Shader: Group all shaders in one collective struct

Makes sharedstate.{cpp|h} a lot easier to read, and
adding new shaders a one liner.

src/bitmap.cpp

@@ -162,7 +162,7 @@ struct BitmapPrivate
 		if (pointArray.count() == 0)
 			return;
 
-		SimpleColorShader &shader = shState->simpleColorShader();
+		SimpleColorShader &shader = shState->shaders().simpleColor;
 		shader.bind();
 		shader.setTranslation(Vec2i());
 
@@ -396,7 +396,7 @@ void Bitmap::stretchBlt(const IntRect &destRect,
 		                     ((float) source.width() / sourceRect.w) * ((float) destRect.w / gpTex.width),
 		                     ((float) source.height() / sourceRect.h) * ((float) destRect.h / gpTex.height));
 
-		BltShader &shader = shState->bltShader();
+		BltShader &shader = shState->shaders().blt;
 		shader.bind();
 		shader.setDestination(gpTex.tex);
 		shader.setSubRect(bltSubRect);
@@ -465,7 +465,7 @@ void Bitmap::gradientFillRect(const IntRect &rect,
 
 	flush();
 
-	SimpleColorShader &shader = shState->simpleColorShader();
+	SimpleColorShader &shader = shState->shaders().simpleColor;
 	shader.bind();
 	shader.setTranslation(Vec2i());
 
@@ -530,7 +530,7 @@ void Bitmap::blur()
 
 	TEXFBO auxTex = shState->texPool().request(width(), height());
 
-	BlurShader &shader = shState->blurShader();
+	BlurShader &shader = shState->shaders().blur;
 	BlurShader::HPass &pass1 = shader.pass1;
 	BlurShader::VPass &pass2 = shader.pass2;
 
@@ -632,7 +632,7 @@ void Bitmap::radialBlur(int angle, int divisions)
 
 	glState.blendMode.pushSet(BlendAddition);
 
-	SimpleMatrixShader &shader = shState->simpleMatrixShader();
+	SimpleMatrixShader &shader = shState->shaders().simpleMatrix;
 	shader.bind();
 
 	p->bindTexture(shader);
@@ -740,7 +740,7 @@ void Bitmap::hueChange(int hue)
 	hue = wrapRange(hue, 0, 359);
 	float hueAdj = -((M_PI * 2) / 360) * hue;
 
-	HueShader &shader = shState->hueShader();
+	HueShader &shader = shState->shaders().hue;
 	shader.bind();
 	shader.setHueAdjust(hueAdj);
 
@@ -911,7 +911,7 @@ void Bitmap::drawText(const IntRect &rect, const char *str, int align)
 		                  (float) gpTexSize.x / gpTex2.width,
 		                  (float) gpTexSize.y / gpTex2.height);
 
-		BltShader &shader = shState->bltShader();
+		BltShader &shader = shState->shaders().blt;
 		shader.bind();
 		shader.setTexSize(gpTexSize);
 		shader.setSource();

src/graphics.cpp

@@ -154,7 +154,7 @@ public:
 #ifdef RGSS2
 		if (brightEffect)
 		{
-			SimpleColorShader &shader = shState->simpleColorShader();
+			SimpleColorShader &shader = shState->shaders().simpleColor;
 			shader.bind();
 			shader.applyViewportProj();
 			shader.setTranslation(Vec2i());
@@ -177,7 +177,7 @@ public:
 		pp.blitFBOs();
 		glState.scissorTest.pop();
 
-		PlaneShader &shader = shState->planeShader();
+		PlaneShader &shader = shState->shaders().plane;
 		shader.bind();
 		shader.setColor(c);
 		shader.setFlash(f);
@@ -585,7 +585,7 @@ void Graphics::transition(int duration,
 	 * we can use a simplified shader */
 	if (transMap)
 	{
-		TransShader &shader = shState->transShader();
+		TransShader &shader = shState->shaders().trans;
 		shader.bind();
 		shader.applyViewportProj();
 		shader.setFrozenScene(p->frozenScene.tex);
@@ -596,7 +596,7 @@ void Graphics::transition(int duration,
 	}
 	else
 	{
-		SimpleTransShader &shader = shState->sTransShader();
+		SimpleTransShader &shader = shState->shaders().simpleTrans;
 		shader.bind();
 		shader.applyViewportProj();
 		shader.setFrozenScene(p->frozenScene.tex);
@@ -617,9 +617,9 @@ void Graphics::transition(int duration,
 		const float prog = i * (1.0 / duration);
 
 		if (transMap)
-			shState->transShader().setProg(prog);
+			shState->shaders().trans.setProg(prog);
 		else
-			shState->sTransShader().setProg(prog);
+			shState->shaders().simpleTrans.setProg(prog);
 
