X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fbloom.cpp;h=8fda424d5864959565633ae172a0e0bf463f2331;hb=8e9d872c2ba8dc633d29a673ba93adf38d262a5c;hp=36cdb8ddfeec2eeb67e940f95521667e549dc78d;hpb=9846a5c6e73b3a146084894a11550dbbf184a22a;p=libs%2Fgl.git diff --git a/source/bloom.cpp b/source/bloom.cpp index 36cdb8dd..8fda424d 100644 --- a/source/bloom.cpp +++ b/source/bloom.cpp @@ -2,8 +2,8 @@ #include #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 FragmentShader(blur_fs)); + blur_shader.link(); + + combine_shader.attach_shader(get_fullscreen_vertex_shader()); + combine_shader.attach_shader_owned(new FragmentShader(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); @@ -77,20 +67,12 @@ 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) { if(r<=0.0f) - throw out_of_range("Bloom::set_radius"); + throw invalid_argument("Bloom::set_radius"); int size = min(static_cast(r*3.0f), 9); blur_shdata_common.uniform("size", size); @@ -100,15 +82,16 @@ void Bloom::set_radius(float r) r = 2*r*r; for(int i=-size; i<=size; ++i) sum += (factors[size+i] = exp(-i*i/r)); - for(int i=0; i<=size*2; ++i) - blur_shdata_common.uniform(format("factors[%d]", i), factors[i]/sum); + factors[i] /= sum; + + blur_shdata_common.uniform1_array("factors[0]", size*2+1, &factors.front()); } void Bloom::set_strength(float s) { if(s<0.0f || s>1.0f) - throw out_of_range("Bloom::set_strength"); + throw invalid_argument("Bloom::set_strength"); combine_shdata.uniform("strength", s); }