/*
File:   cwasm_webgl_js_imports.h
Author: Taylor Robbins
Date:   09\01\2025
*/

#ifndef _CWASM_WEBGL_JS_IMPORTS_H
#define _CWASM_WEBGL_JS_IMPORTS_H

typedef int GlId; // Really this is just an index into a javascript array that holds the real reference to the WebGL object
typedef int GlEnum;

MAYBE_EXTERN_C GlId jsGlCreateBuffer();
MAYBE_EXTERN_C void jsGlBindBuffer(GlEnum bufferType, GlId bufferId);
MAYBE_EXTERN_C void jsGlBufferData(GlEnum bufferType, u32 dataLength, const void* dataPntr, GlEnum usageHint);
MAYBE_EXTERN_C GlId jsGlCreateVertexArray();
MAYBE_EXTERN_C void jsGlBindVertexArray(GlId vaoId);
MAYBE_EXTERN_C void jsGlEnableVertexAttribArray(GlEnum location);
MAYBE_EXTERN_C void jsGlVertexAttribPointer(GlEnum attribLocation, int componentCount, GlEnum componentType, bool normalized, int stride, int offset);
MAYBE_EXTERN_C GlId jsGlCreateShader(GlEnum shaderType);
MAYBE_EXTERN_C void jsGlShaderSource(GlId shaderId, int sourceLength, const char* sourcePntr);
MAYBE_EXTERN_C void jsGlCompileShader(GlId shaderId);
MAYBE_EXTERN_C bool jsGlGetShaderParameterBool(GlId shaderId, GlEnum parameter);
MAYBE_EXTERN_C int jsGlGetShaderParameterInt(GlId shaderId, GlEnum parameter);
MAYBE_EXTERN_C GlId jsGlCreateProgram();
MAYBE_EXTERN_C void jsGlAttachShader(GlId programId, GlId shaderId);
MAYBE_EXTERN_C void jsGlLinkProgram(GlId programId);
MAYBE_EXTERN_C void jsGlUseProgram(GlId programId);
MAYBE_EXTERN_C bool jsGlGetProgramParameterBool(GlId programId, GlEnum parameter);
MAYBE_EXTERN_C int jsGlGetProgramParameterInt(GlId programId, GlEnum parameter);
MAYBE_EXTERN_C void jsGlClearColor(r32 rValue, r32 gValue, r32 bValue, r32 aValue);
MAYBE_EXTERN_C void jsGlClear(int bufferBits);
MAYBE_EXTERN_C void jsGlDrawArrays(GlEnum geometryType, int startIndex, int count);

#endif //  _CWASM_WEBGL_JS_IMPORTS_H