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Code Issues Packages Projects Releases Wiki Activity

Get rid of more pointers to make allocs predictable

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bloeys
2024-05-13 03:42:52 +04:00
parent 83c6f635e5
commit 6ea08e9826
5 changed files with 179 additions and 166 deletions
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268
main.go
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@ -523,8 +523,8 @@ func (g *Game) Init() {
// Create materials and assign any unused texture slots to black // Create materials and assign any unused texture slots to black
// //
screenQuadMat = materials.NewMaterial("Screen Quad Mat", "./res/shaders/screen-quad.glsl") screenQuadMat = materials.NewMaterial("Screen Quad Mat", "./res/shaders/screen-quad.glsl")
screenQuadMat.SetUnifVec2("scale", &demoFboScale) screenQuadMat.SetUnifVec2("scale", demoFboScale)
screenQuadMat.SetUnifVec2("offset", &demoFboOffset) screenQuadMat.SetUnifVec2("offset", demoFboOffset)
screenQuadMat.SetUnifInt32("material.diffuse", int32(materials.TextureSlot_Diffuse)) screenQuadMat.SetUnifInt32("material.diffuse", int32(materials.TextureSlot_Diffuse))
tonemappedScreenQuadMat = materials.NewMaterial("Tonemapped Screen Quad Mat", "./res/shaders/tonemapped-screen-quad.glsl") tonemappedScreenQuadMat = materials.NewMaterial("Tonemapped Screen Quad Mat", "./res/shaders/tonemapped-screen-quad.glsl")
@ -541,11 +541,11 @@ func (g *Game) Init() {
whiteMat.SetUnifInt32("material.specular", int32(materials.TextureSlot_Specular)) whiteMat.SetUnifInt32("material.specular", int32(materials.TextureSlot_Specular))
whiteMat.SetUnifInt32("material.normal", int32(materials.TextureSlot_Normal)) whiteMat.SetUnifInt32("material.normal", int32(materials.TextureSlot_Normal))
whiteMat.SetUnifInt32("material.emission", int32(materials.TextureSlot_Emission)) whiteMat.SetUnifInt32("material.emission", int32(materials.TextureSlot_Emission))
whiteMat.SetUnifVec3("ambientColor", &ambientColor) whiteMat.SetUnifVec3("ambientColor", ambientColor)
whiteMat.SetUnifFloat32("material.shininess", whiteMat.Shininess) whiteMat.SetUnifFloat32("material.shininess", whiteMat.Shininess)
whiteMat.SetUnifVec3("dirLight.dir", &dirLight.Dir) whiteMat.SetUnifVec3("dirLight.dir", dirLight.Dir)
whiteMat.SetUnifVec3("dirLight.diffuseColor", &dirLight.DiffuseColor) whiteMat.SetUnifVec3("dirLight.diffuseColor", dirLight.DiffuseColor)
whiteMat.SetUnifVec3("dirLight.specularColor", &dirLight.SpecularColor) whiteMat.SetUnifVec3("dirLight.specularColor", dirLight.SpecularColor)
whiteMat.SetUnifInt32("dirLight.shadowMap", int32(materials.TextureSlot_ShadowMap1)) whiteMat.SetUnifInt32("dirLight.shadowMap", int32(materials.TextureSlot_ShadowMap1))
whiteMat.SetUnifInt32("pointLightCubeShadowMaps", int32(materials.TextureSlot_Cubemap_Array)) whiteMat.SetUnifInt32("pointLightCubeShadowMaps", int32(materials.TextureSlot_Cubemap_Array))
whiteMat.SetUnifInt32("spotLightShadowMaps", int32(materials.TextureSlot_ShadowMap_Array1)) whiteMat.SetUnifInt32("spotLightShadowMaps", int32(materials.TextureSlot_ShadowMap_Array1))
@ -559,11 +559,11 @@ func (g *Game) Init() {
containerMat.SetUnifInt32("material.specular", int32(materials.TextureSlot_Specular)) containerMat.SetUnifInt32("material.specular", int32(materials.TextureSlot_Specular))
containerMat.SetUnifInt32("material.normal", int32(materials.TextureSlot_Normal)) containerMat.SetUnifInt32("material.normal", int32(materials.TextureSlot_Normal))
containerMat.SetUnifInt32("material.emission", int32(materials.TextureSlot_Emission)) containerMat.SetUnifInt32("material.emission", int32(materials.TextureSlot_Emission))
containerMat.SetUnifVec3("ambientColor", &ambientColor) containerMat.SetUnifVec3("ambientColor", ambientColor)
containerMat.SetUnifFloat32("material.shininess", containerMat.Shininess) containerMat.SetUnifFloat32("material.shininess", containerMat.Shininess)
containerMat.SetUnifVec3("dirLight.dir", &dirLight.Dir) containerMat.SetUnifVec3("dirLight.dir", dirLight.Dir)
containerMat.SetUnifVec3("dirLight.diffuseColor", &dirLight.DiffuseColor) containerMat.SetUnifVec3("dirLight.diffuseColor", dirLight.DiffuseColor)
containerMat.SetUnifVec3("dirLight.specularColor", &dirLight.SpecularColor) containerMat.SetUnifVec3("dirLight.specularColor", dirLight.SpecularColor)
containerMat.SetUnifInt32("dirLight.shadowMap", int32(materials.TextureSlot_ShadowMap1)) containerMat.SetUnifInt32("dirLight.shadowMap", int32(materials.TextureSlot_ShadowMap1))
containerMat.SetUnifInt32("pointLightCubeShadowMaps", int32(materials.TextureSlot_Cubemap_Array)) containerMat.SetUnifInt32("pointLightCubeShadowMaps", int32(materials.TextureSlot_Cubemap_Array))
