add yet another working glbook testcase

3 files changed, 30 insertions, 16 deletions

diff --git a/tests/glbook/CH10_MultiTexture.png b/tests/glbook/CH10_MultiTexture.png
new file mode 100644
index 00000000..8e006eb3
--- /dev/null
+++ b/tests/glbook/CH10_MultiTexture.png
diff --git a/tests/glbook/Chapter_10/MultiTexture/MultiTexture.c b/tests/glbook/Chapter_10/MultiTexture/MultiTexture.c
index 5324ad92..61bda608 100644
--- a/tests/glbook/Chapter_10/MultiTexture/MultiTexture.c
+++ b/tests/glbook/Chapter_10/MultiTexture/MultiTexture.c
@@ -33,6 +33,8 @@ typedef struct
    GLuint baseMapTexId;

    GLuint lightMapTexId;

 

+   GLuint vertexObject, indexObject;

+

 } UserData;

 

 

@@ -117,7 +119,27 @@ int Init ( ESContext *esContext )
    if ( userData->baseMapTexId == 0 || userData->lightMapTexId == 0 )

       return FALSE;

 

-   glClearColor ( 0.0f, 0.0f, 0.0f, 0.0f );

+   GLfloat vVertices[] = { -0.5,  0.5, 0.0,  // Position 0

+                            0.0,  0.0,       // TexCoord 0

+                           -0.5, -0.5, 0.0,  // Position 1

+                            0.0,  1.0,       // TexCoord 1

+                            0.5, -0.5, 0.0,  // Position 2

+                            1.0,  1.0,       // TexCoord 2

+                            0.5,  0.5, 0.0,  // Position 3

+                            1.0,  0.0        // TexCoord 3

+                         };

+   GLushort indices[] = { 0, 1, 2, 0, 2, 3 };

+

+   glGenBuffers(1, &userData->vertexObject);

+   glBindBuffer ( GL_ARRAY_BUFFER, userData->vertexObject );

+   glBufferData ( GL_ARRAY_BUFFER, 5 * 4 * 4, vVertices, GL_STATIC_DRAW );

+

+   glGenBuffers(1, &userData->indexObject);

+   glBindBuffer ( GL_ELEMENT_ARRAY_BUFFER, userData->indexObject );

+   glBufferData ( GL_ELEMENT_ARRAY_BUFFER, 6 * 2, indices, GL_STATIC_DRAW );

+

+   glClearColor ( 0.0, 0.0, 0.0, 1.0 );

+

    return TRUE;

 }

 

@@ -127,17 +149,7 @@ int Init ( ESContext *esContext )
 void Draw ( ESContext *esContext )

 {

    UserData *userData = esContext->userData;

-   GLfloat vVertices[] = { -0.5f,  0.5f, 0.0f,  // Position 0

-                            0.0f,  0.0f,        // TexCoord 0 

-                           -0.5f, -0.5f, 0.0f,  // Position 1

-                            0.0f,  1.0f,        // TexCoord 1

-                            0.5f, -0.5f, 0.0f,  // Position 2

-                            1.0f,  1.0f,        // TexCoord 2

-                            0.5f,  0.5f, 0.0f,  // Position 3

-                            1.0f,  0.0f         // TexCoord 3

-                         };

-   GLushort indices[] = { 0, 1, 2, 0, 2, 3 };

-      

+

    // Set the viewport

    glViewport ( 0, 0, esContext->width, esContext->height );

    

@@ -148,11 +160,12 @@ void Draw ( ESContext *esContext )
    glUseProgram ( userData->programObject );

 

    // Load the vertex position

+   glBindBuffer ( GL_ARRAY_BUFFER, userData->vertexObject );

    glVertexAttribPointer ( userData->positionLoc, 3, GL_FLOAT, 

-                           GL_FALSE, 5 * sizeof(GLfloat), vVertices );

+                           GL_FALSE, 5 * sizeof(GLfloat), 0 );

    // Load the texture coordinate

    glVertexAttribPointer ( userData->texCoordLoc, 2, GL_FLOAT,

-                           GL_FALSE, 5 * sizeof(GLfloat), &vVertices[3] );

+                           GL_FALSE, 5 * sizeof(GLfloat), 3 * sizeof(GLfloat) );

 

    glEnableVertexAttribArray ( userData->positionLoc );

    glEnableVertexAttribArray ( userData->texCoordLoc );

@@ -171,7 +184,8 @@ void Draw ( ESContext *esContext )
    // Set the light map sampler to texture unit 1

    glUniform1i ( userData->lightMapLoc, 1 );

 

-   glDrawElements ( GL_TRIANGLES, 6, GL_UNSIGNED_SHORT, indices );

+   glBindBuffer ( GL_ELEMENT_ARRAY_BUFFER, userData->indexObject );

+   glDrawElements ( GL_TRIANGLES, 6, GL_UNSIGNED_SHORT, 0 );

 

    eglSwapBuffers ( esContext->eglDisplay, esContext->eglSurface );

 }

diff --git a/tests/glbook/Makefile b/tests/glbook/Makefile
index 77e83c2d..cd5f8aee 100644
--- a/tests/glbook/Makefile
+++ b/tests/glbook/Makefile
@@ -28,7 +28,7 @@ all: ./Chapter_2/Hello_Triangle/CH02_HelloTriangle.bc \
      ./Chapter_9/MipMap2D/CH09_MipMap2D.bc \
      ./Chapter_9/Simple_TextureCubemap/CH09_TextureCubemap.bc \
      ./Chapter_9/TextureWrap/CH09_TextureWrap.bc \
-#     ./Chapter_10/MultiTexture/CH10_MultiTexture.bc \
+     ./Chapter_10/MultiTexture/CH10_MultiTexture.bc \
 #     ./Chapter_11/Multisample/CH11_Multisample.bc \
 #     ./Chapter_11/Stencil_Test/CH11_Stencil_Test.bc \
 #     ./Chapter_13/ParticleSystem/CH13_ParticleSystem.bc