QENGINE_API void renderFullscreenTexturedQuad()
{
int isDepthEnabled = isZTestEnabled();
disableZTest();
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_TEXTURE_2D);
// g_pTexturedEffect->Bind();
// float verts[20] = {-1.0f, -1.0f, 1.0f, 0.0f, 0.0f,
// 1.0f, -1.0f, 1.0f, 1.0f, 0.0f,
// 1.0f, 1.0f, 1.0f, 1.0f, 1.0f,
// -1.0f, 1.0f, 1.0f, 0.0f, 1.0f};
// unsigned int indices[6] = {0, 1, 2, 0, 2, 3};
// glVertexAttribPointer(LOC_POSITION, 3, GL_FLOAT, GL_FALSE, 20, verts);
// glVertexAttribPointer(LOC_TEXCOORD0, 2, GL_FLOAT, GL_TRUE, 20, (float*)&verts[3]);
// glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, indices);
// g_pTexturedEffect->EvictTextures();
// g_pTexturedEffect->Unbind();
bindBuffer(g_fullscreenQuad);
glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, BUFFER_OFFSET(0));
bindDefaultBuffer();
glDisable(GL_BLEND);
if(isDepthEnabled)
enableZTest();
}
Material::Material(const Path& path, ResourceManager& resource_manager, IAllocator& allocator)
: Resource(path, resource_manager, allocator)
, m_shader(nullptr)
, m_uniforms(allocator)
, m_allocator(allocator)
, m_texture_count(0)
, m_render_states(0)
, m_specular(1, 1, 1)
, m_shininess(4)
, m_shader_instance(nullptr)
, m_shader_mask(0)
{
auto* manager = resource_manager.get(ResourceManager::MATERIAL);
auto* mat_manager = static_cast<MaterialManager*>(manager);
s_alpha_cutout_define_idx = mat_manager->getRenderer().getShaderDefineIdx("ALPHA_CUTOUT");
s_shadow_receiver_define_idx = mat_manager->getRenderer().getShaderDefineIdx("SHADOW_RECEIVER");
enableZTest(true);
enableBackfaceCulling(true);
enableShadowReceiving(true);
for (int i = 0; i < MAX_TEXTURE_COUNT; ++i)
{
m_textures[i] = nullptr;
}
}
void DebugEmitterComponent::Render(const UpdateContext& updateContext)
{
if (!_model)
return;
auto parent = GetParentEntity();
vec3f center = GetModelCenter();
vec3f desiredPos = parent->GetPosition();
vec3f desiredScale = parent->GetScale();
mat4f desiredPose = parent->GetPose();
enableZTest();
changeZTest(GL_LEQUAL);
mat4f ident, NT, T, S, R, x, y, z;
ident.loadIdentity();
_matrixStack.PushMatrix(ident);
//NT.loadTranslation(-center.x, -center.y, -center.z);
T.loadTranslation(desiredPos.x, desiredPos.y, desiredPos.z);
S.loadScale(desiredScale.x, desiredScale.y, desiredScale.z);
R = desiredPose;
R.m[12] = 0.0f;
R.m[13] = 0.0f;
R.m[14] = 0.0f;
R.m[15] = 1.0f;
_matrixStack.MultiplyMatrix(T);
_matrixStack.MultiplyMatrix(S);
_matrixStack.MultiplyMatrix(R);
//_matrixStack.MultiplyMatrix(NT);
// _matrixStack.MultiplyMatrix(parent->GetTransform());
/*vec3f rot = parent->GetDirection();
mat4f xRot, yRot, zRot;
xRot.loadXRotation(rot.x);
yRot.loadYRotation(rot.y);
zRot.loadZRotation(rot.z);
xRot *= yRot;
xRot *= zRot;
_matrixStack.MultiplyMatrix(xRot);*/
mat4f MV;
MV = getMatrix(MATRIX_MODEL);
_RenderNode(_model->RootNode, updateContext);
_matrixStack.PopMatrix();
setMatrix(MATRIX_MODEL, MV);
}
QENGINE_API void renderFullscreenTexturedQuad(bool invertV, unsigned int texID)
{
if(texID <= 0)
return;
int isDepthEnabled = isZTestEnabled();
// float minV, maxV;
// minV = 0.0f; maxV = 1.0f;