 		/* Draw the composed frame to a buffer first
 		 * (we need this because we're skipping PingPong) */

src/plane.cpp

@@ -204,7 +204,7 @@ void Plane::draw()
 
 	if (p->color->hasEffect() || p->tone->hasEffect() || p->opacity != 255)
 	{
-		PlaneShader &shader = shState->planeShader();
+		PlaneShader &shader = shState->shaders().plane;
 
 		shader.bind();
 		shader.applyViewportProj();
@@ -217,7 +217,7 @@ void Plane::draw()
 	}
 	else
 	{
-		SimpleShader &shader = shState->simpleShader();
+		SimpleShader &shader = shState->shaders().simple;
 
 		shader.bind();
 		shader.applyViewportProj();

src/shader.h

@@ -247,4 +247,25 @@ private:
 	GLint u_source, u_destination, u_subRect, u_opacity;
 };
 
+/* Global object containing all available shaders */
+struct ShaderSet
+{
+	SimpleShader simple;
+	SimpleColorShader simpleColor;
+	SimpleAlphaShader simpleAlpha;
+	SimpleSpriteShader simpleSprite;
+	SpriteShader sprite;
+	PlaneShader plane;
+	FlashMapShader flashMap;
+	TransShader trans;
+	SimpleTransShader simpleTrans;
+	HueShader hue;
+	BltShader blt;
+
+#ifdef RGSS2
+	SimpleMatrixShader simpleMatrix;
+	BlurShader blur;
+#endif
+};
+
 #endif // SHADER_H

src/sharedstate.cpp

@@ -65,22 +65,7 @@ struct SharedStatePrivate
 
 	GLState _glState;
 
-	SimpleShader simpleShader;
-	SimpleColorShader simpleColorShader;
-	SimpleAlphaShader simpleAlphaShader;
-	SimpleSpriteShader simpleSpriteShader;
-	SpriteShader spriteShader;
-	PlaneShader planeShader;
-	FlashMapShader flashMapShader;
-	TransShader transShader;
-	SimpleTransShader sTransShader;
-	HueShader hueShader;
-	BltShader bltShader;
-
-#ifdef RGSS2
-	SimpleMatrixShader simpleMatrixShader;
-	BlurShader blurShader;
-#endif
+	ShaderSet shaders;
 
 	TexPool texPool;
 	FontPool fontPool;
@@ -192,26 +177,11 @@ GSATT(Graphics&, graphics)
 GSATT(Input&, input)
 GSATT(Audio&, audio)
 GSATT(GLState&, _glState)
-GSATT(SimpleShader&, simpleShader)
-GSATT(SimpleColorShader&, simpleColorShader)
-GSATT(SimpleAlphaShader&, simpleAlphaShader)
-GSATT(SimpleSpriteShader&, simpleSpriteShader)
-GSATT(SpriteShader&, spriteShader)
-GSATT(PlaneShader&, planeShader)
-GSATT(FlashMapShader&, flashMapShader)
-GSATT(TransShader&, transShader)
-GSATT(SimpleTransShader&, sTransShader)
-GSATT(HueShader&, hueShader)
-GSATT(BltShader&, bltShader)
+GSATT(ShaderSet&, shaders)
 GSATT(TexPool&, texPool)
 GSATT(FontPool&, fontPool)
 GSATT(Quad&, gpQuad)
 
-#ifdef RGSS2
-GSATT(SimpleMatrixShader&, simpleMatrixShader)
-GSATT(BlurShader&, blurShader)
-#endif
-
 void SharedState::setBindingData(void *data)
 {
 	p->bindingData = data;

src/sharedstate.h

@@ -34,6 +34,7 @@ struct mrb_state;
 struct SDL_Window;
 struct TEXFBO;
 struct Quad;
+struct ShaderSet;
 
 class Scene;
 class FileSystem;
@@ -42,18 +43,6 @@ class Graphics;
 class Input;
 class Audio;
 class GLState;
-class SimpleShader;
-class SimpleColorShader;
-class SimpleAlphaShader;
-class SimpleSpriteShader;
-class SimpleMatrixShader;
-class SpriteShader;
-class PlaneShader;
-class FlashMapShader;
-class TransShader;
-class SimpleTransShader;
-class HueShader;
-class BltShader;
 class TexPool;
 class FontPool;
 class Font;
@@ -84,22 +73,7 @@ struct SharedState
 