containerMat.SetUnifInt32("spotLightShadowMaps", int32(materials.TextureSlot_ShadowMap_Array1)) containerMat.SetUnifInt32("spotLightShadowMaps", int32(materials.TextureSlot_ShadowMap_Array1))
@ -577,11 +577,11 @@ func (g *Game) Init() {
groundMat.SetUnifInt32("material.specular", int32(materials.TextureSlot_Specular)) groundMat.SetUnifInt32("material.specular", int32(materials.TextureSlot_Specular))
groundMat.SetUnifInt32("material.normal", int32(materials.TextureSlot_Normal)) groundMat.SetUnifInt32("material.normal", int32(materials.TextureSlot_Normal))
groundMat.SetUnifInt32("material.emission", int32(materials.TextureSlot_Emission)) groundMat.SetUnifInt32("material.emission", int32(materials.TextureSlot_Emission))
groundMat.SetUnifVec3("ambientColor", &ambientColor) groundMat.SetUnifVec3("ambientColor", ambientColor)
groundMat.SetUnifFloat32("material.shininess", groundMat.Shininess) groundMat.SetUnifFloat32("material.shininess", groundMat.Shininess)
groundMat.SetUnifVec3("dirLight.dir", &dirLight.Dir) groundMat.SetUnifVec3("dirLight.dir", dirLight.Dir)
groundMat.SetUnifVec3("dirLight.diffuseColor", &dirLight.DiffuseColor) groundMat.SetUnifVec3("dirLight.diffuseColor", dirLight.DiffuseColor)
groundMat.SetUnifVec3("dirLight.specularColor", &dirLight.SpecularColor) groundMat.SetUnifVec3("dirLight.specularColor", dirLight.SpecularColor)
groundMat.SetUnifInt32("dirLight.shadowMap", int32(materials.TextureSlot_ShadowMap1)) groundMat.SetUnifInt32("dirLight.shadowMap", int32(materials.TextureSlot_ShadowMap1))
groundMat.SetUnifInt32("pointLightCubeShadowMaps", int32(materials.TextureSlot_Cubemap_Array)) groundMat.SetUnifInt32("pointLightCubeShadowMaps", int32(materials.TextureSlot_Cubemap_Array))
groundMat.SetUnifInt32("spotLightShadowMaps", int32(materials.TextureSlot_ShadowMap_Array1)) groundMat.SetUnifInt32("spotLightShadowMaps", int32(materials.TextureSlot_ShadowMap_Array1))
@ -594,11 +594,11 @@ func (g *Game) Init() {
palleteMat.SetUnifInt32("material.specular", int32(materials.TextureSlot_Specular)) palleteMat.SetUnifInt32("material.specular", int32(materials.TextureSlot_Specular))
palleteMat.SetUnifInt32("material.normal", int32(materials.TextureSlot_Normal)) palleteMat.SetUnifInt32("material.normal", int32(materials.TextureSlot_Normal))
palleteMat.SetUnifInt32("material.emission", int32(materials.TextureSlot_Emission)) palleteMat.SetUnifInt32("material.emission", int32(materials.TextureSlot_Emission))
palleteMat.SetUnifVec3("ambientColor", &ambientColor) palleteMat.SetUnifVec3("ambientColor", ambientColor)
palleteMat.SetUnifFloat32("material.shininess", palleteMat.Shininess) palleteMat.SetUnifFloat32("material.shininess", palleteMat.Shininess)
palleteMat.SetUnifVec3("dirLight.dir", &dirLight.Dir) palleteMat.SetUnifVec3("dirLight.dir", dirLight.Dir)
palleteMat.SetUnifVec3("dirLight.diffuseColor", &dirLight.DiffuseColor) palleteMat.SetUnifVec3("dirLight.diffuseColor", dirLight.DiffuseColor)
palleteMat.SetUnifVec3("dirLight.specularColor", &dirLight.SpecularColor) palleteMat.SetUnifVec3("dirLight.specularColor", dirLight.SpecularColor)
palleteMat.SetUnifInt32("dirLight.shadowMap", int32(materials.TextureSlot_ShadowMap1)) palleteMat.SetUnifInt32("dirLight.shadowMap", int32(materials.TextureSlot_ShadowMap1))
palleteMat.SetUnifInt32("pointLightCubeShadowMaps", int32(materials.TextureSlot_Cubemap_Array)) palleteMat.SetUnifInt32("pointLightCubeShadowMaps", int32(materials.TextureSlot_Cubemap_Array))
palleteMat.SetUnifInt32("spotLightShadowMaps", int32(materials.TextureSlot_ShadowMap_Array1)) palleteMat.SetUnifInt32("spotLightShadowMaps", int32(materials.TextureSlot_ShadowMap_Array1))
@ -723,20 +723,20 @@ func (g *Game) updateLights() {
p := &pointLights[i] p := &pointLights[i]
indexString := "pointLights[" + strconv.Itoa(i) + "]" indexString := "pointLights[" + strconv.Itoa(i) + "]"
whiteMat.SetUnifVec3(indexString+".pos", &p.Pos) whiteMat.SetUnifVec3(indexString+".pos", p.Pos)
containerMat.SetUnifVec3(indexString+".pos", &p.Pos) containerMat.SetUnifVec3(indexString+".pos", p.Pos)
groundMat.SetUnifVec3(indexString+".pos", &p.Pos) groundMat.SetUnifVec3(indexString+".pos", p.Pos)
palleteMat.SetUnifVec3(indexString+".pos", &p.Pos) palleteMat.SetUnifVec3(indexString+".pos", p.Pos)
whiteMat.SetUnifVec3(indexString+".diffuseColor", &p.DiffuseColor) whiteMat.SetUnifVec3(indexString+".diffuseColor", p.DiffuseColor)
containerMat.SetUnifVec3(indexString+".diffuseColor", &p.DiffuseColor) containerMat.SetUnifVec3(indexString+".diffuseColor", p.DiffuseColor)
groundMat.SetUnifVec3(indexString+".diffuseColor", &p.DiffuseColor) groundMat.SetUnifVec3(indexString+".diffuseColor", p.DiffuseColor)
