start working on a immediate mode drawing API

1 files changed, 41 insertions, 9 deletions

diff --git a/src/renderer/immediate.c b/src/renderer/immediate.c
index e76d102..b3431fa 100644
--- a/src/renderer/immediate.c
+++ b/src/renderer/immediate.c
@@ -1,18 +1,50 @@
 #include "immediate.h"
+#include "glad/glad.h"
 #include "maths.h"
 #include "primitives.h"
 #include "ral_types.h"
 #include "render.h"
+#include "render_types.h"
 
-void imm_draw_sphere(vec3 pos, f32 radius, vec4 colour) {
-  // Create the vertices
-  geometry_data geometry = geo_create_uvsphere(radius, 16, 16);
-  geo_set_vertex_colours(&geometry, colour);
+typedef struct immdraw_system {
+  // primitive meshes (get reused for each draw call)
+  mesh plane;
+  mesh cube;
+  mesh sphere;
+  // command lists
+  
+} immdraw_system;
 
-  // Upload to GPU
-  mat4 model = mat4_translation(pos);
+bool immdraw_system_init(immdraw_system* state) {
+  geometry_data plane_geometry = geo_create_plane(f32x2(1, 1));
+  state->plane = mesh_create(&plane_geometry, true);
 
-  // Set pipeline
+  geometry_data cube_geometry = geo_create_cuboid(f32x3(1, 1, 1));
+  state->cube = mesh_create(&cube_geometry, true);
 
-  // Draw
-}
\ No newline at end of file
+  geometry_data sphere_geometry = geo_create_uvsphere(1.0, 48, 48);
+  state->sphere = mesh_create(&sphere_geometry, true);
+
+  return true;
+}
+
+void immdraw_plane(vec3 pos, quat rotation, f32 u_scale, f32 v_scale, vec4 colour) {
+
+}
+
+void immdraw_system_render(immdraw_system* state) {
+
+}
+
+// void imm_draw_sphere(vec3 pos, f32 radius, vec4 colour) {
+//   // Create the vertices
+//   geometry_data geometry = geo_create_uvsphere(radius, 16, 16);
+//   geo_set_vertex_colours(&geometry, colour);
+
+//   // Upload to GPU
+//   mat4 model = mat4_translation(pos);
+
+//   // Set pipeline
+
+//   // Draw
+// }
\ No newline at end of file