Changelog 3.20.0

This release brings a new deferred rendering pipeline with support for unlimited number of shadow-casting lights. All light types, including point lights, can now cast shadows. Please note that the deferred renderer has specific hardware requirements and therefore it is not supported on all platforms! When deferred rendering is not available, you can still use the old default renderer, but that is still limited to maximum 8 punctual lights and only a single shadow-casting light. Additionally, you can now configure frame skip for capturing shadowmaps or mark a light as "static" to capture its shadowmap only once to increase performance.

  • Added new struct BBMOD_DeferredRenderer, which is a deferred renderer with support for unlimited number of shadow-casting lights.
  • Added new function bbmod_deferred_renderer_is_supported, which checks whether deferred renderer is supported on the current platform.
  • Added new macro BBMOD_SHADER_GBUFFER, which is a shader for rendering models into the G-buffer.
  • Added new macro BBMOD_MATERIAL_DEFERRED, which is an opaque material that can be used with the new BBMOD_DeferredRenderer.
  • Added new macro BBMOD_SHADER_TERRAIN_GBUFFER, which is a shader for rendering terrain into the G-buffer. Supports 3 terrain layers at most!
  • Added new macro BBMOD_MATERIAL_TERRAIN_DEFERRED, which is a terrain material that can be used with the new BBMOD_DeferredRenderer.
  • Moved properties EnableSSAO, SSAOScale, SSAORadius, SSAOPower, SSAOAngleBias, SSAODepthRange, SSAOSelfOcclusionBias and SSAOBlurDepthRange from BBMOD_DefaultRenderer to BBMOD_BaseRenderer.
  • BBMOD_PointLight can now also cast shadows.
  • Added new property Frameskip to BBMOD_Light, which is the number of frames to skip between individual updates of the light's shadowmap.
  • Added new property Static to BBMOD_Light, which when set to true, the light's shadowmap is captured only once.
  • Added new property NeedsUpdate to BBMOD_Light, which if true, then the light's shadowmap needs to be updated.
  • Added new member Background to enum BBMOD_ERenderPass, which is a render pass for background objects (e.g. skydome).
  • Material BBMOD_MATERIAL_SKY now uses the Background render pass instead of Forward.
  • Implemented the new Background render pass into BBMOD_DefaultRenderer.
  • Added new macro BBMOD_U_SHADOWMAP_NORMAL_OFFSET_VS, which is the name of a vertex shader uniform of type float that holds how much are vertices offset by their normal before they are transformed into shadowmap-space, using formula vertex + normal * normalOffset.
  • Added new macro BBMOD_U_SHADOWMAP_NORMAL_OFFSET_PS, which is the name of a fragment shader uniform of type float that holds how much are vertices offset by their normal before they are transformed into shadowmap-space, using formula vertex + normal * normalOffset.
  • Macro BBMOD_U_SHADOWMAP_NORMAL_OFFSET is now obsolete! Please use the new BBMOD_U_SHADOWMAP_NORMAL_OFFSET_VS instead.
  • Added new function bbmod_hdr_is_supported, which checks whether high dynamic range (HDR) rendering is supported on the current platform.
  • Added new macro BBMOD_U_HDR, which is the name of a fragment shader uniform of type float that holds whether HDR rendering is enabled (1.0) or not (0.0).
  • Added new function bbmod_shader_set_normal_matrix, which sets the BBMOD_U_NORMAL_MATRIX uniform.
  • Added new function bbmod_shader_set_texture_offset, which sets the BBMOD_U_TEXTURE_OFFSET uniform.
  • Added new function bbmod_shader_set_texture_scale, which sets the BBMOD_U_TEXTURE_SCALE uniform.
  • Added new function bbmod_shader_set_bones, which sets the BBMOD_U_BONES uniform.
  • Added new function bbmod_shader_set_batch_data, which sets the BBMOD_U_BATCH_DATA uniform.
  • Added new function bbmod_shader_set_instance_id, which sets the BBMOD_U_INSTANCE_ID uniform.
  • Added new function bbmod_shader_set_material_index, which sets the BBMOD_U_MATERIAL_INDEX uniform.
  • Added new function bbmod_shader_set_base_opacity_multiplier, which sets the BBMOD_U_BASE_OPACITY_MULTIPLIER uniform.
  • Added new function bbmod_shader_set_normal_smoothness, which sets uniforms BBMOD_U_NORMAL_W and BBMOD_U_IS_ROUGHNESS.
  • Added new function bbmod_shader_set_normal_roughness, which sets uniforms BBMOD_U_NORMAL_W and BBMOD_U_IS_ROUGHNESS.
  • Added new function bbmod_shader_set_specular_color, which sets uniforms BBMOD_U_MATERIAL and BBMOD_U_IS_METALLIC.
  • Added new function bbmod_shader_set_metallic_ao, which sets uniforms BBMOD_U_MATERIAL and BBMOD_U_IS_METALLIC.
  • Added new function bbmod_shader_set_subsurface, which sets the BBMOD_U_SUBSURFACE uniform.
  • Added new function bbmod_shader_set_emissive, which sets the BBMOD_U_EMISSIVE uniform.
  • Added new function bbmod_shader_set_lightmap, which sets the BBMOD_U_LIGHTMAP uniform.
  • Added new function bbmod_shader_set_base_opacity_uv, which sets the BBMOD_U_BASE_OPACITY_UV uniform.
