From b37b5398a6afa940acd1138bde922a70838f33af Mon Sep 17 00:00:00 2001 From: 3gg <3gg@shellblade.net> Date: Fri, 4 Jul 2025 10:37:01 -0700 Subject: Add the new low-level renderer, shared between the imm and scene graph renderer. LLR integration with the scene graph renderer not yet done. --- src/renderer/imm_renderer_impl.h | 43 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 src/renderer/imm_renderer_impl.h (limited to 'src/renderer/imm_renderer_impl.h') diff --git a/src/renderer/imm_renderer_impl.h b/src/renderer/imm_renderer_impl.h new file mode 100644 index 0000000..61b49a7 --- /dev/null +++ b/src/renderer/imm_renderer_impl.h @@ -0,0 +1,43 @@ +#pragma once + +#include + +#include + +#include +#include + +typedef struct Geometry Geometry; +typedef struct GfxCore GfxCore; +typedef struct IBL IBL; +typedef struct LLR LLR; +typedef struct Material Material; +typedef struct ShaderProgram ShaderProgram; +typedef struct Texture Texture; + +/// Immediate mode renderer. +/// +/// Currently, the immediate mode renderer can only draw up to a maximum number +/// of primitives per frame. It does not adjust this number dynamically. Keeps +/// things simple while the extra complexity is not needed. +/// TODO: Flush the buffer when it reaches its maximum size to remove this +/// constraint. +typedef struct ImmRenderer { + GfxCore* gfxcore; + LLR* llr; + + ShaderProgram* shader; // Immediate-mode shader program for primitives. + Geometry* triangles; + size_t num_triangle_verts; // Number of triangle verts this frame. + // TODO: wireframe rendering. + struct { + bool wireframe : 1; + } flags; + vec3 triangle_verts[GFX_IMM_MAX_NUM_TRIANGLES * 3]; +} ImmRenderer; + +/// Create a new immediate mode renderer. +bool gfx_imm_make(ImmRenderer*, GfxCore*, LLR*); + +/// Destroy the immediate mode renderer. +void gfx_imm_destroy(ImmRenderer*); -- cgit v1.2.3