void GLBackend::do_glUniformMatrix4fv(Batch& batch, uint32 paramOffset) {
glUniformMatrix4fv(
batch._params[paramOffset + 3]._int,
batch._params[paramOffset + 2]._uint,
batch._params[paramOffset + 1]._uint,
(const GLfloat*)batch.editData(batch._params[paramOffset + 0]._uint));
(void) CHECK_GL_ERROR();
}
void GLBackend::do_setViewportTransform(Batch& batch, size_t paramOffset) {
memcpy(&_transform._viewport, batch.editData(batch._params[paramOffset]._uint), sizeof(Vec4i));
if (!_inRenderTransferPass && !isStereo()) {
ivec4& vp = _transform._viewport;
glViewport(vp.x, vp.y, vp.z, vp.w);
}
// The Viewport is tagged invalid because the CameraTransformUBO is not up to date and will need update on next drawcall
_transform._invalidViewport = true;
}
void GLBackend::do_setStateScissorRect(Batch& batch, size_t paramOffset) {
Vec4i rect;
memcpy(&rect, batch.editData(batch._params[paramOffset]._uint), sizeof(Vec4i));
if (_stereo._enable) {
rect.z /= 2;
if (_stereo._pass) {
rect.x += rect.z;
}
}
glScissor(rect.x, rect.y, rect.z, rect.w);
(void)CHECK_GL_ERROR();
}
void GLBackend::do_glUniformMatrix4fv(Batch& batch, uint32 paramOffset) {
if (_pipeline._program == 0) {
// We should call updatePipeline() to bind the program but we are not doing that
// because these uniform setters are deprecated and we don;t want to create side effect
return;
}
updatePipeline();
glUniformMatrix4fv(
batch._params[paramOffset + 3]._int,
batch._params[paramOffset + 2]._uint,
batch._params[paramOffset + 1]._uint,
(const GLfloat*)batch.editData(batch._params[paramOffset + 0]._uint));
(void) CHECK_GL_ERROR();
}
void GLBackend::do_glUniform4fv(Batch& batch, size_t paramOffset) {
if (_pipeline._program == 0) {
// We should call updatePipeline() to bind the program but we are not doing that
// because these uniform setters are deprecated and we don;t want to create side effect
return;
}
updatePipeline();
GLint location = batch._params[paramOffset + 2]._int;
GLsizei count = batch._params[paramOffset + 1]._uint;
const GLfloat* value = (const GLfloat*)batch.editData(batch._params[paramOffset + 0]._uint);
glUniform4fv(location, count, value);
(void) CHECK_GL_ERROR();
}
void GLBackend::do_setViewportTransform(Batch& batch, uint32 paramOffset) {
memcpy(&_transform._viewport, batch.editData(batch._params[paramOffset]._uint), sizeof(Vec4i));
ivec4& vp = _transform._viewport;
// Where we assign the GL viewport
if (_stereo._enable) {
vp.z /= 2;
if (_stereo._pass) {
vp.x += vp.z;
}
}
glViewport(vp.x, vp.y, vp.z, vp.w);
// The Viewport is tagged invalid because the CameraTransformUBO is not up to date and will need update on next drawcall
_transform._invalidViewport = true;
}
void GLBackend::do_setProjectionTransform(Batch& batch, size_t paramOffset) {
memcpy(&_transform._projection, batch.editData(batch._params[paramOffset]._uint), sizeof(Mat4));
_transform._invalidProj = true;
}
void GLBackend::do_setViewportTransform(Batch& batch, uint32 paramOffset) {
memcpy(&_transform._viewport, batch.editData(batch._params[paramOffset]._uint), sizeof(Vec4i));
_transform._invalidViewport = true;
}
void GLBackend::do_glDrawBuffers(Batch& batch, uint32 paramOffset) {
glDrawBuffers(
batch._params[paramOffset + 1]._uint,
(const GLenum*)batch.editData(batch._params[paramOffset + 0]._uint));
(void) CHECK_GL_ERROR();
}
