diff --git a/src/rlgl.h b/src/rlgl.h index fbf70051a..3b055b23e 100644 --- a/src/rlgl.h +++ b/src/rlgl.h @@ -596,6 +596,7 @@ RLAPI void rlDisableTexture(void); // Disable texture RLAPI void rlEnableTextureCubemap(unsigned int id); // Enable texture cubemap RLAPI void rlDisableTextureCubemap(void); // Disable texture cubemap RLAPI void rlTextureParameters(unsigned int id, int param, int value); // Set texture parameters (filter, wrap) +RLAPI void rlCubemapParameters(unsigned int id, int param, int value); // Set cubemap parameters (filter, wrap) // Shader state RLAPI void rlEnableShader(unsigned int id); // Enable shader program @@ -1624,6 +1625,54 @@ void rlTextureParameters(unsigned int id, int param, int value) glBindTexture(GL_TEXTURE_2D, 0); } +// Set cubemap parameters (wrap mode/filter mode) +void rlCubemapParameters(unsigned int id, int param, int value) +{ + glBindTexture(GL_TEXTURE_CUBE_MAP, id); + +#if !defined(GRAPHICS_API_OPENGL_11) + // Reset anisotropy filter, in case it was set + glTexParameterf(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAX_ANISOTROPY_EXT, 1.0f); +#endif + + switch (param) + { + case RL_TEXTURE_WRAP_S: + case RL_TEXTURE_WRAP_T: + { + if (value == RL_TEXTURE_WRAP_MIRROR_CLAMP) + { +#if !defined(GRAPHICS_API_OPENGL_11) + if (RLGL.ExtSupported.texMirrorClamp) glTexParameteri(GL_TEXTURE_CUBE_MAP, param, value); + else TRACELOG(RL_LOG_WARNING, "GL: Clamp mirror wrap mode not supported (GL_MIRROR_CLAMP_EXT)"); +#endif + } + else glTexParameteri(GL_TEXTURE_CUBE_MAP, param, value); + + } break; + case RL_TEXTURE_MAG_FILTER: + case RL_TEXTURE_MIN_FILTER: glTexParameteri(GL_TEXTURE_CUBE_MAP, param, value); break; + case RL_TEXTURE_FILTER_ANISOTROPIC: + { +#if !defined(GRAPHICS_API_OPENGL_11) + if (value <= RLGL.ExtSupported.maxAnisotropyLevel) glTexParameterf(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAX_ANISOTROPY_EXT, (float)value); + else if (RLGL.ExtSupported.maxAnisotropyLevel > 0.0f) + { + TRACELOG(RL_LOG_WARNING, "GL: Maximum anisotropic filter level supported is %iX", id, (int)RLGL.ExtSupported.maxAnisotropyLevel); + glTexParameterf(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAX_ANISOTROPY_EXT, (float)value); + } + else TRACELOG(RL_LOG_WARNING, "GL: Anisotropic filtering not supported"); +#endif + } break; +#if defined(GRAPHICS_API_OPENGL_33) + case RL_TEXTURE_MIPMAP_BIAS_RATIO: glTexParameterf(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_LOD_BIAS, value/100.0f); +#endif + default: break; + } + + glBindTexture(GL_TEXTURE_CUBE_MAP, 0); +} + // Enable shader program void rlEnableShader(unsigned int id) {