palleteMat.SetUnifVec3(indexString+".diffuseColor", &p.DiffuseColor) palleteMat.SetUnifVec3(indexString+".diffuseColor", p.DiffuseColor)
whiteMat.SetUnifVec3(indexString+".specularColor", &p.SpecularColor) whiteMat.SetUnifVec3(indexString+".specularColor", p.SpecularColor)
containerMat.SetUnifVec3(indexString+".specularColor", &p.SpecularColor) containerMat.SetUnifVec3(indexString+".specularColor", p.SpecularColor)
groundMat.SetUnifVec3(indexString+".specularColor", &p.SpecularColor) groundMat.SetUnifVec3(indexString+".specularColor", p.SpecularColor)
palleteMat.SetUnifVec3(indexString+".specularColor", &p.SpecularColor) palleteMat.SetUnifVec3(indexString+".specularColor", p.SpecularColor)
whiteMat.SetUnifFloat32(indexString+".constant", p.Constant) whiteMat.SetUnifFloat32(indexString+".constant", p.Constant)
containerMat.SetUnifFloat32(indexString+".constant", p.Constant) containerMat.SetUnifFloat32(indexString+".constant", p.Constant)
@ -773,25 +773,25 @@ func (g *Game) updateLights() {
indexString := "spotLights[" + strconv.Itoa(i) + "]" indexString := "spotLights[" + strconv.Itoa(i) + "]"
whiteMat.SetUnifVec3(indexString+".pos", &l.Pos) whiteMat.SetUnifVec3(indexString+".pos", l.Pos)
containerMat.SetUnifVec3(indexString+".pos", &l.Pos) containerMat.SetUnifVec3(indexString+".pos", l.Pos)
groundMat.SetUnifVec3(indexString+".pos", &l.Pos) groundMat.SetUnifVec3(indexString+".pos", l.Pos)
palleteMat.SetUnifVec3(indexString+".pos", &l.Pos) palleteMat.SetUnifVec3(indexString+".pos", l.Pos)
whiteMat.SetUnifVec3(indexString+".dir", &l.Dir) whiteMat.SetUnifVec3(indexString+".dir", l.Dir)
containerMat.SetUnifVec3(indexString+".dir", &l.Dir) containerMat.SetUnifVec3(indexString+".dir", l.Dir)
groundMat.SetUnifVec3(indexString+".dir", &l.Dir) groundMat.SetUnifVec3(indexString+".dir", l.Dir)
palleteMat.SetUnifVec3(indexString+".dir", &l.Dir) palleteMat.SetUnifVec3(indexString+".dir", l.Dir)
whiteMat.SetUnifVec3(indexString+".diffuseColor", &l.DiffuseColor) whiteMat.SetUnifVec3(indexString+".diffuseColor", l.DiffuseColor)
containerMat.SetUnifVec3(indexString+".diffuseColor", &l.DiffuseColor) containerMat.SetUnifVec3(indexString+".diffuseColor", l.DiffuseColor)
groundMat.SetUnifVec3(indexString+".diffuseColor", &l.DiffuseColor) groundMat.SetUnifVec3(indexString+".diffuseColor", l.DiffuseColor)
palleteMat.SetUnifVec3(indexString+".diffuseColor", &l.DiffuseColor) palleteMat.SetUnifVec3(indexString+".diffuseColor", l.DiffuseColor)
whiteMat.SetUnifVec3(indexString+".specularColor", &l.SpecularColor) whiteMat.SetUnifVec3(indexString+".specularColor", l.SpecularColor)
containerMat.SetUnifVec3(indexString+".specularColor", &l.SpecularColor) containerMat.SetUnifVec3(indexString+".specularColor", l.SpecularColor)
groundMat.SetUnifVec3(indexString+".specularColor", &l.SpecularColor) groundMat.SetUnifVec3(indexString+".specularColor", l.SpecularColor)
palleteMat.SetUnifVec3(indexString+".specularColor", &l.SpecularColor) palleteMat.SetUnifVec3(indexString+".specularColor", l.SpecularColor)
whiteMat.SetUnifFloat32(indexString+".innerCutoff", innerCutoffCos) whiteMat.SetUnifFloat32(indexString+".innerCutoff", innerCutoffCos)
containerMat.SetUnifFloat32(indexString+".innerCutoff", innerCutoffCos) containerMat.SetUnifFloat32(indexString+".innerCutoff", innerCutoffCos)
@ -863,10 +863,10 @@ func (g *Game) showDebugWindow() {
imgui.Text("Ambient Light") imgui.Text("Ambient Light")
if imgui.DragFloat3("Ambient Color", &ambientColor.Data) { if imgui.DragFloat3("Ambient Color", &ambientColor.Data) {
whiteMat.SetUnifVec3("ambientColor", &ambientColor) whiteMat.SetUnifVec3("ambientColor", ambientColor)
containerMat.SetUnifVec3("ambientColor", &ambientColor) containerMat.SetUnifVec3("ambientColor", ambientColor)
groundMat.SetUnifVec3("ambientColor", &ambientColor) groundMat.SetUnifVec3("ambientColor", ambientColor)
palleteMat.SetUnifVec3("ambientColor", &ambientColor) palleteMat.SetUnifVec3("ambientColor", ambientColor)
} }
imgui.Spacing() imgui.Spacing()
@ -877,24 +877,24 @@ func (g *Game) showDebugWindow() {
imgui.Checkbox("Render Directional Light Shadows", &renderDirLightShadows) imgui.Checkbox("Render Directional Light Shadows", &renderDirLightShadows)
if imgui.DragFloat3("Direction", &dirLight.Dir.Data) { if imgui.DragFloat3("Direction", &dirLight.Dir.Data) {
whiteMat.SetUnifVec3("dirLight.dir", &dirLight.Dir) whiteMat.SetUnifVec3("dirLight.dir", dirLight.Dir)
containerMat.SetUnifVec3("dirLight.dir", &dirLight.Dir) containerMat.SetUnifVec3("dirLight.dir", dirLight.Dir)
groundMat.SetUnifVec3("dirLight.dir", &dirLight.Dir) groundMat.SetUnifVec3("dirLight.dir", dirLight.Dir)
