X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Feffects%2Fenvironmentmap.cpp;h=6fb0e5c3b314656dca8361dc9b54544969c98c68;hp=5002e0f88b786ae90440fb7e3e3b9a0aa487562e;hb=38712d8ecc57d043a2419ffbaeeb57f7a6586f14;hpb=cd5f37b066352119cf92d53d0001af7ff99be437

diff --git a/source/effects/environmentmap.cpp b/source/effects/environmentmap.cpp
index 5002e0f8..6fb0e5c3 100644
--- a/source/effects/environmentmap.cpp
+++ b/source/effects/environmentmap.cpp
@@ -1,5 +1,6 @@
 #include <algorithm>
 #include <cmath>
+#include <msp/strings/format.h>
 #include "environmentmap.h"
 #include "mesh.h"
 #include "renderer.h"
@@ -10,58 +11,30 @@ using namespace std;
 namespace Msp {
 namespace GL {
 
-EnvironmentMap::EnvironmentMap(unsigned s, Renderable &r, Renderable &e):
-	Effect(r),
-	environment(e),
-	irradiance_shprog(Resources::get_global().get<Program>("_envmap_irradiance.glsl.shader")),
-	specular_shprog(Resources::get_global().get<Program>("_envmap_specular.glsl.shader")),
-	fullscreen_mesh(Resources::get_global().get<Mesh>("_fullscreen_quad.mesh")),
-	sampler(Resources::get_global().get<Sampler>("_linear_clamp.samp")),
-	mip_sampler(Resources::get_global().get<Sampler>("_mip_clamp.samp"))
-{
-	init(s, RGB8, 1);
-}
-
 EnvironmentMap::EnvironmentMap(unsigned s, PixelFormat f, Renderable &r, Renderable &e):
-	Effect(r),
-	environment(e),
-	irradiance_shprog(Resources::get_global().get<Program>("_envmap_irradiance.glsl.shader")),
-	specular_shprog(Resources::get_global().get<Program>("_envmap_specular.glsl.shader")),
-	fullscreen_mesh(Resources::get_global().get<Mesh>("_fullscreen_quad.mesh")),
-	sampler(Resources::get_global().get<Sampler>("_linear_clamp.samp")),
-	mip_sampler(Resources::get_global().get<Sampler>("_mip_clamp.samp"))
-{
-	init(s, f, 1);
-}
+	EnvironmentMap(s, f, 1, r, e)
+{ }
 
 EnvironmentMap::EnvironmentMap(unsigned s, PixelFormat f, unsigned l, Renderable &r, Renderable &e):
 	Effect(r),
+	size(s),
 	environment(e),
 	irradiance_shprog(Resources::get_global().get<Program>("_envmap_irradiance.glsl.shader")),
 	specular_shprog(Resources::get_global().get<Program>("_envmap_specular.glsl.shader")),
 	fullscreen_mesh(Resources::get_global().get<Mesh>("_fullscreen_quad.mesh")),
 	sampler(Resources::get_global().get<Sampler>("_linear_clamp.samp")),
 	mip_sampler(Resources::get_global().get<Sampler>("_mip_clamp.samp"))
-{
-	init(s, f, l);
-}
-
-void EnvironmentMap::init(unsigned s, PixelFormat f, unsigned l)
 {
 	if(!l || (1U<<(l-1))>=s)
 		throw invalid_argument("EnvironmentMap::EnvironmentMap");
 
-	size = s;
-	rendered = false;
-	update_interval = 1;
-	update_delay = 0;
-
 	env_tex.storage(f, size, l);
 	depth_buf.storage(DEPTH_COMPONENT32F, size, size, 1);
 	for(unsigned i=0; i<6; ++i)
 	{
-		TextureCubeFace face = TextureCube::enumerate_faces(i);
-		faces[i].fbo.attach(COLOR_ATTACHMENT0, env_tex, face, 0);
+		TextureCubeFace face = static_cast<TextureCubeFace>(i);
+		faces[i].fbo.set_format((COLOR_ATTACHMENT,f, DEPTH_ATTACHMENT,DEPTH_COMPONENT32F));
+		faces[i].fbo.attach(COLOR_ATTACHMENT, env_tex, face, 0);
 		faces[i].fbo.attach(DEPTH_ATTACHMENT, depth_buf);
 		faces[i].camera.set_look_direction(TextureCube::get_face_direction(face));
 		faces[i].camera.set_up_direction(TextureCube::get_t_direction(face));
@@ -71,18 +44,22 @@ void EnvironmentMap::init(unsigned s, PixelFormat f, unsigned l)
 	}
 
