1 files changed, 57 insertions, 0 deletions

diff --git a/src/scene/material.c b/src/scene/material.c
new file mode 100644
index 0000000..3248243
--- /dev/null
+++ b/src/scene/material.c
@@ -0,0 +1,57 @@
+#include "material_impl.h"
+
+#include "scene_memory.h"
+
+#include <gfx/core.h>
+
+static void material_make(Material* material, const MaterialDesc* desc) {
+  assert(material);
+  assert(desc);
+  assert(desc->num_uniforms < GFX_MAX_UNIFORMS_PER_MATERIAL);
+  material->num_uniforms = desc->num_uniforms;
+  for (int i = 0; i < desc->num_uniforms; ++i) {
+    material->uniforms[i] = desc->uniforms[i];
+  }
+}
+
+Material* gfx_make_material(const MaterialDesc* desc) {
+  assert(desc);
+  Material* material = mem_alloc_material();
+  material_make(material, desc);
+  return material;
+}
+
+void gfx_destroy_material(Material** material) { mem_free_material(material); }
+
+static void set_uniform(ShaderProgram* prog, const ShaderUniform* uniform) {
+  switch (uniform->type) {
+  case UniformTexture:
+    gfx_set_texture_uniform(prog, uniform->name.str, uniform->value.texture);
+    break;
+  case UniformMat4:
+    gfx_set_mat4_uniform(prog, uniform->name.str, &uniform->value.mat4);
+    break;
+  case UniformVec3:
+    gfx_set_vec3_uniform(prog, uniform->name.str, uniform->value.vec3);
+    break;
+  case UniformVec4:
+    gfx_set_vec4_uniform(prog, uniform->name.str, uniform->value.vec4);
+    break;
+  case UniformFloat:
+    gfx_set_float_uniform(prog, uniform->name.str, uniform->value.scalar);
+    break;
+  case UniformMat4Array:
+    gfx_set_mat4_array_uniform(
+        prog, uniform->name.str, uniform->value.array.values,
+        uniform->value.array.count);
+    break;
+  }
+}
+
+void material_activate(ShaderProgram* shader, const Material* material) {
+  assert(material);
+  for (int i = 0; i < material->num_uniforms; ++i) {
+    const ShaderUniform* uniform = &material->uniforms[i];
+    set_uniform(shader, uniform);
+  }
+}