palleteMat.SetUnifVec3("dirLight.dir", &dirLight.Dir) palleteMat.SetUnifVec3("dirLight.dir", dirLight.Dir)
} }
if imgui.DragFloat3("Diffuse Color", &dirLight.DiffuseColor.Data) { if imgui.DragFloat3("Diffuse Color", &dirLight.DiffuseColor.Data) {
whiteMat.SetUnifVec3("dirLight.diffuseColor", &dirLight.DiffuseColor) whiteMat.SetUnifVec3("dirLight.diffuseColor", dirLight.DiffuseColor)
containerMat.SetUnifVec3("dirLight.diffuseColor", &dirLight.DiffuseColor) containerMat.SetUnifVec3("dirLight.diffuseColor", dirLight.DiffuseColor)
groundMat.SetUnifVec3("dirLight.diffuseColor", &dirLight.DiffuseColor) groundMat.SetUnifVec3("dirLight.diffuseColor", dirLight.DiffuseColor)
palleteMat.SetUnifVec3("dirLight.diffuseColor", &dirLight.DiffuseColor) palleteMat.SetUnifVec3("dirLight.diffuseColor", dirLight.DiffuseColor)
} }
if imgui.DragFloat3("Specular Color", &dirLight.SpecularColor.Data) { if imgui.DragFloat3("Specular Color", &dirLight.SpecularColor.Data) {
whiteMat.SetUnifVec3("dirLight.specularColor", &dirLight.SpecularColor) whiteMat.SetUnifVec3("dirLight.specularColor", dirLight.SpecularColor)
containerMat.SetUnifVec3("dirLight.specularColor", &dirLight.SpecularColor) containerMat.SetUnifVec3("dirLight.specularColor", dirLight.SpecularColor)
groundMat.SetUnifVec3("dirLight.specularColor", &dirLight.SpecularColor) groundMat.SetUnifVec3("dirLight.specularColor", dirLight.SpecularColor)
palleteMat.SetUnifVec3("dirLight.specularColor", &dirLight.SpecularColor) palleteMat.SetUnifVec3("dirLight.specularColor", dirLight.SpecularColor)
} }
imgui.DragFloat3("dPos", &dirLightPos.Data) imgui.DragFloat3("dPos", &dirLightPos.Data)
@ -932,24 +932,24 @@ func (g *Game) showDebugWindow() {
indexString := "pointLights[" + indexNumString + "]" indexString := "pointLights[" + indexNumString + "]"
if imgui.DragFloat3("Pos", &pl.Pos.Data) { if imgui.DragFloat3("Pos", &pl.Pos.Data) {
whiteMat.SetUnifVec3(indexString+".pos", &pl.Pos) whiteMat.SetUnifVec3(indexString+".pos", pl.Pos)
containerMat.SetUnifVec3(indexString+".pos", &pl.Pos) containerMat.SetUnifVec3(indexString+".pos", pl.Pos)
groundMat.SetUnifVec3(indexString+".pos", &pl.Pos) groundMat.SetUnifVec3(indexString+".pos", pl.Pos)
palleteMat.SetUnifVec3(indexString+".pos", &pl.Pos) palleteMat.SetUnifVec3(indexString+".pos", pl.Pos)
} }
if imgui.DragFloat3("Diffuse Color", &pl.DiffuseColor.Data) { if imgui.DragFloat3("Diffuse Color", &pl.DiffuseColor.Data) {
whiteMat.SetUnifVec3(indexString+".diffuseColor", &pl.DiffuseColor) whiteMat.SetUnifVec3(indexString+".diffuseColor", pl.DiffuseColor)
containerMat.SetUnifVec3(indexString+".diffuseColor", &pl.DiffuseColor) containerMat.SetUnifVec3(indexString+".diffuseColor", pl.DiffuseColor)
groundMat.SetUnifVec3(indexString+".diffuseColor", &pl.DiffuseColor) groundMat.SetUnifVec3(indexString+".diffuseColor", pl.DiffuseColor)
palleteMat.SetUnifVec3(indexString+".diffuseColor", &pl.DiffuseColor) palleteMat.SetUnifVec3(indexString+".diffuseColor", pl.DiffuseColor)
} }
if imgui.DragFloat3("Specular Color", &pl.SpecularColor.Data) { if imgui.DragFloat3("Specular Color", &pl.SpecularColor.Data) {
whiteMat.SetUnifVec3(indexString+".specularColor", &pl.SpecularColor) whiteMat.SetUnifVec3(indexString+".specularColor", pl.SpecularColor)
containerMat.SetUnifVec3(indexString+".specularColor", &pl.SpecularColor) containerMat.SetUnifVec3(indexString+".specularColor", pl.SpecularColor)
groundMat.SetUnifVec3(indexString+".specularColor", &pl.SpecularColor) groundMat.SetUnifVec3(indexString+".specularColor", pl.SpecularColor)
palleteMat.SetUnifVec3(indexString+".specularColor", &pl.SpecularColor) palleteMat.SetUnifVec3(indexString+".specularColor", pl.SpecularColor)
} }
imgui.TreePop() imgui.TreePop()
@ -975,31 +975,31 @@ func (g *Game) showDebugWindow() {
indexString := "spotLights[" + indexNumString + "]" indexString := "spotLights[" + indexNumString + "]"
if imgui.DragFloat3("Pos", &l.Pos.Data) { if imgui.DragFloat3("Pos", &l.Pos.Data) {
whiteMat.SetUnifVec3(indexString+".pos", &l.Pos) whiteMat.SetUnifVec3(indexString+".pos", l.Pos)
containerMat.SetUnifVec3(indexString+".pos", &l.Pos) containerMat.SetUnifVec3(indexString+".pos", l.Pos)
groundMat.SetUnifVec3(indexString+".pos", &l.Pos) groundMat.SetUnifVec3(indexString+".pos", l.Pos)
palleteMat.SetUnifVec3(indexString+".pos", &l.Pos) palleteMat.SetUnifVec3(indexString+".pos", l.Pos)
} }
if imgui.DragFloat3("Dir", &l.Dir.Data) { if imgui.DragFloat3("Dir", &l.Dir.Data) {
whiteMat.SetUnifVec3(indexString+".dir", &l.Dir) whiteMat.SetUnifVec3(indexString+".dir", l.Dir)
containerMat.SetUnifVec3(indexString+".dir", &l.Dir) containerMat.SetUnifVec3(indexString+".dir", l.Dir)
groundMat.SetUnifVec3(indexString+".dir", &l.Dir) groundMat.SetUnifVec3(indexString+".dir", l.Dir)
