From: Mikko Rasa <tdb@tdb.fi>
Date: Mon, 20 Aug 2012 21:05:41 +0000 (+0300)
Subject: Convert existing post-processors to use the provided common resources
X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=commitdiff_plain;h=86af62e6f5a743a08c04dde873f51802af5982c4

Convert existing post-processors to use the provided common resources
---

diff --git a/source/ambientocclusion.cpp b/source/ambientocclusion.cpp
index a14d3508..e22e0391 100644
--- a/source/ambientocclusion.cpp
+++ b/source/ambientocclusion.cpp
@@ -1,19 +1,11 @@
 #include <cmath>
 #include "ambientocclusion.h"
 #include "blend.h"
-#include "meshbuilder.h"
+#include "shader.h"
 #include "tests.h"
 
 namespace {
 
-const char vertex_shader[] =
-	"varying vec2 texcoord;\n"
-	"void main()\n"
-	"{\n"
-	"	gl_Position = gl_Vertex;\n"
-	"	texcoord = gl_Vertex.xy*0.5+0.5;\n"
-	"}\n";
-
 const char occlude_fs[] =
 	"uniform sampler2D depth;\n"
 	"uniform sampler2D rotate;\n"
@@ -74,10 +66,16 @@ namespace Msp {
 namespace GL {
 
 AmbientOcclusion::AmbientOcclusion(unsigned w, unsigned h, float depth_ratio):
-	occlude_shader(vertex_shader, occlude_fs),
-	combine_shader(vertex_shader, combine_fs),
-	quad(VERTEX2)
+	quad(get_fullscreen_quad())
 {
+	occlude_shader.attach_shader(get_fullscreen_vertex_shader());
+	occlude_shader.attach_shader_owned(new Shader(FRAGMENT_SHADER, occlude_fs));
+	occlude_shader.link();
+
+	combine_shader.attach_shader(get_fullscreen_vertex_shader());
+	combine_shader.attach_shader_owned(new Shader(FRAGMENT_SHADER, combine_fs));
+	combine_shader.link();
+
 	occlusion.storage(GL::RGB, w, h);
 	occlusion.set_min_filter(GL::NEAREST);
 	occlusion.set_mag_filter(GL::NEAREST);
@@ -114,14 +112,6 @@ AmbientOcclusion::AmbientOcclusion(unsigned w, unsigned h, float depth_ratio):
 
 	set_depth_ratio(depth_ratio);
 	set_darkness(1.5);
-
-	MeshBuilder bld(quad);
-	bld.begin(TRIANGLE_STRIP);
-	bld.vertex(-1, 1);
-	bld.vertex(-1, -1);
-	bld.vertex(1, 1);
-	bld.vertex(1, -1);
-	bld.end();
 }
 
 void AmbientOcclusion::set_depth_ratio(float depth_ratio)
diff --git a/source/ambientocclusion.h b/source/ambientocclusion.h
index 704ddb25..c080eb24 100644
--- a/source/ambientocclusion.h
+++ b/source/ambientocclusion.h
@@ -29,7 +29,7 @@ private:
 	Texturing combine_texturing;
 	Program combine_shader;
 	ProgramData combine_shdata;
-	Mesh quad;
+	const Mesh &quad;
 
 public:
 	AmbientOcclusion(unsigned, unsigned, float);
diff --git a/source/bloom.cpp b/source/bloom.cpp
index 36cdb8dd..896147c2 100644
--- a/source/bloom.cpp
+++ b/source/bloom.cpp
@@ -2,8 +2,8 @@
 #include <msp/strings/format.h>
 #include "blend.h"
 #include "bloom.h"
-#include "meshbuilder.h"
 #include "misc.h"
+#include "shader.h"
 #include "tests.h"
 #include "texunit.h"
 
@@ -11,14 +11,6 @@ using namespace std;
 
 namespace {
 
-static const char blur_vs[]=
-	"varying vec2 texcoord;\n"
-	"void main()\n"
-	"{\n"
-	"	gl_Position = vec4(gl_Vertex.xy*2.0-1.0, 0.0, 1.0);\n"
-	"	texcoord = gl_Vertex.xy;\n"
-	"}";
-
 static const char blur_fs[]=
 	"uniform sampler2D source;\n"
 	"uniform vec2 delta;\n"
@@ -32,14 +24,6 @@ static const char blur_fs[]=
 	"		gl_FragColor += texture2D(source, texcoord+delta*float(i-size))*factors[i];\n"
 	"}";
 
-static const char combine_vs[]=
-	"varying vec2 texcoord;\n"
-	"void main()\n"
-	"{\n"
-	"	gl_Position = vec4(gl_Vertex.xy*2.0-1.0, 0.0, 1.0);\n"
-	"	texcoord = gl_Vertex.xy;\n"
-	"}";
-
 static const char combine_fs[]=
 	"uniform sampler2D source;\n"
 	"uniform sampler2D blurred;\n"
@@ -56,10 +40,16 @@ namespace Msp {
 namespace GL {
 
 Bloom::Bloom(unsigned w, unsigned h):
-	blur_shader(blur_vs, blur_fs),
-	combine_shader(combine_vs, combine_fs),
-	quad(VERTEX2)
+	quad(get_fullscreen_quad())
 {
+	blur_shader.attach_shader(get_fullscreen_vertex_shader());
+	blur_shader.attach_shader_owned(new Shader(FRAGMENT_SHADER, blur_fs));
+	blur_shader.link();
+
+	combine_shader.attach_shader(get_fullscreen_vertex_shader());
+	combine_shader.attach_shader_owned(new Shader(FRAGMENT_SHADER, combine_fs));
+	combine_shader.link();
+
 	blur_shdata[0].uniform("delta", 1.0f/w, 0.0f);
 	blur_shdata[1].uniform("delta", 0.0f, 1.0f/h);
 
@@ -77,14 +67,6 @@ Bloom::Bloom(unsigned w, unsigned h):
 
 	set_radius(2.0f);
 	set_strength(0.2f);
-
-	MeshBuilder mbld(quad);
-	mbld.begin(TRIANGLE_STRIP);
-	mbld.vertex(0, 1);
-	mbld.vertex(0, 0);
-	mbld.vertex(1, 1);
-	mbld.vertex(1, 0);
-	mbld.end();
 }
 
 void Bloom::set_radius(float r)
diff --git a/source/bloom.h b/source/bloom.h
index e6738b2f..1d9a654a 100644
--- a/source/bloom.h
+++ b/source/bloom.h
@@ -31,7 +31,7 @@ private:
 	Program combine_shader;
 	ProgramData combine_shdata;
 	Texturing combine_texturing;
-	Mesh quad;
+	const Mesh &quad;
 
 public:
 	Bloom(unsigned, unsigned);