]> git.tdb.fi Git - libs/gl.git/blobdiff - source/program.cpp
Move Program::bind to its proper place
[libs/gl.git] / source / program.cpp
index ea1f30d2aea724cc9e9b10e2bcdf531accc48bb7..8ca8e336c0d18dc3f0efb08b31914824570f36c4 100644 (file)
@@ -1,4 +1,6 @@
 #include <algorithm>
+#include <msp/core/hash.h>
+#include <msp/strings/format.h>
 #include "arb_shader_objects.h"
 #include "arb_vertex_shader.h"
 #include "error.h"
@@ -71,20 +73,27 @@ const char *standard_fragment_src[] =
        /* XXX This is incorrect with normal mapping, since the vectors are in TBN
        space but environment map is expected to be in eye space */
        "e",   "\tvec4 reflection = textureCube(environment, n_normal*(dot(n_normal, v_eye_dir)*2.0)-v_eye_dir);\n",
-        0,    "\tgl_FragColor = ",
-       "!t!l!m", "vec4(1.0, 1.0, 1.0, 1.0)",
-       "t",     "texture2D(texture, v_texcoord)",
+       "t",   "\tvec4 tex_sample = texture2D(texture, v_texcoord);\n",
+        0,    "\tgl_FragColor.rgb = ",
+       "!t!l!m", "vec3(1.0)",
+       "t",     "tex_sample.rgb",
        "l|mt",  "*",
-       "!lm",   "v_color",
+       "!lm",   "v_color.rgb",
        "l",     "((l_diffuse",
-       "lm",    "*gl_FrontLightProduct[0].diffuse",
+       "lm",    "*gl_FrontLightProduct[0].diffuse.rgb",
        "p",     "+l_specular",
-       "pm",    "*gl_FrontLightProduct[0].specular",
+       "pm",    "*gl_FrontLightProduct[0].specular.rgb",
        "l",     ")",
        "s",     "*l_shadow",
-       "lm",    "+gl_FrontLightModelProduct.sceneColor",
+       "lm",    "+gl_FrontLightModelProduct.sceneColor.rgb",
        "l",     ")",
-       "e",     "+reflection*reflectivity",
+       "e",     "+reflection.rgb*reflectivity",
+        0,      ";\n",
+        0,    "\tgl_FragColor.a = ",
+       "!m",    "1.0",
+       "!lm",   "v_color.a",
+       "lm",    "gl_FrontMaterial.diffuse.a",
+       "t",     "*tex_sample.a",
         0,      ";\n",
         0,    "}\n",
        0, 0
@@ -128,7 +137,7 @@ void Program::init()
 
 Program::~Program()
 {
-       for(list<Shader *>::iterator i=owned_data.begin(); i!=owned_data.end(); ++i)
+       for(ShaderList::iterator i=owned_data.begin(); i!=owned_data.end(); ++i)
                delete *i;
        glDeleteObjectARB(id);
 }
@@ -151,7 +160,7 @@ void Program::attach_shader_owned(Shader *shader)
 
 void Program::detach_shader(Shader &shader)
 {
-       list<Shader *>::iterator i = remove(shaders.begin(), shaders.end(), &shader);
+       ShaderList::iterator i = remove(shaders.begin(), shaders.end(), &shader);
        if(i!=shaders.end())
        {
                shaders.erase(i, shaders.end());
@@ -213,7 +222,7 @@ void Program::bind_attribute(unsigned index, const string &name)
 
 void Program::link()
 {
-       for(list<Shader *>::iterator i=shaders.begin(); i!=shaders.end(); ++i)
+       for(ShaderList::iterator i=shaders.begin(); i!=shaders.end(); ++i)
                if(!(*i)->is_compiled())
                        (*i)->compile();
 
@@ -239,6 +248,16 @@ void Program::link()
                        uniforms[name] = info;
                }
        }
+
+       string layout_descriptor;
+       for(map<string, UniformInfo>::const_iterator i = uniforms.begin(); i!=uniforms.end(); ++i)
+               if(i->second.location>=0)
+               {
+                       if(!layout_descriptor.empty())
+                               layout_descriptor += '\n';
+                       layout_descriptor += format("%d:%s:%x", i->second.location, i->second.name, i->second.type);
+               }
+       uniform_layout_hash = hash32(layout_descriptor);
 }
 
 string Program::get_info_log() const
@@ -252,20 +271,9 @@ string Program::get_info_log() const
        return log;
 }
 
-void Program::bind() const
-{
-       if(!linked)
-               throw invalid_operation("Program::bind");
-
-       if(!set_current(this))
-               return;
-
-       glUseProgramObjectARB(id);
-}
-
 int Program::get_uniform_location(const string &n) const
 {
-       map<string, UniformInfo>::const_iterator i = uniforms.find(n);
+       UniformMap::const_iterator i = uniforms.find(n);
        if(i==uniforms.end())
        {
                if(n[n.size()-1]==']')
@@ -288,6 +296,17 @@ int Program::get_uniform_location(const string &n) const
        return i->second.location;
 }
 
+void Program::bind() const
+{
+       if(!linked)
+               throw invalid_operation("Program::bind");
+
+       if(!set_current(this))
+               return;
+
+       glUseProgramObjectARB(id);
+}
+
 void Program::unbind()
 {
        if(!set_current(0))