diff options
Diffstat (limited to 'tests/glbook/Chapter_9/Simple_TextureCubemap/Simple_TextureCubemap.c')
| -rw-r--r-- | tests/glbook/Chapter_9/Simple_TextureCubemap/Simple_TextureCubemap.c | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/tests/glbook/Chapter_9/Simple_TextureCubemap/Simple_TextureCubemap.c b/tests/glbook/Chapter_9/Simple_TextureCubemap/Simple_TextureCubemap.c index b981d943..9f4a9017 100644 --- a/tests/glbook/Chapter_9/Simple_TextureCubemap/Simple_TextureCubemap.c +++ b/tests/glbook/Chapter_9/Simple_TextureCubemap/Simple_TextureCubemap.c @@ -34,8 +34,9 @@ typedef struct int numIndices; GLfloat *vertices; GLfloat *normals; - GLuint *indices; + GLushort *indices; + GLuint vertPosObject, vertNormalObject, indicesObject; } UserData; /// @@ -143,7 +144,20 @@ int Init ( ESContext *esContext ) userData->numIndices = esGenSphere ( 20, 0.75f, &userData->vertices, &userData->normals, NULL, &userData->indices ); - glClearColor ( 0.0f, 0.0f, 0.0f, 0.0f ); + // Generate the VBOs + glGenBuffers(1, &userData->vertPosObject); + glBindBuffer(GL_ARRAY_BUFFER, userData->vertPosObject); + glBufferData(GL_ARRAY_BUFFER, 21 * 21 * 4 * 3, userData->vertices, GL_STATIC_DRAW ); + + glGenBuffers(1, &userData->vertNormalObject); + glBindBuffer(GL_ARRAY_BUFFER, userData->vertNormalObject ); + glBufferData(GL_ARRAY_BUFFER, 21 * 21 * 4 * 3, userData->normals, GL_STATIC_DRAW ); + + glGenBuffers(1, &userData->indicesObject); + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, userData->indicesObject ); + glBufferData(GL_ELEMENT_ARRAY_BUFFER, 2 * userData->numIndices, userData->indices, GL_STATIC_DRAW ); + + glClearColor ( 0.0f, 0.0f, 0.0f, 1.0f ); return GL_TRUE; } @@ -167,11 +181,13 @@ void Draw ( ESContext *esContext ) glUseProgram ( userData->programObject ); // Load the vertex position - glVertexAttribPointer ( userData->positionLoc, 3, GL_FLOAT, - GL_FALSE, 0, userData->vertices ); + glBindBuffer ( GL_ARRAY_BUFFER, userData->vertPosObject ); + glVertexAttribPointer ( userData->positionLoc, 3, GL_FLOAT, + GL_FALSE, 0, 0 ); // Load the normal + glBindBuffer ( GL_ARRAY_BUFFER, userData->vertNormalObject ); glVertexAttribPointer ( userData->normalLoc, 3, GL_FLOAT, - GL_FALSE, 0, userData->normals ); + GL_FALSE, 0, 0 ); glEnableVertexAttribArray ( userData->positionLoc ); glEnableVertexAttribArray ( userData->normalLoc ); @@ -183,8 +199,9 @@ void Draw ( ESContext *esContext ) // Set the sampler texture unit to 0 glUniform1i ( userData->samplerLoc, 0 ); - glDrawElements ( GL_TRIANGLES, userData->numIndices, - GL_UNSIGNED_INT, userData->indices ); + glBindBuffer ( GL_ELEMENT_ARRAY_BUFFER, userData->indicesObject ); + glDrawElements ( GL_TRIANGLES, userData->numIndices, + GL_UNSIGNED_SHORT, 0 ); } /// |