enabled = false;
Gr_enable_soft_particles = false;
return;
}
GL_state.BindFrameBuffer(0);
Scene_texture_initialized = 1;
Scene_framebuffer_in_frame = false;
}
// generate and test the framebuffer and textures that we are going to use
static bool opengl_post_init_framebuffer()
{
bool rval = false;
// clamp size, if needed
Post_texture_width = gr_screen.max_w;
Post_texture_height = gr_screen.max_h;
if (Post_texture_width > GL_max_renderbuffer_size) {
Post_texture_width = GL_max_renderbuffer_size;
}
if (Post_texture_height > GL_max_renderbuffer_size) {
Post_texture_height = GL_max_renderbuffer_size;
}
opengl_setup_bloom_textures();
if ( Cmdline_shadow_quality ) {
int size = (Cmdline_shadow_quality == 2 ? 1024 : 512);
glGenFramebuffers(1, &Post_shadow_framebuffer_id);
glBindFramebuffer(GL_FRAMEBUFFER, Post_shadow_framebuffer_id);
glGenTextures(1, &Post_shadow_texture_id);
GL_state.Texture.SetActiveUnit(0);
GL_state.Texture.SetTarget(GL_TEXTURE_2D_ARRAY);
// GL_state.Texture.SetTarget(GL_TEXTURE_2D);
GL_state.Texture.Enable(Post_shadow_texture_id);
glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
glTexImage3D(GL_TEXTURE_2D_ARRAY, 0, GL_RGBA32F, size, size, 4, 0, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, NULL);
// glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
// glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
// glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
// glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
// glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
// glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F_ARB, size, size, 0, GL_RGBA, GL_UNSIGNED_INT_8_8_8_8_REV, NULL);
// glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, Post_shadow_texture_id, 0);
glFramebufferTexture(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, Post_shadow_texture_id, 0);
glGenTextures(1, &Post_shadow_depth_texture_id);
GL_state.Texture.SetActiveUnit(0);
GL_state.Texture.SetTarget(GL_TEXTURE_2D_ARRAY);
// GL_state.Texture.SetTarget(GL_TEXTURE_2D);
GL_state.Texture.Enable(Post_shadow_depth_texture_id);
glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D_ARRAY, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
glTexImage3D(GL_TEXTURE_2D_ARRAY, 0, GL_DEPTH_COMPONENT32, size, size, 4, 0, GL_DEPTH_COMPONENT, GL_FLOAT, NULL);
// glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
// glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
// glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
// glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
// glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
// glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT32, size, size, 0, GL_DEPTH_COMPONENT, GL_FLOAT, NULL);
// glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, Post_shadow_depth_texture_id, 0);
glFramebufferTexture(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, Post_shadow_depth_texture_id, 0);
}
glBindFramebuffer(GL_FRAMEBUFFER, 0);
rval = true;
if ( opengl_check_for_errors("post_init_framebuffer()") ) {
rval = false;
}
return rval;
}