 	irradiance.storage(f, size/4, 1);
-	irradiance_fbo.attach_layered(COLOR_ATTACHMENT0, irradiance);
+	irradiance_fbo.set_format((COLOR_ATTACHMENT,f));
+	irradiance_fbo.attach_layered(COLOR_ATTACHMENT, irradiance);
 
 	if(l>1)
 	{
 		specular_fbos.resize(l-1);
 		for(unsigned i=1; i<l; ++i)
-			specular_fbos[i-1].attach_layered(COLOR_ATTACHMENT0, env_tex, i);
+		{
+			specular_fbos[i-1].set_format((COLOR_ATTACHMENT,f));
+			specular_fbos[i-1].attach_layered(COLOR_ATTACHMENT, env_tex, i);
+		}
 
 		LinAl::Matrix<float, 3, 3> face_matrices[6];
 		for(unsigned i=0; i<6; ++i)
 		{
-			GL::TextureCubeFace face = GL::TextureCube::enumerate_faces(i);
+			GL::TextureCubeFace face = static_cast<TextureCubeFace>(i);
 			GL::Vector3 columns[3];
 			columns[0] = GL::TextureCube::get_s_direction(face);
 			columns[1] = GL::TextureCube::get_t_direction(face);
@@ -98,6 +75,12 @@ void EnvironmentMap::init(unsigned s, PixelFormat f, unsigned l)
 	shdata.uniform("env_world_matrix", LinAl::SquareMatrix<float, 3>::identity());
 }
 
+void EnvironmentMap::set_fixed_position(const Vector3 &p)
+{
+	fixed_position = p;
+	use_fixed_pos = true;
+}
+
 void EnvironmentMap::set_depth_clip(float n, float f)
 {
 	for(unsigned i=0; i<6; ++i)
@@ -132,21 +115,26 @@ void EnvironmentMap::setup_frame(Renderer &renderer)
 	update_delay = update_interval-1;
 	environment.setup_frame(renderer);
 
-	const Matrix *matrix = renderable.get_matrix();
-	if(!matrix)
-		return;
+	Vector3 center;
+	if(use_fixed_pos)
+		center = fixed_position;
+	else
+	{
+		const Matrix *matrix = renderable.get_matrix();
+		if(!matrix)
+			return;
+
+		center = matrix->column(3).slice<3>(0);
+	}
 
 	Renderer::Push push(renderer);
 	Renderer::Exclude exclude1(renderer, renderable);
 	Renderer::Exclude exclude2(renderer, *this);
 
-	Vector3 center = matrix->column(3).slice<3>(0);
-
 	for(unsigned i=0; i<6; ++i)
 	{
 		faces[i].camera.set_position(center);
 		renderer.set_framebuffer(&faces[i].fbo);
-		renderer.clear();
 		renderer.set_camera(faces[i].camera);
 		renderer.render(environment);
 	}
@@ -193,7 +181,7 @@ void EnvironmentMap::set_debug_name(const string &name)
 #ifdef DEBUG
 	env_tex.set_debug_name(name+"/environment.texcb");
 	depth_buf.set_debug_name(name+"/environment_depth.rbuf");
-	static const char *face_names[] = { "X+", "X-", "Y+", "Y-", "Z+", "Z-" };
+	static const char *const face_names[] = { "X+", "X-", "Y+", "Y-", "Z+", "Z-" };
 	for(unsigned i=0; i<6; ++i)
 	{
 		faces[i].fbo.set_debug_name(format("%s [FBO:%s]", name, face_names[i]));