  • Added new function bbmod_shader_set_normal_w_uv, which sets the BBMOD_U_NORMAL_W_UV uniform.
  • Added new function bbmod_shader_set_material_uv, which sets the BBMOD_U_MATERIAL_UV uniform.
  • Added new function bbmod_shader_set_alpha_test, which sets the BBMOD_U_ALPHA_TEST uniform.
  • Added new function bbmod_shader_set_cam_pos, which sets the BBMOD_U_CAM_POS uniform.
  • Added new function bbmod_shader_set_zfar, which sets the BBMOD_U_ZFAR uniform.
  • Added new function bbmod_shader_set_exposure, which sets the BBMOD_U_EXPOSURE uniform.
  • Added new function bbmod_shader_set_soft_distance, which sets the BBMOD_U_SOFT_DISTANCE uniform.
  • Added new function bbmod_shader_set_fog, which sets uniforms BBMOD_U_FOG_COLOR, BBMOD_U_FOG_INTENSITY, BBMOD_U_FOG_START and BBMOD_U_FOG_RCP_RANGE.
  • Added new function bbmod_shader_set_ambient_light, which sets uniforms BBMOD_U_LIGHT_AMBIENT_UP, BBMOD_U_LIGHT_AMBIENT_DOWN and BBMOD_U_LIGHT_AMBIENT_DIR_UP.
  • Added new function bbmod_shader_set_directional_light, which sets uniforms BBMOD_U_LIGHT_DIRECTIONAL_DIR and BBMOD_U_LIGHT_DIRECTIONAL_COLOR.
  • Added new function bbmod_shader_set_ssao, which sets the BBMOD_U_SSAO uniform.
  • Added new function bbmod_shader_set_ibl, which sets uniforms BBMOD_U_IBL_ENABLE, BBMOD_U_IBL_TEXEL and BBMOD_U_IBL.
  • Added new function bbmod_shader_set_punctual_lights, which sets uniforms BBMOD_U_LIGHT_PUNCTUAL_DATA_A and BBMOD_U_LIGHT_PUNCTUAL_DATA_B.
  • Added new function bbmod_shader_set_shadowmap_bias, which sets the BBMOD_U_SHADOWMAP_BIAS uniform.
  • Added new function bbmod_shader_set_hdr, which sets the BBMOD_U_HDR uniform.
  • Method set_texture_offset of BBMOD_BaseShader is now deprecated! Please use the new function bbmod_shader_set_texture_offset instead.
  • Method set_texture_scale of BBMOD_BaseShader is now deprecated! Please use the new function bbmod_shader_set_texture_scale instead.
  • Method set_bones of BBMOD_BaseShader is now deprecated! Please use the new function bbmod_shader_set_bones instead.
  • Method set_batch_data of BBMOD_BaseShader is now deprecated! Please use the new function bbmod_shader_set_batch_data instead.
  • Method set_alpha_test of BBMOD_BaseShader is now deprecated! Please use the new function bbmod_shader_set_alpha_test instead.
  • Method set_cam_pos of BBMOD_BaseShader is now deprecated! Please use the new function bbmod_shader_set_cam_pos instead.
  • Method set_exposure of BBMOD_BaseShader is now deprecated! Please use the new function bbmod_shader_set_exposure instead.
  • Method set_set_instance_id of BBMOD_BaseShader is now deprecated! Please use the new function bbmod_shader_set_instance_id instead.
  • Method set_set_material_index of BBMOD_BaseShader is now deprecated! Please use the new function bbmod_shader_set_material_index instead.
  • Method set_set_ibl of BBMOD_BaseShader is now deprecated! Please use the new function bbmod_shader_set_ibl instead.
  • Method set_ambient_light of BBMOD_BaseShader is now deprecated! Please use the new function bbmod_shader_set_ambient_light instead.
  • Method set_directional_light of BBMOD_BaseShader is now deprecated! Please use the new function bbmod_shader_set_directional_light instead.
  • Method set_punctual_lights of BBMOD_BaseShader is now deprecated! Please use the new function bbmod_shader_set_punctual_lights instead.
  • Method set_fog of BBMOD_BaseShader is now deprecated! Please use the new function bbmod_shader_set_fog instead.
  • Method set_normal_smoothness of BBMOD_DefaultShader is now deprecated! Please use the new function bbmod_shader_set_normal_smoothness instead.
  • Method set_specular_color of BBMOD_DefaultShader is now deprecated! Please use the new function bbmod_shader_set_specular_color instead.
  • Method set_normal_roughness of BBMOD_DefaultShader is now deprecated! Please use the new function bbmod_shader_set_normal_roughness instead.
  • Method set_metallic_ao of BBMOD_DefaultShader is now deprecated! Please use the new function bbmod_shader_set_metallic_ao instead.
  • Method set_subsurface of BBMOD_DefaultShader is now deprecated! Please use the new function bbmod_shader_set_subsurface instead.
  • Method set_emissive of BBMOD_DefaultShader is now deprecated! Please use the new function bbmod_shader_set_emissive instead.
  • Method set_lightmap of BBMOD_DefaultLightmapShader is now deprecated! Please use the new function bbmod_shader_set_lightmap instead.
  • Fixed BBMOD_PunctualLight not affecting particles by default.
  • Fixed function bbmod_mrt_is_supported not working on Mac.
  • Fixed method clone of BBMOD_TerrainMaterial, which returned instances of BBMOD_BaseMaterial.
  • Fixed materials with AlphaBlend enabled not working in the Id render pass.
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