From 42963b341f3fbc055c494a0dc0c97d395fa69562 Mon Sep 17 00:00:00 2001
From: Piotr Dziwinski <piotrdz@gmail.com>
Date: Wed, 25 Jul 2012 00:27:01 +0200
Subject: Refactoring of texture code

- refactored texture structs & functions
- added note about OpenGL extensions
- removed device.cpp as unnecessary
- minor changes in CEngine
---
 src/graphics/opengl/test/model_test.cpp   | 11 ---------
 src/graphics/opengl/test/texture_test.cpp | 37 ++++++++++++++++---------------
 2 files changed, 19 insertions(+), 29 deletions(-)

(limited to 'src/graphics/opengl/test')

diff --git a/src/graphics/opengl/test/model_test.cpp b/src/graphics/opengl/test/model_test.cpp
index 3aad1b6..3e3d100 100644
--- a/src/graphics/opengl/test/model_test.cpp
+++ b/src/graphics/opengl/test/model_test.cpp
@@ -73,7 +73,6 @@ void LoadTexture(Gfx::CGLDevice *device, const std::string &name)
             texCreateParams.format = Gfx::TEX_IMG_BGRA;
         texCreateParams.minFilter = Gfx::TEX_MIN_FILTER_LINEAR_MIPMAP_LINEAR;
         texCreateParams.magFilter = Gfx::TEX_MAG_FILTER_LINEAR;
-        texCreateParams.wrapT = Gfx::TEX_WRAP_CLAMP;
 
         tex = device->CreateTexture(&img, texCreateParams);
     }
@@ -139,16 +138,6 @@ void Render(Gfx::CGLDevice *device, Gfx::CModelFile *modelFile)
         device->SetTextureEnabled(0, true);
         device->SetTextureEnabled(1, true);
 
-        Gfx::TextureParams tex1Params;
-        tex1Params.alphaOperation = Gfx::TEX_MIX_OPER_MODULATE;
-        tex1Params.colorOperation = Gfx::TEX_MIX_OPER_MODULATE;
-        device->SetTextureParams(0, tex1Params);
-
-        Gfx::TextureParams tex2Params;
-        tex2Params.alphaOperation = Gfx::TEX_MIX_OPER_MODULATE;
-        tex2Params.colorOperation = Gfx::TEX_MIX_OPER_MODULATE;
-        device->SetTextureParams(1, tex2Params);
-
         device->SetMaterial(triangles[i].material);
 
         tri[0] = triangles[i].p1;
diff --git a/src/graphics/opengl/test/texture_test.cpp b/src/graphics/opengl/test/texture_test.cpp
index 66ed770..aa9817e 100644
--- a/src/graphics/opengl/test/texture_test.cpp
+++ b/src/graphics/opengl/test/texture_test.cpp
@@ -10,9 +10,14 @@
 
 void Init(Gfx::CGLDevice *device)
 {
-    device->SetRenderState(Gfx::RENDER_STATE_DEPTH_TEST, false);
     device->SetShadeModel(Gfx::SHADE_SMOOTH);
 
+    device->SetRenderState(Gfx::RENDER_STATE_DEPTH_TEST, false);
+    device->SetRenderState(Gfx::RENDER_STATE_TEXTURING, true);
+
+    device->SetTextureEnabled(0, true);
+    device->SetTextureEnabled(1, true);
+
     CImage img1;
     if (! img1.Load("tex1.png"))
     {
@@ -31,32 +36,18 @@ void Init(Gfx::CGLDevice *device)
     tex1CreateParams.format = Gfx::TEX_IMG_RGBA;
     tex1CreateParams.minFilter = Gfx::TEX_MIN_FILTER_LINEAR_MIPMAP_LINEAR;
     tex1CreateParams.magFilter = Gfx::TEX_MAG_FILTER_LINEAR;
-    tex1CreateParams.wrapT = Gfx::TEX_WRAP_CLAMP;
 
     Gfx::TextureCreateParams tex2CreateParams;
     tex2CreateParams.mipmap = true;
     tex2CreateParams.format = Gfx::TEX_IMG_RGBA;
     tex2CreateParams.minFilter = Gfx::TEX_MIN_FILTER_NEAREST_MIPMAP_NEAREST;
     tex2CreateParams.magFilter = Gfx::TEX_MAG_FILTER_NEAREST;
-    tex2CreateParams.wrapS = Gfx::TEX_WRAP_CLAMP;
 
     Gfx::Texture tex1 = device->CreateTexture(&img1, tex1CreateParams);
     Gfx::Texture tex2 = device->CreateTexture(&img2, tex2CreateParams);
 
     device->SetTexture(0, tex1);
     device->SetTexture(1, tex2);
-
-    Gfx::TextureParams tex1Params;
-    tex1Params.alphaOperation = Gfx::TEX_MIX_OPER_MODULATE;
-    tex1Params.colorOperation = Gfx::TEX_MIX_OPER_MODULATE;
-    device->SetTextureParams(0, tex1Params);
-
-    Gfx::TextureParams tex2Params;
-    tex2Params.alphaOperation = Gfx::TEX_MIX_OPER_MODULATE;
-    tex2Params.colorOperation = Gfx::TEX_MIX_OPER_MODULATE;
-    device->SetTextureParams(1, tex2Params);
-
-    device->SetRenderState(Gfx::RENDER_STATE_TEXTURING, true);
 }
 
 void Render(Gfx::CGLDevice *device)
@@ -84,6 +75,16 @@ void Render(Gfx::CGLDevice *device)
         Gfx::VertexTex2(Math::Vector(-2.0f,  2.0f, 0.0f), Math::Vector(), Math::Point(0.0f, 0.0f), Math::Point(0.0f, 0.0f)),
     };
 
+    Gfx::TextureStageParams tex1StageParams;
+    tex1StageParams.colorOperation = Gfx::TEX_MIX_OPER_DEFAULT;
+    tex1StageParams.alphaOperation = Gfx::TEX_MIX_OPER_DEFAULT;
+    device->SetTextureStageParams(0, tex1StageParams);
+
+    Gfx::TextureStageParams tex2StageParams;
+    tex2StageParams.colorOperation = Gfx::TEX_MIX_OPER_DEFAULT;
+    tex2StageParams.alphaOperation = Gfx::TEX_MIX_OPER_DEFAULT;
+    device->SetTextureStageParams(1, tex2StageParams);
+
     Math::Matrix t;
     Math::LoadTranslationMatrix(t, Math::Vector(-4.0f, 4.0f, 0.0f));
     device->SetTransform(Gfx::TRANSFORM_VIEW, t);
@@ -101,12 +102,12 @@ void Render(Gfx::CGLDevice *device)
 
     device->DrawPrimitive(Gfx::PRIMITIVE_TRIANGLES, quad, 6);
 
-    device->SetTextureEnabled(0, true);
-    device->SetTextureEnabled(1, true);
-
     Math::LoadTranslationMatrix(t, Math::Vector( 0.0f, -4.0f, 0.0f));
     device->SetTransform(Gfx::TRANSFORM_VIEW, t);
 
+    device->SetTextureEnabled(0, true);
+    device->SetTextureEnabled(1, true);
+
     device->DrawPrimitive(Gfx::PRIMITIVE_TRIANGLES, quad, 6);
 
     device->EndScene();
-- 
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