Esempio n. 1
0
void SAssPiece::BindVertexAttribVBOs() const
{
	vboAttributes.Bind(GL_ARRAY_BUFFER);
		glEnableClientState(GL_VERTEX_ARRAY);
		glVertexPointer(3, GL_FLOAT, sizeof(SAssVertex), vboAttributes.GetPtr(offsetof(SAssVertex, pos)));

		glEnableClientState(GL_NORMAL_ARRAY);
		glNormalPointer(GL_FLOAT, sizeof(SAssVertex), vboAttributes.GetPtr(offsetof(SAssVertex, normal)));

		// primary and secondary texture use first UV channel
		for (unsigned int n = 0; n < NUM_MODEL_TEXTURES; n++) {
			glClientActiveTexture(GL_TEXTURE0 + n);
			glEnableClientState(GL_TEXTURE_COORD_ARRAY);
			glTexCoordPointer(2, GL_FLOAT, sizeof(SAssVertex), vboAttributes.GetPtr(offsetof(SAssVertex, texCoords) + (0 * sizeof(float2))));
		}

		// extra UV channels (currently at most one)
		for (unsigned int n = 1; n < GetNumTexCoorChannels(); n++) {
			assert((GL_TEXTURE0 + NUM_MODEL_TEXTURES + (n - 1)) < GL_TEXTURE5);
			glClientActiveTexture(GL_TEXTURE0 + NUM_MODEL_TEXTURES + (n - 1));
			glEnableClientState(GL_TEXTURE_COORD_ARRAY);

			glTexCoordPointer(2, GL_FLOAT, sizeof(SAssVertex), vboAttributes.GetPtr(offsetof(SAssVertex, texCoords) + (n * sizeof(float2))));
		}

		glClientActiveTexture(GL_TEXTURE5);
		glEnableClientState(GL_TEXTURE_COORD_ARRAY);
		glTexCoordPointer(3, GL_FLOAT, sizeof(SAssVertex), vboAttributes.GetPtr(offsetof(SAssVertex, sTangent)));

		glClientActiveTexture(GL_TEXTURE6);
		glEnableClientState(GL_TEXTURE_COORD_ARRAY);
		glTexCoordPointer(3, GL_FLOAT, sizeof(SAssVertex), vboAttributes.GetPtr(offsetof(SAssVertex, tTangent)));
	vboAttributes.Unbind();
}
Esempio n. 2
0
void SAssPiece::DrawForList() const
{
	if (!hasGeometryData)
		return;

	vboAttributes.Bind(GL_ARRAY_BUFFER);
		glEnableClientState(GL_VERTEX_ARRAY);
		glVertexPointer(3, GL_FLOAT, sizeof(SAssVertex), vboAttributes.GetPtr(offsetof(SAssVertex, pos)));

		glEnableClientState(GL_NORMAL_ARRAY);
		glNormalPointer(GL_FLOAT, sizeof(SAssVertex), vboAttributes.GetPtr(offsetof(SAssVertex, normal)));

		// primary and secondary texture use first UV channel
		for (unsigned int n = 0; n < NUM_MODEL_TEXTURES; n++) {
			glClientActiveTexture(GL_TEXTURE0 + n);
			glEnableClientState(GL_TEXTURE_COORD_ARRAY);
			glTexCoordPointer(2, GL_FLOAT, sizeof(SAssVertex), vboAttributes.GetPtr(offsetof(SAssVertex, texCoords) + (0 * sizeof(float2))));
		}

		// extra UV channels (currently at most one)
		for (unsigned int n = 1; n < GetNumTexCoorChannels(); n++) {
			glClientActiveTexture(GL_TEXTURE0 + NUM_MODEL_TEXTURES + (n - 1));
			glEnableClientState(GL_TEXTURE_COORD_ARRAY);

			glTexCoordPointer(2, GL_FLOAT, sizeof(SAssVertex), vboAttributes.GetPtr(offsetof(SAssVertex, texCoords) + (n * sizeof(float2))));
		}

		glClientActiveTexture(GL_TEXTURE5);
		glEnableClientState(GL_TEXTURE_COORD_ARRAY);
		glTexCoordPointer(3, GL_FLOAT, sizeof(SAssVertex), vboAttributes.GetPtr(offsetof(SAssVertex, sTangent)));

		glClientActiveTexture(GL_TEXTURE6);
		glEnableClientState(GL_TEXTURE_COORD_ARRAY);
		glTexCoordPointer(3, GL_FLOAT, sizeof(SAssVertex), vboAttributes.GetPtr(offsetof(SAssVertex, tTangent)));
	vboAttributes.Unbind();

	vboIndices.Bind(GL_ELEMENT_ARRAY_BUFFER);
		/*
		* since aiProcess_SortByPType is being used,
		* we're sure we'll get only 1 type here,
		* so combination check isn't needed, also
		* anything more complex than triangles is
		* being split thanks to aiProcess_Triangulate
		*/
		glDrawRangeElements(GL_TRIANGLES, 0, vertices.size() - 1, vertexDrawIndices.size(), GL_UNSIGNED_INT, vboIndices.GetPtr());
	vboIndices.Unbind();

	glClientActiveTexture(GL_TEXTURE6);
	glDisableClientState(GL_TEXTURE_COORD_ARRAY);

	glClientActiveTexture(GL_TEXTURE5);
	glDisableClientState(GL_TEXTURE_COORD_ARRAY);

	glClientActiveTexture(GL_TEXTURE2);
	glDisableClientState(GL_TEXTURE_COORD_ARRAY);

	glClientActiveTexture(GL_TEXTURE1);
	glDisableClientState(GL_TEXTURE_COORD_ARRAY);

	glClientActiveTexture(GL_TEXTURE0);
	glDisableClientState(GL_TEXTURE_COORD_ARRAY);

	glDisableClientState(GL_VERTEX_ARRAY);
	glDisableClientState(GL_NORMAL_ARRAY);
}