 	GLState &_glState();
 
-	SimpleShader &simpleShader();
-	SimpleColorShader &simpleColorShader();
-	SimpleAlphaShader &simpleAlphaShader();
-	SimpleSpriteShader &simpleSpriteShader();
-	SpriteShader &spriteShader();
-	PlaneShader &planeShader();
-	FlashMapShader &flashMapShader();
-	TransShader &transShader();
-	SimpleTransShader &sTransShader();
-	HueShader &hueShader();
-	BltShader &bltShader();
-
-#ifdef RGSS2
-	SimpleMatrixShader &simpleMatrixShader();
-	BlurShader &blurShader();
-#endif
+	ShaderSet &shaders();
 
 	TexPool &texPool();
 	FontPool &fontPool();

src/sprite.cpp

@@ -378,7 +378,7 @@ void Sprite::draw()
 
 	if (renderEffect)
 	{
-		SpriteShader &shader = shState->spriteShader();
+		SpriteShader &shader = shState->shaders().sprite;
 
 		shader.bind();
 		shader.applyViewportProj();
@@ -400,7 +400,7 @@ void Sprite::draw()
 	}
 	else
 	{
-		SimpleSpriteShader &shader = shState->simpleSpriteShader();
+		SimpleSpriteShader &shader = shState->shaders().simpleSprite;
 		shader.bind();
 
 		shader.setSpriteMat(p->trans.getMatrix());

src/tilemap.cpp

@@ -1114,7 +1114,7 @@ GroundLayer::GroundLayer(TilemapPrivate *p, Viewport *viewport)
 
 void GroundLayer::draw()
 {
-	SimpleShader &shader = shState->simpleShader();
+	SimpleShader &shader = shState->shaders().simple;
 	shader.bind();
 	shader.applyViewportProj();
 
@@ -1142,7 +1142,7 @@ void GroundLayer::draw()
 		glState.blendMode.pushSet(BlendAddition);
 		glState.texture2D.pushSet(false);
 
-		FlashMapShader &shader = shState->flashMapShader();
+		FlashMapShader &shader = shState->shaders().flashMap;
 		shader.bind();
 		shader.applyViewportProj();
 		shader.setAlpha(flashAlpha[p->flash.alphaIdx] / 255.f);
@@ -1199,7 +1199,7 @@ void ScanRow::draw()
 	if (batchedFlag)
 		return;
 
-	SimpleShader &shader = shState->simpleShader();
+	SimpleShader &shader = shState->shaders().simple;
 	shader.bind();
 	shader.applyViewportProj();
 

src/window.cpp

@@ -422,7 +422,7 @@ struct WindowPrivate
 		glState.viewport.pushSet(IntRect(0, 0, baseTex.width, baseTex.height));
 		glState.clearColor.pushSet(Vec4());
 
-		SimpleAlphaShader &shader = shState->simpleAlphaShader();
+		SimpleAlphaShader &shader = shState->shaders().simpleAlpha;
 		shader.bind();
 		shader.applyViewportProj();
 		shader.setTranslation(Vec2i());
@@ -560,7 +560,7 @@ struct WindowPrivate
 		Vec2i trans(position.x + sceneOffset.x,
 		            position.y + sceneOffset.y);
 
-		SimpleAlphaShader &shader = shState->simpleAlphaShader();
+		SimpleAlphaShader &shader = shState->shaders().simpleAlpha;
 		shader.bind();
 		shader.applyViewportProj();
 		shader.setTranslation(trans);
@@ -609,7 +609,7 @@ struct WindowPrivate
 		glState.scissorBox.push();
 		glState.scissorBox.setIntersect(windowRect);
 
-		SimpleAlphaShader &shader = shState->simpleAlphaShader();
+		SimpleAlphaShader &shader = shState->shaders().simpleAlpha;
 		shader.bind();
 		shader.applyViewportProj();
 		shader.setTranslation(Vec2i(effectX, effectY));