// if (invertV)
// {
// minV = 1.0f; maxV = 0.0f;
// }
disableZTest();
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_TEXTURE_2D);
mat4f ID;
ID.loadIdentity();
pushMatrix(MATRIX_MODEL, ID);
pushMatrix(MATRIX_VIEW, ID);
pushMatrix(MATRIX_PROJECTION, ID);
float a = 1.0f;
float color[4] = { 1.0f, 1.0f, 1.0f, 1.0f };
g_pTexturedEffect->Bind();
g_pTexturedEffect->BindTexture("s0", texID);
g_pTexturedEffect->BindBool("invert", invertV);
g_pTexturedEffect->BindFloat("globalColor", color, 4);
g_pTexturedEffect->BindStateMatrix("MVP", MATRIX_MODEL | MATRIX_VIEW | MATRIX_PROJECTION);
bindBuffer(g_fullscreenQuad);
glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, BUFFER_OFFSET(0));
bindDefaultBuffer();
g_pTexturedEffect->EvictTextures();
g_pTexturedEffect->Unbind();
glDisable(GL_BLEND);
popMatrix(MATRIX_MODEL);
popMatrix(MATRIX_VIEW);
popMatrix(MATRIX_PROJECTION);
if(isDepthEnabled)
enableZTest();
}
QENGINE_API void renderFullscreenQuad(const texture_rect& rect, unsigned int w, unsigned int h)
{
int isDepthEnabled = isZTestEnabled();
disableZTest();
// glMatrixMode(GL_MODELVIEW);
// glPushMatrix();
// glLoadIdentity();
// glMatrixMode(GL_PROJECTION);
// glPushMatrix();
// glLoadIdentity();
float fWidth5 = (float)w - 0.5f;
float fHeight5 = (float)h - 0.5f;
// glBegin(GL_QUADS);
// glTexCoord2f(rect.leftU, rect.bottomV);
// glVertex3f(-1.0f, -1.0f, 1.0f);
// glTexCoord2f(rect.rightU, rect.bottomV);
// glVertex3f(1.0f, -1.0f, 1.0f);
// glTexCoord2f(rect.rightU, rect.topV);
// glVertex3f(1.0f, 1.0f, 1.0f);
// glTexCoord2f(rect.leftU, rect.topV);
// glVertex3f(-1.0F, 1.0F, 1.0f);
// glEnd();
// glPopMatrix();
// glMatrixMode(GL_PROJECTION);
// glPopMatrix();
float verts[20] = {-1.0f, -1.0f, 1.0f, rect.leftU, rect.bottomV,
1.0f, -1.0f, 1.0f, rect.rightU, rect.bottomV,
1.0f, 1.0f, 1.0f, rect.rightU, rect.topV,
-1.0f, 1.0f, 1.0f, rect.leftU, rect.topV};
unsigned int indices[6] = {0, 1, 2, 0, 2, 3};
glEnableVertexAttribArray(LOC_POSITION);
glEnableVertexAttribArray(LOC_TEXCOORD0);
glVertexAttribPointer(LOC_POSITION, 3, GL_FLOAT, GL_FALSE, 20, verts);
glVertexAttribPointer(LOC_TEXCOORD0, 2, GL_FLOAT, GL_TRUE, 20, (float*)&verts[3]);
glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, indices);
glDisableVertexAttribArray(LOC_POSITION);
glDisableVertexAttribArray(LOC_TEXCOORD0);
if(isDepthEnabled)
enableZTest();
}
QENGINE_API void renderFullscreenQuad(float r, float g, float b, float a)
{
float verts[28] = { -1.0f, -1.0f, 1.0f, r, g, b, a,
1.0f, -1.0f, 1.0f, r, g, b, a,
1.0f, 1.0f, 1.0f, r, g, b, a,
-1.0f, 1.0f, 1.0f, r, g, b, a };
uint32_t indices[6] = { 0, 1, 2, 0, 2, 3 };
int isDepthEnabled = isZTestEnabled();
disableZTest();
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
mat4f id;
id.loadIdentity();
pushMatrix(MATRIX_PROJECTION, id);
pushMatrix(MATRIX_VIEW, id);
g_pColoredEffect->Bind();
g_pColoredEffect->BindStateMatrix("MVP", MATRIX_MODEL | MATRIX_VIEW | MATRIX_PROJECTION);
glEnableVertexAttribArray(LOC_POSITION);
glEnableVertexAttribArray(LOC_COLOR);
glVertexAttribPointer(LOC_POSITION, 3, GL_FLOAT, GL_FALSE, 28, verts);