palleteMat.SetUnifVec3(indexString+".dir", &l.Dir) palleteMat.SetUnifVec3(indexString+".dir", l.Dir)
} }
if imgui.DragFloat3("Diffuse Color", &l.DiffuseColor.Data) { if imgui.DragFloat3("Diffuse Color", &l.DiffuseColor.Data) {
whiteMat.SetUnifVec3(indexString+".diffuseColor", &l.DiffuseColor) whiteMat.SetUnifVec3(indexString+".diffuseColor", l.DiffuseColor)
containerMat.SetUnifVec3(indexString+".diffuseColor", &l.DiffuseColor) containerMat.SetUnifVec3(indexString+".diffuseColor", l.DiffuseColor)
groundMat.SetUnifVec3(indexString+".diffuseColor", &l.DiffuseColor) groundMat.SetUnifVec3(indexString+".diffuseColor", l.DiffuseColor)
palleteMat.SetUnifVec3(indexString+".diffuseColor", &l.DiffuseColor) palleteMat.SetUnifVec3(indexString+".diffuseColor", l.DiffuseColor)
} }
if imgui.DragFloat3("Specular Color", &l.SpecularColor.Data) { if imgui.DragFloat3("Specular Color", &l.SpecularColor.Data) {
whiteMat.SetUnifVec3(indexString+".specularColor", &l.SpecularColor) whiteMat.SetUnifVec3(indexString+".specularColor", l.SpecularColor)
containerMat.SetUnifVec3(indexString+".specularColor", &l.SpecularColor) containerMat.SetUnifVec3(indexString+".specularColor", l.SpecularColor)
groundMat.SetUnifVec3(indexString+".specularColor", &l.SpecularColor) groundMat.SetUnifVec3(indexString+".specularColor", l.SpecularColor)
palleteMat.SetUnifVec3(indexString+".specularColor", &l.SpecularColor) palleteMat.SetUnifVec3(indexString+".specularColor", l.SpecularColor)
} }
if imgui.DragFloat("Inner Cutoff Radians", &l.InnerCutoffRad) { if imgui.DragFloat("Inner Cutoff Radians", &l.InnerCutoffRad) {
@ -1129,10 +1129,10 @@ var (
func (g *Game) Render() { func (g *Game) Render() {
whiteMat.SetUnifVec3("camPos", &cam.Pos) whiteMat.SetUnifVec3("camPos", cam.Pos)
containerMat.SetUnifVec3("camPos", &cam.Pos) containerMat.SetUnifVec3("camPos", cam.Pos)
groundMat.SetUnifVec3("camPos", &cam.Pos) groundMat.SetUnifVec3("camPos", cam.Pos)
palleteMat.SetUnifVec3("camPos", &cam.Pos) palleteMat.SetUnifVec3("camPos", cam.Pos)
rotatingCubeTrMat1.Rotate(rotatingCubeSpeedDeg1*gglm.Deg2Rad*timing.DT(), 0, 1, 0) rotatingCubeTrMat1.Rotate(rotatingCubeSpeedDeg1*gglm.Deg2Rad*timing.DT(), 0, 1, 0)
rotatingCubeTrMat2.Rotate(rotatingCubeSpeedDeg2*gglm.Deg2Rad*timing.DT(), 1, 1, 0) rotatingCubeTrMat2.Rotate(rotatingCubeSpeedDeg2*gglm.Deg2Rad*timing.DT(), 1, 1, 0)
@ -1175,12 +1175,12 @@ func (g *Game) renderDirectionalLightShadowmap() {
// Set some uniforms // Set some uniforms
dirLightProjViewMat := dirLight.GetProjViewMat() dirLightProjViewMat := dirLight.GetProjViewMat()
whiteMat.SetUnifMat4("dirLightProjViewMat", &dirLightProjViewMat) whiteMat.SetUnifMat4("dirLightProjViewMat", dirLightProjViewMat)
containerMat.SetUnifMat4("dirLightProjViewMat", &dirLightProjViewMat) containerMat.SetUnifMat4("dirLightProjViewMat", dirLightProjViewMat)
groundMat.SetUnifMat4("dirLightProjViewMat", &dirLightProjViewMat) groundMat.SetUnifMat4("dirLightProjViewMat", dirLightProjViewMat)
palleteMat.SetUnifMat4("dirLightProjViewMat", &dirLightProjViewMat) palleteMat.SetUnifMat4("dirLightProjViewMat", dirLightProjViewMat)
depthMapMat.SetUnifMat4("projViewMat", &dirLightProjViewMat) depthMapMat.SetUnifMat4("projViewMat", dirLightProjViewMat)
// Start rendering // Start rendering
dirLightDepthMapFbo.BindWithViewport() dirLightDepthMapFbo.BindWithViewport()
@ -1199,10 +1199,10 @@ func (g *Game) renderDirectionalLightShadowmap() {
if showDirLightDepthMapFbo { if showDirLightDepthMapFbo {
screenQuadMat.DiffuseTex = dirLightDepthMapFbo.Attachments[0].Id screenQuadMat.DiffuseTex = dirLightDepthMapFbo.Attachments[0].Id
screenQuadMat.SetUnifVec2("offset", &dirLightDepthMapFboOffset) screenQuadMat.SetUnifVec2("offset", dirLightDepthMapFboOffset)
screenQuadMat.SetUnifVec2("scale", &dirLightDepthMapFboScale) screenQuadMat.SetUnifVec2("scale", dirLightDepthMapFboScale)
screenQuadMat.Bind() screenQuadMat.Bind()
window.Rend.DrawVertexArray(&screenQuadMat, &screenQuadVao, 0, 6) window.Rend.DrawVertexArray(screenQuadMat, screenQuadVao, 0, 6)
} }
} }
@ -1217,13 +1217,13 @@ func (g *Game) renderSpotLightShadowmaps() {
// Set render uniforms // Set render uniforms
projViewMat := l.GetProjViewMat() projViewMat := l.GetProjViewMat()
whiteMat.SetUnifMat4(projViewMatIndexStr, &projViewMat) whiteMat.SetUnifMat4(projViewMatIndexStr, projViewMat)
containerMat.SetUnifMat4(projViewMatIndexStr, &projViewMat) containerMat.SetUnifMat4(projViewMatIndexStr, projViewMat)
groundMat.SetUnifMat4(projViewMatIndexStr, &projViewMat) groundMat.SetUnifMat4(projViewMatIndexStr, projViewMat)
palleteMat.SetUnifMat4(projViewMatIndexStr, &projViewMat) palleteMat.SetUnifMat4(projViewMatIndexStr, projViewMat)
