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Add gltk.Program.get_uniform_locations().

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This commit is contained in:
Josh Holtrop 2020-12-07 15:49:17 -05:00
parent 52d7eb5eab
commit 816aca30ac
2 changed files with 15 additions and 5 deletions
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11
src/gltk/program.d
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@ -14,7 +14,7 @@ class Program
{ {
throw new Exception("Failed to allocate an OpenGL program"); throw new Exception("Failed to allocate an OpenGL program");
} }
static if (args.length != 0u) static if (args.length > 0u)
{ {
build(args); build(args);
} }
@ -63,6 +63,15 @@ class Program
return glGetUniformLocation(m_id, uniform_name.toStringz()); return glGetUniformLocation(m_id, uniform_name.toStringz());
} }
void get_uniform_locations(Args...)(string uniform_name, GLint * uniform_location, Args args)
{
*uniform_location = get_uniform_location(uniform_name);
static if (args.length > 0u)
{
get_uniform_locations(args);
}
}
@property GLuint id() const @property GLuint id() const
{ {
return m_id; return m_id;

9
src/jes/gui/package.d
View File

@ -48,10 +48,11 @@ class Gui
auto f_shader = new gltk.Shader(GL_FRAGMENT_SHADER); auto f_shader = new gltk.Shader(GL_FRAGMENT_SHADER);
f_shader.set_source_from_file("share/jes/shaders/text.f.glsl"); f_shader.set_source_from_file("share/jes/shaders/text.f.glsl");
m_text_program = new gltk.Program(v_shader, f_shader, "coords", 0); m_text_program = new gltk.Program(v_shader, f_shader, "coords", 0);
m_viewport_size = m_text_program.get_uniform_location("viewport_size"); m_text_program.get_uniform_locations(
m_texture = m_text_program.get_uniform_location("texture"); "viewport_size", &m_viewport_size,
m_color = m_text_program.get_uniform_location("color"); "texture", &m_texture,
m_position = m_text_program.get_uniform_location("position"); "color", &m_color,
"position", &m_position);
glActiveTexture(GL_TEXTURE0); glActiveTexture(GL_TEXTURE0);
glEnable(GL_BLEND); glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);