void display()
{
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
glm::mat4 Projection = glm::perspective(45.0f, 4.0f / 3.0f, 0.1f, 100.0f);
glm::mat4 ViewTranslate = glm::translate(glm::mat4(1.0f), glm::vec3(0.0f, 0.0f, -Window.TranlationCurrent.y));
glm::mat4 ViewRotateX = glm::rotate(ViewTranslate, Window.RotationCurrent.y, glm::vec3(1.f, 0.f, 0.f));
glm::mat4 View = glm::rotate(ViewRotateX, Window.RotationCurrent.x, glm::vec3(0.f, 1.f, 0.f));
glm::mat4 Model = glm::mat4(1.0f);
glm::mat4 MVP = Projection * View * Model;
glViewport(0, 0, Window.Size.x, Window.Size.y);
glClearBufferfv(GL_COLOR, 0, &glm::vec4(0.0f)[0]);
glUseProgram(ProgramName);
glUniformMatrix4fv(UniformMVP, 1, GL_FALSE, &MVP[0][0]);
glBindVertexArray(VertexArrayName);
glPatchParameteri(GL_PATCH_VERTICES, VertexCount);
glPatchParameterfv(GL_PATCH_DEFAULT_INNER_LEVEL, &glm::vec2(16.f)[0]);
glPatchParameterfv(GL_PATCH_DEFAULT_OUTER_LEVEL, &glm::vec4(16.f)[0]);
glDrawArraysInstanced(GL_PATCHES, 0, VertexCount, 1);
glf::checkError("display");
glf::swapBuffers();
}
void Renderer::RenderPatch(bsp_face *face) {
Shader &shader = *current_shader_;
auto offset = face->vertex;
glUniform1ui(shader.patchWidth_, face->size[0]);
glUniform1ui(shader.patchHeight_, face->size[1]);
if ((face->size[0] == 15 || face->size[1] == 15) ||
(face->size[0] == 9 && face->size[1] == 5)) {
logger::Debug("patch size: %d %d %d", face->size[0], face->size[1],
face->num_vertices);
return;
}
if (face->size[0] * face->size[1] != face->num_vertices) {
logger::Debug("VERY BAD VERY BAD");
return;
}
glVertexAttribPointer(shader.position_idx_, 3, GL_FLOAT, GL_FALSE,
sizeof(bsp_vertex),
reinterpret_cast<void *>(offset * sizeof(bsp_vertex)));
glVertexAttribPointer(shader.tex_coord_idx_, 2, GL_FLOAT, GL_FALSE,
sizeof(bsp_vertex),
reinterpret_cast<void *>(offset * sizeof(bsp_vertex) +
sizeof(glm::vec3)));
glVertexAttribPointer(
shader.lm_coord_idx_, 2, GL_FLOAT, GL_FALSE, sizeof(bsp_vertex),
reinterpret_cast<void *>(offset * sizeof(bsp_vertex) + sizeof(glm::vec3) +
sizeof(glm::vec2)));
glVertexAttribPointer(
shader.color_idx_, 4, GL_BYTE, GL_FALSE, sizeof(bsp_vertex),
reinterpret_cast<void *>(offset * sizeof(bsp_vertex) + sizeof(glm::vec3) +
sizeof(glm::vec2) + sizeof(glm::vec2) +
sizeof(glm::vec3)));
float subdivisions[] = {10.0f, 10.0f, 10.0f, 10.0f};
glPatchParameterfv(GL_PATCH_DEFAULT_OUTER_LEVEL, subdivisions);
glPatchParameterfv(GL_PATCH_DEFAULT_INNER_LEVEL, subdivisions);
glPatchParameteri(GL_PATCH_VERTICES, face->num_vertices);
glDrawArrays(GL_PATCHES, 0, face->num_vertices);
/*
std::vector<bezier *> patches = world.map_->patches_[face];
for (int i = 0; i < patches.size(); ++i) {
const bezier *b = patches[i];
glVertexAttribPointer(current_shader_->position_idx_, 3, GL_FLOAT,
GL_FALSE,
sizeof(bsp_vertex),
reinterpret_cast<void *>(b->m_vertex_offset));
glVertexAttribPointer(
current_shader_->tex_coord_idx_, 2, GL_FLOAT, GL_FALSE,
sizeof(bsp_vertex),
reinterpret_cast<void *>(b->m_vertex_offset + sizeof(glm::vec3)));
glVertexAttribPointer(current_shader_->lm_coord_idx_, 2, GL_FLOAT,
GL_FALSE,
sizeof(bsp_vertex),
reinterpret_cast<void *>(b->m_vertex_offset +
sizeof(glm::vec3) +
sizeof(glm::vec2)));
glVertexAttribPointer(
current_shader_->color_idx_, 4, GL_BYTE, GL_FALSE,
sizeof(bsp_vertex),
reinterpret_cast<void *>(b->m_vertex_offset + sizeof(float) * 10));
// double work for each bezier, doesnt seem to be needed.. or maybe it
does
// because of vertex colors! then 0 shouldnt be there
// prepare_shader(shader, 0, current_face.lm_index);
unsigned int count[10] = {22, 22, 22, 22, 22, 22, 22, 22, 22, 22};
GLvoid *indices[10];
for (int k = 0; k < 10; k++) {
indices[k] =
(GLvoid *)(b->m_index_offset + sizeof(unsigned int) * k * 11 * 2);
}
glMultiDrawElements(GL_TRIANGLE_STRIP, (const GLsizei *)count,
GL_UNSIGNED_INT, (const GLvoid **)indices, 10);
}
*/
}
JNIEXPORT void JNICALL Java_org_lwjgl_opengl_GL40_nglPatchParameterfv(JNIEnv *__env, jclass clazz, jint pname, jlong valuesAddress, jlong __functionAddress) {
const GLfloat *values = (const GLfloat *)(intptr_t)valuesAddress;
glPatchParameterfvPROC glPatchParameterfv = (glPatchParameterfvPROC)(intptr_t)__functionAddress;
UNUSED_PARAMS(__env, clazz)
glPatchParameterfv(pname, values);
}