// Set depth uniforms // Set depth uniforms
arrayDepthMapMat.SetUnifMat4("projViewMats["+indexStr+"]", &projViewMat) arrayDepthMapMat.SetUnifMat4("projViewMats["+indexStr+"]", projViewMat)
} }
// Render // Render
@ -1248,14 +1248,14 @@ func (g *Game) renderPointLightShadowmaps() {
p := &pointLights[i] p := &pointLights[i]
// Generic uniforms // Generic uniforms
omnidirDepthMapMat.SetUnifVec3("lightPos", &p.Pos) omnidirDepthMapMat.SetUnifVec3("lightPos", p.Pos)
omnidirDepthMapMat.SetUnifInt32("cubemapIndex", int32(i)) omnidirDepthMapMat.SetUnifInt32("cubemapIndex", int32(i))
omnidirDepthMapMat.SetUnifFloat32("farPlane", p.FarPlane) omnidirDepthMapMat.SetUnifFloat32("farPlane", p.FarPlane)
// Set projView matrices // Set projView matrices
projViewMats := p.GetProjViewMats(float32(pointLightDepthMapFbo.Width), float32(pointLightDepthMapFbo.Height)) projViewMats := p.GetProjViewMats(float32(pointLightDepthMapFbo.Width), float32(pointLightDepthMapFbo.Height))
for j := 0; j < len(projViewMats); j++ { for j := 0; j < len(projViewMats); j++ {
omnidirDepthMapMat.SetUnifMat4("cubemapProjViewMats["+strconv.Itoa(j)+"]", &projViewMats[j]) omnidirDepthMapMat.SetUnifMat4("cubemapProjViewMats["+strconv.Itoa(j)+"]", projViewMats[j])
} }
g.RenderScene(&omnidirDepthMapMat) g.RenderScene(&omnidirDepthMapMat)
@ -1282,10 +1282,10 @@ func (g *Game) renderDemoFbo() {
demoFbo.UnBind() demoFbo.UnBind()
screenQuadMat.DiffuseTex = demoFbo.Attachments[0].Id screenQuadMat.DiffuseTex = demoFbo.Attachments[0].Id
screenQuadMat.SetUnifVec2("offset", &demoFboOffset) screenQuadMat.SetUnifVec2("offset", demoFboOffset)
screenQuadMat.SetUnifVec2("scale", &demoFboScale) screenQuadMat.SetUnifVec2("scale", demoFboScale)
window.Rend.DrawVertexArray(&screenQuadMat, &screenQuadVao, 0, 6) window.Rend.DrawVertexArray(screenQuadMat, screenQuadVao, 0, 6)
} }
func (g *Game) renderHdrFbo() { func (g *Game) renderHdrFbo() {
@ -1302,56 +1302,56 @@ func (g *Game) renderHdrFbo() {
hdrFbo.UnBind() hdrFbo.UnBind()
tonemappedScreenQuadMat.DiffuseTex = hdrFbo.Attachments[0].Id tonemappedScreenQuadMat.DiffuseTex = hdrFbo.Attachments[0].Id
window.Rend.DrawVertexArray(&tonemappedScreenQuadMat, &screenQuadVao, 0, 6) window.Rend.DrawVertexArray(tonemappedScreenQuadMat, screenQuadVao, 0, 6)
} }
func (g *Game) RenderScene(overrideMat *materials.Material) { func (g *Game) RenderScene(overrideMat *materials.Material) {
tempModelMatrix := cubeModelMat.Clone() tempModelMatrix := *cubeModelMat.Clone()
// See if we need overrides // See if we need overrides
sunMat := &palleteMat sunMat := palleteMat
chairMat := &palleteMat chairMat := palleteMat
cubeMat := &containerMat cubeMat := containerMat
groundMat := &groundMat groundMat := groundMat
if overrideMat != nil { if overrideMat != nil {
sunMat = overrideMat sunMat = *overrideMat
chairMat = overrideMat chairMat = *overrideMat
cubeMat = overrideMat cubeMat = *overrideMat
groundMat = overrideMat groundMat = *overrideMat
} }
// Draw dir light // Draw dir light
dirLightTrMat := gglm.NewTrMatId() dirLightTrMat := gglm.NewTrMatId()
window.Rend.DrawMesh(&sphereMesh, dirLightTrMat.Translate(0, 10, 0).Scale(0.1, 0.1, 0.1), sunMat) window.Rend.DrawMesh(sphereMesh, *dirLightTrMat.Translate(0, 10, 0).Scale(0.1, 0.1, 0.1), sunMat)
// Draw point lights // Draw point lights
for i := 0; i < len(pointLights); i++ { for i := 0; i < len(pointLights); i++ {
pl := &pointLights[i] pl := &pointLights[i]
plTrMat := gglm.NewTrMatId() plTrMat := gglm.NewTrMatId()
window.Rend.DrawMesh(&cubeMesh, plTrMat.TranslateVec(&pl.Pos).Scale(0.1, 0.1, 0.1), sunMat) window.Rend.DrawMesh(cubeMesh, *plTrMat.TranslateVec(&pl.Pos).Scale(0.1, 0.1, 0.1), sunMat)
} }
// Chair // Chair
window.Rend.DrawMesh(&chairMesh, tempModelMatrix, chairMat) window.Rend.DrawMesh(chairMesh, tempModelMatrix, chairMat)
// Ground // Ground
groundTrMat := gglm.NewTrMatId() groundTrMat := gglm.NewTrMatId()
window.Rend.DrawMesh(&cubeMesh, groundTrMat.Translate(0, -3, 0).Scale(20, 1, 20), groundMat) window.Rend.DrawMesh(cubeMesh, *groundTrMat.Translate(0, -3, 0).Scale(20, 1, 20), groundMat)
// Cubes // Cubes
tempModelMatrix.Translate(-6, 0, 0) tempModelMatrix.Translate(-6, 0, 0)
window.Rend.DrawMesh(&cubeMesh, tempModelMatrix, cubeMat) window.Rend.DrawMesh(cubeMesh, tempModelMatrix, cubeMat)
tempModelMatrix.Translate(0, -1, -4) tempModelMatrix.Translate(0, -1, -4)
window.Rend.DrawMesh(&cubeMesh, tempModelMatrix, cubeMat) window.Rend.DrawMesh(cubeMesh, tempModelMatrix, cubeMat)
// Rotating cubes // Rotating cubes
window.Rend.DrawMesh(&cubeMesh, &rotatingCubeTrMat1, cubeMat) window.Rend.DrawMesh(cubeMesh, rotatingCubeTrMat1, cubeMat)
