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fill out LogoBox::draw(), rendering logos with shaders now

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This commit is contained in:
Josh Holtrop 2011-10-11 12:11:24 -04:00
parent 4cfa0893f6
commit d556ef69bf
1 changed files with 35 additions and 0 deletions
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35
src/LogoBox.cc
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@ -93,10 +93,45 @@ bool LogoBox::loadShaders()
glUniform4f(diffuse_loc, 1.0, 0.6, 0.0, 1.0);
glUniform4f(specular_loc, 1.0, 1.0, 1.0, 1.0);
glUniform1f(shininess_loc, 85.0);
return true;
}
static void renderMaterial(const WFObj::Material & m)
{
if (m.flags & WFObj::Material::SHININESS_BIT)
glUniform1f(shininess_loc, m.shininess);
if (m.flags & WFObj::Material::AMBIENT_BIT)
glUniform4fv(ambient_loc, 1, &m.ambient[0]);
if (m.flags & WFObj::Material::DIFFUSE_BIT)
glUniform4fv(diffuse_loc, 1, &m.diffuse[0]);
if (m.flags & WFObj::Material::SPECULAR_BIT)
glUniform4fv(specular_loc, 1, &m.specular[0]);
if (m.flags & WFObj::Material::TEXTURE_BIT)
{
cerr << "error: textured materials not implemented yet" << endl;
}
}
void LogoBox::draw()
{
if (!loaded)
return;
obj.bindBuffers();
glUseProgram(program);
glEnableVertexAttribArray(LOC_POSITION);
glEnableVertexAttribArray(LOC_NORMAL);
int stride = obj.getStride();
glVertexAttribPointer(LOC_POSITION, 3, GL_FLOAT, GL_FALSE,
stride, (GLvoid *) obj.getVertexOffset());
glVertexAttribPointer(LOC_NORMAL, 3, GL_FLOAT, GL_FALSE,
stride, (GLvoid *) obj.getNormalOffset());
for (map<string, WFObj::Material>::iterator it = obj.getMaterials().begin();
it != obj.getMaterials().end();
it++)
{
renderMaterial(it->second);
glDrawElements(GL_TRIANGLES, it->second.num_vertices,
GL_UNSIGNED_SHORT,
(GLvoid *) (sizeof(GLushort) * it->second.first_vertex));
}
}