glVertexAttribPointer(LOC_COLOR, 4, GL_FLOAT, GL_TRUE, 28, (float*)&verts[3]);
glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_INT, indices);
glDisableVertexAttribArray(LOC_POSITION);
glDisableVertexAttribArray(LOC_COLOR);
g_pColoredEffect->Unbind();
if(isDepthEnabled)
enableZTest();
glDisable(GL_BLEND);
popMatrix(MATRIX_PROJECTION);
popMatrix(MATRIX_VIEW);
}
bool Material::load(FS::IFile& file)
{
PROFILE_FUNCTION();
m_render_states = BGFX_STATE_DEPTH_TEST_LEQUAL | BGFX_STATE_CULL_CW;
m_uniforms.clear();
JsonSerializer serializer(file, JsonSerializer::READ, getPath().c_str(), m_allocator);
serializer.deserializeObjectBegin();
char path[MAX_PATH_LENGTH];
char label[256];
char material_dir[MAX_PATH_LENGTH];
PathUtils::getDir(material_dir, MAX_PATH_LENGTH, getPath().c_str());
bool b_value;
while (!serializer.isObjectEnd())
{
serializer.deserializeLabel(label, 255);
if (compareString(label, "uniforms") == 0)
{
deserializeUniforms(serializer);
}
else if (compareString(label, "texture") == 0)
{
if (!deserializeTexture(serializer, material_dir))
{
return false;
}
}
else if (compareString(label, "alpha_cutout") == 0)
{
bool b;
serializer.deserialize(b, false);
enableAlphaCutout(b);
}
else if (compareString(label, "alpha_blending") == 0)
{
if (serializer.isNextBoolean())
{
bool is_alpha_blending;
serializer.deserialize(is_alpha_blending, false);
if (is_alpha_blending)
{
m_render_states |= BGFX_STATE_BLEND_ADD;
}
else
{
m_render_states &= ~BGFX_STATE_BLEND_MASK;
}
}
else
{
serializer.deserialize(label, 255, "alpha");
if (compareString(label, "alpha") == 0)
{
m_render_states |= BGFX_STATE_BLEND_ALPHA;
}
else if (compareString(label, "add") == 0)
{
m_render_states |= BGFX_STATE_BLEND_ADD;
}
else if (compareString(label, "disabled") == 0)
{
m_render_states &= ~BGFX_STATE_BLEND_MASK;
}
}
}
else if (compareString(label, "specular") == 0)
{
serializer.deserializeArrayBegin();
serializer.deserializeArrayItem(m_specular.x, 1.0f);
serializer.deserializeArrayItem(m_specular.y, 1.0f);
serializer.deserializeArrayItem(m_specular.z, 1.0f);
serializer.deserializeArrayEnd();
}
else if (compareString(label, "shininess") == 0)
{
serializer.deserialize(m_shininess, 4.0f);
}
else if (compareString(label, "shadow_receiver") == 0)
{
bool b;
serializer.deserialize(b, true);
enableShadowReceiving(b);
}
else if (compareString(label, "shader") == 0)
{
serializer.deserialize(path, MAX_PATH_LENGTH, "");
setShader(static_cast<Shader*>(
m_resource_manager.get(ResourceManager::SHADER)->load(Path(path))));
}
else if (compareString(label, "z_test") == 0)
{
serializer.deserialize(b_value, true);
enableZTest(b_value);
}
else if (compareString(label, "backface_culling") == 0)
{
serializer.deserialize(b_value, true);
enableBackfaceCulling(b_value);
}
else
{
g_log_warning.log("renderer") << "Unknown parameter " << label << " in material "
<< getPath().c_str();
}
}
serializer.deserializeObjectEnd();
if (!m_shader)
{
g_log_error.log("renderer") << "Material " << getPath().c_str() << " without a shader";
return false;
}
m_size = file.size();
return true;
}