window.Rend.DrawMesh(&cubeMesh, &rotatingCubeTrMat2, cubeMat) window.Rend.DrawMesh(cubeMesh, rotatingCubeTrMat2, cubeMat)
window.Rend.DrawMesh(&cubeMesh, &rotatingCubeTrMat3, cubeMat) window.Rend.DrawMesh(cubeMesh, rotatingCubeTrMat3, cubeMat)
// Cubes generator // Cubes generator
// rowSize := 1 // rowSize := 1
@ -1369,7 +1369,7 @@ func (g *Game) DrawSkybox() {
gl.Disable(gl.CULL_FACE) gl.Disable(gl.CULL_FACE)
gl.DepthFunc(gl.LEQUAL) gl.DepthFunc(gl.LEQUAL)
window.Rend.DrawCubemap(&skyboxMesh, &skyboxMat) window.Rend.DrawCubemap(skyboxMesh, skyboxMat)
gl.DepthFunc(gl.LESS) gl.DepthFunc(gl.LESS)
gl.Enable(gl.CULL_FACE) gl.Enable(gl.CULL_FACE)
@ -1384,7 +1384,7 @@ func (g *Game) DeInit() {
func updateAllProjViewMats(projMat, viewMat gglm.Mat4) { func updateAllProjViewMats(projMat, viewMat gglm.Mat4) {
projViewMat := projMat.Clone().Mul(&viewMat) projViewMat := *projMat.Clone().Mul(&viewMat)
unlitMat.SetUnifMat4("projViewMat", projViewMat) unlitMat.SetUnifMat4("projViewMat", projViewMat)
whiteMat.SetUnifMat4("projViewMat", projViewMat) whiteMat.SetUnifMat4("projViewMat", projViewMat)
@ -1402,5 +1402,5 @@ func updateAllProjViewMats(projMat, viewMat gglm.Mat4) {
skyboxViewMat.Set(3, 1, 0) skyboxViewMat.Set(3, 1, 0)
skyboxViewMat.Set(3, 2, 0) skyboxViewMat.Set(3, 2, 0)
skyboxViewMat.Set(3, 3, 0) skyboxViewMat.Set(3, 3, 0)
skyboxMat.SetUnifMat4("projViewMat", projMat.Clone().Mul(skyboxViewMat)) skyboxMat.SetUnifMat4("projViewMat", *projMat.Clone().Mul(skyboxViewMat))
} }

24
materials/material.go
View File

@ -9,6 +9,10 @@ import (
"github.com/go-gl/gl/v4.1-core/gl" "github.com/go-gl/gl/v4.1-core/gl"
) )
var (
lastMatId uint32
)
type TextureSlot uint32 type TextureSlot uint32
const ( const (
@ -43,6 +47,7 @@ func (ms *MaterialSettings) Has(flags MaterialSettings) bool {
} }
type Material struct { type Material struct {
Id uint32
Name string Name string
ShaderProg shaders.ShaderProgram ShaderProg shaders.ShaderProgram
Settings MaterialSettings Settings MaterialSettings
@ -153,27 +158,27 @@ func (m *Material) SetUnifFloat32(uniformName string, val float32) {
gl.ProgramUniform1f(m.ShaderProg.Id, m.GetUnifLoc(uniformName), val) gl.ProgramUniform1f(m.ShaderProg.Id, m.GetUnifLoc(uniformName), val)
} }
func (m *Material) SetUnifVec2(uniformName string, vec2 *gglm.Vec2) { func (m *Material) SetUnifVec2(uniformName string, vec2 gglm.Vec2) {
gl.ProgramUniform2fv(m.ShaderProg.Id, m.GetUnifLoc(uniformName), 1, &vec2.Data[0]) gl.ProgramUniform2fv(m.ShaderProg.Id, m.GetUnifLoc(uniformName), 1, &vec2.Data[0])
} }
func (m *Material) SetUnifVec3(uniformName string, vec3 *gglm.Vec3) { func (m *Material) SetUnifVec3(uniformName string, vec3 gglm.Vec3) {
gl.ProgramUniform3fv(m.ShaderProg.Id, m.GetUnifLoc(uniformName), 1, &vec3.Data[0]) gl.ProgramUniform3fv(m.ShaderProg.Id, m.GetUnifLoc(uniformName), 1, &vec3.Data[0])
} }
func (m *Material) SetUnifVec4(uniformName string, vec4 *gglm.Vec4) { func (m *Material) SetUnifVec4(uniformName string, vec4 gglm.Vec4) {
gl.ProgramUniform4fv(m.ShaderProg.Id, m.GetUnifLoc(uniformName), 1, &vec4.Data[0]) gl.ProgramUniform4fv(m.ShaderProg.Id, m.GetUnifLoc(uniformName), 1, &vec4.Data[0])
} }
func (m *Material) SetUnifMat2(uniformName string, mat2 *gglm.Mat2) { func (m *Material) SetUnifMat2(uniformName string, mat2 gglm.Mat2) {
gl.ProgramUniformMatrix2fv(m.ShaderProg.Id, m.GetUnifLoc(uniformName), 1, false, &mat2.Data[0][0]) gl.ProgramUniformMatrix2fv(m.ShaderProg.Id, m.GetUnifLoc(uniformName), 1, false, &mat2.Data[0][0])
} }
func (m *Material) SetUnifMat3(uniformName string, mat3 *gglm.Mat3) { func (m *Material) SetUnifMat3(uniformName string, mat3 gglm.Mat3) {
gl.ProgramUniformMatrix3fv(m.ShaderProg.Id, m.GetUnifLoc(uniformName), 1, false, &mat3.Data[0][0]) gl.ProgramUniformMatrix3fv(m.ShaderProg.Id, m.GetUnifLoc(uniformName), 1, false, &mat3.Data[0][0])
} }
func (m *Material) SetUnifMat4(uniformName string, mat4 *gglm.Mat4) { func (m *Material) SetUnifMat4(uniformName string, mat4 gglm.Mat4) {
gl.ProgramUniformMatrix4fv(m.ShaderProg.Id, m.GetUnifLoc(uniformName), 1, false, &mat4.Data[0][0]) gl.ProgramUniformMatrix4fv(m.ShaderProg.Id, m.GetUnifLoc(uniformName), 1, false, &mat4.Data[0][0])
} }
@ -181,6 +186,11 @@ func (m *Material) Delete() {
gl.DeleteProgram(m.ShaderProg.Id) gl.DeleteProgram(m.ShaderProg.Id)
} }
func getNewMatId() uint32 {
lastMatId++
return lastMatId
}
func NewMaterial(matName, shaderPath string) Material { func NewMaterial(matName, shaderPath string) Material {
shdrProg, err := shaders.LoadAndCompileCombinedShader(shaderPath) shdrProg, err := shaders.LoadAndCompileCombinedShader(shaderPath)
@ -189,6 +199,7 @@ func NewMaterial(matName, shaderPath string) Material {
} }
return Material{ return Material{
Id: getNewMatId(),
Name: matName, Name: matName,
ShaderProg: shdrProg, ShaderProg: shdrProg,
UnifLocs: make(map[string]int32), UnifLocs: make(map[string]int32),
@ -209,6 +220,7 @@ func NewMaterialSrc(matName string, shaderSrc []byte) Material {
} }
return Material{ return Material{
Id: getNewMatId(),
Name: matName, Name: matName,
ShaderProg: shdrProg, ShaderProg: shdrProg,
UnifLocs: make(map[string]int32), UnifLocs: make(map[string]int32),

45
renderer/rend3dgl/rend3dgl.go
View File

@ -12,30 +12,30 @@ import (
var _ renderer.Render = &Rend3DGL{} var _ renderer.Render = &Rend3DGL{}
type Rend3DGL struct { type Rend3DGL struct {
BoundVao *buffers.VertexArray BoundVaoId uint32
BoundMesh *meshes.Mesh BoundMatId uint32
BoundMat *materials.Material BoundMeshVaoId uint32
} }
func (r *Rend3DGL) DrawMesh(mesh *meshes.Mesh, modelMat *gglm.TrMat, mat *materials.Material) { func (r *Rend3DGL) DrawMesh(mesh meshes.Mesh, modelMat gglm.TrMat, mat materials.Material) {
if mesh != r.BoundMesh { if mesh.Vao.Id != r.BoundMeshVaoId {
mesh.Vao.Bind() mesh.Vao.Bind()
r.BoundMesh = mesh r.BoundMeshVaoId = mesh.Vao.Id
} }
if mat != r.BoundMat { if mat.Id != r.BoundMatId {
mat.Bind() mat.Bind()
r.BoundMat = mat r.BoundMatId = mat.Id
} }
if mat.Settings.Has(materials.MaterialSettings_HasModelMtx) { if mat.Settings.Has(materials.MaterialSettings_HasModelMtx) {
mat.SetUnifMat4("modelMat", &modelMat.Mat4) mat.SetUnifMat4("modelMat", modelMat.Mat4)
} }
if mat.Settings.Has(materials.MaterialSettings_HasNormalMtx) { if mat.Settings.Has(materials.MaterialSettings_HasNormalMtx) {
normalMat := modelMat.Clone().InvertAndTranspose().ToMat3() normalMat := modelMat.Clone().InvertAndTranspose().ToMat3()
mat.SetUnifMat3("normalMat", &normalMat) mat.SetUnifMat3("normalMat", normalMat)
} }
for i := 0; i < len(mesh.SubMeshes); i++ { for i := 0; i < len(mesh.SubMeshes); i++ {
@ -43,31 +43,31 @@ func (r *Rend3DGL) DrawMesh(mesh *meshes.Mesh, modelMat *gglm.TrMat, mat *materi
} }
} }
func (r *Rend3DGL) DrawVertexArray(mat *materials.Material, vao *buffers.VertexArray, firstElement int32, elementCount int32) { func (r *Rend3DGL) DrawVertexArray(mat materials.Material, vao buffers.VertexArray, firstElement int32, elementCount int32) {
if vao != r.BoundVao { if vao.Id != r.BoundVaoId {
vao.Bind() vao.Bind()
r.BoundVao = vao r.BoundVaoId = vao.Id
} }
if mat != r.BoundMat { if mat.Id != r.BoundMatId {
mat.Bind() mat.Bind()
r.BoundMat = mat r.BoundMatId = mat.Id
} }
gl.DrawArrays(gl.TRIANGLES, firstElement, elementCount) gl.DrawArrays(gl.TRIANGLES, firstElement, elementCount)
} }
func (r *Rend3DGL) DrawCubemap(mesh *meshes.Mesh, mat *materials.Material) { func (r *Rend3DGL) DrawCubemap(mesh meshes.Mesh, mat materials.Material) {
if mesh != r.BoundMesh { if mesh.Vao.Id != r.BoundMeshVaoId {
mesh.Vao.Bind() mesh.Vao.Bind()
r.BoundMesh = mesh r.BoundMeshVaoId = mesh.Vao.Id
} }
if mat != r.BoundMat { if mat.Id != r.BoundMatId {
mat.Bind() mat.Bind()
r.BoundMat = mat r.BoundMatId = mat.Id
} }
for i := 0; i < len(mesh.SubMeshes); i++ { for i := 0; i < len(mesh.SubMeshes); i++ {
@ -76,8 +76,9 @@ func (r *Rend3DGL) DrawCubemap(mesh *meshes.Mesh, mat *materials.Material) {
} }
func (r3d *Rend3DGL) FrameEnd() { func (r3d *Rend3DGL) FrameEnd() {
r3d.BoundMesh = nil r3d.BoundVaoId = 0
r3d.BoundMat = nil r3d.BoundMatId = 0
r3d.BoundMeshVaoId = 0
} }
func NewRend3DGL() *Rend3DGL { func NewRend3DGL() *Rend3DGL {

6
renderer/renderer.go
View File

@ -8,8 +8,8 @@ import (
) )
type Render interface { type Render interface {
DrawMesh(mesh *meshes.Mesh, trMat *gglm.TrMat, mat *materials.Material) DrawMesh(mesh meshes.Mesh, trMat gglm.TrMat, mat materials.Material)
DrawVertexArray(mat *materials.Material, vao *buffers.VertexArray, firstElement int32, count int32) DrawVertexArray(mat materials.Material, vao buffers.VertexArray, firstElement int32, count int32)
DrawCubemap(mesh *meshes.Mesh, mat *materials.Material) DrawCubemap(mesh meshes.Mesh, mat materials.Material)
FrameEnd() FrameEnd()
} }

2
ui/imgui/imgui.go
View File

@ -70,7 +70,7 @@ func (i *ImguiInfo) Render(winWidth, winHeight float32, fbWidth, fbHeight int32)
// @PERF: only update the ortho matrix on window resize // @PERF: only update the ortho matrix on window resize
orthoMat := gglm.Ortho(0, float32(winWidth), 0, float32(winHeight), 0, 20) orthoMat := gglm.Ortho(0, float32(winWidth), 0, float32(winHeight), 0, 20)
i.Mat.SetUnifMat4("ProjMtx", &orthoMat.Mat4) i.Mat.SetUnifMat4("ProjMtx", orthoMat.Mat4)
gl.BindSampler(0, 0) // Rely on combined texture/sampler state. gl.BindSampler(0, 0) // Rely on combined texture/sampler state.
// Recreate the VAO every time // Recreate the VAO every time